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Browse by Category: Main > Communications
Class Information
Number: 375/295
Name: Pulse or digital communications > Transmitters
Description: Subject matter for forming and transmitting pulses.










Sub-classes under this class:

Class Number Class Name Patents
375/300 Amplitude modulation 302
375/302 Angle modulation 353
375/296 Antinoise or distortion (includes predistortion) 2,026
375/309 Keying circuits 61
375/299 Plural diversity 1,499
375/298 Quadrature amplitude modulation 820


Patents under this class:
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Patent Number Title Of Patent Date Issued
8259842 Successive codebook and feedback in precoding systems Sep. 4, 2012
8259841 Digital transmitter Sep. 4, 2012
8259840 Data communication via a voice channel of a wireless communication network using discontinuities Sep. 4, 2012
8259839 Method for avoiding interference radiation of AM transmitters used in digital transmission Sep. 4, 2012
8259832 QAM and GMSK modulation methods Sep. 4, 2012
8259825 Mapping and signaling of common reference symbols for multiple antennas Sep. 4, 2012
8259823 Energy-efficient uplink slot allocation in time-frequency division multiple access systems Sep. 4, 2012
8259696 Wireless communication system using HARQ and method of operating the system Sep. 4, 2012
8254857 Radio communication device and radio communication method Aug. 28, 2012
8254494 Method and device for implementing data transmission Aug. 28, 2012
8254493 High bandwidth modulation and transmission Aug. 28, 2012
8254492 Transmit diversity in a wireless communication system Aug. 28, 2012
8254491 Digital transmitter Aug. 28, 2012
8254483 Transmission of ACK/NACK bits and their embedding in the CQI reference signal Aug. 28, 2012
8254478 Method for limiting local bandwidth impairment using tone reservation Aug. 28, 2012
8254435 Modulation method and modulator using pulse edge shift Aug. 28, 2012
8254433 Non-federated multi-function Ka-band exciter system and method Aug. 28, 2012
8254429 Communication systems and methods Aug. 28, 2012
8249188 Mechanism for constructing an oversampled waveform for a set of signals received by a receiver Aug. 21, 2012
8249187 System, method and apparatus for mobile transmit diversity using symmetric phase difference Aug. 21, 2012
8249186 Method and apparatus for singular value decomposition of a channel matrix Aug. 21, 2012
8249185 Systems for processing differentiated hierarchical modulation used in radio frequency communications Aug. 21, 2012
8249184 Content differentiated hierarchical modulation used in radio frequency communications Aug. 21, 2012
8249178 Multicarrier transmitter and multicarrier receiver Aug. 21, 2012
8249136 Adaptive frequency selective baseband communications method using orthogonal codes Aug. 21, 2012
8249134 High impedance state for digital subscriber line transceivers on copper pairs Aug. 21, 2012
8249006 Method and apparatus for allocating and processing sequences in communication system Aug. 21, 2012
8248960 Data transmission with dynamic modulation scheme and/or transfer rate Aug. 21, 2012
8244314 Reducing power consumption in mobile networks Aug. 14, 2012
8243854 Amplitude control circuit, polar modulation transmission circuit and polar modulation method Aug. 14, 2012
8243851 Radio system and a method for relaying radio signals Aug. 14, 2012
8243849 Digital television transmitter/receiver and method of processing data in digital television transmitter/receiver Aug. 14, 2012
8243848 Radio communication apparatus and method Aug. 14, 2012
8243847 Digital transmitter Aug. 14, 2012
8243846 Transmission device with enhanced signals Aug. 14, 2012
8243845 Pre-emphasis automatic adjusting method and data transmission system using same Aug. 14, 2012
8243844 Power reduction for digital subscriber line Aug. 14, 2012
8243842 Signal separating device and signal separating method Aug. 14, 2012
8243839 Base station, mobile station and method Aug. 14, 2012
8243835 Method and apparatus for measurement report for the decision of transmission mode transition Aug. 14, 2012
8243832 Encoded space time warped asymmetrical signaling Aug. 14, 2012
8238507 Transmission architecture of transmitter Aug. 7, 2012
8238480 Adaptive self-quieter suppression for OFDM wireless communication systems Aug. 7, 2012
8238472 Carrier separation frequency error adjustment for UL multiple carrier operation Aug. 7, 2012
8238471 Apparatus and method for interference cancellation in multi-antenna system Aug. 7, 2012
8238470 Digital transmitter Aug. 7, 2012
8238469 Calibration in a radio frequency transmission module Aug. 7, 2012
8238468 Radio transmission device and radio reception device Aug. 7, 2012
8238460 Method and system for retransmitting data packets Aug. 7, 2012
8238458 IQ impairment estimation in an OFDM signal Aug. 7, 2012

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