ClassID:

220628

H03H9/02881 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of surface acoustic wave devices; Means for compensation or elimination of undesirable effects of diffraction of wave beam

Recent Application in this class:
#1
20220043288
2022-02-10

Tunable diffraction gratings using surface acoustic waves

#2
20210006225
2021-01-07

Low loss temperature compensated surface acoustic wave filter and duplexer

#3
20200304090
2020-09-24

ACOUSTIC DIFFRACTIVE CONCENTRATORS

#4
20190245514
2019-08-08

Ladder filter, duplexer, and elastic wave filter device

#5
20190158059
2019-05-23

Elastic wave device, high-frequency front end circuit, and communication device

#6
20190149125
2019-05-16

Elastic wave device, high-frequency front-end circuit, and communication apparatus

#7
20180062610
2018-03-01

Electro-acoustic transducer and electro-acoustic component comprising an electro-acoustic transducer

#8
20170077897
2017-03-16

Elastic wave device

#9
20160373084
2016-12-22

Surface acoustic wave device and filter

#10
20160149553
2016-05-26

Electroacoustic transducer with improved suppression of unwanted modes

#11
20150280689
2015-10-01

Surface acoustic wave device and filter

#12
20150243873
2015-08-27

Acoustic wave device with suppressed higher order transverse modes

#13
20150180451
2015-06-25

Surface acoustic wave device and filter with additional covering films

#14
20130320805
2013-12-05

Electroacoustic transducer with reduced losses due to transverse emission and improved performance due to suppression of transverse modes

#15
20130249647
2013-09-26

Acoustic wave device with reduced higher order transverse modes

#16
20120286624
2012-11-15

Elastic wave device

#17
20100219905
2010-09-02

Surface acoustic wave resonator, and surface acoustic wave filter and antenna duplexer in which the surface acoustic wave resonator is used

#18
20090295507
2009-12-03

Acoustic wave element having an electrode finger with a protrusion

#19
20090114798
2009-05-07

Circular surface acoustic wave (SAW) devices, processes for making them, and methods of use

#20
20080315972
2008-12-25

Acoustic wave transducer and filter comprising said transducer

#21
20070296528
2007-12-27

Elastic wave device having an electrode finger with a side edge projection

#22
20070018755
2007-01-25

Acoustic wave transducer with transverse mode suppression

#23
20050168302
2005-08-04

Surface acoustic wave device

#24
20050093650
2005-05-05

Surface wave devices with low passband ripple