ClassID:

221105

H03H2210/036 - CPC Classification

Classification description:

Indexing scheme relating to details of tunable filters; Type of tuning Stepwise

Recent Application in this class:
#1
20250167753
2025-05-22

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

#2
20250150052
2025-05-08

ADAPTIVE TUNING NETWORKS WITH DIRECT MAPPED MULTIPLE CHANNEL FILTER TUNING

#3
20240274551
2024-08-15

Integrated tunable filter architecture

#4
20240128945
2024-04-18

Adaptive tuning networks with direct mapped multiple channel filter tuning

#5
20230142184
2023-05-11

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

#6
20220231654
2022-07-21

Adaptive tuning networks with direct mapped multiple channel filter tuning

#7
20220173058
2022-06-02

Integrated tunable filter architecture

#8
20220085794
2022-03-17

Configurable micro-acoustic RF filter

#9
20210099151
2021-04-01

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

#10
20200412517
2020-12-31

Systems and methods for minimizing insertion loss in a multi-mode communications system

#11
20200321935
2020-10-08

Adaptive tuning networks with direct mapped multiple channel filter tuning

#12
20200111756
2020-04-09

Integrated tunable filter architecture

#13
20190393853
2019-12-26

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

#14
20190181838
2019-06-13

Filter device, radio-frequency front-end circuit, and communication apparatus

#15
20190181833
2019-06-13

Acoustic wave filter device, multiplexer, radio frequency front-end circuit, and communication device

#16
20190165920
2019-05-30

Systems and methods for minimizing insertion loss in a multi-mode communications system

#17
20190165765
2019-05-30

Filter device and multiplexer

#18
20190036508
2019-01-31

Variable frequency filter, radio frequency front-end circuit, and communication terminal

#19
20190013790
2019-01-10

Adaptive tuning networks with direct mapped multiple channel filter tuning

#20
20180316076
2018-11-01

Low pass filter

#21
20180234078
2018-08-16

Tunable filter, radio frequency front-end circuit, and communication apparatus

#22
20180226946
2018-08-09

Filter module and front-end module including the same

#23
20180123563
2018-05-03

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

#24
20180013410
2018-01-11

Window function processing module

#25
20180006628
2018-01-04

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

#26
20180005966
2018-01-04

Integrated tunable filter architecture

#27
20170163402
2017-06-08

Systems and methods for minimizing insertion loss in a multi-mode communications system

#28
20160248319
2016-08-25

Resonance detection and filtering circuitry

#29
20160233846
2016-08-11

Integrated calibration circuit and a method for calibration of a filter circuit

#30
20160173057
2016-06-16

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

#31
20160020892
2016-01-21

Systems and methods for minimizing insertion loss in a multi-mode communications system

#32
20160020750
2016-01-21

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

#33
20150236671
2015-08-20

Integrated tunable filter architecture

#34
20150235971
2015-08-20

Integrated tunable filter architecture

#35
20150229294
2015-08-13

Voltage controlled impedance synthesizer

#36
20140355172
2014-12-04

High linearity variable capacitor array

#37
20140354377
2014-12-04

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

#38
20140354370
2014-12-04

Signal handling apparatus for radio frequency circuits

#39
20140340173
2014-11-20

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

#40
20140184356
2014-07-03

Semiconductor device and adjustment method of filter circuit

#41
20140070905
2014-03-13

Wide range continuously tunable capacitor bank

#42
20130344835
2013-12-26

Mobile communication device

#43
20130250819
2013-09-26

Carrier aggregation front end architecture

#44
20130249505
2013-09-26

DC-DC converter enabling rapid output voltage changes

#45
20130064064
2013-03-14

Systems and methods for minimizing insertion loss in a multi-mode communications system

#46
20130033307
2013-02-07

High accuracy RC calibradion circuit

#47
20130027154
2013-01-31

FILTER CAPABLE OF ADJUSTING FREQUENCY RESPONSE

#48
20120313731
2012-12-13

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

#49
20120293233
2012-11-22

Broadband analog radio-frequency integrator

#50
20120288045
2012-11-15

SIGNAL RECEIVING APPARATUS AND METHOD OF CONTROLLING FILTERS IN SIGNAL RECEIVING APPARATUS

#51
20120171978
2012-07-05

Methods and systems for interference rejection for low signals

#52
20120025904
2012-02-02

Area-optimized analog filter with bandwidth control by a quantized scaling function

#53
20110170628
2011-07-14

Filter, and transmitter and receiver having the same

#54
20110163824
2011-07-07

Electronic circuit and electronic device

#55
20110026507
2011-02-03

Filter circuit and receiver using the same

#56
20110001573
2011-01-06

Frequency hopping band-stop filter

#57
20100201438
2010-08-12

Notch filter and apparatus for receiving and transmitting radio-frequency signals incorporating same

#58
20100195000
2010-08-05

CONTROL METHOD OF FREQUENCY VARIABLE FILTER CIRCUIT AND RECEIVING APPARATUS

#59
20100090778
2010-04-15

Radio frequency filter

#60
20100074550
2010-03-25

Multi format video filter design

#61
20090275305
2009-11-05

High linearity tunable bandpass filter

#62
20090197561
2009-08-06

High linearity tunable bandpass filter

#63
20090140701
2009-06-04

Auto-averaging RC time constant calibration

#64
20090117867
2009-05-07

SCALABLE BANDWIDTH SYSTEM AND METHOD OF CONTROLLING TUNABLE FILTER

#65
20080221823
2008-09-11

Calibration circuit for calibrating an adjustable capacitance of an integrated circuit having a time constant depending on said capacitance

#66
20080096514
2008-04-24

Controlling the bandwidth of an analog filter

#67
20080088364
2008-04-17

Method for calibrating a filter, a calibrator and system including the same

#68
20080085694
2008-04-10

High linearity tunable bandpass filter

#69
20070262813
2007-11-15

Filter calibration with cell re-use

#70
20070105521
2007-05-10

Notch filter and apparatus for receiving and transmitting radio-frequency signals incorporating same

#71
20050025258
2005-02-03

Multi-range transconductor and method of operation

#72
20050024252
2005-02-03

Method and system for filter tuning using a digital trim value

#73
16009329
2019-04-23

IC structure with adjustable inductance and capacitance and related method