Patents
Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274)
08/2005
08/31/2005CN1663209A Clock extraction circuit for use in a linearly expandable broadcast router
08/31/2005CN1663149A Method and apparatus for forward link gain control in a power controlled repeater
08/31/2005CN1663140A Ultra-wideband communication through a wire medium
08/31/2005CN1217502C Digital signal coder, decoder and coding method decoding method
08/24/2005CN1658282A Method for speech coding, method for speech decoding and their apparatuses
08/23/2005US6934270 Method of decoding uplink status flags for RT-EGPRS users
08/23/2005US6933882 Time domain radio transmission system
08/18/2005US20050182330 Devices, systems and methods for endocardial pressure measurement
08/18/2005DE19827815B4 Empfänger Receiver
08/17/2005EP1563620A2 Lower complexity layered modulation signal processor
08/17/2005CN1215664C Analog filter
08/10/2005CN1653806A High-resolution image projection
08/10/2005CN1652486A Method and appts. for achieving 180 deg. phase invariant transmission in PCM modem system
08/09/2005CA2327772C Error screening based on code and control information consistency in a communication system
08/04/2005US20050171770 Method for speech coding, method for speech decoding and their apparatuses
08/04/2005US20050169320 PCM-based data transmission system and method
08/04/2005DE10250396B4 Vorrichtung zum Erzeugen von elektromagnetischen Wellen, Verfahren zum Betreiben einer derartigen Vorrichtung und Verfahren zum Modulieren der mit einer derartigen Vorrichtung zu erzeugenden elektromagnetischen Wellen entsprechend zu sendender Daten An apparatus for generating electromagnetic waves, a method of operating such a device and method for modulating with such a device generating electromagnetic waves corresponding to data to be transmitted
08/03/2005EP1208648B1 Method for analog decimation of image signals
08/02/2005US6924753 Robust system for transmitting and receiving map data
07/2005
07/28/2005US20050165923 Transmitter device and relay device for performing data transmission control
07/28/2005US20050163276 Sampling rate conversion method and apparatus
07/28/2005US20050163232 Variable coder apparatus for resonant power conversion and method
07/27/2005EP1114537B1 Reduced complexity and increased flexibility modified fast convolution algorithm
07/27/2005CN1212606C Speech communication system and method for handling lost frames
07/27/2005CN1212605C Encoding and decoding method for digital data
07/26/2005US6922161 Delta-Sigma modulator for reducing quantization noise and oversampling ratio (OSR)
07/21/2005WO2005067242A1 Ultra-wideband communication through twisted-pair wire media
07/20/2005EP0261127B2 Tdm communication system for efficient spectrum utilization
07/20/2005CN1642075A System and method for protecting received and transmitted data by parity check bit
07/14/2005WO2005062698A2 System and method for managing protocol network failures in a cluster system
07/13/2005EP1553560A1 Transmission device, transmission method, reception device, reception method, transmission/reception device, communication device, communication method, recording medium, and program
07/13/2005CN1638356A Transmitter device and relay device for performing data transmission control
07/13/2005CN1638342A System and method for managing protocol network failures in a cluster system
07/13/2005CN1638327A Encryption device and program and method used along with the same
07/13/2005CN1210873C Transmitting system for carrying different encoding priniciples
07/12/2005US6917317 Signal processing device, signal processing method, delta-sigma modulation type fractional division PLL frequency synthesizer, radio communication device, delta-sigma modulation type D/A converter
07/07/2005DE10354113A1 Übertragungsvorrichtung mit variabler Impedanzanpassung Transmission apparatus with variable impedance matching
07/06/2005EP1468495A4 Method and apparatus for optimizing dynamic range of a wideband analog-to-digital converter
07/06/2005CN1636413A Methods and apparatus for identifying asset location in communication networks
07/05/2005US6914940 Device for improving voice signal in quality
07/05/2005CA2331462C Method and apparatus for automated time domain monitoring in optical networks
07/05/2005CA2306298C Apparatus and method for audio data/audio-related information transfer
07/05/2005CA2110182C Electronic signal encoding and decoding
06/2005
06/30/2005US20050140667 Connection device capable of converting a pixel clock to a character clock
06/29/2005EP1548972A2 Transmitter device and relay device for performing data transmission control
06/29/2005EP1547377A1 A video recorder unit and method of operation therefor
06/29/2005EP1547322A2 System for efficient recovery of node-b buffered data following mac layer reset
06/29/2005EP1546765A2 Battery conservation for downhole telemetry
06/29/2005EP1203370B1 Method for improving the coding efficiency of an audio signal
06/29/2005EP0979506B1 Apparatus and method for rate determination in a communication system
06/29/2005EP0857386B1 Digital-to-analog communication device and method
06/29/2005CN1633147A A method for implementing calling and called party pay intelligent service
06/29/2005CN1208971C Predictive coding method and decoding method for dynamic image
06/29/2005CN1208917C System and method for adjusting PCM data frames for robbed bit signaling in telephone network
06/28/2005US6912245 Apparatus for calculating decision parameters in an IMT-2000 system
06/28/2005CA2137926C Transmission system comprising at least a coder
06/28/2005CA2137925C Transmission system comprising at least a coder
06/23/2005WO2005057817A1 Multidimensional signal modulation and/or demodulation for data communications
06/23/2005US20050138462 System and method for managing protocol network failures in a cluster system
06/23/2005DE69729527T2 Verfahren und Vorrichtung zur Kodierung von Sprachsignalen Method and apparatus for coding speech signals
06/23/2005CA2579749A1 Multidimensional signal modulation and/or demodulation for data communications
06/22/2005EP1545032A2 Method and device for synchronisation of clocks of digital encoders and decoders
06/22/2005CN1631035A 数据处理器 Data Processor
06/22/2005CN1630231A Weighted secret key sharing and reconstructing method
06/16/2005US20050129133 Method and apparatus for rll code encoding and decoding
06/16/2005US20050128216 Connection device capable of mixing an rgb graphics signal and a yuv video signal and related method
06/16/2005US20050128202 Graphics card for smoothing the playing of video
06/15/2005EP1540905A1 Method for the transmission of data telegrammes in a switched cyclical communication system
06/15/2005EP0692881B1 Quantization apparatus, quantization method, high efficiency encoder, high efficiency encoding method, decoder, high efficiency encoder and recording media
06/15/2005CN1628418A Method and apparatus for optimizing dynamic range of a wideband analog-to-digital converter
06/15/2005CN1627646A Method and apparatus for RLL code encoding and decoding
06/15/2005CN1206863C Frame converter and conversion method, digital pick-up camera and monitoring system thereof
06/09/2005US20050123061 Multidimensional signal modulation and/or demodulation for data communications
06/08/2005CN1625876A Method and system for digital data transmission
06/08/2005CN1625221A Image forming device, pattern forming method and its program
06/08/2005CN1205814C Signal transmitter and signal receiver
06/08/2005CN1205791C Systems and methods for receiving modulated signal multi-pass demodulation
06/08/2005CN1205540C Circuit, time-division addressing method containing decoder and one microcontroller
06/07/2005US6904555 Decoding apparatus and decoding method, and data receiving apparatus and data receiving method
06/07/2005US6904077 Method and arrangement for implementing intra-frame interleaving
06/02/2005US20050117656 Method and unit for substracting quantization noise from a pcm signal
06/01/2005EP1536565A1 Signal processing device, signal processing method, delta-sigma modulation type fractional division pll frequency synthesizer, radio communication device, delta-sigma modulation type d/a converter
06/01/2005CN1622623A Method and apparatus for searching next signal frame synchronous character in digital coding signal
06/01/2005CN1622470A An adaptive difference pulse code modulation decoding device and method
05/2005
05/31/2005US6901368 Voice transceiver which eliminates underflow and overflow from the speaker output buffer
05/26/2005US20050114427 Transmission apparatus with variable impedance matching
05/26/2005US20050111657 Weighted secret sharing and reconstructing method
05/25/2005EP1532787A1 Clock extraction circuit for use in a linearly expandable broadcast router
05/25/2005EP1425885B1 Method and system for transmitting data from a first data network into a second data network
05/25/2005CN1620768A System and method for avoiding stall using timer for high-speed downlink packet access system
05/25/2005CN1620759A Repeat sampling method for A/D and D/A converter
05/25/2005CN1619644A Transmission apparatus with variable impedance matching
05/25/2005CN1203624C Digital pulse interval-modulated power line carrier communication method and its transceiving apparatus
05/19/2005WO2005046119A1 A method of setting up the association between the session transaction identification and the network application entity
05/19/2005WO2005015746A3 Variable coder apparatus for resonant power conversion and method
05/19/2005US20050108007 Perceptual weighting device and method for efficient coding of wideband signals
05/19/2005US20050108005 Method and device for adaptive bandwidth pitch search in coding wideband signals
05/18/2005CN1618172A Apparatus and method to reduce quantization error
05/18/2005CN1617494A Method for establishing interaction between conversation business mark and network application entity
05/18/2005CN1617477A Receiver in multiple carrier wave transmission system and receiving method
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