ClassID:

220496

H03H9/0004 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators Impedance-matching networks

Sub-classes:
Recent Application in this class:
#1
20250383580
2025-12-18

System and Method for Transfer of Signals Between a Cryogenic System and an External Environment

#2
20250337384
2025-10-30

VESTIGIAL LOADS FOR ACOUSTIC RESONATORS

#3
20250323619
2025-10-16

HIGH-POWER ACOUSTIC WAVE FILTER PACKAGE CAPABLE OF SELF-HEAT DISSIPATION

#4
20250247071
2025-07-31

ACOUSTIC WAVE FILTER AND HIGH FREQUENCY MODULE

#5
20220416755
2022-12-29

ACOUSTIC IMPEDANCE MATCHING MATERIAL AND SYSTEM

#6
20220255525
2022-08-11

RF power delivery architecture with switchable match and frequency tuning

#7
20220077588
2022-03-10

Antenna dynamically matched with electromechanical resonators

#8
20210359665
2021-11-18

Multiplexer, front-end module, and communication device

#9
20210184644
2021-06-17

Sonic logging broadband impedance matching transformer modular design method and module

#10
20210006222
2021-01-07

Acoustic impedance matching with bubble resonators

#11
20200083202
2020-03-12

Wafer level chip scale filter packaging using semiconductor wafers with through wafer vias

#12
20200007106
2020-01-02

Filter and multiplexer

#13
20190386631
2019-12-19

Multiplexer

#14
20190363740
2019-11-28

Duplexer and front-end circuit

#15
20190296708
2019-09-26

Radio-frequency module

#16
20190274749
2019-09-12

Detection of large vessels during parenchymal dissection using a smart blade

#17
20190274719
2019-09-12

In-the-jaw classifier based on a model

#18
20190274714
2019-09-12

Smart blade application for reusable and disposable devices

#19
20190274708
2019-09-12

Smart blade and power pulsing

#20
20190274662
2019-09-12

Adjustment of complex impedance to compensate for lost power in an articulating ultrasonic device

#21
20190222192
2019-07-18

Ladder filter

#22
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

#23
20190190149
2019-06-20

Radio-frequency apparatus with multi-band balun with improved performance and associated methods

#24
20190181907
2019-06-13

System and method for a radio frequency filter

#25
20190181839
2019-06-13

System and method for a radio frequency filter

#26
20190181837
2019-06-13

System and method for a radio frequency filter

#27
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#28
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#29
20190181832
2019-06-13

System and method for a radio frequency filter

#30
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

#31
20190181825
2019-06-13

System and method for a radio frequency filter

#32
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

#33
20190158061
2019-05-23

High-frequency filter and multiplexer

#34
20190149130
2019-05-16

Ladder-type frequency-variable filter, multiplexer, radio-frequency front end circuit, and communication terminal

#35
20190131051
2019-05-02

Filter device and multiplexer

#36
20190036553
2019-01-31

Duplexer and front-end circuit

#37
20180375495
2018-12-27

Elastic wave apparatus

#38
20180367118
2018-12-20

Miniature tunable filters

#39
20180277527
2018-09-27

Wafer level chip scale filter packaging using semiconductor wafers with through wafer vias

#40
20180226720
2018-08-09

Antenna dynamically matched with electromechanical resonators

#41
20180123549
2018-05-03

Radio-frequency module

#42
20170310301
2017-10-26

Elastic wave filter device

#43
20170264268
2017-09-14

Tunable HF filter having series resonators

#44
20170257175
2017-09-07

Wide band through-body ultrasonic communication system

#45
20170093369
2017-03-30

Compensation circuit for acoustic resonators

#46
20170070205
2017-03-09

All-acoustic duplexers using directional couplers

#47
20160294423
2016-10-06

Multiplexer device with hybrid LC/acoustic filter

#48
20160268998
2016-09-15

Acoustic filter device with combined passband

#49
20160211824
2016-07-21

Frequency-variable filter

#50
20160028156
2016-01-28

High-frequency filter including matching circuit

#51
20160006409
2016-01-07

Radio frequency switching system with improved linearity

#52
20150381142
2015-12-31

Filter, duplexer and module

#53
20140340173
2014-11-20

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

#54
20140225680
2014-08-14

High-frequency filter

#55
20140218128
2014-08-07

Elastic wave splitter having a resonant circuit between an antenna terminal and ground

#56
20130328639
2013-12-12

Filter and duplexer

#57
20130222079
2013-08-29

Surface acoustic wave device and method of adjusting LC component of surface acoustic wave device

#58
20110279193
2011-11-17

Duplexer module

#59
20110133855
2011-06-09

Resonator, elastic wave transmission element and fabrication method thereof

#60
20090096549
2009-04-16

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

#61
20080042778
2008-02-21

General matching network for acoustic wave filters and acoustic resonators

#62
20060284703
2006-12-21

Coupled FBAR filter

#63
15839898
2019-04-02

On-chip tuneable diffusion resistor