ClassID:

208935

H01L41/044 - CPC Classification

Classification description:

Piezo-electric devices in general; Electrostrictive devices in general; Magnetostrictive devices in general; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof; Details of piezo-electric or electrostrictive devices; Drive or control circuitry or methods for piezo-electric or electrostrictive devices not otherwise provided for for piezoelectric transformers

Recent Application in this class:
#1
20220123196
2022-04-21

Driver circuitry comprising active inductor circuitry for driving piezoelectric transducers

#2
20210329770
2021-10-21

Process for producing ozone and apparatus for ozone generation

#3
20210274628
2021-09-02

Device for producing a non-thermal atmospheric pressure plasma and active space comprising such a device

#4
20210135086
2021-05-06

OUTPUT FILTER FOR POWER TRAIN

#5
20200411745
2020-12-31

Device for producing a non-thermal atmospheric pressure plasma and method for operating a piezoelectric transformer

#6
20200257234
2020-08-13

Printed circuit board mounting piezoelectric transformer

#7
20200187343
2020-06-11

Apparatus and method for generating a non-thermal atmospheric pressure plasma

#8
20200137866
2020-04-30

Plasma generator

#9
20200137865
2020-04-30

Device for generating a non-thermal atmospheric pressure plasma

#10
20200127188
2020-04-23

Piezoelectric transformer and electronic apparatus

#11
20200098968
2020-03-26

POWER CONVERTER

#12
20200092977
2020-03-19

Device for generating an atmospheric-pressure plasma

#13
20200077503
2020-03-05

Device for producing a non-thermal atmospheric pressure plasma and active space comprising such a device

#14
20200077502
2020-03-05

Device for producing a non-thermal atmospheric-pressure plasma and method for the frequency control of a piezoelectric transformer

#15
20200044139
2020-02-06

PIEZOELECTRIC TRANSFORMER AND ELECTRONIC APPARATUS INCLUDING PIEZOELECTRIC TRANSFORMER

#16
20190287758
2019-09-19

Resonant process monitor

#17
20190229257
2019-07-25

Vibrating element with conductive frames

#18
20190199879
2019-06-27

Power supply apparatus having plurality of piezoelectric transformers

#19
20190198746
2019-06-27

Control circuit and method for controlling a piezoelectric transformer

#20
20190098739
2019-03-28

Process for producing ozone and apparatus for ozone generation

#21
20190097119
2019-03-28

Piezoelectric transmitter

#22
20190053366
2019-02-14

Device for generating an atmospheric-pressure plasma

#23
20190008027
2019-01-03

Method for frequency control of a piezoelectric transformer and circuit arrangement comprising a piezoelectric transformer

#24
20180368244
2018-12-20

Apparatus for generating an atmospheric pressure plasma

#25
20180287047
2018-10-04

Piezoelectric cross-sectional Lamé mode transformer

#26
20180287043
2018-10-04

Piezoelectric transformer

#27
20180249569
2018-08-30

Plasma generator and method for setting an ION ratio

#28
20180231932
2018-08-16

Printed circuit board mounting piezoelectric transformer

#29
20180159018
2018-06-07

Piezoelectric vibration device

#30
20180145242
2018-05-24

POWER SUPPLY CIRCUIT AND AC ADAPTOR

#31
20180069168
2018-03-08

Piezoelectric device, piezoelectric transformer, and method of manufacturing piezoelectric device

#32
20170077384
2017-03-16

Drive signal generating apparatus

#33
20160064640
2016-03-03

POWER SUPPLY DEVICE AND POWER SUPPLY METHOD

#34
20160043298
2016-02-11

Frequency tracking piezoelectric transformer power converter with simultaneous two-parameter control

#35
20160027987
2016-01-28

Circuit assembly and method for controlling a piezoelectric transformer

#36
20140265623
2014-09-18

STEP-DOWN CIRCUIT AND POWER RECEIVING DEVICE USING STEP-DOWN CIRCUIT

#37
20140247633
2014-09-04

Intrinsic adaptive and autonomic piezotransformer circuits

#38
20130327301
2013-12-12

Injection device

#39
20130229793
2013-09-05

Lighting apparatus

#40
20130169198
2013-07-04

Zero-voltage-switching (ZVS) piezoelectric driving circuit

#41
20130134881
2013-05-30

Light-emitting diode arrangement and light-emitting means, in particular with such a light-emitting diode arrangement

#42
20120212061
2012-08-23

High voltage power source device and image forming device

#43
20120200233
2012-08-09

Circuit arrangement for a piezo transformer, and method therefor

#44
20110142478
2011-06-16

High voltage power supplying apparatus and image forming apparatus having the same

#45
20110097100
2011-04-28

Technology for reducing circuit oscillations and ripple in a high-voltage power supply using a piezoelectric transformer

#46
20110051466
2011-03-03

Power unit using computed frequency ratio and image forming apparatus

#47
20100328969
2010-12-30

Resonant power converter comprising a matched piezoelectric transformer

#48
20100302809
2010-12-02

Piezoelectric transformer driving device controlled by variable reference voltage values and image forming device

#49
20100301702
2010-12-02

HIGH GAIN MINIATURE POWER SUPPLY FOR PLASMA GENERATION

#50
20100296316
2010-11-25

Piezoelectric converter with primary regulation and associated piezoelectric transformer

#51
20100277237
2010-11-04

Switchable power combiner

#52
20100188068
2010-07-29

Solid State High Power Piezokinetic Transformer and Method Thereof

#53
20100135698
2010-06-03

Power supply apparatus and image forming apparatus

#54
20100066204
2010-03-18

PIEZOELECTRIC TRANSFORMER DRIVING CIRCUIT

#55
20090248102
2009-10-01

Signal line of an implantable electromedical configuration

#56
20090174335
2009-07-09

High-voltage lamp-ignition piezoelectric oscillator

#57
20090160424
2009-06-25

High-voltage power supply device and image forming apparatus having same

#58
20090045697
2009-02-19

Piezoelectric transformer type high-voltage power apparatus and image forming apparatus

#59
20090033303
2009-02-05

Piezoelectric transformer type high-voltage power apparatus and image forming apparatus

#60
20080260402
2008-10-23

Power supply device and image forming apparatus

#61
20080136289
2008-06-12

Driving Circuit of Piezoelectric Transformer

#62
20080048524
2008-02-28

Piezoelectric power supply

#63
20070200455
2007-08-30

Power supply apparatus, and image forming apparatus having the same

#64
20070152539
2007-07-05

Multi-output piezoelectric inverter and transformer thereof

#65
20070120441
2007-05-31

Piezoelectric transformer driving apparatus and piezoelectric transformer driving method

#66
20070025753
2007-02-01

Image forming apparatus and power supply

#67
20070018589
2007-01-25

Image forming apparatus utilizing a piezoelectric-transformer high-voltage power supply and method for controlling the same

#68
20070013267
2007-01-18

Piezoelectric transformer drive method and drive circuit

#69
20070007855
2007-01-11

Power supply device and image forming apparatus using the power supply device

#70
20060273688
2006-12-07

Power supply apparatus, and image forming apparatus having the same

#71
20050285478
2005-12-29

Driving circuit for piezoelectric transformer, cold-cathode tube light-emitting apparatus, liquid crystal panel and device with built-in liquid crystal panel

#72
20050285476
2005-12-29

Piezoelectric power supply

#73
20050225203
2005-10-13

Multi-load driver circuit equipped with piezoelectric transformation circuits

#74
20050206273
2005-09-22

Piezoelectric transformer drive circuit and cold cathode tube lighting apparatus

#75
20050174013
2005-08-11

Transformer level driving circuit

#76
20050146245
2005-07-07

Ceramic transformer level driving circuit