H03H9/02748 - CPC Classification Index

ClassID:

220611 ⎘

H03H9/02748 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of surface acoustic wave devices; Details concerning reflective or coupling arrays; Grating lines having particular arrangements; Intra-transducers grating lines Dog-legged reflectors

Recent Application in this class:

20140070906

Elastic wave device

20130154763

Elastic wave branching filter

20110316647

ELASTIC WAVE BRANCHING FILTER

20110068881

ACOUSTIC WAVE FILTER

20100201458

Surface acoustic wave element, method of producing the same, and method of changing resonation frequency of the same

20100066462

Acoustic wave filter device

20090322449

Transversal type filter

20090224852

Acoustic wave filter device utilizing filters having different acoustic wave propagation directions

20090091404

Acoustic wave filter device and duplexer

20090021322

Elastic wave filter device and duplexer

20080266027

Longitudinally-coupled-resonator-type elastic wave filter device

20080246552

Balanced acoustic wave filter device

20080079512

Surface acoustic wave filter and resonator utilizing a branch electrode with an electrically opened end

20070236308

Acoustic wave filter device and duplexer

20070229193

Balanced acoustic wave filter

20070126531

Balanced acoustic wave filter device

20060181369

Balanced acoustic wave filter

20060139126

Surface acoustic wave (SAW) resonator SAW filter and SAW antenna duplexer using the SAW resonator

20050212620

Filter with acoustically coupled resonators