ClassID:

220773

H03H9/52 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Filters; Coupling means therefor Electric coupling means

Sub-classes:
Recent Application in this class:
#1
20250260385
2025-08-14

ELECTRONIC FILTERING CIRCUIT

#2
20250112620
2025-04-03

ACOUSTIC WAVE DEVICE

#3
20240371711
2024-11-07

PACKAGE STRUCTURE

#4
20230299742
2023-09-21

Bridge-type filters

#5
20230223926
2023-07-13

BULK ACOUSTIC WAVE RESONATORS WITH TUNABLE ELECTROMECHANICAL COUPLING

#6
20230006543
2023-01-05

Power noise filter and supply modulator including the same

#7
20220393661
2022-12-08

Two-stage lateral bulk acoustic wave filter with capacitive coupling of counter electrode

#8
20210367584
2021-11-25

Arrangement for a vehicle for detecting an activation action for activating a function on the vehicle

#9
20210119610
2021-04-22

Filter device

#10
20200321940
2020-10-08

Acoustic resonator filter package

#11
20200295736
2020-09-17

Multiplexer, radio-frequency module, and communication device

#12
20200259478
2020-08-13

Hybrid filter architecture with integrated passives, acoustic wave resonators and hermetically sealed cavities between two resonator dies

#13
20200212870
2020-07-02

High-frequency module

#14
20190341909
2019-11-07

Radio-frequency filter, radio-frequency front-end circuit, and communication apparatus

#15
20190288663
2019-09-19

ELECTROACOUSTIC FILTER WITH REDUCED PLATE MODES

#16
20190222197
2019-07-18

Zero-output coupled resonator filter and related radio frequency filter circuit

#17
20190222192
2019-07-18

Ladder filter

#18
20190190490
2019-06-20

Acoustically coupled resonator notch and bandpass filters

#19
20190181907
2019-06-13

System and method for a radio frequency filter

#20
20190181839
2019-06-13

System and method for a radio frequency filter

#21
20190181837
2019-06-13

System and method for a radio frequency filter

#22
20190181835
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#23
20190181834
2019-06-13

Acoustically coupled resonator notch and bandpass filters

#24
20190181832
2019-06-13

System and method for a radio frequency filter

#25
20190181827
2019-06-13

Tunable resonator element, filter circuit and method

#26
20190181825
2019-06-13

System and method for a radio frequency filter

#27
20190181824
2019-06-13

Tunable resonator element, filter circuit and method

#28
20180367118
2018-12-20

Miniature tunable filters

#29
20180076793
2018-03-15

Acoustic filter employing inductive coupling

#30
20170366164
2017-12-21

RADIO FREQUENCY MULTIPLEXERS

#31
20170230031
2017-08-10

Piezoelectric thin film resonator, filter, and duplexer

#32
20170099041
2017-04-06

Electromechanical frequency selective surface

#33
20160156329
2016-06-02

High-frequency module

#34
20160156328
2016-06-02

High-frequency module

#35
20160028365
2016-01-28

High-frequency module having a matching element coupled to a connection unit

#36
20160028364
2016-01-28

High-frequency module having a matching element coupled to a connection unit

#37
20150002240
2015-01-01

Methods and apparatus for signal filtering

#38
20140132367
2014-05-15

Coupled acoustic devices

#39
20130222079
2013-08-29

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

#40
20120007696
2012-01-12

Serially connected first and second coupled resonator filters configured to provide at least one feedback capacitor