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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
7515645 Method for dividing the bit rate of QPSK signals into two or several subchannels Apr. 7, 2009
7515628 Portable terminal set and control method thereof Apr. 7, 2009
7515002 Frequency synthesizer for dual mode receiver Apr. 7, 2009
7514993 IQ demodulator Apr. 7, 2009
7512190 Data transmission apparatus using asynchronous dual-rail bus and method therefor Mar. 31, 2009
7512171 System and method for calibrating an analog signal path in an ultra wideband receiver Mar. 31, 2009
7510117 Decoding with memory in RFID system Mar. 31, 2009
7508887 Signal acquisition with transmit blanking compensation Mar. 24, 2009
7508879 UWB telecommunication system and communication device to be used therein Mar. 24, 2009
7508862 Determination and selection of transmission paths as a function of the operating situation for setting up rake fingers for rake receiver units in mobile communication terminals Mar. 24, 2009
7505536 Energy dispersal circuit and receiver Mar. 17, 2009
7505535 Method and apparatus for controlling turbo decoder input Mar. 17, 2009
7505509 Receiving communication apparatus using array antenna Mar. 17, 2009
7502430 Coherent averaging for measuring traveling wave tube amplifier nonlinearity Mar. 10, 2009
7502429 Equalization for traveling wave tube amplifier nonlinearity measurements Mar. 10, 2009
7502425 Efficient reduced complexity windowed optimal time domain equalizer for discrete multitone-based DSL modems Mar. 10, 2009
7502424 Maximizing data rate by adjusting codes and code rates Mar. 10, 2009
7502418 Method and apparatus for joint equalization and decoding of multilevel codes Mar. 10, 2009
7502411 Method and circuit for adaptive equalization of multiple signals in response to a control signal generated from one of the equalized signals Mar. 10, 2009
7499504 Method for determining multiple-input multiple-output (MIMO) channel coefficient using polarity-inverted training signals in an orthogonal frequency division multiplexed (OFDM) multicarrier sy Mar. 3, 2009
7499500 Data communication system, method and apparatus for communicating a data signal formed of successive data elements Mar. 3, 2009
7496157 Apparatus for detecting a distance and apparatus for detecting a body Feb. 24, 2009
7496154 Power and area efficient receiver circuit having constant hysteresis for noise rejection Feb. 24, 2009
7496149 Methods and apparatus for signaling on a differential link Feb. 24, 2009
7492844 Data processing method, equalizer and receiver Feb. 17, 2009
7492810 Method and apparatus for segmented code correlation Feb. 17, 2009
7492292 Calibrating an analog component using digital feedback information Feb. 17, 2009
7489739 Method and apparatus for data recovery Feb. 10, 2009
7489723 System and method for adjusting acquisition phase Feb. 10, 2009
7486746 Clock and data recovery with extended integration cycles Feb. 3, 2009
7486745 Method for improving multipath mitigator low path separation error behavior Feb. 3, 2009
7486741 Wireless transmitting/receiving device and method thereof Feb. 3, 2009
7486735 Sub-carrier allocation for OFDM Feb. 3, 2009
7483500 Narrowband gain control of receiver with digital post filtering Jan. 27, 2009
7483498 Frequency content separation using complex frequency shifting converters Jan. 27, 2009
7483496 Method and system for providing long and short block length low density parity check (LDPC) codes Jan. 27, 2009
7480349 Low IF receiver systems and methods Jan. 20, 2009
7480347 Analog front-end having built-in equalization and applications thereof Jan. 20, 2009
7477713 method for providing automatic adaptation to frequency offsets in high speed serial links Jan. 13, 2009
7477707 Computationally efficient demodulation for differential phase shift keying Jan. 13, 2009
7477705 Method for demodulating a digital signal based on an estimate of multipath propagation impairment, and an associated receiver Jan. 13, 2009
7477704 Digital signal detection for high speed signaling systems Jan. 13, 2009
7475418 Digital broadcasting system and method for automatically locating programs after relocation Jan. 6, 2009
7474860 Optimum sample spacing in over-sampled maximum likelihood sequence estimation receivers Jan. 6, 2009
7474716 Data recovery circuits using oversampling for maverick edge detection/suppression Jan. 6, 2009
7474713 System and method for demodulating multiple QAM signals Jan. 6, 2009
7474710 Amplitude and phase matching for layered modulation reception Jan. 6, 2009
7471745 Method and apparatus for channel quality metric generation within a packet-based multicarrier modulation communication system Dec. 30, 2008
7471744 Efficient space-time adaptive processing (STAP) filter for global positioning system (GPS) receivers Dec. 30, 2008
7471743 Systems and methods for high-efficiency transmission of information through narrowband channels Dec. 30, 2008



 
 
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