ClassID:

225944

H04L27/1563 - CPC Classification

Classification description:

Modulated-carrier systems; Frequency-modulated carrier systems, i.e. using frequency-shift keying; Demodulator circuits; Receiver circuits with demodulation using temporal properties of the received signal, e.g. detecting pulse width using transition or level detection

Recent Application in this class:
#1
20240235909
2024-07-11

Method and apparatus for transmitting PLCP frame in wireless local area network system

#2
20230308325
2023-09-28

DATA TRANSMISSION METHOD, APPARATUS, AND SYSTEM

#3
20220407366
2022-12-22

METHOD AND APPARATUS FOR WIRELESS CHARGING OF A RECEIVER DEVICE BY A WIRELESS CHARGER DEVICE

#4
20220345341
2022-10-27

Method and apparatus for transmitting PLCP frame in wireless local area network system

#5
20210176102
2021-06-10

Digital mobile radio with enhanced transceiver

#6
20200344096
2020-10-29

Acquisition of a data packet having a short preamble

#7
20200295977
2020-09-17

Continuous-time sampler circuits

#8
20200244494
2020-07-30

HART sampling

#9
20200235966
2020-07-23

Digital mobile radio with enhanced transceiver

#10
20200204413
2020-06-25

Method and apparatus for transmitting PLCP frame in wireless local area network system

#11
20190296691
2019-09-26

Lower power auto-zeroing receiver incorporating CTLE, VGA, and DFE

#12
20190253286
2019-08-15

Continuous-time sampler circuits

#13
20190246482
2019-08-08

Cyclotronic plasma actuator with arc-magnet for active flow control

#14
20190190508
2019-06-20

Receiving circuit, transmission circuit and system

#15
20190165974
2019-05-30

Data carrier apparatus, data carrier drive apparatus, communication system and replaceable part of image forming apparatus

#16
20190052496
2019-02-14

Method and apparatus for transmitting PLCP frame in wireless local area network system

#17
20180263037
2018-09-13

Dynamic sharing of OFDMA and ATDMA signals

#18
20180191540
2018-07-05

Method and device for receiving a signal the phase or frequency of which is modulated by a sequence of two-state symbols

#19
20180131544
2018-05-10

Method of detecting FSK-modulated signals, corresponding circuit, device and computer program product

#20
20180109405
2018-04-19

Method and apparatus for transmitting PLCP frame in wireless local area network system

#21
20180006854
2018-01-04

Long range bluetooth low energy synchronization system

#22
20170201401
2017-07-13

METHODS, SYSTEMS, AND COMPUTER READABLE STORAGE DEVICES FOR PERFORMING DIGITAL HART DEMODULATION

#23
20170111195
2017-04-20

Receiver and method for receiving a signal

#24
20160285658
2016-09-29

Demodulating frequency shift keying modulated input signal

#25
20160112228
2016-04-21

Method and apparatus for transmitting PLCP frame in wireless local area network system

#26
20150256369
2015-09-10

OOK modulation device and wireless transmitting device including the same

#27
20150108216
2015-04-23

Information reproduction device and information reproduction method

#28
20150063434
2015-03-05

Transport of an analog signal across an isolation barrier

#29
20150003568
2015-01-01

Circuit and method for removing frequency offset, and communication apparatus

#30
20140241556
2014-08-28

Automatic Frequency Shift Keying (FSK) tuning circuit for a hearing aid and method

#31
20140241397
2014-08-28

Electronic thermometer, electronic thermometer system, and receiver

#32
20140003472
2014-01-02

DIGITAL FREQUENCY DEMODULATOR WITH LOW POWER CONSUMPTION AND RELATED SYSTEM AND METHOD

#33
20120044017
2012-02-23

Demodulator and system for transmitting modulated information, in particular for radiofrequency identification tags

#34
20120027129
2012-02-02

Demodulation circuit, digital microwave system and demodulation method

#35
20110243277
2011-10-06

DEVICES AND METHODS IMPLEMENTING FREQUENCY OFFSET DETERMINATION FOR FSK RECEIVERS

#36
20110228882
2011-09-22

Decoding algorithm for frequency shift key communications

#37
20110110348
2011-05-12

Method and apparatus for transmitting PLCP frame in wireless local area network system

#38
20110076978
2011-03-31

Filter device for detecting and/or removing erroneous components in and/or from a signal

#39
20100052733
2010-03-04

Comparator circuit for generating binarized data

#40
20100014613
2010-01-21

Demodulation of a digitally frequency-modulated analog received signal by evaluation of the time intervals between the zero crossings

#41
20100008457
2010-01-14

Method and computer program for identifying a transition in a phase-shift keying or frequency-shift keying signal

#42
20090185640
2009-07-23

DEMODULATION CIRCUIT, DIGITAL MICROWAVE SYSTEM AND DEMODULATION METHOD

#43
20090168857
2009-07-02

Micro-controller with FSK modem

#44
20090096519
2009-04-16

Configurable demodulator and demodulation method

#45
20090002035
2009-01-01

Comparator circuit

#46
20070248192
2007-10-25

Data slicer circuit, demodulation stage, receiving system and method for demodulating shift key coded signals

#47
20070189422
2007-08-16

Radio demodulation circuit

#48
20070160170
2007-07-12

Detector for detecting a frequency-shift keying signal by digital processing

#49
20070153947
2007-07-05

Method and computer program for identifying a transition in a phase-shift keying or frequency-shift keying signal

#50
20070129904
2007-06-07

Automation device

#51
20060261883
2006-11-23

FSK demodulator

#52
20060222089
2006-10-05

System for multiplexing independent signals

#53
20060209967
2006-09-21

Method for the Reconstruction of Zero Crossing Information of Noisy Angle-Modulated Signals Following Limiter-Discriminator Signal Processing

#54
20060203940
2006-09-14

Asynchronous ZCD demodulator/decoder

#55
20060046675
2006-03-02

Converter circuit for a limiter receiver structure and method for converting a signal in a limiter receiver structure

#56
20060008033
2006-01-12

Demodulation of a frequency-modulated received signal by mapping the zero crossings to a sequence of parameter values

#57
20050276353
2005-12-15

Integer cycle event detection using wavelet pass filter system and method

#58
20050058226
2005-03-17

Demodulation of a frequency modulated received signal by means of two-stage path selection in a trellis diagram

#59
20050058225
2005-03-17

Demodulation of a digitally frequency-modulated analog received signal by evaluation of the time intervals between the zero crossings

#60
20050018752
2005-01-27

Chirping digital wireless system

#61
20050012544
2005-01-20

Non-coherent FSK demodulator

#62
15919745
2019-07-09

Carrier frequency offset compensation circuit and process for a communications receiver

#63
15835086
2018-11-27

M-ARY frequency presence modulation communication system and method

#64
14694927
2015-12-29

FSK demodulator