ClassID:

225941

H04L27/152 - CPC Classification

Classification description:

Modulated-carrier systems; Frequency-modulated carrier systems, i.e. using frequency-shift keying; Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements

Sub-classes:
Recent Application in this class:
#1
20250310161
2025-10-02

TRANSCEIVER DEVICE AND METHOD THEREOF

#2
20250184194
2025-06-05

MULTI-GIGABIT PER SECOND FREQUENCY-SHIFT KEYING (FSK) TRANSCEIVER

#3
20220400039
2022-12-15

DEVICE AND METHOD FOR TRANSMITTING DATA

#4
20220200782
2022-06-23

Methods and devices for asymmetric frequency spreading

#5
20220006676
2022-01-06

Frequency modulation demodulation device and control method of frequency modulation demodulation device

#6
20210391877
2021-12-16

Electronic device for performing carrier aggregation using plurality of carrier frequencies via switch and operating method thereof

#7
20200313680
2020-10-01

Non-contact phase-locked and self-injection-locked vital sign sensor

#8
20200195354
2020-06-18

DSP-free coherent receiver

#9
20200112465
2020-04-09

Phase locked loop frequency shift keying demodulator using an auxiliary charge pump and a differential slicer

#10
20190386688
2019-12-19

Electronic device for performing carrier aggregation using plurality of carrier frequencies via switch and operating method thereof

#11
20190312651
2019-10-10

Modified Sagnac loop coherent phase modulated RF photonic link

#12
20190296949
2019-09-26

Receiver, reception method for receiving FSK signals

#13
20190260443
2019-08-22

Phase locked loop, phase locked loop arrangement, transmitter and receiver and method for providing an oscillator signal

#14
20190190525
2019-06-20

Locked loop circuit with configurable second error input

#15
20190157015
2019-05-23

RF-powered micromechanical clock generator

#16
20190028910
2019-01-24

Compensating for oscillator drift in wireless mesh networks

#17
20190028109
2019-01-24

Phase locked loop (PLL)

#18
20180269912
2018-09-20

Methods for avoiding inter-modulation distortion and communications apparatuses utilizing the same

#19
20180234232
2018-08-16

Trim for dual-port frequency modulation

#20
20180198653
2018-07-12

Circuits for amplitude demodulation and related methods

#21
20180145853
2018-05-24

Zero-quiescent power receiver

#22
20180131398
2018-05-10

Methods for avoiding inter-modulation distortion and communications apparatuses utilizing the same

#23
20180091241
2018-03-29

Transmitter performance calibration systems and methods

#24
20180034468
2018-02-01

Digital, reconfigurable frequency and delay generator with phase measurement

#25
20180013455
2018-01-11

Polar transmitter and method for generating a transmit signal using a polar transmitter

#26
20170302358
2017-10-19

Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver

#27
20170237588
2017-08-17

Signal processing apparatus and method

#28
20170237549
2017-08-17

Direct digital frequency generation using time and amplitude

#29
20170170872
2017-06-15

Radio frequency interconnect having a preamble generator

#30
20170170837
2017-06-15

Radio communication device and radio communication method

#31
20170163408
2017-06-08

Frequency acquisition for serdes receivers

#32
20170141780
2017-05-18

Wireless radio-frequency transmission apparatus

#33
20170134198
2017-05-11

Radio communication device and radio communication method

#34
20170078083
2017-03-16

Tracking of signals with at least one subcarrier

#35
20170047987
2017-02-16

Systems and methods for performing shape estimation using sun sensors in large-scale space-based solar power stations

#36
20170047463
2017-02-16

Systems and methods for controlling supply voltages of stacked power amplifiers

#37
20160352550
2016-12-01

Apparatus and method for changing frequency deviation

#38
20160330015
2016-11-10

Frequency acquisition for serdes receivers

#39
20160277223
2016-09-22

Carrier frequency offset processing method and apparatus and receiver

#40
20160261401
2016-09-08

Direct digital frequency generation using time and amplitude

#41
20160191138
2016-06-30

Multiple antenna distributed radio system

#42
20160094371
2016-03-31

ERROR DETECTOR AND METHOD FOR DETECTING ERROR OF AN OSCILLATOR

#43
20160065360
2016-03-03

RADIO COMMUNICATION APPARATUS

#44
20160020789
2016-01-21

Wireless communication device, electronic apparatus, and moving object

#45
20150365115
2015-12-17

Active signal processing personal health signal receivers

#46
20150349992
2015-12-03

Phase-locked loop frequency calibration method and system

#47
20150333815
2015-11-19

Multi-way diversity receiver with multiple synthesizers in a carrier aggregation transceiver

#48
20150222464
2015-08-06

System for direct conversion receivers

#49
20150215051
2015-07-30

Mixer and mixing method

#50
20150137883
2015-05-21

Adaptive FM demodulator supporting multiple modes

#51
20140270004
2014-09-18

Method and apparatus for compensating for frequency errors between base station and mobile station

#52
20120082247
2012-04-05

System and method for phase detection

#53
20100316158
2010-12-16

Active signal processing personal health signal receivers

#54
20100296569
2010-11-25

Digital demodulating apparatus for timing error detection

#55
20090167428
2009-07-02

Combined phase-locked loop and amplitude-locked loop module for switching FM signals

#56
20090086856
2009-04-02

Reception frequency control circuit

#57
20070036238
2007-02-15

High pass modulation of a phase locked loop

#58
20060120472
2006-06-08

System and method for multi-carrier modulation

#59
20050226348
2005-10-13

Frequency staggered frequency shift keying modulation

#60
18424362
2025-08-19

System and method of performing channel sounding for modeling ultrawideband radio frequency channels

#61
18082089
2024-01-02

Systems and methods for frequency domain local oscillator frequency offset compensation

#62
16818151
2020-11-24

Low power, low latency, high duty cycle scan for Bluetooth Low Energy

#63
16775571
2020-06-09

Cross-mixing beamformer

#64
15363075
2017-08-22

Link training to recover asynchronous clock timing margin loss in parallel input/output interfaces

#65
15200910
2017-09-26

Gain calibration for digitally controlled oscillator in fast locking phase locked loops

#66
15191509
2017-08-01

Frequency control circuit, frequency control method and phase locked loop circuit

#67
15186006
2018-06-05

Numerically controlled oscillator for fractional burst clock data recovery applications

#68
15164830
2017-06-27

Signal transmitter capable of reducing noise