ClassID:

223362

H04B1/1676 - CPC Classification

Classification description:

Details of transmission systems, not covered by a single one of groups - ; Details of transmission systems not characterised by the medium used for transmission; Receivers; Circuits adapted for the reception of stereophonic signals; Reduction of noise by manipulation of the baseband composite stereophonic signal or the decoded left and right channels of the demodulated composite stereo signal of the sum or difference signal

Recent Application in this class:
#1
20240340030
2024-10-10

DIGITAL CANCELLATION OF CIM3 DISTORTION FOR DIGITAL TRANSMITTERS

#2
20240267195
2024-08-08

FULL DUPLEX ADAPTIVE ARRAY

#3
20230299802
2023-09-21

Receiver circuitry having a transistor pair for input voltage clipping

#4
20230163798
2023-05-25

DETERMINING LO LEAKAGE AND QUADRATURE ERROR PARAMETERS OF AN RF FRONT END

#5
20230163790
2023-05-25

Digital radio frequency transmitter and wireless communication device including the same

#6
20220302943
2022-09-22

LOW POWER HIGH SENSITIVITY SENSE AMPLIFIER LATCH WITH COMPLIMENTARY OUTPUTS IN RESET MODE

#7
20210409054
2021-12-30

Method of demodulation of a stereophonic signal

#8
20210367624
2021-11-25

Digital radio frequency transmitter and wireless communication device including the same

#9
20210126359
2021-04-29

Data processing method and apparatus with wireless communication system including intelligent reflecting surface

#10
20210075458
2021-03-11

Receiver circuit and receiving system

#11
20200194024
2020-06-18

Receiving device and receiving method

#12
20200177220
2020-06-04

Digital stereo multiplexing-demultiplexing system based on linear processing of a Delta - Sigma modulated bit-stream

#13
20180018976
2018-01-18

Stereo-phonic frequency modulation receiver and method for separating dual sound channels

#14
20160173987
2016-06-16

Systems and methods for independent and control-isolated audio processing (ICIAP)

#15
20160020798
2016-01-21

SYSTEMS AND METHODS FOR ENHANCING AUDIO QUALITY OF FM RECEIVERS

#16
20140235192
2014-08-21

Prediction-based FM stereo radio noise reduction

#17
20140226822
2014-08-14

High quality detection in FM stereo radio signal

#18
20130195164
2013-08-01

Systems and methods for enhancing audio quality of FM receivers

#19
20130182851
2013-07-18

Processor for an FM signal receiver and processing method

#20
20130142340
2013-06-06

Concealment of intermittent mono reception of FM stereo radio receivers

#21
20130142339
2013-06-06

Reduction of spurious uncorrelation in FM radio noise

#22
20130028425
2013-01-31

Stereo decoding system

#23
20120224699
2012-09-06

FM receiver noise reduction

#24
20110275339
2011-11-10

Methods and systems for blending between stereo and mono in a FM receiver

#25
20110044414
2011-02-24

Mitigating radio receiver multipath noise

#26
20100292992
2010-11-18

METHOD AND APPARATUS FOR MULTIPLEX SIGNAL DECODING

#27
20090203344
2009-08-13

Methods and systems for stereo noise mitigation

#28
20070297622
2007-12-27

Noise canceler and receiving apparatus using the same

#29
20070058817
2007-03-15

Radio receiver with stereo decoder and method for use therewith

#30
20060280310
2006-12-14

Noise reduction in a stereo receiver

#31
20060013404
2006-01-19

Stereo demodulator circuit

#32
20060008090
2006-01-12

Separation adjusting circuit

#33
17544210
2022-10-18

Calibration signal generation for a sampling analog to digital converter