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Class Information
Number: 375/322
Name: Pulse or digital communications > Receivers > Angle modulation
Description: Subject matter where the angle of the sine wave carrier is varied in accordance with the pulse or digital information.

Sub-classes under this class:

Class Number Class Name Patents
375/323 Combined phase shift keyed and frequency shift keyed 78
375/334 Frequency shift keying 417
375/324 Particular demodulator 1,246
375/329 Phase shift keying 697

Patents under this class:
1 2 3 4 5 6 7

Patent Number Title Of Patent Date Issued
8705662 Soft decision method and associated signal receiving system Apr. 22, 2014
8687736 Multi-band bandpass-sampling receiver Apr. 1, 2014
8681903 Method for demodulating received signals and apparatus for performing the same Mar. 25, 2014
8670505 Early detection of segment type using BPSK and DBPSK modulated carriers in ISDB-T receivers Mar. 11, 2014
8665998 Maximum likelihood detection method using a sequence estimation receiver Mar. 4, 2014
8660213 Bandpass-sampling wide-band receiver Feb. 25, 2014
8654897 Receiving circuit, transmitting circuit, micro-controller and method for power line carrier communication Feb. 18, 2014
8649464 Quadrature receiver and method of compensating for I/Q imbalance using a calibration signal Feb. 11, 2014
8644424 Receiver apparatus, communication system, reception method and communication method Feb. 4, 2014
8629716 Modulator, demodulator and modulator-demodulator Jan. 14, 2014
8619916 Apparatus for receiving signal and method of compensating phase mismatch thereof Dec. 31, 2013
8620248 Multichannel receiver system and method for multichannel receiver monitoring Dec. 31, 2013
8615057 Method and device for multiple input-multiple output detection Dec. 24, 2013
8605822 Apparatus and method for transmitting and receiving data Dec. 10, 2013
8605835 Receiver device, integrated circuit, receiving method, and receiving program Dec. 10, 2013
8599968 Sampling circuit and receiver utilizing the same Dec. 3, 2013
8600290 Hybrid band directed energy target disruption Dec. 3, 2013
8594241 Estimation and compensation method for IQ imbalance Nov. 26, 2013
8582693 Wireless receiver applicable to multiple coexisting positioning systems Nov. 12, 2013
8576953 Identification of target signals in radio frequency pulsed environments Nov. 5, 2013
8576954 Method and apparatus of cross-correlation Nov. 5, 2013
8571139 Method for tracking the phase of a signal modulated by continuous phase modulation and synchronization device implementing said method Oct. 29, 2013
8571142 System and method for non-crystal-based communications Oct. 29, 2013
8565338 High bandwidth modulation and transmission Oct. 22, 2013
8565352 Digital IQ imbalance compensation for dual-carrier double conversion receiver Oct. 22, 2013
8559564 Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system Oct. 15, 2013
8559563 Pseudo tone-based symbol timing recovery and carrier tracking loop detectors for vestigial sideband receivers Oct. 15, 2013
8559560 Measuring the I/Q impairments of a receiver Oct. 15, 2013
8559559 Method and apparatus for compensating DC offsets in communication systems Oct. 15, 2013
8553805 Method and apparatus for subband signal demodulation in a transponder satellite communication link containing a component of relayed interference Oct. 8, 2013
8553807 Methods and systems for programmable digital up-conversion Oct. 8, 2013
8532224 Signal processing circuit and method with frequency up- and down-conversion Sep. 10, 2013
8532225 DC compensation for VLIF signals Sep. 10, 2013
8525937 Apparatus and method for calibrating audio-visual signal Sep. 3, 2013
8525717 Half-bandwidth based quadrature analog-to-digital converter Sep. 3, 2013
8514965 Wireless communication system with a modulation bandwidth comparable to or exceeding the bandwidth of the transmitter and/or receiver antennas Aug. 20, 2013
8514979 Integrated demodulator, filter and decimator (DFD) for a radio receiver Aug. 20, 2013
8502720 Parallel digital to analog conversion with image suppression Aug. 6, 2013
8503560 System and method for performing precoding in a wireless communication system Aug. 6, 2013
8488720 System and method for adaptive polar quantization Jul. 16, 2013
8488689 Channel equalization in a receiver Jul. 16, 2013
8488657 Data interface with delay locked loop for high speed digital to analog converters and analog to digital converters Jul. 16, 2013
8483329 Robust sensing for detecting signals using correlation Jul. 9, 2013
8483316 Modulation apparatus, modulation method, demodulation apparatus, and demodulation method Jul. 9, 2013
8467479 Apparatus and method for estimating I/Q unbalance parameters in OFDM receiver Jun. 18, 2013
8462837 Constellation-multiplexed transmitter and receiver Jun. 11, 2013
8457255 Method and system for applying Viterbi type PSK demodulation for optimum correlation of GPS signals Jun. 4, 2013
8446984 Method and system for identification of portable antenna modules May. 21, 2013
8446996 Sampling resolution and gain controller for a wireless receiver May. 21, 2013
8446976 Signal generator with adjustable phase May. 21, 2013

1 2 3 4 5 6 7

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