ClassID:

220795

H03H9/605 - page 2 - 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 consisting of a ladder configuration

Recent Application in this class:
#301
20140266510
2014-09-18

Microwave acoustic wave filters

#302
20140218129
2014-08-07

Ladder-type elastic wave filter and antenna duplexer using same

#303
20140191825
2014-07-10

Radio frequency filter and manufacturing method thereof

#304
20140145800
2014-05-29

Acoustic wave band reject filter

#305
20140145799
2014-05-29

Acoustic wave band reject filter

#306
20140111287
2014-04-24

Filter, duplexer and communication module

#307
20140010122
2014-01-09

Reactance filter comprising suppression in the stop band and duplexer component

#308
20130344819
2013-12-26

Versatile communication system and method of implementation using heterogeneous integration

#309
20130335166
2013-12-19

Devices having a tunable acoustic path length and methods for making same

#310
20130335164
2013-12-19

Filter arrangement and method for producing a filter arrangement

#311
20130314174
2013-11-28

Duplexer module

#312
20130307638
2013-11-21

Filter module

#313
20130249644
2013-09-26

Phase shifter using bulk acoustic wave resonator

#314
20130249643
2013-09-26

Radio frequency (RF) filter and RF transceiver using bulk acoustic wave resonator (BAWR)

#315
20130234805
2013-09-12

Resonator, frequency filter, duplexer, electronic device, and method of manufacturing resonator

#316
20130147578
2013-06-13

Duplexer

#317
20130147577
2013-06-13

Filter and duplexer

#318
20130127565
2013-05-23

Duplexer with transmission and reception filters each including resonators formed on different chips

#319
20130109332
2013-05-02

Temperature compensation of acoustic resonators in the electrical domain

#320
20130033337
2013-02-07

ACOUSTIC WAVE FILTER

#321
20130026021
2013-01-31

Method for manufacturing bimorph actuator

#322
20120313726
2012-12-13

Filter, duplexer, communication module and communication device

#323
20120293277
2012-11-22

Filter, duplexer, communication module, communication device

#324
20120286895
2012-11-15

Ladder filter, duplexer and module

#325
20120256706
2012-10-11

Piezoelectric thin film resonator, filter, communication module and communication device

#326
20120200195
2012-08-09

Acoustic wave device with frequency control film

#327
20120194298
2012-08-02

Filter circuit having improved filter characteristic

#328
20120182092
2012-07-19

Acoustic wave device having a frequency control film

#329
20120146744
2012-06-14

Acoustic wave device and method for manufacturing the same

#330
20120139664
2012-06-07

Low pass filter using bulk acoustic wave resonator (BAWR)

#331
20120126913
2012-05-24

Duplexer

#332
20120119848
2012-05-17

Superlattice crystal resonator and its usage as superlattice crystal filter

#333
20120098624
2012-04-26

Bulk acoustic wave filter of ladder-type structure

#334
20120074811
2012-03-29

Acoustic wave devices

#335
20120001704
2012-01-05

Acoustic wave device

#336
20110316649
2011-12-29

Reactance filter having a steep edge

#337
20110304243
2011-12-15

Thin-Film Piezoelectric Acoustic Wave Resonator and High-Frequency Filter

#338
20110298564
2011-12-08

Thin-film piezoelectric resonator and thin-film piezoelectric filter using the same

#339
20110227807
2011-09-22

Filter, duplexer and electronic device

#340
20110210805
2011-09-01

Duplexer and method for increasing the isolation between two filters

#341
20110187478
2011-08-04

Antenna matching circuit

#342
20110102107
2011-05-05

Filter, portable terminal and electronic component

#343
20110102099
2011-05-05

Phase shifter using bulk acoustic wave resonator

#344
20110095844
2011-04-28

Elastic wave device and ladder filter device

#345
20110047783
2011-03-03

METHOD OF MANUFACTURING VERTICALLY SEPARATED ACOUSTIC FILTERS AND RESONATORS

#346
20110032053
2011-02-10

Dual input, dual output BAWR filtering apparatus including a ladder-bridge-ladder configuration

#347
20110001581
2011-01-06

Acoustic wave device

#348
20100237750
2010-09-23

Method of manufacturing thin film resonator

#349
20100188166
2010-07-29

Filter, duplexer and communication module

#350
20100148888
2010-06-17

FILTER, DUPLEXER AND COMMUNICATION APPARATUS

#351
20100141353
2010-06-10

Piezoelectric thin film resonator, filter using the resonator, duplexer using the filter, and communication equipment using the filter or the duplexer

#352
20100117762
2010-05-13

Resonator, filter and electronic device

#353
20100096358
2010-04-22

Method of manufacturing a ladder filter

#354
20100073106
2010-03-25

BAW resonator filter bandwidth and out-of-band frequency rejection

#355
20100052815
2010-03-04

Single cavity acoustic resonators and electrical filters comprising single cavity acoustic resonators

#356
20100019866
2010-01-28

Acoustic wave device, method of manufacturing acoustic wave device and transmission apparatus

#357
20100001813
2010-01-07

Bulk acoustic wave filter device and a method for trimming a bulk acoustic wave filter device

#358
20090322444
2009-12-31

Resonator device, filter including the same, and duplexer

#359
20090289526
2009-11-26

Devices having a tunable acoustic path length and methods for making same

#360
20090273416
2009-11-05

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

#361
20090251235
2009-10-08

Bulk acoustic wave resonator filter being digitally reconfigurable, with process

#362
20090237180
2009-09-24

Band-pass filter device, method of manufacturing same, television tuner, and television receiver

#363
20090128260
2009-05-21

Electrical component

#364
20090079521
2009-03-26

Bulk acoustic wave resonator filter

#365
20080297280
2008-12-04

Integrated coupled resonator filter and bulk acoustic wave devices

#366
20080297279
2008-12-04

Coupled resonator filter with a filter section

#367
20080297278
2008-12-04

Bulk acoustic wave device with coupled resonators

#368
20080290969
2008-11-27

Piezoelectric resonator, piezoelectric filter, and duplexer and communication device using the same

#369
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

#370
20080252397
2008-10-16

BAW resonator filter bandwidth and out-of-band frequency rejection

#371
20080169884
2008-07-17

Thin film bulk acoustic wave resonator and filter, and radio frequency module using them

#372
20080129417
2008-06-05

Ladder type filter

#373
20080116993
2008-05-22

Piezoelectric Filter, and Duplexer and Communications Apparatus Using the Same

#374
20080079516
2008-04-03

HBAR oscillator and method of manufacture

#375
20080074005
2008-03-27

Piezoelectric thin film device and method for manufacturing the same

#376
20080072408
2008-03-27

Piezoelectric thin film device and method for manufacturing the same

#377
20080055020
2008-03-06

Acoustic resonator

#378
20080051039
2008-02-28

Film bulk acoustic wave resonator and method for manufacturing the same

#379
20080024042
2008-01-31

Thin film piezoelectric bulk acoustic wave resonator and radio frequency filter using the same

#380
20080007369
2008-01-10

Bulk acoustic wave filter with reduced nonlinear signal distortion

#381
20070279154
2007-12-06

Filter having multiple piezoelectric thin-film resonators

#382
20070268092
2007-11-22

Balanced filter and duplexer

#383
20070252476
2007-11-01

Piezoelectric thin-film resonator and filter using the same

#384
20070188270
2007-08-16

FILM BULK ACOUSTIC RESONATOR AND FILM BULK ACOUSTIC RESONATOR FILTER

#385
20070176513
2007-08-02

Thin-film piezoelectric resonator and filter circuit

#386
20070120625
2007-05-31

Film bulk acoustic resonator (FBAR) devices with temperature compensation

#387
20070115078
2007-05-24

Film bulk acoustic-wave resonator and method for manufacturing the same

#388
20070109073
2007-05-17

Filter using piezoelectric resonator

#389
20070096851
2007-05-03

Bulk acoustic resonator and filter element

#390
20070085632
2007-04-19

Acoustic galvanic isolator

#391
20070085631
2007-04-19

Acoustic galvanic isolator incorporating film acoustically-coupled transformer

#392
20070052494
2007-03-08

Resonator type filter

#393
20070030096
2007-02-08

Duplexer and ladder type filter

#394
20060290446
2006-12-28

BAW apparatus

#395
20060255883
2006-11-16

Film bulk acoustic resonator and filter circuit including a plurality of film bulk acoustic resonators

#396
20060185139
2006-08-24

Method of making an acoustically coupled transformer

#397
20060181366
2006-08-17

Demultiplexer and surface acoustic wave filter

#398
20060158284
2006-07-20

Method of manufacturing vertically separated acoustic filters and resonators

#399
20060152305
2006-07-13

Vertically separated acoustic filters and resonators

#400
20060139125
2006-06-29

Filter device

#401
20060139120
2006-06-29

Piezoelectric resonator filter

#402
20060114080
2006-06-01

Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth

#403
20060103487
2006-05-18

Filter structure and method for the design of a filter

#404
20060091978
2006-05-04

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

#405
20060067840
2006-03-30

Piezoelectric MEMS element and tunable filter equipped with the piezoelectric MEMS element

#406
20060066175
2006-03-30

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

#407
20060016070
2006-01-26

Vertically separated acoustic filters and resonators

#408
20050253668
2005-11-17

Filter comprising inductor, duplexer using the filter and fabricating methods thereof

#409
20050237132
2005-10-27

Film bulk acoustic-wave resonator and method for manufacturing the same

#410
20050212612
2005-09-29

Tunable filter and portable telephone

#411
20050184830
2005-08-25

Vertically separated acoustic filters and resonators

#412
20050184627
2005-08-25

Piezoelectric thin film device and method for manufacturing the same

#413
20050140466
2005-06-30

Decoupled stacked bulk acoustic resonator-based band-pass filter

#414
20050134400
2005-06-23

FBAR ladder filter and method of grounding of FBAR ladder filters

#415
20050128030
2005-06-16

Impedance transformation ratio control in film acoustically-coupled transformers

#416
20050110598
2005-05-26

Temperature-compensated film bulk acoustic resonator (FBAR) devices

#417
20050110597
2005-05-26

Film bulk acoustic resonator (FBAR) devices with simplified packaging

#418
20050110596
2005-05-26

Filter using piezoelectric resonator

#419
20050104690
2005-05-19

Cavity-less film bulk acoustic resonator (FBAR) devices

#420
20050099092
2005-05-12

Piezoelectric device, antenna duplexer, and method of manufacturing piezoelectric resonators used therefor

#421
20050093659
2005-05-05

Film acoustically-coupled transformer with increased common mode rejection

#422
20050093658
2005-05-05

Pass bandwidth control in decoupled stacked bulk acoustic resonator devices

#423
20050093657
2005-05-05

Film acoustically-coupled transformer with reverse C-axis piezoelectric material

#424
20050093656
2005-05-05

Thin-film acoustically-coupled transformer

#425
20050093655
2005-05-05

Film acoustically-coupled transformer

#426
20050093654
2005-05-05

Decoupled stacked bulk acoustic resonator band-pass filter with controllable pass bandwith

#427
20050093653
2005-05-05

Stacked bulk acoustic resonator band-pass filter with controllable pass bandwidth

#428
20050093396
2005-05-05

Film acoustically-coupled transformers with two reverse c-axis piezoelectric elements

#429
20050073377
2005-04-07

Ladder-type bulk acoustic wave filter with common ground inductor

#430
20050030126
2005-02-10

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

#431
20050012570
2005-01-20

Component functioning with bulk acoustic waves having coupled resonators

#432
17346135
2024-07-02

Bulk acoustic wave filter with reduced second harmonics generation

#433
14941451
2017-03-28

Acoustic wave filter with enhanced rejection