ClassID:

225928

H04L27/066 - CPC Classification

Classification description:

Modulated-carrier systems; Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation; Demodulator circuits; Receiver circuits Carrier recovery circuits

Recent Application in this class:
#1
20260074933
2026-03-12

RECEIVER CIRCUIT

#2
20250141723
2025-05-01

MULTI-CARRIER ON-OFF KEYING COMMUNICATIONS

#3
20230025757
2023-01-26

Self-calibrating on-off keying based digital isolator

#4
20190356393
2019-11-21

Constellation selection threshold adaptation for slicer

#5
20190327119
2019-10-24

Bit synchronization for on/off key (OOK) communication

#6
20190191377
2019-06-20

Method and apparatus for transmitting wakeup packet in wireless LAN system

#7
20190132825
2019-05-02

Wireless communications system, base station, and terminal

#8
20190052281
2019-02-14

Jitter reduction techniques when using digital PLLs with ADCs and DACs

#9
20190007710
2019-01-03

DTV receiving system and method of processing DTV signal

#10
20180212807
2018-07-26

Backscatter communication among commodity WiFi radios

#11
20180198653
2018-07-12

Circuits for amplitude demodulation and related methods

#12
20180167651
2018-06-14

DTV receiving system and method of processing DTV signal

#13
20180160383
2018-06-07

Communication device, communication method, and communication system with desynchronization detection

#14
20180041366
2018-02-08

Method and apparatus of transmitting signal

#15
20180014042
2018-01-11

DTV receiving system and method of processing DTV signal

#16
20170041912
2017-02-09

Wireless communications system, base station, and terminal

#17
20170026209
2017-01-26

Demodulating circuit and the method thereof

#18
20160352461
2016-12-01

Broadcast transmitter and method of processing broadcast service data for transmission

#19
20160315646
2016-10-27

Wireless receiver and method

#20
20160142236
2016-05-19

Weak signal detection in double transmission

#21
20160127049
2016-05-05

Reduction of effects of signal-signal beat interference in optical transport systems

#22
20160028506
2016-01-28

Broadcast transmitter and method of processing broadcast service data for transmission

#23
20160006590
2016-01-07

Carrier recovery in a QAM receiver

#24
20150333838
2015-11-19

Optical receiving device and phase cycle reduction method

#25
20150234423
2015-08-20

Baud rate phase detector with no error latches

#26
20150124917
2015-05-07

Clock synchronization circuit and semiconductor device

#27
20150055694
2015-02-26

Adaptive modal PAM2/PAM4 in-phase (I) quadrature (Q) phase detector for a receiver

#28
20140230004
2014-08-14

DTV receiving system and method of processing DTV signal

#29
20140219396
2014-08-07

Methods and QAM receiver for performing timing recovery

#30
20140177766
2014-06-26

Channel tracking in an orthogonal frequency-division multiplexing system

#31
20140140431
2014-05-22

Transmitter circuit, receiver circuit, and transmitting/receiving system

#32
20140050285
2014-02-20

Data receiving circuit and semiconductor device

#33
20130107992
2013-05-02

Phase detection in digital communication receivers

#34
20130039449
2013-02-14

Universal systems and methods for determining an incoming carrier frequency and decoding an incoming signal

#35
20130039402
2013-02-14

METHOD TO GET A FREQUENCY REFERENCE TO A BASE STATION

#36
20120246541
2012-09-27

DTV receiving system and method of processing DTV signal

#37
20120240005
2012-09-20

Broadcasting transmitting system and method of processing broadcast data in the broadcast transmitting system

#38
20120194266
2012-08-02

Reduction of the Sensitivity to the Jitter Demodulation of the Sampling Clock Signal

#39
20120105211
2012-05-03

Apparatus and method for detecting RFID signals

#40
20120038831
2012-02-16

DTV transmitting system and method of processing DTV signal

#41
20120033740
2012-02-09

Robust digital communication system

#42
20110314353
2011-12-22

Broadcast transmitting system and method of processing broadcast data in the broadcast transmitting system

#43
20110170015
2011-07-14

DTV receiving system and method of processing DTV signal

#44
20110083056
2011-04-07

Broadcast transmitting/receiving system and method of processing broadcast data in a broadcast transmitting/receiving system

#45
20100310015
2010-12-09

Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system

#46
20100309969
2010-12-09

Transmitting/receiving system and method of processing broadcast signal in transmitting/receiving system

#47
20100283903
2010-11-11

Pseudo tone-based symbol timing recovery and carrier tracking loop detectors for vestigial sideband receivers

#48
20100232797
2010-09-16

Detection of data in signals with data pattern dependent signal distortion

#49
20100189198
2010-07-29

Universal systems and methods for determining an incoming carrier frequency and decoding an incoming signal

#50
20100082720
2010-04-01

CURVE-FITTING METHOD TO CALCULATE COARSE FREQUENCY OFFSET

#51
20090245390
2009-10-01

VSB receiver and carrier recovery apparatus thereof

#52
20090180535
2009-07-16

Robust digital communication system

#53
20090161024
2009-06-25

Apparatus and Method for Sensing an ATSC Signal in Low Signal-To-Noise Ratio

#54
20090153748
2009-06-18

Apparatus and Method for Sensing an ATSC Signal in Low Signal-To-Noise Ratio

#55
20090086808
2009-04-02

Equalization and decision-directed loops with trellis demodulation in high definition TV

#56
20090086108
2009-04-02

Method and system for scanning a frequency channel in digital television

#57
20090037792
2009-02-05

Digital broadcast receiver and method of processing data in digital broadcast receiver

#58
20090024897
2009-01-22

Robust digital communication system

#59
20090022251
2009-01-22

Maximum likelihood detection apparatus and method in a wireless communication system

#60
20080285693
2008-11-20

RECEIVER APPARATUS FOR PROCESSING AMPLITUDE-MODULATED SIGNAL

#61
20080240295
2008-10-02

Apparatus for recovering carrier wave in digital broadcasting receiver and method therefor

#62
20080239161
2008-10-02

DTV receiving system and method of processing DTV signal

#63
20080107171
2008-05-08

Robust digital communication system

#64
20080092012
2008-04-17

Robust digital communication system

#65
20080089430
2008-04-17

Robust digital communication system

#66
20080089415
2008-04-17

Robust digital communication system

#67
20080089365
2008-04-17

Robust digital communication system

#68
20070274416
2007-11-29

Phase error correction circuit

#69
20070237263
2007-10-11

Receiver for robust data extension for 8VSB signaling

#70
20070230633
2007-10-04

Method of determining a synchronous phase

#71
20070206701
2007-09-06

RFID reader with digital waveform encoding and digital decoding

#72
20070177690
2007-08-02

Radio-controlled method and device for measuring time

#73
20060232330
2006-10-19

Carrier recovery based demodulation

#74
20060146954
2006-07-06

Carrier tracking loop lock detector

#75
20060126760
2006-06-15

Method and device for carrier-frequency synchronization of a vestigial-sideband-modulated signal

#76
20060078072
2006-04-13

Synchronization signal detection circuit and method of digital television (DTV) receiver

#77
20060078071
2006-04-13

Carrier and symbol timing recovery apparatus usable with a vestigial side band receiver and recovery method thereof

#78
20060078070
2006-04-13

Carrier phase and symbol timing recovery circuit for an ATSC receiver and method of recovering a carrier phase and a symbol timing in received digital signal data

#79
20060023810
2006-02-02

Carrier recovery system and method thereof

#80
20050286614
2005-12-29

Carrier frequency offset detecting apparatus in a digital receiver system and a method thereof

#81
20050254601
2005-11-17

Channel acquisition processing for a television receiver

#82
20050237966
2005-10-27

Ultra wide band communication systems and methods

#83
20050226339
2005-10-13

Packet error signal generator

#84
20050157821
2005-07-21

Apparatus and method for pilot-less carrier acquisition of vestigial sideband (VSB) signal

#85
20050157820
2005-07-21

Digital receiver having adaptive carrier recovery circuit

#86
20050152411
2005-07-14

Robust digital communication system

#87
20050141645
2005-06-30

VSB receiver and carrier recovery apparatus thereof

#88
20050105651
2005-05-19

Dual mode QAM/VSB receiver

#89
20050069048
2005-03-31

Device and method for symbol clock recovery in digital television

#90
20050047519
2005-03-03

Digital broadcast transmission system of improved receptability and signal processing method thereof

#91
20050018762
2005-01-27

Ultra wide band communication systems and methods

#92
20050013390
2005-01-20

Hybrid UWB receiver with matched filters and pulse correlator

#93
17081433
2021-11-16

Resolver signal processing

#94
14950703
2017-08-01

Detection of low level communication signals in high level noise

#95
14092307
2016-05-24

System and method for timing error estimation