ClassID:

217860

H02M3/3385 - CPC Classification

Classification description:

Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only in a self-oscillating arrangement with automatic control of output voltage or current

Recent Application in this class:
#1
20260051804
2026-02-19

VOLTAGE CONVERTER AND POWER SUPPLY SYSTEM

#2
20250379525
2025-12-11

FIXED FREQUENCY RESONANT INVERTER

#3
20250266772
2025-08-21

OUTPUT STABILIZING CIRCUIT AND DC/DC CONVERTER CIRCUIT

#4
20250055382
2025-02-13

FIXED FREQUENCY RESONANT INVERTER

#5
20240313663
2024-09-19

CONTROLLER AND SELF-OSCILLATION DC-DC CONVERTER INCLUDING THE CONTROLLER

#6
20230188050
2023-06-15

Integrated circuit and power supply circuit

#7
20230073462
2023-03-09

Resonant converter and controlling method thereof

#8
20220239229
2022-07-28

High-frequency power supply device

#9
20220216787
2022-07-07

Linear voltage regulator circuit and multiple output voltages

#10
20210367501
2021-11-25

Systems, methods, and apparatus for dead-time control in resonant converters

#11
20210351703
2021-11-11

Switch-mode power supplies including three-level LLC circuits for low line and high line operation

#12
20210273567
2021-09-02

Switch-mode power supplies including three-level LLC circuits

#13
20210273566
2021-09-02

Switch-mode power supplies including three-level LLC circuits for low line and high line operation

#14
20210021192
2021-01-21

Switching control for power converters

#15
20210021148
2021-01-21

Method for controlling discharge of power storage device

#16
20210013809
2021-01-14

PRIMARY CONTROLLER APPLIED TO A PRIMARY SIDE OF A POWER CONVERTER AND OPERATIONAL METHOD THEREOF

#17
20190386569
2019-12-19

DC/DC converter comprising a transformer and transmission and recovery of a signal thereacross

#18
20190140546
2019-05-09

SWITCHING POWER SUPPLY AND AMPLIFICATION DEVICE

#19
20190006940
2019-01-03

DC/DC resonant converters and power factor correction using resonant converters, and corresponding control methods

#20
20180366973
2018-12-20

Discharge circuit and power storage device

#21
20180278164
2018-09-27

Switched-mode power supply and method for operating a switched-mode power supply

#22
20180241310
2018-08-23

Switching power supply circuit having a switching circuit and a coil current emulation circuit

#23
20180241307
2018-08-23

Power converter and an LED lighting circuit comprising the same

#24
20180183325
2018-06-28

Resonant converter with power factor correction and controller used therein

#25
20180102713
2018-04-12

Gate drive apparatus for resonant converters

#26
20180083543
2018-03-22

Power supply control unit and isolation type switching power supply device

#27
20180083541
2018-03-22

Flyback converter and controlling method thereof

#28
20180069477
2018-03-08

Overvoltage protection circuit

#29
20170310125
2017-10-26

Self-oscillating energy extraction and utilization booster module circuits

#30
20170294840
2017-10-12

Self-oscillating resonant power converter

#31
20170201180
2017-07-13

Power converter measuring the average rectified primary current

#32
20170133938
2017-05-11

Micro-energy harvester for battery free applications

#33
20170040903
2017-02-09

Gate drive apparatus for resonant converters

#34
20160352150
2016-12-01

Power supply system

#35
20160087473
2016-03-24

Method and apparatus for transferring electrical power

#36
20150147080
2015-05-28

Power supply apparatus and image forming apparatus

#37
20150131329
2015-05-14

Gate drive apparatus for resonant converters

#38
20150098252
2015-04-09

Method and apparatus for transferring electrical power by means of capacitive coupling

#39
20140334193
2014-11-13

SELF-OSCILLATING LOOP BASED PIEZOELECTRIC POWER CONVERTER

#40
20140254207
2014-09-11

Switching power supply device

#41
20140043869
2014-02-13

Power supply apparatus and image forming apparatus

#42
20130307917
2013-11-21

Power supply apparatus and image forming apparatus

#43
20130294112
2013-11-07

Regulating controller for controlled self-oscillating converters using bipolar junction transistors

#44
20130094248
2013-04-18

Regulating Controller for Controlled Self-Oscillating Converters Using Bipolar Junction Transistors

#45
20120212978
2012-08-23

Low power switch mode power supply

#46
20120140530
2012-06-07

Switching power supply apparatus and image forming apparatus

#47
20110311260
2011-12-22

Switching power source and image forming apparatus having the same

#48
20110280047
2011-11-17

Switching power adaptor circuit

#49
20110134662
2011-06-09

Power supply having a voltage monitoring circuit

#50
20110026278
2011-02-03

CURRENT-CONTROLLED SELF-OSCILLATING FLYBACK CONVERTER WITH TWO TRANSISTORS

#51
20100284203
2010-11-11

CONTROL MODE FOR ZVS CONVERTER AT RESONANT OPERATING FREQUENCIES

#52
20100254165
2010-10-07

Power supply

#53
20100232188
2010-09-16

POWER SUPPLY APPARATUS

#54
20100232186
2010-09-16

Switching power supply device

#55
20100226150
2010-09-09

Method and device for regulating a resonant inverter equipped with such a device

#56
20100220502
2010-09-02

Isolating self-oscillation flyback converter

#57
20100177537
2010-07-15

Power supply circuit and power supply system

#58
20100171367
2010-07-08

Contactless power transmission circuit

#59
20100149840
2010-06-17

Power supply apparatus and image forming apparatus

#60
20100020582
2010-01-28

AC/DC POWER CONVERTER

#61
20090284993
2009-11-19

Switching power supply circuit

#62
20090262561
2009-10-22

Method and apparatus to improve regulation of a power supply

#63
20090168463
2009-07-02

DC to DC converter

#64
20090051345
2009-02-26

Self-oscillating switching regulator

#65
20080278971
2008-11-13

Forward-forward converter

#66
20080205102
2008-08-28

Power supply

#67
20080157739
2008-07-03

Method and apparatus to improve regulation of a power supply

#68
20080112194
2008-05-15

Method and circuit for controlling a switched-mode power supply

#69
20080074904
2008-03-27

Bipolar power supply system

#70
20080037292
2008-02-14

High-voltage generator

#71
20080007976
2008-01-10

POWER SUPPLY DEVICE AND ELECTRIC APPLIANCE PROVIDED THEREWITH

#72
20070290625
2007-12-20

Driver arrangement for LED lamps

#73
20070247520
2007-10-25

Negative current compensation method and circuit

#74
20070236962
2007-10-11

Method and Circuit Arrangement for Optimising Maximum Current Limitation in the Primary Switch of a Switched Mode Power Supply, and a Power Supply

#75
20070206394
2007-09-06

Self exited oscillation converter providing a stable output voltage from a wide range of input voltages

#76
20070114980
2007-05-24

Step up switching converter

#77
20070086219
2007-04-19

Switching power supply circuit

#78
20070086218
2007-04-19

Switching power source apparatus

#79
20070076447
2007-04-05

Switched mode power supply having a control circuit for setting the switching frequency of the primary side switch in a linear relationship to a measurement voltage produced from the auxiliary voltage

#80
20070057656
2007-03-15

Method and apparatus to improve regulation of a power supply

#81
20070030713
2007-02-08

Capacitor charging circuitry and methodology implementing controlled on and off time switching

#82
20070024255
2007-02-01

Switching power supply circuit

#83
20060209576
2006-09-21

Switching power supply circuit

#84
20060209574
2006-09-21

Power supply

#85
20060187687
2006-08-24

Switching power supply circuit

#86
20060164870
2006-07-27

Switching power supply circuit

#87
20060158168
2006-07-20

Switching power supply device and switching power supply system

#88
20060133117
2006-06-22

Simple switched-mode power supply with current and voltage limitation

#89
20060126364
2006-06-15

Switching power supply circuit

#90
20060091870
2006-05-04

Switching power supply device and switching power supply system

#91
20060062024
2006-03-23

Switching power supply

#92
20060056205
2006-03-16

Power supply device

#93
20060044859
2006-03-02

Power converter having temperature compensated output power

#94
20060007715
2006-01-12

AC/DC power converter

#95
20050270809
2005-12-08

Device for converting an AC voltage from a main electricity supply to a DC voltage at a predetermined level and waveform

#96
20050270805
2005-12-08

Switching power supply circuit

#97
20050270001
2005-12-08

Soft switching high efficiency flyback converter

#98
20050259452
2005-11-24

High voltage power supply

#99
20050213358
2005-09-29

Method for operating a switching converter and drive circuit for driving a switch in a switching converter

#100
20050180182
2005-08-18

Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load

#101
20050169023
2005-08-04

Switching power supply using controlled negative feedback in series with a switching device and responsive to the voltage and/or current to a load

#102
20050162873
2005-07-28

Flip-flop based self-oscillating power supply

#103
20050162872
2005-07-28

DC/DC converter including a Zener diode having a substantially zero temperature coefficient

#104
20050122056
2005-06-09

Noise reduction in a power converter

#105
20050024895
2005-02-03

Switching-bursting method and apparatus for reducing standby power and improving load regulation in a DC—DC converter

#106
16142523
2019-11-12

Frequency control method for self-oscillating circuit

#107
16044952
2019-04-23

Synchronous rectifier controller integrated circuits

#108
14334192
2016-04-05

Constant current source based on self-oscillating soft-switching LLC converter topology

#109
14334186
2016-08-23

Dimmable LED driver based on self-oscillating soft-switching LLC series resonant inverter topology

#110
14334180
2015-10-27

Dimmable LED driver based on parallel resonant current fed self-oscillating topology