H03H2240/00 - CPC Classification Index

#1

20250167753

2025-05-22

METHOD, SYSTEM, AND APPARATUS FOR RESONATOR CIRCUITS AND MODULATING RESONATORS

#2

20230142184

2023-05-11

Method, system, and apparatus for resonator circuits and modulating resonators

#3

20210099151

2021-04-01

Method, system, and apparatus for resonator circuits and modulating resonators

#4

20190393853

2019-12-26

Method, system, and apparatus for resonator circuits and modulating resonators

#5

20190207587

2019-07-04

Discrete time IIR filter with high stop band rejection

#6

20180123563

2018-05-03

Method, System, and Apparatus for Resonator Circuits and Modulating Resonators

#7

20180006628

2018-01-04

Method, system, and apparatus for resonator circuits and modulating resonators

#8

20160322996

2016-11-03

Multiband filter for non-contiguous channel aggregation

#9

20160268998

2016-09-15

Acoustic filter device with combined passband

#10

20160173057

2016-06-16

Method, system, and apparatus for resonator circuits and modulating resonators

#11

20160056765

2016-02-25

Frequency selective isolation circuit and method for suppressing parametric oscillation

#12

20160020750

2016-01-21

Method, system, and apparatus for resonator circuits and modulating resonators

#13

20150365732

2015-12-17

Legacy converter filter with extended frequency range

#14

20150304059

2015-10-22

Frequency multiplexer

#15

20150288392

2015-10-08

Tunable filter employing feedforward cancellation

#16

20150130558

2015-05-14

Filter device and duplexer

#17

20150042313

2015-02-12

Circuit, device, and method to measure biosignal using common mode driven shield

#18

20140355172

2014-12-04

High linearity variable capacitor array

#19

20140354377

2014-12-04

Vector inductor having multiple mutually coupled metalization layers providing high quality factor

#20

20140354370

2014-12-04

Signal handling apparatus for radio frequency circuits

#21

20140340173

2014-11-20

Method, system, and apparatus for resonator circuits and modulating resonators

#22

20130216062

2013-08-22

Hearing apparatus having an adaptive filter and method for filtering an audio signal

#23

20120313731

2012-12-13

Method, system, and apparatus for resonator circuits and modulating resonators

#24

20120286894

2012-11-15

Communications filter package for narrowband and wideband signal waveforms

#25

20120286893

2012-11-15

Tactical radio transceiver with intermediate frequency (IF) filter package for narrowband and wideband signal waveforms

#26

20110221536

2011-09-15

MEMS device and oscillator

#27

20110169589

2011-07-14

Reconfigurable filter apparatus

#28

20110051782

2011-03-03

Method, system and apparatus for wideband signal processing

#29

20110039502

2011-02-17

MULTIPLE RESPONSE FILTERING APPARATUS

#30

20100311383

2010-12-09

Ultra-wideband tunable filters based on multi-resolution band-selection

#31

20100164649

2010-07-01

Apparatus and method for improving channel filter selectivity and performance using voltage variable impedance elements

#32

20100026424

2010-02-04

Attenuation element

#33

20090206923

2009-08-20

FILTER SWITCHING DEVICE AND FILTER SWITCHING METHOD

#34

20070296305

2007-12-27

Frequency coded sensors incorporating tapers

#35

20070123199

2007-05-31

Filter arrangement and method for filtering a signal

#36

20060038611

2006-02-23

Differential filter topology with dielectric absorption cancellation for a data acquisition device