H03H9/1452 - CPC Classification Index

ClassID:

220694 ⎘

H03H9/1452 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details; Driving means, e.g. electrodes, coils for networks using surface acoustic waves; Means for weighting by finger overlap length, apodisation

Recent Application in this class:

20250080079

2025-03-06

ACOUSTIC WAVE DEVICE

20240313739

2024-09-19

ACOUSTIC WAVE DEVICE WITH MULTI-PERIOD ARCCOSINE APODIZATION

20220216850

2022-07-07

Acoustic wave device, filter device, and multiplexer

20220109419

2022-04-07

Cascaded surface acoustic wave devices with apodized interdigital transducers

20210376813

2021-12-02

Slanted apodization for acoustic wave devices

20210006225

2021-01-07

Low loss temperature compensated surface acoustic wave filter and duplexer

20200162052

2020-05-21

Surface acoustic wave device

20200067489

2020-02-27

Acoustic wave filter device, multiplexer and composite filter device

20190334499

2019-10-31

ELASTIC WAVE DEVICE

#10

20190089328

2019-03-21

SAW COMPONENT WITH REDUCED DISTURBANCES BY TRANSVERSAL AND SH MODES AND HF FILTER WITH SAW COMPONENT

#11

20180209857

2018-07-26

WIRELESS TEMPERATURE SENSOR BASED CHIP

#12

20180102760

2018-04-12

Slanted apodization for acoustic wave devices

#13

20170250674

2017-08-31

Elastic wave detection

#14

20170244384

2017-08-24

Elastic wave resonators and filters

#15

20170201232

2017-07-13

Acoustic wave device and method of fabricating the same

#16

20160182010

2016-06-23

Acoustic wave device

#17

20160149556

2016-05-26

Tunable filter

#18

20160056791

2016-02-25

Elastic wave resonator including a constant pitch region with a tapering width

#19

20150288346

2015-10-08

Elastic wave resonators, and elastic wave filters, antenna duplexers, modules and communication devices using same

#20

20150070227

2015-03-12

Acoustic wave element, branching filter and communication module

#21

20150070108

2015-03-12

Elastic wave filter

#22

20140361850

2014-12-11

Resonator, filter, and duplexer

#23

20140145557

2014-05-29

Acoustic wave element and acoustic wave device using same

#24

20140015624

2014-01-16

Acoustic wave element and acoustic wave device using same

#25

20130314178

2013-11-28

Ladder filter device and elastic wave resonator

#26

20130257562

2013-10-03

Acoustic wave filter having reduced non-linearities, and method for production

#27

20130200960

2013-08-08

Component working with acoustic waves having reduced temperature coefficient of frequencies and method for producing same

#28

20130088305

2013-04-11

Ladder acoustic wave filter device and branching filter

#29

20120161577

2012-06-28

Acoustic wave guide device and method for minimizing trimming effects and piston mode instabilities

#30

20120139662

2012-06-07

Elastic wave element, and electrical apparatus and duplexer using same

#31

20120068787

2012-03-22

Elastic wave resonator, ladder filter and duplexer

#32

20120044027

2012-02-23

Acoustic wave resonator and duplexer using same

#33

20120032753

2012-02-09

Antenna sharer with a ladder filter

#34

20120025931

2012-02-02

Boundary acoustic wave resonator and ladder filter

#35

20110316648

2011-12-29

Elastic-wave ladder filter

#36

20110260805

2011-10-27

Dual-track surface-wave filter

#37

20110095844

2011-04-28

Elastic wave device and ladder filter device

#38

20110068655

2011-03-24

Piston mode acoustic wave device and method providing a high coupling factor

#39

20110050034

2011-03-03

Boundary acoustic wave device

#40

20100237963

2010-09-23

Surface acoustic wave device and duplexer

#41

20100219905

2010-09-02

Surface acoustic wave resonator, and surface acoustic wave filter and antenna duplexer in which the surface acoustic wave resonator is used

#42

20100176900

2010-07-15

Surface acoustic wave resonator and ladder-type filter

#43

20100164646

2010-07-01

Surface acoustic wave device, surface acoustic wave filter and antenna duplexer using the same, and electronic equipment using the same

#44

20100134211

2010-06-03

Transversal filter operating using surface acoustic waves

#45

20100060103

2010-03-11

Surface acoustic wave resonator having comb electrodes with different overlapping lengths

#46

20090322449

2009-12-31

Transversal type filter

#47

20090267707

2009-10-29

Elastic wave device with a dielectric layer on the comb-shaped electrodes

#48

20090121810

2009-05-14

Acoustic wave filter

#49

20080315973

2008-12-25

Surface acoustic wave filter, boundary acoustic wave filter, and antenna duplexer using same

#50

20080309192

2008-12-18

Acoustic wave resonator

#51

20080258843

2008-10-23

Surface acoustic wave passband control

#52

20070296528

2007-12-27

Elastic wave device having an electrode finger with a side edge projection

#53

20070052499

2007-03-08

Balanced type surface acoustic wave filter

#54

20070046400

2007-03-01

Surface acoustic wave apparatus

#55

20070008052

2007-01-11

Surface acoustic wave apparatus

#56

20060131992

2006-06-22

One-port surface acoustic wave resonator and surface acoustic wave filter

#57

20050168302

2005-08-04

Surface acoustic wave device

#58

20050093660

2005-05-05

Filter using piezoelectric material

#59

20050093395

2005-05-05

Surface acoustic wave device