ClassID:

220794

H03H9/60 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters comprising resonators of piezo-electric or electrostrictive material; Multiple crystal filters Electric coupling means therefor

Sub-classes:
Recent Application in this class:
#1
20260121617
2026-04-30

DEVICE WITH PIEZOELECTRIC FILM ON SEMICONDUCTOR SUBSTRATE

#2
20240413809
2024-12-12

TUNABLE COUPLED RESONATOR FILTER STRUCTURE

#3
20240333259
2024-10-03

COUPLED RESONATOR FILTER TUNING CIRCUIT

#4
20240178816
2024-05-30

BULK ACOUSTIC WAVE FILTER WITH SECOND HARMONIC SUPPRESSION

#5
20240178811
2024-05-30

ACOUSTIC WAVE FILTER WITH SECOND HARMONIC EMISSION SUPPRESSION

#6
20230299741
2023-09-21

Bridge-type filters

#7
20230075336
2023-03-09

PACKAGE STRUCTURE AND METHOD FOR MANUFACTURING THE SAME

#8
20230033082
2023-02-02

BULK ACOUSTIC WAVE RESONATOR WITH AN INTEGRATED PASSIVE DEVICE FABRICATED USING BUMP PROCESS

#9
20220149816
2022-05-12

RF filter with increased bandwidth and filter component

#10
20220069800
2022-03-03

Acoustic resonator filter

#11
20210218386
2021-07-15

Phase shift structures for acoustic resonators

#12
20210218385
2021-07-15

Mode suppression in acoustic resonators

#13
20200035654
2020-01-30

Package structure and method for manufacturing the same

#14
20190348965
2019-11-14

Bulk acoustic wave resonator and filter including the same

#15
20190341899
2019-11-07

Acoustic resonator structure

#16
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

#17
20190181907
2019-06-13

System and method for a radio frequency filter

#18
20190181839
2019-06-13

System and method for a radio frequency filter

#19
20190181837
2019-06-13

System and method for a radio frequency filter

#20
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#21
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#22
20190181832
2019-06-13

System and method for a radio frequency filter

#23
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

#24
20190181825
2019-06-13

System and method for a radio frequency filter

#25
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

#26
20180294796
2018-10-11

Filter and filter module

#27
20180076794
2018-03-15

Acoustic filter using acoustic coupling

#28
20180076793
2018-03-15

Acoustic filter employing inductive coupling

#29
20180062620
2018-03-01

Bulk-acoustic wave filter device

#30
20170373665
2017-12-28

Bulk acoustic wave resonator and filter including the same

#31
20170244385
2017-08-24

Acoustic wave filter and method for manufacturing the same

#32
20150155852
2015-06-04

Filter using BAWRs and L/C elements connected to the BAWRs

#33
20120004016
2012-01-05

FILTERING CIRCUIT WITH COUPLED BAW RESONATORS AND HAVING IMPEDANCE MATCHING ADAPTATION

#34
20110267155
2011-11-03

Filter element, duplexer and electronic device having piezoelectric thin-film resonators stacked vertically

#35
20110193656
2011-08-11

Electro-acoustic filter

#36
20110047783
2011-03-03

METHOD OF MANUFACTURING VERTICALLY SEPARATED ACOUSTIC FILTERS AND RESONATORS

#37
20100301968
2010-12-02

Power amplifier filter for radio-frequency signals

#38
20090096550
2009-04-16

Bulk acoustic wave device

#39
20090096549
2009-04-16

Apparatus with acoustically coupled BAW resonators and a method for matching impedances

#40
20090086654
2009-04-02

Single stack coupled resonators having differential output

#41
20090079520
2009-03-26

ACOUSTICALLY COUPLED RESONATORS HAVING RESONANT TRANSMISSION MINIMA

#42
20090079514
2009-03-26

HYBRID ACOUSTIC RESONATOR-BASED FILTERS

#43
20080297278
2008-12-04

Bulk acoustic wave device with coupled resonators

#44
20080252398
2008-10-16

Bulk acoustic wave (BAW) filter having reduced second harmonic generation and method of reducing second harmonic generation in a BAW filter

#45
20080136563
2008-06-12

Electromagnetic composite metamaterial

#46
20080129416
2008-06-05

Switchable filter with resonators

#47
20080048802
2008-02-28

Piezoelectric component and method for producing it

#48
20070171002
2007-07-26

Dual path acoustic data coupling system and method

#49
20070170815
2007-07-26

Acoustic data coupling system and method

#50
20070086080
2007-04-19

Acoustic galvanic isolator incorporating series-connected decoupled stacked bulk acoustic resonators

#51
20070080759
2007-04-12

Impedance matching and parasitic capacitor resonance of FBAR resonators and coupled filters

#52
20060284707
2006-12-21

Suspended device and method of making

#53
20060273866
2006-12-07

Film bulk acoustic wave resonator with differential topology

#54
20060158284
2006-07-20

Method of manufacturing vertically separated acoustic filters and resonators

#55
20060152305
2006-07-13

Vertically separated acoustic filters and resonators

#56
20060091978
2006-05-04

Acoustically coupled thin-film resonators having an electrode with a tapered edge

#57
20060066175
2006-03-30

Piezoelectric resonator, method for manufacturing the same, piezoelectric filter, and duplexer

#58
20060016070
2006-01-26

Vertically separated acoustic filters and resonators

#59
20050184830
2005-08-25

Vertically separated acoustic filters and resonators

#60
20050151600
2005-07-14

Piezoelectric thin-film resonator, piezoelectric filter, and electronic component including the piezoelectric filter

#61
20050030126
2005-02-10

Filter device utilizing stacked resonators and acoustic coupling and branching filter using same