ClassID:

220568

H03H9/02409 - CPC Classification

Classification description:

Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators; Details of microelectro-mechanical resonators; Post-fabrication trimming of parameters, e.g. resonance frequency, Q factor by application of a DC-bias voltage

Recent Application in this class:
#1
20250293655
2025-09-18

MICRO-RESONATOR DESIGN IMPLEMENTING INTERNAL RESONANCE FOR MEMS APPLICATIONS

#2
20220158602
2022-05-19

Micro-resonator design implementing internal resonance for MEMS applications

#3
20200284583
2020-09-10

MEMS device including spurious mode suppression and corresponding operating method

#4
20200099357
2020-03-26

MEMS frequency-tuning springs

#5
20190165757
2019-05-30

Tunable narrow bandpass MEMS technology filter using an arch beam microresonator

#6
20190140612
2019-05-09

Microelectromechanical system resonator devices and oscillator control circuits

#7
20180283866
2018-10-04

Stacked balanced resonators

#8
20170170802
2017-06-15

MEMS resonator

#9
20160352309
2016-12-01

Micro-electromechanical resonators and methods of providing a reference frequency

#10
20160268999
2016-09-15

Tunable Q resonator

#11
20160028374
2016-01-28

Apparatus and method for tuning a resonance frequency

#12
20140300246
2014-10-09

Volume wave resonator using excitation/detection of vibrations

#13
20140184347
2014-07-03

Microelectronic machine-based ariable

#14
20140125431
2014-05-08

Tunable and switchable resonator and filter structures in single crystal piezoelectric MEMS devices using bimorphs

#15
20140125201
2014-05-08

Variable capacitor and switch structures in single crystal piezoelectric MEMS devices using bimorphs

#16
20130107677
2013-05-02

Circuit for autoregulating the oscillation frequency of an oscillating mechanical system and device including the same

#17
20120329255
2012-12-27

Out-of plane MEMS resonator with static out-of-plane deflection

#18
20120105173
2012-05-03

MEMS device

#19
20110260810
2011-10-27

Out-of-plane MEMS resonator with static out-of-plane deflection

#20
20110163817
2011-07-07

Resonator and oscillator using same

#21
20110128083
2011-06-02

Microelectromechanical resonant structure having improved electrical characteristics

#22
20100301967
2010-12-02

Resonance frequency tunable MEMS device

#23
20100279451
2010-11-04

Direct contact heat control of micro structures

#24
20100219453
2010-09-02

Nanotube Device

#25
20100090773
2010-04-15

Systems and methods to overcome DC offsets in amplifiers used to start resonant micro-electro mechanical systems

#26
20090315646
2009-12-24

Resonant circuit, method of producing same, and electronic device

#27
20090315645
2009-12-24

Resonant circuit, oscillation circuit, filter circuit, and electronic device

#28
20090243747
2009-10-01

Methods and devices for compensating a signal using resonators

#29
20090096548
2009-04-16

Tuning and compensation technique for semiconductor bulk resonators

#30
20090057792
2009-03-05

Charge biased MEM resonator

#31
20080106351
2008-05-08

Device for controlling the frequency of resonance of an oscillating micro-electromechanical system

#32
20060071578
2006-04-06

Micromechanical element having adjustable resonant frequency

#33
20060044078
2006-03-02

Capacitive vertical silicon bulk acoustic resonator

#34
20050046518
2005-03-03

Electromechanical resonator and method of operating same

#35
15010038
2018-12-18

Micromechanical devices based on piezoelectric resonators

#36
13294950
2014-11-04

Vertical differential resonator