ClassID:

220542

H03H2009/02204 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details; Tuning of film bulk acoustic resonators [FBAR]; Electrically tuning operating on an additional circuit element, e.g. applying a tuning DC voltage to a passive circuit element connected to the resonator

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

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

#2
20240088869
2024-03-14

FREQUENCY-TUNABLE FILM BULK ACOUSTIC RESONATOR AND PREPARATION METHOD THEREFOR

#3
20230142184
2023-05-11

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

#4
20210099151
2021-04-01

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

#5
20190393853
2019-12-26

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

#6
20190372555
2019-12-05

Effective coupling coefficients for strained single crystal epitaxial film bulk acoustic resonators

#7
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

#8
20190181907
2019-06-13

System and method for a radio frequency filter

#9
20190181839
2019-06-13

System and method for a radio frequency filter

#10
20190181837
2019-06-13

System and method for a radio frequency filter

#11
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#12
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#13
20190181832
2019-06-13

System and method for a radio frequency filter

#14
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

#15
20190181825
2019-06-13

System and method for a radio frequency filter

#16
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

#17
20180123563
2018-05-03

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

#18
20180013403
2018-01-11

Low-loss tunable radio frequency filter

#19
20180006628
2018-01-04

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

#20
20170302243
2017-10-19

Filter circuit, RF front end circuit, and communication apparatus

#21
20170264257
2017-09-14

Method for producing a batch of acoustic wave filters

#22
20170244385
2017-08-24

Acoustic wave filter and method for manufacturing the same

#23
20170085249
2017-03-23

Low-loss tunable radio frequency filter

#24
20160359469
2016-12-08

Tunable electroacoustic RF filter with improved electric properties and method for operating such a filter

#25
20160204755
2016-07-14

Resonator device and high frequency filter

#26
20160173057
2016-06-16

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

#27
20160094199
2016-03-31

Resonant circuit with variable frequency and impedance

#28
20160028361
2016-01-28

Low-loss tunable radio frequency filter

#29
20160020750
2016-01-21

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

#30
20150357985
2015-12-10

Low-loss tunable radio frequency filter

#31
20150244345
2015-08-27

Tunable filter structures and design structures

#32
20140340173
2014-11-20

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

#33
20140085020
2014-03-27

Acoustic structure comprising at least one resonator and at least one cointegrated capacitor in one and the same piezoelectric or ferroelectric layer

#34
20130113577
2013-05-09

Tunable filter structures and design structures

#35
20120313731
2012-12-13

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

#36
20120286900
2012-11-15

Tunable filter

#37
20120206996
2012-08-16

Transponder having coupled resonant modes and including a variable load

#38
20120038437
2012-02-16

Low-loss tunable radio frequency filter

#39
20120013414
2012-01-19

CRYSTAL OSCILLATOR CIRCUIT FOR ADJUSTING RESONANT FREQUENCY OF CRYSTAL OSCILLATOR

#40
20110068879
2011-03-24

Low-loss tunable radio frequency filter

#41
20100315170
2010-12-16

Methods and apparatus for tuning devices having resonators

#42
20100308931
2010-12-09

Methods and apparatus for tuning devices having mechanical resonators

#43
20100308927
2010-12-09

Methods and apparatus for tuning devices having mechanical resonators

#44
20100060380
2010-03-11

Low-loss tunable radio frequency filter

#45
20090273416
2009-11-05

Frequency-variable acoustic thin film resonator, filter and communication apparatus using the same

#46
20090174503
2009-07-09

Integrable tunable filter circuit comprising a set of BAW resonators

#47
20090039981
2009-02-12

System and method for controlling resonance frequency of film bulk acoustic resonator devices

#48
20080309430
2008-12-18

Low-loss tunable radio frequency filter

#49
20080024244
2008-01-31

Filtering circuit fitted with acoustic resonators

#50
20070209176
2007-09-13

Method of manufacturing a voltage controlled oscillator

#51
20070035365
2007-02-15

Integrable tunable filter circuit comprising a set of BAW resonators

#52
20070035350
2007-02-15

Circuit arrangement for generating a reference signal

#53
20050189999
2005-09-01

Integrated electronic circuit comprising a tunable resonator

#54
20050174199
2005-08-11

Integrable acoustic resonator and method for integrating such resonator

#55
20050174198
2005-08-11

Electronic circuit comprising a resonator to be integrated into a semiconductor product

#56
20050099236
2005-05-12

Voltage controlled oscillator