ClassID:

217941

H02M7/1557 - CPC Classification

Classification description:

Conversion of ac power input into dc power output; Conversion of dc power input into ac power output; Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only with control circuit with automatic control of the output voltage or current

Recent Application in this class:
#1
20260025084
2026-01-22

AC/DC CONVERTER

#2
20250132690
2025-04-24

ELECTRONIC CIRCUIT WITH THYRISTOR

#3
20240248149
2024-07-25

METHODS AND SYSTEMS FOR MANAGING MULTI-CELL BATTERIES

#4
20240142538
2024-05-02

METHODS AND SYSTEMS FOR MANAGING MULTI-CELL BATTERIES

#5
20240128887
2024-04-18

Power conversion device

#6
20230291324
2023-09-14

Switching device, switching power supply apparatus, and vehicle

#7
20220360190
2022-11-10

Electronic circuit with thyristor

#8
20220200473
2022-06-23

Multi-level single-phase AC-to-DC converter

#9
20220166340
2022-05-26

Voltage converter

#10
20220103062
2022-03-31

Discharge of an AC capacitor using totem-pole power factor correction (PFC) circuitry

#11
20220038023
2022-02-03

Power regulating unit and transport refrigeration device using the power regulating unit

#12
20210336533
2021-10-28

Discharge of an AC capacitor using totem-pole power factor correction (PFC) circuitry

#13
20210288589
2021-09-16

Switching device, switching power supply apparatus, and vehicle

#14
20210151834
2021-05-20

Methods and systems for managing multi-cell batteries

#15
20210126547
2021-04-29

Switching power supply device, vehicle, and control method

#16
20210036612
2021-02-04

Battery charging circuit and battery charging method

#17
20210021205
2021-01-21

Power conversion apparatus and control method of the same

#18
20200412268
2020-12-31

Power supply circuit, power supply device and control method

#19
20200403525
2020-12-24

Semiconductor device

#20
20200343809
2020-10-29

Semiconductor topologies and devices for soft starting and active fault protection of power converters

#21
20200328693
2020-10-15

CONVERTER CIRCUIT, POWER CONVERSION SYSTEM, AND MOTOR DRIVE APPARATUS

#22
20200052606
2020-02-13

Switching power supply device

#23
20190386578
2019-12-19

Power conversion device and DC power transmission system

#24
20190294192
2019-09-26

System and method of balancing output currents of a plurality of power supply units for supplying power to a system load

#25
20190273442
2019-09-05

Power supply circuit based on feedback signal, power supply device and control method

#26
20190267911
2019-08-29

Trigger circuitry for fast, low-power state transitions

#27
20190222128
2019-07-18

Power supply apparatus and image forming apparatus

#28
20190214920
2019-07-11

Switching power supply device including an inrush current prevention circuit

#29
20190190429
2019-06-20

Phase control of DC bus in appliances

#30
20190148701
2019-05-16

Methods and systems for managing multi-cell batteries

#31
20190058323
2019-02-21

Overvoltage protection circuit for protecting overvoltage corresponding to wide range of input voltage

#32
20190036462
2019-01-31

Switching power supply device

#33
20180331615
2018-11-15

Secondary-side control circuit, control method and flyback converter thereof

#34
20180302003
2018-10-18

Power converter

#35
20180299916
2018-10-18

Method of balancing a supply current and device for supplying power

#36
20180287499
2018-10-04

Power supply device and image forming apparatus

#37
20180205336
2018-07-19

Power supply device for internal combustion engine

#38
20170353122
2017-12-07

Pulse width modulation controller and relevant control method having minimum on time in response to voltage peak of line voltage

#39
20170353099
2017-12-07

Secondary-side control circuit, control method and flyback converter thereof

#40
20170297861
2017-10-19

Energizing circuit of a magnetizing coil of an operational brake, a passenger conveyor, and a method for energizing the magnetizing coil of the operational brake of a passenger conveyor

#41
20170288567
2017-10-05

Power conversion device

#42
20170244336
2017-08-24

Power supply system, apparatus, and control method combining a first control signal and a second control signal

#43
20170214310
2017-07-27

Modular embedded multi-level converter

#44
20170070161
2017-03-09

Load control device for high-efficiency loads

#45
20160219661
2016-07-28

Control circuit for controlling current through a load using a phase-cut thyristor arrangement and method for controlling thereof

#46
20150357929
2015-12-10

Gated thyristor power device having a rapid turn off time

#47
20150249384
2015-09-03

Power conversion electronics having conversion and inverter circuitry

#48
20150146461
2015-05-28

SCR dimming circuit and dimming control method

#49
20150085537
2015-03-26

Control method and AC-DC power converter

#50
20150016165
2015-01-15

Gated thyristor power device

#51
20150016158
2015-01-15

Method for providing low voltage DC power from AC mains power

#52
20140362614
2014-12-11

Switching power supply device, switching power supply control method and electronic apparatus

#53
20140333228
2014-11-13

Dimmer detector for bleeder circuit activation

#54
20140217947
2014-08-07

SHORT CIRCUIT SAFE RECTIFIER STAGE FOR A SUBSEA POWER GRID

#55
20140153308
2014-06-05

Rectifier charge rate controller

#56
20120230075
2012-09-13

Power conversion apparatus having a boost power factor correction (PFC) function and controlling inrush current and power conversion method thereof

#57
20120163053
2012-06-28

Circuit for controlling a switch in series with a capacitive element

#58
20120163050
2012-06-28

Power supply circuit with low stand-by losses

#59
20100308892
2010-12-09

State quantity detection method in power converting apparatus and power converting apparatus

#60
20100141170
2010-06-10

AC/DC MODULATION CONVERSION SYSTEM AND APPLICATION THEREOF

#61
20090039926
2009-02-12

Apparatus for providing AC voltage

#62
20080123379
2008-05-29

Voltage Regulating Circuit

#63
20080111422
2008-05-15

Voltage Regulator and Power System with a Voltage Boost for a Low Input Voltage

#64
20060007717
2006-01-12

Switching power supply with direct conversion off AC power source