Patents
Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274)
08/2008
08/26/2008US7418007 Method and apparatus for determining a transmission bit rate in a statistical multiplexer
08/21/2008US20080198938 Method and apparatus for switching data in communication system
08/21/2008DE10102166B4 Vorrichtung und Verfahren zur Abtastratenumsetzung Apparatus and method for sampling rate conversion
08/20/2008EP1260049B1 A modulation scheme for fdd/tdd transceivers
08/20/2008CN101248580A Anti-resonance counteraction in resonator
08/14/2008WO2008095369A1 Communication adapter layer system, method and device for obtaining network element information
08/13/2008EP1956734A1 Optical high-rate pulse position modulation scheme and optical communications system based thereon
08/13/2008EP0938198B1 Variable rate transmission and reception methods, and variable rate transmission and reception devices
08/12/2008US7412004 Method and apparatus for controlling buffer overflow in a communication system
08/07/2008US20080187153 Restoring Corrupted Audio Signals
08/06/2008EP1198910B1 Method for sending information in a telecommunication system
08/06/2008CN101238655A Transmission methods and apparatus combining pulse modulation and hierarchical modulation
08/06/2008CN101237299A Voice service processing module, system and method
08/06/2008CN101237280A Device and method for out-of-band signaling over optical cable
08/06/2008CN100409604C Passive station for communication system
08/06/2008CN100409603C Transmission information system
07/2008
07/31/2008US20080182511 Method and apparatus for forward link gain control in a power controlled repeater
07/30/2008EP1038379B1 Method and apparatus of selecting a constellation point, for each group of data bits to be transmitted by an analog pcm modem
07/24/2008US20080176517 Error filter to differentiate between reverse link and forward link video data errors
07/23/2008EP1673884A4 Dual phase pulse modulation system
07/23/2008CN101227210A High speed wireless data transmission apparatus and data transmission method using the apparatus
07/17/2008US20080170631 System and method for notched spectrum modulation of radio frequency carrier waves
07/16/2008EP1157475B1 Distinguishing received a-law and mu-law signals in a pcm modem
07/16/2008CN101222457A Method and apparatus for serial communication using clock-embedded signals
07/10/2008US20080167865 Communication Device, Signal Encoding/Decoding Method
07/09/2008CN101217320A A percutaneous biphasic radio communication device based on PPM type of modulation
07/02/2008EP1714394A4 Ultra-wideband communication through a power grid
07/01/2008US7394871 Digital implementation of multi-channel demodulators
06/2008
06/26/2008US20080152052 Interference suppression for partial usage of subchannels uplink
06/25/2008EP1532787A4 Clock extraction circuit for use in a linearly expandable broadcast router
06/24/2008US7391814 Gain control method and apparatus
06/24/2008US7391813 Digital wireless communications device
06/19/2008US20080144728 Parallelized Dynamic Huffman Decoder
06/18/2008CN101204029A Spread-spectrum clock of message time sequence in communication system and method thereof
06/18/2008CN101204020A An inductive communication system with increased noise immunity using a low-complexity transmitter
06/18/2008CN101202724A Numerical frequency key modulation method
06/18/2008CN101202593A Method and system for processing multi-rate audio from a plurality of audio processing sources
06/17/2008US7389318 Data processor capable of preventing data overflows and underflows
06/12/2008US20080137758 Low complexity and unified transforms for video coding
06/12/2008US20080137757 Low complexity and unified transforms for video coding
06/10/2008US7386052 Automation device using FSK modulation
06/05/2008WO2008064597A1 Method and device for testing service type
06/05/2008US20080130686 Network radio receiver
06/05/2008US20080127574 Shopping mall with vehicle-accessible entertainment area, and methods of operating same
06/03/2008US7383177 Method for speech coding, method for speech decoding and their apparatuses
06/03/2008US7382737 Information distribution system
05/2008
05/28/2008CN201066850Y Impulse density modulator for TD-SCDMA and 4G terminal
05/27/2008US7379715 Transmitter apparatus and method using polar modulation with signal timing adjustment
05/27/2008US7379502 Method of converting digital data
05/27/2008US7379492 Adaptive modulation coding system and method in a mobile communication network
05/20/2008US7376555 Encoding and decoding of overlapping audio signal values by differential encoding/decoding
05/20/2008US7376357 System and method of using variable pulses for symbology
05/20/2008US7376189 Remote control signal reception circuit, remote control signal reception method, remote control signal reception program, and computer-readable storage medium storing the program
05/20/2008US7376151 Recording and producing an MPEG information signal on/from a record carrier
05/15/2008US20080112491 Error Detection And Correction For Base-Band Wireless Systems
05/14/2008CN101179340A Method and device for low-swing difference signal bus transfer digital intermediate frequency
05/14/2008CN101179339A Two-wire system active encoding digital type ultrasonic sensor probe
05/14/2008CN101179323A Pulse shaping filtering module, timing transmitting regulation and receive testing method and apparatus
05/13/2008USRE40312 Digital data transmitting method
05/13/2008US7373298 Apparatus and method for coding excitation signal
05/13/2008US7372929 Closed loop sub-carrier synchronization system
05/08/2008DE102006051705A1 Object detection and information e.g. audio information, transmission method, involves initiating receiving of signal after time duration after receiving another signal in receiver
05/07/2008CN101176322A Modulation scheme for communication surroundings
05/07/2008CN101175119A Abnormal voice data processing method and apparatus
05/07/2008CN101175059A Method and device for quantifying channel quality indication
05/06/2008US7369832 Receiving diversity apparatus and method of mobile station for high data rate type mobile communication system
05/06/2008US7369615 Soft demodulation method and apparatus
04/2008
04/30/2008EP1915651A2 Method of community service and disaster relief
04/30/2008CN101171818A Transmission methods and apparatus combining pulse modulation and hierarchical modulation
04/29/2008US7365650 Underwater RF propagation path
04/24/2008WO2007100994A3 Method and apparatus for producing quantum entanglement and non-local effects of substances
04/24/2008US20080095288 Method for the Synchronization of a Radio Receiver, and Adapted Receiver for the Implementation of Said Method
04/24/2008US20080095253 Communication apparatus
04/23/2008CN100384258C A packet-to-packet coded conversion method
04/22/2008US7363220 Method for speech coding, method for speech decoding and their apparatuses
04/22/2008US7362813 Communication system
04/22/2008CA2334668C A method and apparatus for digital channelisation and de-channelisation
04/17/2008US20080089360 Method and apparatus for transmitting data frames, and a method fand apparatus for data rate matching
04/17/2008US20080088750 Display Device with Speaker Grill
04/16/2008EP1911158A1 Cancellation of anti-resonance in resonators
04/16/2008CN101162951A Single bit sampling based pulse radio iteration receiving method
04/10/2008WO2008040257A1 Method, device and system for end to end tracking
04/10/2008US20080084953 Method and apparatus for suppressing adjacent channel interference and multipath propagation signals and radio receiver using said apparatus
04/09/2008CN100380833C Generator and generating method for superwide band pulse sequence, data communication apparatus and method
04/08/2008US7356085 Embedded multiple description scalar quantizers for progressive image transmission
04/08/2008US7355993 Method and apparatus for forward link gain control in a power controlled repeater
04/08/2008US7355532 voltage level coding system and method
04/03/2008US20080080624 Encoding Bits into Simultaneous Pulse Pairs
04/01/2008US7352822 Telephone for transmitting an uplink signal to a base station and for receiving first and second downlink signals from the base station, and a base station for receiving an uplink signal from a telephone and transmitting first and second downlink signals to the telephone
03/2008
03/27/2008WO2008034384A1 Method, system and device for analyzing uplink channel and the abnormity of the uplink channel
03/27/2008US20080075176 Rotationally invariant non-coherent burst coding
03/26/2008CN101150547A Method and device for eliminating differential transfer delay difference
03/25/2008US7349487 Nyquist filter and method
03/20/2008US20080071527 Method for speech coding, method for speech decoding and their apparatuses
03/20/2008US20080071526 Method for speech coding, method for speech decoding and their apparatuses
03/20/2008US20080071525 Method for speech coding, method for speech decoding and their apparatuses
03/20/2008US20080071524 Method for speech coding, method for speech decoding and their apparatuses
03/20/2008US20080069259 Communication system
03/20/2008US20080068992 Method and Device for Shaping Traffic Flow Transmitted in Network
03/19/2008EP1553560B1 Transmission apparatus and receiving apparatus for coded voice data
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