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Class Information
Number: 329/311
Name: Demodulators > Pulse or interrupted continuous wave demodulator
Description: Subject matter where the demodulator extracts the modulating signal from a modulated signal which has undergone pulse modulation.

Sub-classes under this class:

Class Number Class Name Patents
329/313 Pulse position, frequency, phase or spacing demodulator 79
329/312 Pulse width demodulator 74

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8559564 Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system Oct. 15, 2013
8537907 Receiving system for use in near field communication and mode detection method therefore Sep. 17, 2013
8525585 Demodulation circuit and RFID tag including the demodulation circuit Sep. 3, 2013
8508293 Amplitude shift keying demodulator and method for demodulating an ask signal Aug. 13, 2013
8339193 Demodulator for simultaneous multi-node receiving and the method thereof Dec. 25, 2012
8299849 Binarization circuit, demodulation circuit, and tuner for vehicle Oct. 30, 2012
8258862 Demodulation circuit and RFID tag including the demodulation circuit Sep. 4, 2012
8238495 Method and apparatus for reducing the interferences between a wideband device and a narrowband interferer Aug. 7, 2012
8238479 Synchronization and acquisition for mobile television reception Aug. 7, 2012
8170148 Demodulation circuit, digital microwave system and demodulation method May. 1, 2012
8138825 Multi-chip stack structure and signal transmission method thereof Mar. 20, 2012
8120419 Apparatus for type-A demodulation and integrated circuit card including the same Feb. 21, 2012
8102202 Modem unit and mobile communication unit Jan. 24, 2012
8085877 Method and system for quadrature local oscillator generator utilizing a DDFS for extremely high frequencies Dec. 27, 2011
8068571 Featureless coherent chaotic amplitude modulation Nov. 29, 2011
8064531 Method and apparatus for interferer parameter estimation using multiple receiver arbitration Nov. 22, 2011
8059766 Communications device and related method with reduced false detects during start of message bit correlation Nov. 15, 2011
8059767 Communications device and related method that detects symbol timing Nov. 15, 2011
8054920 Communications device and related method with improved acquisition estimates of frequency offset and phase error Nov. 8, 2011
8045640 Two-level demodulation method and device Oct. 25, 2011
8019021 Carrier to interference and noise ratio (CINR) estimating method and device using preamble in orthogonal frequency division multiplexing (OFDM) Sep. 13, 2011
7907005 Demodulation circuit for ASK coded or amplitude modulated signals as wells as NFC and RFID devices comprising the same Mar. 15, 2011
7881397 Wireless communication system Feb. 1, 2011
7876150 ASK demodulator, communication module, communication device, and ASK demodulation method Jan. 25, 2011
7855595 High dynamic range ASK demodulator for use in an RFID transponder Dec. 21, 2010
7804917 Clear channel assessment method and system for ultra wideband OFDM Sep. 28, 2010
7720177 System and method for detecting known sequence in transmitted sequence May. 18, 2010
7620122 Communication apparatus including a demodulator having a tone detection mechanism Nov. 17, 2009
7609109 Contactless IC card system Oct. 27, 2009
7570713 System and method for anticipatory receiver switching based on signal quality estimation Aug. 4, 2009
7554332 Calibration apparatus, calibration method, testing apparatus, and testing method Jun. 30, 2009
7525374 Multi-level demodulation method and device Apr. 28, 2009
7508257 Low-power digital demodulator Mar. 24, 2009
7446695 Precision pulse detection system for radar sensors Nov. 4, 2008
7417496 Demodulator circuit of RFID system Aug. 26, 2008
7394875 Beaulieu series approach to optimal UMTS RACH preamble detection estimation Jul. 1, 2008
7336736 Method of detecting and processing pulsed signals in a radio signal Feb. 26, 2008
7260158 Digital broadcast receiver and digital broadcast receiving method Aug. 21, 2007
7251573 Phase detector Jul. 31, 2007
7190216 Demodulation circuit and receiving set Mar. 13, 2007
7145965 Digital demodulator for terrestrial receiver Dec. 5, 2006
7119610 Circuit arrangement Oct. 10, 2006
7061993 CDMA receiver architecture for lower bypass switch point Jun. 13, 2006
7012462 Demodulation circuit Mar. 14, 2006
6861901 Voltage follower circuit Mar. 1, 2005
6784730 Contactless IC card system Aug. 31, 2004
6768373 Circuit configuration for demodulating a voltage which is ASK modulated by altering the amplitude between a low level and a high level Jul. 27, 2004
6760385 Universal parallel processing decoder Jul. 6, 2004
6586988 Demodulating circuits for contactless integrated circuit cards and systems Jul. 1, 2003
6566941 Method and device of phase detection in phase modulation systems May. 20, 2003

1 2 3

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