H03H9/0047 - CPC Classification Index

ClassID:

220505 ⎘

H03H9/0047 - 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 two acoustic tracks

Sub-classes:

H03H9/0052 » {being electrically cascaded} 2
H03H9/0066 » {being electrically parallel} 2

Recent Application in this class:

20190089324

2019-03-21

Acoustic filter

20140375397

2014-12-25

Longitudinally-coupled-resonator-type surface acoustic wave filter

20130214873

2013-08-22

Elastic wave demultiplexer

20070290770

2007-12-20

Surface acoustic wave device and communication device