ClassID:

218971

H03D3/002 - CPC Classification

Classification description:

Demodulation of angle-, frequency- or phase- modulated oscillations; Details of arrangements applicable to more than one type of frequency demodulator Modifications of demodulators to reduce interference by undesired signals

Recent Application in this class:
#1
20260121619
2026-04-30

CIRCUIT OF DRIFT DETECTION IN ELECTRIC SIGNAL FILTERS, CORRESPONDING DEVICE AND METHOD

#2
20230140647
2023-05-04

Local oscillator switching control for a very low intermediate frequency receiver

#3
20190265036
2019-08-29

Quadrature ADC feedback compensation for capacitive-based MEMS gyroscope

#4
20190081831
2019-03-14

Signal cancellation system and method

#5
20190058621
2019-02-21

Peak to average power ratio reduction in multichannel digital front-ends (DFES)

#6
20170230221
2017-08-10

Peak to average power ratio reduction in multichannel digital front-ends (DFES)

#7
20150295604
2015-10-15

Very low intermediate frequency (VLIF) receiver and a method of controlling a VLIF receiver

#8
20150109053
2015-04-23

Method for separating multi-component signals

#9
20140154991
2014-06-05

Low noise detection system using log detector amplifier

#10
20140150554
2014-06-05

Medium communication system using log detector amplifier

#11
20100144301
2010-06-10

Low IF radio receiver

#12
20100136916
2010-06-03

Orthogonal cross polarization interference compensating device, demodulator, receiving station, and method of compensating cross-polarization interference

#13
20100098197
2010-04-22

Method and apparatus for detection and cancellation of single-tone or multi-tone interference in communication systems

#14
20100093297
2010-04-15

FM receiver

#15
20080194302
2008-08-14

MOBILE PHONE WITH AN ANTENNA STRUCTURE HAVING IMPROVED PERFORMANCE

#16
20080194288
2008-08-14

INTEGRATED CIRCUIT INCLUDING PACKET NETWORK TRANSCEIVERS AND FM RECEIVER WITH FM ANTENNA CONTROL

#17
20080194219
2008-08-14

FM receiver with digitally controlled antenna tuning circuitry

#18
20080192807
2008-08-14

Limiting audible noise introduction through FM antenna tuning

#19
20070211830
2007-09-13

Impulse detection and reduction in a frequency modulation radio receiver

#20
20070165748
2007-07-19

Low IF radio receiver

#21
20060215775
2006-09-28

Digital cancellation of radio frequency interference

#22
20060193390
2006-08-31

Methods and apparatuses for canceling correlated noise in a multi-carrier communication system