Patents 6157619 - 6157871

 

 

Patent 6157619: Code division multiple access (CDMA) communication system
(MULTIPLEX COMMUNICATIONS : DIAGNOSTIC TESTING (OTHER THAN SYNCHRONIZATION) : Determination of communication parameters : Having dedicated test line or channel)

Patent 6157620: Enhanced radio telephone for use in internet telephony
(MULTIPLEX COMMUNICATIONS : DUPLEX : Time division : Echo suppression or cancellation)

Patent 6157621: Satellite communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Rotary distributor)

Patent 6157622: Communication apparatus and a method for controlling a communication apparatus
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Message addressed to multiple destinations : Having a plurality of contiguous regions served by respective fixed stations)

Patent 6157623: Apparatus and method for selectively outputting data using a MAC layer interface or a PCI bus interface
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Using time division multiplexing)

Patent 6157624: Method and apparatus for linking terminals using private secondary service paths (PSSP) in a satellite communication system
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Start-Stop)

Patent 6157625: Audio-video signal transmission apparatus
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Repeater : Airborne or space satellite repeater : Multiple access (e.g., FDMA) : Time division (TDMA) : Including cancellation of certain signals)

Patent 6157626: Cell selection scheme for CDMA mobile communication system using perch channel transmission attenuation
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : In a trunking system)

Patent 6157627: Channel allocation for mixed multislot services
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via time channels)

Patent 6157628: Retransmission control method of CDMA mobile communication
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Based upon a particular signal quality measurement)

Patent 6157629: CDMA mobile communication system of automatically changing frequency and method thereof
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Channel assignment : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Based upon a particular signal quality measurement)

Patent 6157630: Communications system with radio device and server
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Having a plurality of contiguous regions served by respective fixed stations : Contiguous regions interconnected by a local area network : Combining or distributing information via time channels)

Patent 6157631: Method and system for generating and using synchronized and unsynchronized spread spectrum signals in a cellular communications
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA) : Channel assignment)

Patent 6157632: Low complexity protocol method device and system robust in the presence of bursted
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via time channels : Multiple access (e.g., TDMA) : Channel reservation scheme : Multiple access (e.g., TDMA))

Patent 6157633: Registration of mobile packet data terminals after disaster
(MULTIPLEX COMMUNICATIONS : COMMUNICATION OVER FREE SPACE : Combining or distributing information via time channels : Using messages having an address field as header : Channel reservation scheme)

Patent 6157634: Dynamic interchangeability of voice and data channels and facilities in switched mode nodal networks
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Combining or distributing information via time channels)

Patent 6157635: Integrated remote data access and audio/visual conference gateway
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Combined circuit switching and packet switching : Synchronization)

Patent 6157636: Network session management with gateway-directory services and authorization control
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Combined circuit switching and packet switching : Switching network having common elements to handle both circuit switched traffic and packet switched traffic : Channel reservation scheme)

Patent 6157637: Transmission system of telephony circuits over a packet switching network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Combined circuit switching and packet switching : Routing circuit switched traffic through a packet switching network : Channel reservation scheme)

Patent 6157638: High density packet switch with high speed interfaces and method for using same
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching input signals having different aggregate bit rates : Channel reservation scheme)

Patent 6157639: Time switch stages and switches
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Channel reservation scheme)

Patent 6157640: Providing feature logic control in parallel with voice over a single subscriber access
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Through a circuit switch : Switching control : Having a supervisory signaling feature : Control storage addressing)

Patent 6157641: Multiprotocol packet recognition and switching
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Particular switching network arrangement)

Patent 6157642: Coding system and method for low-earth orbit satellite data communication
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Particular switching network arrangement)

Patent 6157643: Switching fabric
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Particular switching network arrangement)

Patent 6157644: Method and apparatus for accelerating OSI layer 3 routers
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Processing of address header for routing, per se : Multistage switch)

Patent 6157645: ATM communication system and ATM communication method
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Assigning period of time for information to be transmitted (e.g., scheduling) : Based on bandwidth allocation (e.g., Weighted Round Robin) : Employing particular searching function (e.g., hashing, alternate, re-routing))

Patent 6157646: Circuit and method for service clock recovery
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Message transmitted using fixed length packets (e.g., ATM cells) : Adapting detail (e.g., converting to/from ATM, or detail of ATM Adaption Layers (AALs)) : Adapting constant bit rate (CBR) data (e.g., voice, or narrow band ISDN over ATM, or using AAL1) : Detail of clock recovery or synchronization :)

Patent 6157647: Direct addressing between VLAN subnets
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Having central (e.g., common) storage)

Patent 6157648: Network session management
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Having central (e.g., common) storage)

Patent 6157649: Method and system for coordination and control of data streams that terminate at different termination units using virtual tunneling
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Having central (e.g., common) storage)

Patent 6157650: Method and apparatus for connecting network
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Having central (e.g., common) storage)

Patent 6157651: Rogue data packet removal method and apparatus
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Bridge or gateway between networks : Bridge between bus systems : At least one bus is a ring network :)

Patent 6157652: Hub port with constant phase
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Having a plurality of nodes performing distributed switching : Interconnected star couplers : Bridge between bus systems)

Patent 6157653: Method and apparatus for adaptive smoothing delay for packet voice applications
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Queuing arrangement : Having a signaling feature)

Patent 6157654: Adaptive service weight assignments for ATM scheduling
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Queuing arrangement : Having a signaling feature)

Patent 6157655: Method for estimating telephony system-queue waiting time in an agent level routing environment
(MULTIPLEX COMMUNICATIONS : PATHFINDING OR ROUTING : Switching a message which includes an address header : Queuing arrangement : Having a signaling feature)

Patent 6157656: Method and arrangement for dynamic signalling
(MULTIPLEX COMMUNICATIONS : CHANNEL ASSIGNMENT TECHNIQUES : Using time slots : Passing a signal identifying the idle or busy state of a channel (e.g., token passing))

Patent 6157657: System and method for data bus interface
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Assembly or disassembly of messages having address headers : Transmission of a single message having multiple packets)

Patent 6157658: Pointer processing apparatus, POH terminating process apparatus, method of POH terminating process and pointer/POH terminating process
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Synchronizing : Pulse stuffing or deletion : Combined communication of diverse information types)

Patent 6157659: Method of and apparatus for multiplexing and demultiplexing digital signal streams
(MULTIPLEX COMMUNICATIONS : COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS : Combining or distributing information via time channels : Multiplexing plural input channels to a common output channel : Plural input channels of different rates to a single common rate output channel : Including delay device)

Patent 6157660: Apparatus for generating linearly-orthogonally polarized light beams
(COHERENT LIGHT GENERATORS : PARTICULAR BEAM CONTROL DEVICE : Modulation : Polarization : Rotating prism)

Patent 6157661: System for producing a pulsed, varied and modulated laser output
(COHERENT LIGHT GENERATORS : PARTICULAR COMPONENT CIRCUITRY : For driving or controlling laser : Frequency)

Patent 6157662: F.sub.2 (157nm) laser employing neon as the buffer gas
(COHERENT LIGHT GENERATORS : PARTICULAR ACTIVE MEDIA : Gas : Including a specified gas additive : Monolithic integrated)

Patent 6157663: Laser with optimized coupling of pump light to a gain medium in a side-pumped geometry
(COHERENT LIGHT GENERATORS : PARTICULAR PUMPING MEANS : Pumping with optical or radiant energy : Semiconductor : Electron beam)

Patent 6157664: System to load pre-heated scrap by means of baskets for electric arc furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Plural furnace units : With internal atmosphere control (e.g., pressure, vacuum, etc.))

Patent 6157665: Method to load scrap for electric arc furnace and relative system
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Charging or discharging : With internal atmosphere control (e.g., pressure, vacuum, etc.))

Patent 6157666: Controlled current feed device for electric arc furnace
(INDUSTRIAL ELECTRIC HEATING FURNACES : ARC FURNACE DEVICE : Power supply system : Cable or cable suspension arrangement : Crosshead)

Patent 6157667: Method and calcining furnace for electric calcining of carbonaceous material
(INDUSTRIAL ELECTRIC HEATING FURNACES : RESISTANCE FURNACE DEVICE : Charging or discharging : Terminal)

Patent 6157668: Method and apparatus for reducing the average transmit power of a base station
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM :)

Patent 6157669: Method and apparatus for preempting burst frequency assignments in a frequency-hopping communication system
(PULSE OR DIGITAL COMMUNICATIONS : SPREAD SPECTRUM : Frequency hopping :)

Patent 6157670: Background energy estimation
(PULSE OR DIGITAL COMMUNICATIONS : TESTING : Signal noise : Angle modulation)

Patent 6157671: Apparatus and method for digitally monitoring a duty cycle of a pulse width modulated signal
(PULSE OR DIGITAL COMMUNICATIONS : PULSE WIDTH MODULATION : Automatic)

Patent 6157672: Pulse modulation operation circuit
(PULSE OR DIGITAL COMMUNICATIONS : PULSE WIDTH MODULATION : Automatic)

Patent 6157673: Fast extraction of program specific information from multiple transport streams
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Automatic)

Patent 6157674: Audio and video data transmitting apparatus, system, and method thereof
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Automatic)

Patent 6157675: Image transmission device and image transmission method
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Adaptive)

Patent 6157676: Digital video signal inter-block interpolative predictive encoding/decoding apparatus and method providing high efficiency of
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Intra/inter selection : Subband coding)

Patent 6157677: Method and apparatus for coordination of motion determination over multiple frames
(PULSE OR DIGITAL COMMUNICATIONS : BANDWIDTH REDUCTION OR EXPANSION : Television or motion video signal : Predictive : Motion vector : Subband coding)

Patent 6157678: Probabilistic trellis/coded modulation with PCM-derived constellations
(PULSE OR DIGITAL COMMUNICATIONS : PULSE CODE MODULATION : Correcting or reducing quantizing errors : Associated signal processing)

Patent 6157679: Method of adding encryption/encoding element to the modulation/demodulation process
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Angle modulation : Phase shift keying : More than two phases : Quaternary :)

Patent 6157680: Audio distortion canceler method and apparatus
(PULSE OR DIGITAL COMMUNICATIONS : SYSTEMS USING ALTERNATING OR PULSATING CURRENT : Antinoise or distortion : Phase shift keying)

Patent 6157681: Transmitter system and method of operation therefor
(PULSE OR DIGITAL COMMUNICATIONS : TRANSMITTERS : Quadrature amplitude modulation : Power amplifier)

Patent 6157682: Wideband receiver with bandwidth extension
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Keying circuits)

Patent 6157683: Method and system for automatic invariancy compensation in digital communication receivers
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Maximum likelihood decoder or viterbi decoder : Separate mark and space channels)

Patent 6157684: One bit matched filter with low complexity and high speed
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Particular pulse demodulator or detector : Correlative or matched filter : Separate mark and space channels)

Patent 6157685: Interference canceller equipment and interference cancelling method for use in a multibeam-antenna communication system
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Correlative or matched filter)

Patent 6157686: Diversity apparatus with improved ability of reproducing carrier wave in synchronous detection
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)

Patent 6157687: Rake receiving system with fingers selectively participating rake synthesis
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Diversity (frequency or time) : Separate mark and space channels)

Patent 6157688: Signal transmission system for transmitting signals between LSI chips, receiver circuit for use in the signal transmission system, and
(PULSE OR DIGITAL COMMUNICATIONS : RECEIVERS : Interference or noise reduction : Intersymbol interference : Separate mark and space channels)

Patent 6157689: Automatic speed detection for asynchronous serial communications
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Frequency or phase control using synchronizing signal : Start - stop : With asynchronous data : More than two phases)

Patent 6157690: Digital PLL circuit
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)

Patent 6157691: Fully integrated phase-locked loop with resistor-less loop filer
(PULSE OR DIGITAL COMMUNICATIONS : SYNCHRONIZERS : Phase displacement, slip or jitter correction : Phase locking : Phase locked loop : More than two phases)

Patent 6157692: Method and an apparatus for determining the number of particles or cells in a liquid sample
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : APPLICATIONS : Counting animate or inanimate entities : Field of view contains plural entities or entities scanned plural times (e.g., microscopic particles) :)

Patent 6157693: Low voltage dual-modulus prescaler circuit using merged pseudo-differential logic
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : SYSTEMS : Pulse multiplication or division : Biquinary code)

Patent 6157694: Fractional frequency divider
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : SYSTEMS : Pulse multiplication or division : Multiplication or division by a fraction : Power failure)

Patent 6157695: Counter for performing multiple counts and method thereof
(ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS : SYSTEMS : With programmable counter (i.e., with variable base) : Multiplication or division by a fraction)

Patent 6157696: X-ray CT scanner with two-dimensional X-ray detector having unequal element pitch in slice-thickness direction
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Computerized tomography : Beam detection system : Fan beam translation)

Patent 6157697: Apparatus using X-rays and measurement of electrical potentials for examining living tissue
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Mammography : Pattern mask)

Patent 6157698: Method for analyzing characteristics of a moving object, such as a log
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Flaw analysis : With standardization)

Patent 6157699: Method and apparatus for non-destructive detection of hidden flaws
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SPECIFIC APPLICATION : Absorption : Flaw analysis : With standardization)

Patent 6157700: Image reading apparatus
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : ELECTRONIC CIRCUIT : With display or signaling : Televison : With image subtraction or addition : With image subtraction)

Patent 6157701: X-ray generating apparatus and X-ray microscope
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : With switching means)

Patent 6157702: X-ray tube targets with reduced heat transfer
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : SOURCE : Target : Rotary : With solid heat conductor or shield)

Patent 6157703: Beam hardening filter for x-ray source
(X-RAY OR GAMMA RAY SYSTEMS OR DEVICES : BEAM CONTROL : Filter : Single filter with plural elements : With pivotal leaf motion)

Patent 6157704: Subscriber line test system for access network
(TELEPHONIC COMMUNICATIONS : DIAGNOSTIC TESTING, MALFUNCTION INDICATION, OR ELECTRICAL CONDITION MEASUREMENT : Testing of subscriber loop or terminal : By generating call signal : Noise)

Patent 6157705: Voice control of a server
(TELEPHONIC COMMUNICATIONS : AUDIO MESSAGE STORAGE, RETRIEVAL, OR SYNTHESIS : Voice activation or recognition : Reproduced signal distributed over telephone line)

Patent 6157706: Method and apparatus for enabling a facsimile machine to be an e-mail client
(TELEPHONIC COMMUNICATIONS : TELEPHONE LINE OR SYSTEM COMBINED WITH DIVERSE ELECTRICAL SYSTEM OR SIGNALLING (E.G., COMPOSITE) : To produce visual-graphic copy (e.g., facsimile) : Electronic mailbox : Having acoustic link)

Patent 6157707: Automated and selective intervention in transaction-based networks
(TELEPHONIC COMMUNICATIONS : CALL OR TERMINAL ACCESS ALARM OR CONTROL : Fraud or improper use mitigating or indication (e.g., "blue box", "black box") : Lockout)

Patent 6157708: Interactive subscriber telephone terminal with automatic management software download feature
(TELEPHONIC COMMUNICATIONS : SPECIAL SERVICES : Service trigger (activation or deactivation) : At substation)

Patent 6157709: Method and apparatus for branding delivered calls
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : With interexchange network routing : Secretarial or answering service)

Patent 6157710: Method and system for distributing messages from a signal transfer point to a plurality of service control points
(TELEPHONIC COMMUNICATIONS : PLURAL EXCHANGE NETWORK OR INTERCONNECTION : Interexchange signalling : Signalling path distinct from trunk (e.g., CCIS) : Having signalling to operator)

Patent 6157711: Multiple party telephone control system
(TELEPHONIC COMMUNICATIONS : CENTRALIZED SWITCHING SYSTEM : Call distribution to operator : For calling station (e.g., status or progress tones))

Patent 6157712: Speech immunity enhancement in linear prediction based DTMF detector
(TELEPHONIC COMMUNICATIONS : SUPERVISORY OR CONTROL LINE SIGNALING : Signal receiver (e.g., tone decoder) : Relayless)

Patent 6157713: Telephone hold circuit
(TELEPHONIC COMMUNICATIONS : SUBSTATION OR TERMINAL CIRCUITRY : Hold circuit : Suppression (e.g., antisidetone))

Patent 6157714: Modular layered network interface unit particularly suited to a two-layer arrangement
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Network interface device (NLD) : Circuitry to provide ringing current supply)

Patent 6157715: Modular layered network interface unit
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Protective circuit : Electronic noninductive)

Patent 6157716: Power feed circuit providing both on-hook and off-hook power for telephone subscriber loop
(TELEPHONIC COMMUNICATIONS : SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE : Power supply (e.g., battery feed) : Electronic noninductive)

Patent 6157717: Snap hinge mechanism for flip style portable phone
(TELEPHONIC COMMUNICATIONS : TERMINAL : Housing or housing component : Handset structure : Moveable or removeable element (e.g., cover) : Rotatable mechanism (e.g., hinge) : Recording audio for use as the alerting signal)

Patent 6157718: Miniature wireless communication device
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Hands-free or loudspeaking arrangement : Having specific antenna arrangement)

Patent 6157719: Conditional access system
(CRYPTOGRAPHY : VIDEO CRYPTOGRAPHY : Video electric signal modification (e.g., scrambling) : Masking signal selectively addressed)

Patent 6157720: Method and apparatus for encrypting data
(CRYPTOGRAPHY : KEY MANAGEMENT : Having particular key generator : User-to-user key distributed over data link (i.e., no center))

Patent 6157721: Systems and methods using cryptography to protect secure computing environments
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : By signal having discrete step amplitude variation)

Patent 6157722: Encryption key management system and method
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Symmetric key cryptography : Symmetric key synchronization : Having command signal for receiver)

Patent 6157723: Method and apparatus for secure communications with encryption key scheduling
(CRYPTOGRAPHY : COMMUNICATION SYSTEM USING CRYPTOGRAPHY : Wireless communication : Rekeying system : Nonlinear or chaotic system)

Patent 6157724: Apparatus having loudspeakers concurrently producing music sound and reflection sound
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : SOUND EFFECTS : Reverberators : Stereo earphone)

Patent 6157725: Sound system for a motor vehicle and method for defining a functional scope of a sound system
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : VEHICLE : Public address system)

Patent 6157726: Circuit and method of preventing audio pop in an electronic audio device
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : NOISE OR DISTORTION SUPPRESSION : Soft switching, muting, or noise gating : In multiple frequency bands)

Patent 6157727: Communication system including a hearing aid and a language translation system
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Reverberators)

Patent 6157728: Universal self-attaching inductive coupling unit for connecting hearing instrument to peripheral electronic devices
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : HEARING AIDS, ELECTRICAL : Specified casing or housing : Inductive pickup : Device for manipulation)

Patent 6157729: Anti-theft boat speaker brackets
(ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES : ELECTRO-ACOUSTIC AUDIO TRANSDUCER : Mounting or support feature of housed loudspeaker : Plural diaphragms)

Patent 6157730: Visual inspection system for leather hide
(IMAGE ANALYSIS : APPLICATIONS : Animal, plant, or food inspection : License plate)

Patent 6157731: Signature verification method using hidden markov models
(IMAGE ANALYSIS : APPLICATIONS : Personnel identification (e.g., biometrics) : Using a signature :)

Patent 6157732: Image processing system and method using subsampling with constraints such as time and uncertainty constraints
(IMAGE ANALYSIS : APPLICATIONS : Manufacturing or product inspection : Inspection of semiconductor device or printed circuit board : At plural magnifications or resolutions :)

Patent 6157733: Integration of monocular cues to improve depth perception
(IMAGE ANALYSIS : APPLICATIONS : 3-D or stereo imaging analysis : Tool, workpiece, or mechanical component inspection)

Patent 6157734: Color-converted image forming apparatus
(IMAGE ANALYSIS : COLOR IMAGE PROCESSING : Trainable classifiers or pattern recognizers (e.g., adaline, perceptron))

Patent 6157735: System for distributing controlling color reproduction at multiple sites
(IMAGE ANALYSIS : COLOR IMAGE PROCESSING : Color correction : Alphanumerics)

Patent 6157736: Method and apparatus for automatic image segmentation using template matching filters
(IMAGE ANALYSIS : IMAGE SEGMENTATION : For setting a threshold)

Patent 6157737: Method of and apparatus for image processing
(IMAGE ANALYSIS : PATTERN RECOGNITION : Feature extraction : Local or regional features : Counting individual pixels or pixel patterns)

Patent 6157738: System for extracting attached text
(IMAGE ANALYSIS : PATTERN RECOGNITION : Feature extraction : Local or regional features : Pattern boundary and edge measurements : Extracted from alphanumeric characters)

Patent 6157739: Displaying format converter for digitally encoded video signal data
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Including details of decompression : Checking spelling for recognition)

Patent 6157740: Compression/decompression engine for enhanced memory storage in MPEG decoder
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Including details of decompression : Checking spelling for recognition)

Patent 6157741: Image processing apparatus and image processing method
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Including details of decompression : Checking spelling for recognition)

Patent 6157742: Method for expanding data
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Including details of decompression : Checking spelling for recognition)

Patent 6157743: Method for retrieving compressed texture data from a memory system
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Including details of decompression : Checking spelling for recognition)

Patent 6157744: Method and apparatus for detecting a point of change in a moving image
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Interframe coding (e.g., difference or motion detection) : Checking spelling for recognition)

Patent 6157745: Method and system for coding and decoding a sequence of segmented images
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Interframe coding (e.g., difference or motion detection) : Checking spelling for recognition)

Patent 6157746: Apparatus and method for encoding wavelet trees generated by a wavelet-based coding method
(IMAGE ANALYSIS : IMAGE COMPRESSION OR CODING : Pyramid, hierarchy, or tree structure : Checking spelling for recognition)

Patent 6157747: 3-dimensional image rotation method and apparatus for producing image mosaics
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Combining image portions (e.g., portions of oversized documents) : Using a mask)

Patent 6157748: Method for processing endoscopic images obtained with multicore fibers or multifibers using a barycenter or maximum intensity pixel thereof
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Measuring image properties (e.g., length, width, or area) : Determining center of gravity or moment : Skeletonizing)

Patent 6157749: Image processing apparatus and method, and storing medium
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : To change the scale or size of an image : Raising or lowering the image resolution (e.g., subpixel accuracy) : Interpolation : Using an Exclusive-OR gate)

Patent 6157750: Methods of transforming a basic shape element of a character
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Changing the image coordinates : To change the scale or size of an image : Where the image is an alphanumeric character : Interpolation)

Patent 6157751: Method and apparatus for interleaving a parallel image processing memory
(IMAGE ANALYSIS : IMAGE TRANSFORMATION OR PREPROCESSING : Multilayered image transformations : Parallel processing : Where the image is an alphanumeric character)

Patent 6157752: Fiber optic link
(OPTICAL WAVEGUIDES : TEMPORAL OPTICAL MODULATION WITHIN AN OPTICAL WAVEGUIDE : Electro-optic : Phase modulation type :)

Patent 6157753: Programmable light path device
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Switch (i.e., switching from one terminal to another, not modulation) : Diffraction grating (e.g., Bragg))

Patent 6157754: Optical transmission line
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Plural (e.g., data bus) : Single pole single throw)

Patent 6157755: Laser system
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Evanescent wave coupling)

Patent 6157756: Laser beam expander and beam profile converter
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Evanescent wave coupling)

Patent 6157757: Polymer fiber optical transmission system
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Lens : Spherical :)

Patent 6157758: Grating optical fiber, and optical fiber base material suitable for grating
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Input/output coupler : Grating : Spherical)

Patent 6157759: Optical fiber passive alignment apparatus and method therefor
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Fiber to thin film devices : Directional coupler)

Patent 6157760: Two-way optical communication device and two-way optical communication apparatus
(OPTICAL WAVEGUIDES : WITH OPTICAL COUPLER : Particular coupling structure : Fiber to thin film devices : Directional coupler)

Patent 6157761: Reinforced composite rod
(OPTICAL WAVEGUIDES : OPTICAL TRANSMISSION CABLE : Tightly confined (i.e., fiber tightly held inside the outer sheath) : With armoring : Sealed from environment)

Patent 6157762: Nonlinear pulse reshaping for optical fiber transmission systems
(OPTICAL WAVEGUIDES : OPTICAL FIBER WAVEGUIDE WITH CLADDING : Transition between geometric shapes)

Patent 6157763: Double-clad optical fiber with improved inner cladding geometry
(OPTICAL WAVEGUIDES : OPTICAL FIBER WAVEGUIDE WITH CLADDING : Utilizing multiple core or cladding : With lens or mirror)

Patent 6157764: Optic fiber wavelength multiplexer-demultiplexer
(OPTICAL WAVEGUIDES : OPTICAL FIBER WAVEGUIDE WITH CLADDING : Utilizing multiple core or cladding : Concentric : With manipulator)

Patent 6157765: Planar waveguide optical amplifier
(OPTICAL WAVEGUIDES : PLANAR OPTICAL WAVEGUIDE : Utilizing multiple core or cladding)

Patent 6157766: High-density and high-capacity distribution frame for optical fibers
(OPTICAL WAVEGUIDES : ACCESSORIES : Thin film optical waveguide)

Patent 6157767: Color image signal frame processing and recording apparatus utilizing identification signals
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF COLOR TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING :)

Patent 6157768: Recording/reproducing apparatus and information medium transfer method
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Using disc)

Patent 6157769: Information record medium, apparatus for recording the same and apparatus for reproducing the same
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Having auxiliary dynamic memory means)

Patent 6157770: Moving picture data reproduction controlling system and method for reproducing moving picture data having block elements and minimum
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Having auxiliary dynamic memory means)

Patent 6157771: Method and apparatus for seeking within audiovisual files
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Fast, slow, or stop reproducing : Track searching : Numerical code)

Patent 6157772: Method and apparatus for reserved-recording a plurality of broadcast programs
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Including programmable apparatus : Disc)

Patent 6157773: Information recording apparatus
(TELEVISION SIGNAL PROCESSING FOR DYNAMIC RECORDING OR REPRODUCING : PROCESSING OF TELEVISION SIGNAL FOR DYNAMIC RECORDING OR REPRODUCING : Compressing in recording or decompressing in reproducing : Television signal)

Patent 6157774: Vapor generating method and apparatus using same
(ELECTRIC RESISTANCE HEATING DEVICES : : Vaporizer : Method : With handle)

Patent 6157775: Multi-functional electric heating vapor cleaning device
(ELECTRIC RESISTANCE HEATING DEVICES : : Vaporizer : Liquid evaporant (e.g., water, etc.) : Container with self-contained evaporant supply : Hand-held : With internal heating element)

Patent 6157776: Heated storage tank for grease recycling
(ELECTRIC RESISTANCE HEATING DEVICES : : Tank or container type liquid heater : Multi-direction radiant heat output)

Patent 6157777: Heater assembly for a fluid conduit with an integral heater
(ELECTRIC RESISTANCE HEATING DEVICES : : Continuous flow type fluid heater : Externally heated line connected section : Pipe or tube forms flow path : With storage container for fluid to be heated)

Patent 6157778: Multi-temperature control system and fluid temperature control device applicable to the same system
(ELECTRIC RESISTANCE HEATING DEVICES : : Continuous flow type fluid heater : Externally heated line connected section : Heating element producing radiation : Coiled)

Patent 6157779: Image shake correcting optical apparatus
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 6157780: Camera capable of correcting camera-shake
(PHOTOGRAPHY : CAMERA SHAKE SENSING : Having stabilization system : And means to move film)

Patent 6157781: Lens barrel, accessory and camera system
(PHOTOGRAPHY : HAVING LENS CONVERTER OR EXTENSION TUBE : Having indicator)

Patent 6157782: Optical apparatus with focus adjusting function and focus adjustment control circuit
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Reliability of focus/distance signal : With mechanical rangefinder)

Patent 6157783: Automatic focus detecting device
(PHOTOGRAPHY : WITH EXPOSURE OBJECTIVE FOCUSING MEANS, FOCUSING AID, OR RANGEFINDING MEANS : Having auxiliary illumination : With mechanical rangefinder)

Patent 6157784: Film cassette having loosely-retained, reversibly separable memory module, and photographic apparatus
(PHOTOGRAPHY : EXPOSURE DATA FROM FILM CONTAINER : Electrical component on or in film container : Having DC to DC converter)

Patent 6157785: Roll-film camera
(PHOTOGRAPHY : WITH DATA RECORDING : Optical : Having transfer strip)

Patent 6157786: Magnetic head element, magnetic head, pressure plate using magnetic head element or magnetic head, and camera using pressure plate
(PHOTOGRAPHY : WITH DATA RECORDING : Magnetically on film or film cassette : Segmented alphanumeric indicia)

Patent 6157787: Film feeding mechanism
(PHOTOGRAPHY : WITH FILM DRIVE : Film movement limiting means : Responsive to film-winding lever)

Patent 6157788: Camera body for a camera having a battery stowage chamber design enabling the outer housing shape of the camera to be easily changed
(PHOTOGRAPHY : CAMERA DETAIL : Body structure or housing : Battery compartment : Having viewing port)

Patent 6157789: Electrophotographic apparatus
(ELECTROPHOTOGRAPHY : COMBINED WITH DIVERSE SUBJECT MATTER :)

Patent 6157790: Image formation parameter correction apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : By inspection of copied image : Electrostatic)

Patent 6157791: Sensing media parameters
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Document handling : Copy medium supply : Misstrip of copy)

Patent 6157792: Electrophotographic apparatus having plural image forming modes, and a process cartridge applied to such electrophotographic apparatus
(ELECTROPHOTOGRAPHY : DIAGNOSTICS : Consumable : Copy medium supply)

Patent 6157793: Image forming devices and sensors configured to monitor media, and methods of forming an image upon media
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Responsive to copy media characteristic : Single detector for plural toners)

Patent 6157794: System to reduce mixing of toner and magnetic carrier
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of developing : In response to light from original)

Patent 6157795: Image forming apparatus and method configured to reduce a transfer charge at a nip
(ELECTROPHOTOGRAPHY : CONTROL OF ELECTROPHOTOGRAPHY PROCESS : Control of transfer : Concentration control)

Patent 6157796: Developer container, process cartridge, developer sealing member and developer container sealing method
(ELECTROPHOTOGRAPHY : INTERNAL MACHINE ENVIRONMENT : Particle or contaminant control : Seal : Developer seal : Toner cartridge : Optical detector)

Patent 6157797: Image forming apparatus with integrated rotatable image carrier and writing device and method of assembling the same
(ELECTROPHOTOGRAPHY : HAVING PARTICULAR STRUCTURE : Particle or contaminant control)

Patent 6157798: Electrostatic recording apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : To produce outline image)

Patent 6157799: Color image forming apparatus, image forming unit therefor, and transfer belt unit therefor
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Photoconductive member : Drive apparatus : Alignment or tensioning)

Patent 6157800: Charging device using a magnetic brush contactable to a member to be charged and image forming apparatus using same
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Brush : Toner cartridge)

Patent 6157801: Magnetic particles for charging, charging member, charging device, process cartridge, and electrophotographic apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Charging : Contact : Brush : Toner cartridge)

Patent 6157802: Developer filtering apparatus of printer
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Liquid development : Bias voltage)

Patent 6157803: Developing unit and developing roll contained therein
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Development : Dry development : Application member : Magnetic brush : Sleeve : Having stationary magnet)

Patent 6157804: Acoustic transfer assist driver system
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Transfer : Vibration : Having copy medium guide)

Patent 6157805: Fixing apparatus
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Parting agent applicator)

Patent 6157806: Fuser system with greased belt
(ELECTROPHOTOGRAPHY : IMAGE FORMATION : Fixing (e.g., fusing) : By heat and pressure : Continuous web : Cleaning member)

Patent 6157807: Cleaning device with electrically biased conveying members for collecting, separating and reusing developer
(ELECTROPHOTOGRAPHY : CLEANING OF IMAGING SURFACE : Having handling of removed material : Having forced air (e.g., vacuum))

Patent 6157808: Computerized employee certification and training system
(EDUCATION AND DEMONSTRATION : QUESTION OR PROBLEM ELICITING RESPONSE : Response of plural examinees communicated to monitor or recorder by electrical signals : Correct answer hidden until examinee moves element)

Patent 6157809: Broadcasting system, broadcast receiving unit, and recording medium used in the broadcasting system
(INTERACTIVE VIDEO DISTRIBUTION SYSTEMS : USER-REQUESTED VIDEO PROGRAM SYSTEM : Video-on-demand : Server or headend : With particular transmission scheme (e.g., transmitting I-frames only))

Patent 6157810: Distribution of radio-frequency signals through low bandwidth infrastructures
(TELECOMMUNICATIONS : CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) : Portable or mobile repeater : Fading compensation)

Patent 6157811: Cellular/satellite communications system with improved frequency re-use
(TELECOMMUNICATIONS : CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) : Portable or mobile repeater : Space satellite : Auto-dialing)

Patent 6157812: System and method for enhanced satellite payload power utilization
(TELECOMMUNICATIONS : CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) : Portable or mobile repeater : Space satellite : Power control : Based on service quality (e.g., bandwidth, etc.))

Patent 6157813: Portable one-way radio pager and a method of transmitting messages thereto
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Paging to control diverse device : Amplitude or polarity controlled)

Patent 6157814: Wireless subscriber unit and method for presenting advertisements as a message indicator
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Message presentation : Display : Including graphics : Using additional record or carrier code)

Patent 6157815: Method and apparatus for providing broadcast messages in a communications network
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Message input)

Patent 6157816: Method of increasing battery life in mobile communications devices which use paging channel displacement
(COMMUNICATIONS: ELECTRICAL : SELECTIVE : Having indication or alarm (e.g., location indication) : Code responsive (i.e., paging) : Power control or battery saving : Message input)

Patent 6157817: Method for in-orbit multiple receive antenna pattern testing
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SEPARATE STATIONS : Having measuring, testing, or monitoring of system or part : Anti-multipath)

Patent 6157818: Communication system having automatic addressing
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Transceiver controlling a separate transceiver or receiver : Transmitter oscillator used as local oscillator)

Patent 6157819: Coupling element for realizing electromagnetic coupling and apparatus for coupling a radio telephone to an external antenna
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Housing or support : Having specific antenna arrangement : Waveguide)

Patent 6157820: Pilot strength measurement and multipath delay searcher for CDMA receiver
(TELECOMMUNICATIONS : RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER : Measuring or testing of receiver : Signal strength : Short duration (noise blankers))

Patent 6157821: Voltage step up for a low voltage frequency synthesizer architecture
(TELECOMMUNICATIONS : RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER : Local control of receiver operation : Local oscillator frequency control : Automatic : Utilizing particular local oscillator control : Reference oscillator or source : Phase lock loop or frequency synthesizer :)

Patent 6157822: Tuned low power/low noise mixer
(TELECOMMUNICATIONS : RECEIVER OR ANALOG MODULATED SIGNAL FREQUENCY CONVERTER : Frequency modifying or conversion : Particular frequency conversion structure or circuitry : In a single envelope or with common active element (e.g., autodyne))

Patent 6157823: Security cellular telecommunications system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Usage measurement : Billing :)

Patent 6157824: Virtual credit card access device for mobile communications equipment
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Usage measurement : Rental : At remote station)

Patent 6157825: Cellular telephone anti-fraud system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Security or fraud prevention : Rental)

Patent 6157826: Authentication key generation method and apparatus
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Security or fraud prevention : Privacy, lock-out, or authentication : At remote station)

Patent 6157827: Voice mail system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Message storage or retrieval : Voice mail : At remote station)

Patent 6157828: Method and apparatus for providing an alert with information signal between a mobile switching center and a base station
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Special service : Voice mail)

Patent 6157829: Method of providing temporary access of a calling unit to an anonymous unit
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Special service : Voice mail)

Patent 6157830: Speech quality measurement in mobile telecommunication networks based on radio link parameters
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Diagnostic testing, malfunction indication, or electrical condition measurement : System equipment :)

Patent 6157831: Method and apparatus for implementing configurable call forwarding bins in a mobile telephone system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Roaming : Home location registration (HLR) or visitor location registration (VLR) detail :)

Patent 6157832: Service-dependent routing of a mobile-terminating call in a mobile communication system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Roaming : Home location registration (HLR) or visitor location registration (VLR) detail :)

Patent 6157833: Method for reducing status reporting in a wireless communication systems
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Handoff : System selection)

Patent 6157834: Terrestrial and satellite cellular network interoperability
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Handoff : System selection)

Patent 6157835: System and method for detecting and handling system and capability changes in handoffs of cellular calls
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Handoff : System selection)

Patent 6157836: Portable communications and data terminal operating to optimize receipt of both incoming CDPD and AMPS messages
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Handoff : System selection)

Patent 6157837: Mobile communication system, network and mobile station
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Handoff : Mobile assisted or initiated : Based on priority)

Patent 6157838: Parallel optimization of wireless networks
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Handoff : Handoff initiated by another source (e.g., target, user initiated, mobile switching center (MSC), or mobile telephone switching office (MTSO), etc.) : Based on priority)

Patent 6157839: Methods of initiating a reconfiguring of a cell in a mobile radio network
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Channel allocation : Hierarchical cell structure)

Patent 6157840: Method and apparatus for real-time channel resource allocation in a communications system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Channel allocation : Dynamic allocation : Based on service quality (e.g., bandwidth, etc.) :)

Patent 6157841: Cellular phone network that provides location-based information
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Location monitoring : At system equipment (i.e., base station) : Based on service quality (e.g., bandwidth, etc.))

Patent 6157842: System and method for positioning a mobile station in a CDMA cellular system
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Location monitoring : Based on request signal : Based on service quality (e.g., bandwidth, etc.))

Patent 6157843: Method for pre-establishing communications in a wireless communication network without the use of a multicast server
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SEPARATE STATIONS : Plural transmitters or receivers (i.e., more than two stations) : Central station (e.g., master, etc.) : To or from mobile station : Having talk group :)

Patent 6157844: Method and apparatus for selecting a communication mode in a mobile communication device having voice recognition capability
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Operable on more than one system : Tunable or variable)

Patent 6157845: Operating mobile stations of wireless communication systems in multiple modes by external control
(TELECOMMUNICATIONS : RADIOTELEPHONE SYSTEM : Zoned or cellular telephone system : Including other radio communication system (e.g., cordless telephone, paging, trunking, etc.) : Subscriber equipment)

Patent 6157846: Method of and apparatus for providing an interface between an analog facsimile device and a wireless network
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Interface attached device (e.g., interface with modem, facsimile, computer, etc.) : Personal digitial assistant)

Patent 6157847: Base station system including parallel interference cancellation processor
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Base station detail : Smart cable)

Patent 6157848: Speech recognition system for electronic switches in a non-wireline communications network
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Having voice recognition or synthesization : Having specific antenna arrangement)

Patent 6157849: Method for controlling back light by using clock function in portable radio communication terminal
(TELECOMMUNICATIONS : TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER) : Radiotelephone equipment detail : Having display : Having specific antenna arrangement)

Patent 6157850: Signal processing apparatus
(SURGERY : DIAGNOSTIC TESTING : Measuring or detecting nonradioactive constituent of body liquid by means placed against or in body throughout test : Infrared, visible light, or ultraviolet radiation directed on or through body or constituent released therefrom : Determining blood constituent : Oxygen saturation, e.g., oximeter :)

Patent 6157851: Electrodermal positioning device and process of making same
(SURGERY : DIAGNOSTIC TESTING : Structure of body-contacting electrode or electrode inserted in body : Means for attaching electrode to body : Radiolucent)

Patent 6157852: Catheter apparatus for treating arterial occlusions
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Measuring force required to produce standard or measured eye flattening (applanation))

Patent 6157853: Method and apparatus using shaped field of repositionable magnet to guide implant
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : With tomographic imaging obtained from electromagnetic wave : Using fiducial marker : Coil)

Patent 6157854: Photon irradiation human pain treatment monitored by thermal imaging
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : With tomographic imaging obtained from electromagnetic wave : Combined with therapeutic or diagnostic device : Coil)

Patent 6157855: Medical apparatus
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : With tomographic imaging obtained from electromagnetic wave : Combined with therapeutic or diagnostic device : Coil)

Patent 6157856: Tissue diagnostics using evanescent spectroscopy
(SURGERY : DIAGNOSTIC TESTING : Detecting nuclear, electromagnetic, or ultrasonic radiation : Visible light radiation : Light conducting fiber inserted into a body : Associated with puncturing instrument)

Patent 6157857: Apparatus for determining sleep staging
(SURGERY : DIAGNOSTIC TESTING : Detecting brain electric signal : Breath collection)

Patent 6157858: Device for the delivery of a substance to a subject and improved electrode assembly
(SURGERY : MEANS FOR INTRODUCING OR REMOVING MATERIAL FROM BODY FOR THERAPEUTIC PURPOSES (E.G., MEDICATING, IRRIGATING, ASPIRATING, ETC.) : Infrared, visible light, ultraviolet, X-ray or electrical energy applied to body (e.g., iontophoresis, etc.) : Tubular inserting means releasably interlocked with ejector)

Patent 6157859: Upgradable implantable medical device with post-shock pacing and redraw functions
(SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION : LIGHT, THERMAL, AND ELECTRICAL APPLICATION : Electrical therapeutic systems : Combined cardioverting/defibrillating and pacing :)

Patent 6157860: Implantable intravenous cardiac stimulation system with pulse generator housing serving as optional additional electrode
(SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION : LIGHT, THERMAL, AND ELECTRICAL APPLICATION : Electrical therapeutic systems : Heart rate regulating (e.g., pacing) : Computing energy required or contact impedance)

Patent 6157861: Self-adjusting cochlear implant system and method for fitting same
(SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION : LIGHT, THERMAL, AND ELECTRICAL APPLICATION : Electrical therapeutic systems : Promoting auditory function : Producing aural effects by stimulation : By partially or wholly implanted device : Respiratory movement)

Patent 6157862: Shaped multiple electrode lead for implantable device
(SURGERY: LIGHT, THERMAL, AND ELECTRICAL APPLICATION : LIGHT, THERMAL, AND ELECTRICAL APPLICATION : Electrical energy applicator : Placed in body : Heart : Catheter or endocardial (inside heart) type : Stimulating plural chambers (e.g., atrium and ventricle) :)

Patent 6157863: Apparatus and method for leveling optical fibers before polishing
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Digital positioning (other than machine tool) : Having particular compensation or stabilization feature)

Patent 6157864: System, method and article of manufacture for displaying an animated, realtime updated control sequence chart
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : GENERIC CONTROL SYSTEM, APPARATUS OR PROCESS : Having protection or reliability feature : Fine/coarse)

Patent 6157865: User-created curios made from heat-shrinkable material
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Probability determination or handicapping)

Patent 6157866: Automated material handling system for a manufacturing facility divided into separate fabrication areas
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Integrated circuit production or semiconductor fabrication : Rapid prototyping (e.g., layer-by-layer, material deposition))

Patent 6157867: Method and system for on-line monitoring plasma chamber condition by comparing intensity of certain wavelength
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Integrated circuit production or semiconductor fabrication : Rapid prototyping (e.g., layer-by-layer, material deposition))

Patent 6157868: Method of correcting cutting pattern, cutting pattern correction system, and storage medium for cutting pattern correction
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Textile : Pattern cutting : Having particular pattern producing operation (e.g., dyeing))

Patent 6157869: Machining program checking method for a numerical control device
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Product assembly or manufacturing : Particular manufactured product or operation : Machining : Performance monitoring : Protective or diagnostic feature : Tool/workpiece interference prevention : Roll eccentricity compensation)

Patent 6157870: Apparatus supplying components to a placement machine with splice sensor
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Dispensing or vending : Having a conveyor)

Patent 6157871: Fuel dispensing system preventing customer drive-off
(DATA PROCESSING: GENERIC CONTROL SYSTEMS OR SPECIFIC APPLICATIONS : SPECIFIC APPLICATION, APPARATUS OR PROCESS : Article handling : Dispensing or vending : Having a conveyor)

 

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