H03H9/14591 - CPC Classification Index

ClassID:

220718 ⎘

H03H9/14591 - 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; Transducers of particular shape or position Vertically-split transducers

Recent Application in this class:

20190158063

Acoustic wave device and ladder filter

20180076794

Acoustic filter using acoustic coupling

20170244383

Elastic wave resonator, band pass filter, and duplexer

20160156334

Elastic wave resonator, elastic wave filter apparatus, and duplexer

20160112030

Acoustic wave device, filter, and duplexer

20120235769

Elastic wave filter

20110260805

Dual-track surface-wave filter

20110084780

Transversal filter

20100194495

Duplexer

20100066462

Acoustic wave filter device

20090002097

DUPLEXER

20080246560

Saw filter featuring impedance transformation

20080246552

Balanced acoustic wave filter device

20080224790

Balance filter and duplexer

20070229193

Balanced acoustic wave filter

20060244550

Surface acoustic wave filter and duplexer using the same

20050212620

Filter with acoustically coupled resonators

20050057325

Surface acoustic wave device with two split interdigital transducers connected by specified electrode structures