H03H9/009 - CPC Classification Index

ClassID:

220514 ⎘

H03H9/009 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Balance-unbalance or balance-balance networks using surface acoustic wave devices having four acoustic tracks Lattice filters

Recent Application in this class:

20230198504

2023-06-22

Resonator-assisted LC filter exhibiting high-pass and bandpass behavior

20210268406

2021-09-02

ELECTRONIC CONFIGURATION AND CONTROL FOR ACOUSTIC STANDING WAVE GENERATION

20200324225

2020-10-15

ACOUSTIC TRANSDUCER CONTROLLER CONFIGURATION

20180236380

2018-08-23

Electronic configuration and control for acoustic standing wave generation

20180019725

2018-01-18

Bulk acoustic wave filter device and method for manufacturing the same

20170291122

2017-10-12

Electronic configuration and control for acoustic standing wave generation

20160173062

2016-06-16

Duplexer with a ladder filter portion and a specifically connected capacitor or elastic wave resonator

20140111287

2014-04-24

Filter, duplexer and communication module

20120274421

2012-11-01

Filter, duplexer and communication module

#10

20100188166

2010-07-29

Filter, duplexer and communication module

#11

20080117000

2008-05-22

Balanced lattice filter device

#12

20080048803

2008-02-28

Piezoelectric thin-film filter

#13

20060158069

2006-07-20

Surface acoustic wave device

#14

20060131992

2006-06-22

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

#15

20060055488

2006-03-16

Resonator filter structure having equal resonance frequencies