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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
7613400 Multi-level optical data communication circuit Nov. 3, 2009
7613253 Noise balanced QAM detection Nov. 3, 2009
7613252 Installation of digital data receivers Nov. 3, 2009
7613248 Signal processing with channel eigenmode decomposition and channel inversion for MIMO systems Nov. 3, 2009
7613243 Interleaver and parser for OFDM MIMO systems Nov. 3, 2009
7610500 Link power saving state Oct. 27, 2009
7609788 Receiver apparatus using maximum-likelihood-determination Oct. 27, 2009
7609772 Apparatus and method for optimally compensating for imbalance between in-phase and quadrature-phase in a zero-IF OFDM receiver Oct. 27, 2009
7606330 Dual-rate single band communication system Oct. 20, 2009
7606329 Data receiver adaptively operable to received signal strength indication Oct. 20, 2009
7606328 Common signal generation for an RF receiver Oct. 20, 2009
7606327 Method to receive local information with a national broadcast service Oct. 20, 2009
7606318 Method of space-time encoding and decoding for frequency selective fading channel Oct. 20, 2009
7606288 Burst spread spectrum radio system and method for asset tracking and data telemetry Oct. 20, 2009
7606139 Preamble detection using frequency based correlation Oct. 20, 2009
7605737 Data encoding in a clocked data interface Oct. 20, 2009
7602866 Signal receiver devices and methods Oct. 13, 2009
7602865 Apparatus and method for enhancing a reception rate of a receiver Oct. 13, 2009
7602863 Method and apparatus for providing iterative timing recovery Oct. 13, 2009
7602862 Mixing module and methods for use therewith Oct. 13, 2009
7602859 Calibrating integrating receivers for source synchronous protocol Oct. 13, 2009
7602856 Mixer for mixing a signal and method for mixing a signal Oct. 13, 2009
7602853 Method and apparatus for channel estimation Oct. 13, 2009
7602835 Multi-rate spread spectrum composite code Oct. 13, 2009
7602696 Adaptive guard intervals in OFDM systems Oct. 13, 2009
7599453 Doppler spread estimation for OFDM systems Oct. 6, 2009
7599422 Adjustable dual-band link Oct. 6, 2009
7599333 Wireless messaging preambles allowing for beamforming and legacy device coexistence Oct. 6, 2009
7599332 Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices Oct. 6, 2009
7596190 System, method, and apparatus for correction of code doppler shift Sep. 29, 2009
7596189 Quadrature receiver sampling architecture Sep. 29, 2009
7596188 Digital interface decode receiver apparatus Sep. 29, 2009
7596181 Apparatus and method for frequency synchronization in OFDM system Sep. 29, 2009
7596175 Methods and circuits for performing margining tests in the presence of a decision feedback equalizer Sep. 29, 2009
7593496 Phase interpolator Sep. 22, 2009
7593490 Joint synchronizer and decoder Sep. 22, 2009
7593486 Apparatus and method for controlling transmission mode in a MIMO mobile communication system Sep. 22, 2009
7593485 Wireless receiver for removing direct current offset component Sep. 22, 2009
7593483 Nonlinear mapping in digital-to-analog and analog-to-digital converters Sep. 22, 2009
7593482 Wireless communication system with hardware-based frequency burst detection Sep. 22, 2009
7593474 Digital broadcast transmitting/receiving system having an improved receiving performance and signal processing method thereof Sep. 22, 2009
7593458 FEXT determination system Sep. 22, 2009
7590205 Receiver with sliding intermediate frequency (IF) architecture and programmable bandwidth and method Sep. 15, 2009
7590201 Method for detecting signal in multiple input multiple output system and receiving device of multiple input multiple output system Sep. 15, 2009
7590196 Chiral mixture detection system using double reference lock-in detector Sep. 15, 2009
7590195 Reduced-complexity multiple-input multiple-output (MIMO) channel detection via sequential Monte Carlo Sep. 15, 2009
7590193 Frequency recovery apparatus and mobile broadcast receiver using the frequency recovery apparatus Sep. 15, 2009
7590192 Method and apparatus for computing SIR of time varying signals Sep. 15, 2009
7590184 Blind preamble detection for an orthogonal frequency division multiplexed sample stream Sep. 15, 2009
7590175 DFE margin test methods and circuits that decouple sample and feedback timing Sep. 15, 2009



 
 
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