H03D3/26 - CPC Classification Index

ClassID:

218997 ⎘

H03D3/26 - CPC Classification

Classification description:

Demodulation of angle-, frequency- or phase- modulated oscillations by means of sloping amplitude/frequency characteristic of tuned or reactive circuit

Recent Application in this class:

20230370313

2023-11-16

METHODS AND APPARATUS FOR PHASE CHANGE DETECTION USING A RESONATOR

20230208401

2023-06-29

Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals

20210297064

2021-09-23

Filter that minimizes in-band noise and maximizes detection sensitivity of exponentially-modulated signals

20210021449

2021-01-21

Methods and apparatus for phase change detection using a resonator

20140219393

2014-08-07

Method for modulating navigation signal

20140050252

2014-02-20

Apparatus and method for ultra wideband communication using dual band pass filter

20120270515

2012-10-25

Demodulator of a frequency-modulated electrical signal

20120126327

2012-05-24

Resonator having terminals and a method for manufacturing the resonator

20070109041

2007-05-17

FM detector circuit with unbalanced/balanced conversion

#10

20070058753

2007-03-15

BPSK demodulator circuit using an anti-parallel synchronization loop

#11

20060226897

2006-10-12

Differential slope demodulator for low-IF frequencies