Patents
Sitemap › H04 - Electric communication technique › H04B - Transmission › H04B 14 - Transmission systems not characterised by the medium used for transmission
Patents for H04B 14 - Transmission systems not characterised by the medium used for transmission (7,274)
12/2010
12/28/2010US7860173 Common field bus for data and energy transfer
12/28/2010US7860172 Self clock generation structure for low power local clock buffering decoder
12/28/2010US7859600 Arrangement for and method of projecting a level image
12/23/2010US20100322321 Apparatus and methods using an efficient golay correlator running at 1.5 the sampling rate in wireless communication systems
12/22/2010CN101926160A Voice mixing device and method, and multipoint conference server
12/22/2010CN101926159A Voice mixing device and method, and multipoint conference server
12/22/2010CN101217320B A percutaneous biphasic radio communication device based on PPM type of modulation
12/21/2010US7855677 Code generation apparatus
12/15/2010CN1848241B Multi-channel audio frequency coder
12/14/2010US7852949 Spectral distance optimizing multi-band transmission
12/08/2010CN101911758A Methods and systems for resource allocation
12/08/2010CN101162951B Single bit sampling based pulse radio iteration receiving method
12/07/2010US7848281 Method for selection of an available transmission channel by sending a negative decision value and an additional positive decision value and corresponding base station, mobile terminal and mobile radio network
12/01/2010CN101902283A Coding modulation method and system
11/2010
11/30/2010US7844183 System and a method for transmission of information
11/30/2010CA2535872C Fading frequency decision device and method
11/25/2010US20100296561 Wireless modem and noise cancellation method for the same
11/17/2010CN101179339B Two-wire system active encoding digital type ultrasonic sensor probe
11/10/2010CN101882963A Multi-amplitude digital pulse spacing modulation device
11/09/2010US7830277 Method and apparatus for providing intrinsic information in mobile communication terminal
11/04/2010US20100278215 Processing code-modulated signals
10/2010
10/27/2010CN101872618A Multi-channel audio decoder
10/26/2010CA2401180C A modulation scheme for fdd/tdd transceivers
10/20/2010EP2241018A2 Signal and devices for wired networks
10/19/2010US7817725 Data converter device and data conversion method, and transmitter circuit, communications device and electronic device using the same
10/14/2010US20100260273 Method and apparatus for smooth convergence during audio discontinuous transmission
10/13/2010CN1714391B Multi-dimensional coding for high-density storage media applications
10/13/2010CN101043277B Pulse synchronized method and unit in receptivity test of mobile communication terminal
10/06/2010EP1461892B1 Information content distribution based on privacy and/or personal information
10/06/2010EP1259965B1 Sampling system with optimized sampling rate
10/05/2010US7809555 Speech signal classification system and method
10/05/2010US7809205 Image processing method, image processing apparatus, image forming apparatus and recording medium
10/05/2010US7809204 Method and apparatus for encoding and decoding key value data of coordinate interpolator
09/2010
09/29/2010EP2232741A1 Channel estimation method and system for inter-carrier interference-limited wireless communication network
09/29/2010CN1263659B Modulating method, modulating device, demodulating method, and demodulating device
09/28/2010US7804922 System and method for adjacent channel power detection and dynamic bandwidth filter control
09/23/2010US20100239027 Method of and apparatus for encoding/decoding digital signal using linear quantization by sections
09/21/2010US7801222 Coding image signal
09/15/2010EP2228790A2 Improving sound quality of established low bit-rate audio coding systems without loss of decoder compatility
09/14/2010US7796694 Circuit and method or encoding DSSS signals
09/09/2010US20100226446 Communication apparatus
09/09/2010US20100226419 Receivers for cycle encoded signals
09/07/2010USRE41641 Synchronization symbol structure using OFDM based transmission method
09/07/2010US7792540 Synchronizing push to talk service in wireless communication system
09/07/2010US7792413 Recording and reproducing an MPEG information signal on/from a record carrier
09/07/2010US7792385 Scratch pad for storing intermediate loop filter data
09/07/2010US7791645 Imaging system and system control method
09/01/2010EP2223447A1 Methods and systems for channelization
09/01/2010CN1922805B Optical transporting apparatus, optical transmission system, optical transporting method, and optical transmission method
09/01/2010CN101819781A Communication apparatus and communication method
09/01/2010CN101179340B Method and device for low-swing difference signal bus transfer digital intermediate frequency
08/2010
08/31/2010USRE41606 Synchronization symbol structure using OFDM based transmission method
08/31/2010US7787544 Method and apparatus for generating codewords
08/31/2010US7787543 Pulse pattern generator and communication device evaluation system utilizing the same
08/25/2010CN101814960A Signal modulation method and equipment
08/18/2010EP1334578B1 Method and system for locating a mobile device
08/18/2010EP0990308B1 Turbo encoding with insertion of known bits
08/17/2010USRE41518 Bandpass sigma-delta modulator
08/12/2010US20100202398 System for efficient recovery of node-b buffered data following mac layer reset
08/11/2010EP2215870A1 Methods and systems for resource allocation
08/11/2010CN101800608A Adaptive differential pulse-code modulation-demodulation system and method
08/10/2010USRE41486 Synchronization symbol structure using OFDM based transmission method
08/10/2010USRE41479 Time domain radio transmission system
08/05/2010US20100195743 Methods and apparatuses for signaling with geometric constellations
08/03/2010USRE41470 Synchronization symbol structure using OFDM based transmission method
07/2010
07/28/2010EP2211484A1 Demultiplexer for channel interleaving
07/28/2010CN1868150B Receiving apparatus and method
07/27/2010US7765461 Moving picture processing device, information processing device, and program thereof
07/21/2010CN101202724B Numerical frequency key modulation method
07/20/2010US7760815 Apparatus and method for transmission/reception
07/20/2010CA2547708C System and method for privilege management and revocation
07/13/2010USRE41432 Synchronization symbol structure using OFDM based transmission method
07/13/2010USRE41431 Synchronization symbol structure using OFDM based transmission method
07/13/2010US7756711 Sampling rate conversion apparatus, encoding apparatus decoding apparatus and methods thereof
07/13/2010US7756705 Method and apparatus for diversity control in multiple description voice communication
07/13/2010US7755519 Ultrasonic communication and drag modification
07/08/2010US20100174536 Method and device for adaptive bandwidth pitch search in coding wideband signals
07/07/2010EP2204929A1 Signal acquisition and conditioning system, specifically for bioelectric signals
07/06/2010US7751486 Systems and methods for transmitting data
07/06/2010US7751485 Signal processing using pilot based coding
07/01/2010US20100166084 Nonlinearity robust successive requantizer
06/2010
06/30/2010CN101765989A A method of transmitting data to a receiver
06/30/2010CA2686110A1 Wireless communication system using pilot allocation, method and pilot pattern thereof
06/29/2010US7747441 Method and apparatus for speech decoding based on a parameter of the adaptive code vector
06/29/2010US7747433 Method and apparatus for speech encoding by evaluating a noise level based on gain information
06/29/2010US7747432 Method and apparatus for speech decoding by evaluating a noise level based on gain information
06/29/2010US7746936 Method and device for optimizing codebook for quantized precoder by using steepest descent algorithm
06/29/2010US7746935 Digital amplifier system for driving a capacitive load
06/24/2010US20100161321 Sampling rate conversion apparatus, coding apparatus, decoding apparatus and methods thereof
06/24/2010US20100158137 Apparatus and method for suppressing noise in receiver
06/23/2010EP2200195A2 Information coding apparatus
06/23/2010CN101753262A Voice quality confirming method, downlink user pairing method and device
06/23/2010CN101753223A Wireless data transmission method of cochlea
06/23/2010CN101753222A Visible light communication apparatus and visible light communciation method
06/22/2010US7742917 Method and apparatus for speech encoding by evaluating a noise level based on pitch information
06/16/2010CN101114452B Communicaiton equipment for communicating with transceiver, and communication method thereof
06/15/2010US7738565 Peak detector
06/09/2010CN1961511B Audio data receiving apparatus and audio data receiving method
06/09/2010CN1922660B Communication device, communication method
06/09/2010CN101729470A Constant amplitude and period digital signal modulation and demodulation method
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