ClassID:

220541

H03H2009/02196 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details; Tuning of film bulk acoustic resonators [FBAR]; Electrically tuning operating on the FBAR element, e.g. by direct application of a tuning DC voltage

Recent Application in this class:
#1
20250247074
2025-07-31

BULK ACOUSTIC WAVE RESONATOR, MANUFACTURING METHOD THEREOF AND ELECTRONIC DEVICE

#2
20210257987
2021-08-19

Digitally tunable acoustic wave resonators

#3
20200076366
2020-03-05

Direct-current tuning of bulk acoustic wave resonator devices

#4
20180123562
2018-05-03

Tunable bulk acoustic resonator device with improved insertion loss

#5
20170264257
2017-09-14

Method for producing a batch of acoustic wave filters

#6
20170025596
2017-01-26

Tunable film bulk acoustic resonators and filters

#7
20160094199
2016-03-31

Resonant circuit with variable frequency and impedance

#8
20110248602
2011-10-13

Acoustic resonator comprising an electret and method of producing said resonator, application to switchable coupled resonator filters

#9
20110169374
2011-07-14

Method for tuning a resonant frequency of a piezoelectric component

#10
20110133856
2011-06-09

Contour-mode piezoelectric micromechanical resonators

#11
20100066467
2010-03-18

Lithographically defined multi-standard multi-frequency high-Q tunable micromechanical resonators

#12
20090218912
2009-09-03

Bulk acoustic wave device with a semiconductor layer

#13
20090144963
2009-06-11

Contour-mode piezoelectric micromechanical resonators

#14
20090108959
2009-04-30

Contour-Mode Piezoelectric Micromechanical Resonators

#15
20080246559
2008-10-09

Lithographically-defined multi-standard multi-frequency high-Q tunable micromechanical resonators

#16
20080055023
2008-03-06

Tuneable resonator

#17
20060290449
2006-12-28

Contour-mode piezoelectric micromechanical resonators

#18
20060273867
2006-12-07

Contour-mode piezoelectric micromechanical resonators

#19
20060001329
2006-01-05

FBAR device frequency stabilized against temperature drift

#20
20050174014
2005-08-11

Adjustable filter and method for adjusting the frequency

#21
20050146401
2005-07-07

Acoustic resonator

#22
16033671
2021-11-09

Increasing yield and operating temperature range of transmitters