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Class Information
Number: 375/316
Name: Pulse or digital communications > Receivers
Description: Subject matter including apparatus to decode, demodulate, or otherwise recover the transmitted intelligence.


Sub-classes under this class:

Class Number Class Name Patents
375/320 Amplitude modulation 103
375/322 Angle modulation 165
375/317 Automatic baseline or threshold adjustment 371
375/344 Automatic frequency control 827
375/345 Automatic gain control 829
375/346 Interference or noise reduction 1,607
375/338 Interrupted carrier wave 14
375/340 Particular pulse demodulator or detector 1,521
375/352 With electromagnetic relay or solenoid 13


Patents under this class:

Patent Number Title Of Patent Date Issued
6788746 System and method of determining the frequency of a coherent burst signal Sep. 7, 2004
6788747 Receiver capable of receiving analog broadcast and digital broadcast and IC for the same Sep. 7, 2004
6788748 Method and apparatus for performing mobile station assisted hard handoff using error correction codes Sep. 7, 2004
6785343 Rectangular-to-polar conversion angle quantizer Aug. 31, 2004
6782058 Device and method for interpolated signal resampling between sampling clock cycles Aug. 24, 2004
6782059 Discontinuous transmission (DTX) detection Aug. 24, 2004
6778616 Radio reception apparatus and received power amplification method Aug. 17, 2004
6775332 Multi-stage receiver Aug. 10, 2004
6775336 Receiver and gain control method of the same Aug. 10, 2004
6775520 Synthetic-aperture communications receivers Aug. 10, 2004
6771670 Time-alignment apparatus and method for time-aligning data frames of a plurality of channels in a telecommunication system Aug. 3, 2004
6771699 Method for rapid carrier-frequency offset acquisition using a periodic training sequence Aug. 3, 2004
6771712 System for extracting a clock signal and a digital data signal from a modulated carrier signal in receiver Aug. 3, 2004
6771714 Timing recovery using the pilot signal in high definition TV Aug. 3, 2004
6768876 Method and apparatus for tracking an optical communications system Jul. 27, 2004
6765969 Method and device for multi-user channel estimation Jul. 20, 2004
6765971 System method and computer program product for improved narrow band signal detection for echo cancellation Jul. 20, 2004
6763282 Method and system for controlling a robot Jul. 13, 2004
6760592 System and method for cyclic carrier de-rotation for earliest time of arrival estimation in a wireless communications system Jul. 6, 2004
6754289 Synthesizer receiver Jun. 22, 2004
6754291 Method and device of outputting demodulation result in soft-decision decoding and receiver Jun. 22, 2004
6751262 Data transmission method Jun. 15, 2004
6748025 Direct conversion delta-sigma receiver Jun. 8, 2004
6748026 Distortion estimation apparatus, frequency offset compensation apparatus and reception apparatus Jun. 8, 2004
6748027 CMI signal timing recovery Jun. 8, 2004
6748031 Method of parameter estimation and receiver Jun. 8, 2004
6744825 Method and system for quadrature modulation and digital-to-analog conversion Jun. 1, 2004
6744829 Calibration of a quadrature receiver Jun. 1, 2004
6741587 Inter-frequency measurements with MIMO terminals May. 25, 2004
6738414 Radio and communication method using a transmitted intermediate frequency May. 18, 2004
6738433 Quadricorrelator for a demodulator for frequency-modulated signals May. 18, 2004
6738434 System and method for combining multiple satellite channels into a virtual composite channel May. 18, 2004
6738608 Frequency-timing control loop for wireless communication systems May. 18, 2004
6738609 Receiver and method of receiving May. 18, 2004
6738979 Satellite broadcast receiver which is not influenced by unnecessary signal components May. 18, 2004
6735259 Method and apparatus for optimization of a data communications system using sacrificial bits May. 11, 2004
6735260 Adaptive data slicer May. 11, 2004
6735261 Calibration of a N-port receiver May. 11, 2004
6731690 Methods and apparatus for transmultiplexing a multi-channel signal May. 4, 2004
6728309 Method and apparatus for high speed data transmission over a four-wire subscriber line Apr. 27, 2004
6728310 Data processing apparatus and data processing method Apr. 27, 2004
6724804 Frequency converter and radio communications system employing the same Apr. 20, 2004
6724833 Method and apparatus for communicating information Apr. 20, 2004
6725028 Receiving station with interference signal suppression Apr. 20, 2004
6721356 Method and apparatus for buffering data samples in a software based ADSL modem Apr. 13, 2004
6721358 Signal synthesizer and method therefor Apr. 13, 2004
6721371 One sample per symbol high rate programmable parallel architecture for digital demodulation Apr. 13, 2004
6721547 In-band and out-of-band signal detection for automatic gain calibration systems Apr. 13, 2004
6717908 Bit interleaving for orthogonal frequency division multiplexing in the transmission of digital signals Apr. 6, 2004
6717992 Method and apparatus for receiving a plurality of time spaced signals Apr. 6, 2004



 
 
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