ClassID:

216706

H02H3/243 - CPC Classification

Classification description:

Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to undervoltage or no-voltage for DC systems

Recent Application in this class:
#1
20260135370
2026-05-14

RECTIFIER SLOT PLUGGABLE CAPACITOR UNIT

#2
20260000403
2026-01-01

LOCAL DISPLAY OF TISSUE PARAMETER STABILIZATION

#3
20250330014
2025-10-23

ELECTRICAL POWER SYSTEM

#4
20240364094
2024-10-31

ARC DETECTION FOR HIGH VOLTAGE SYSTEM

#5
20240341764
2024-10-17

SMART CARTRIDGE WAKE UP OPERATION AND DATA RETENTION

#6
20240332951
2024-10-03

Method for adaptively adjusting PWM duty cycle, circuit and motor driving system

#7
20240332949
2024-10-03

CONTROLLER CIRCUIT

#8
20240103093
2024-03-28

AIRCRAFT SOLID STATE POWER CONTROLLER AND METHOD OF TESTING AN AIRCRAFT SOLID STATE POWER CONTROLLER

#9
20240103048
2024-03-28

DEVICE AND METHOD FOR DETECTING A VOLTAGE DROP

#10
20230389921
2023-12-07

LOCAL DISPLAY OF TISSUE PARAMETER STABILIZATION

#11
20230370059
2023-11-16

Direct-drive D-mode GaN half-bridge power module

#12
20230320731
2023-10-12

Smart cartridge wake up operation and data retention

#13
20230057935
2023-02-23

Smart cartridge wake up operation and data retention

#14
20230020200
2023-01-19

INTERNET OF THINGS DEVICE AND BATTERY POWER SUPPLY CIRCUIT THEREOF

#15
20220393442
2022-12-08

GROUNDING DEVICE FOR ELECTRIC FENCE

#16
20220376486
2022-11-24

Electronic fuse circuit

#17
20220130628
2022-04-28

DC voltage switch

#18
20210336454
2021-10-28

Systems and methods for gate driver with field-adjustable UVLO

#19
20210194238
2021-06-24

Low voltage control system, low voltage protection method for an electronic device and a computer program product thereof

#20
20210068831
2021-03-11

End effector including magnetic and impedance sensors

#21
20210068830
2021-03-11

Smart cartridge wake up operation and data retention

#22
20200262297
2020-08-20

Vehicle power supply system

#23
20200093488
2020-03-26

Smart cartridge wake up operation and data retention

#24
20200093487
2020-03-26

Smart cartridge wake up operation and data retention

#25
20200085431
2020-03-19

Local display of tissue parameter stabilization

#26
20200062200
2020-02-27

Power distributor, and on-board electrical system having at least one power distributor

#27
20200033422
2020-01-30

Current monitor circuit

#28
20190267793
2019-08-29

Systems and methods for gate driver with field-adjustable UVLO

#29
20190252872
2019-08-15

Device for protecting an electronic computer against a short circuit

#30
20190214909
2019-07-11

Boosting battery voltage with boost converters

#31
20190165574
2019-05-30

Input voltage control device having three power lines

#32
20190125345
2019-05-02

Smart cartridge wake up operation and data retention

#33
20190109589
2019-04-11

Nano power under-voltage lockout circuits (UVLO) using flipped-gate MOS

#34
20190086978
2019-03-21

Determine a failure event of a power supply

#35
20190015102
2019-01-17

POLARITY OF HALL MAGNET TO DETECT MISLOADED CARTRIDGE

#36
20180358806
2018-12-13

POWER SUPPLY CONTROL APPARATUS

#37
20180310370
2018-10-25

Circuit for mitigating electric shock

#38
20180278042
2018-09-27

Fall-off protection and reverse-connection protection system and method for connecting clamp of automobile starting power supply

#39
20180226787
2018-08-09

Under voltage lockout circuit and device integrating with the same and reference voltage generating circuit

#40
20180205215
2018-07-19

Undervoltage protection circuit and overvoltage protection circuit

#41
20180191151
2018-07-05

Method of detecting electrical disturbance by DC component

#42
20180175729
2018-06-21

Direct current voltage conversion circuit and liquid crystal display device

#43
20180090963
2018-03-29

Timer-based thermal protection for power components of a switch mode power supply

#44
20180034461
2018-02-01

Circuit breaker device, especially for a vehicle electrical system

#45
20180013279
2018-01-11

High voltage cutoff for electrified vehicles

#46
20170359057
2017-12-14

Methods and Apparatus for Synchronized Control of Multi-Channel Load Switches

#47
20170279264
2017-09-28

Range extender and circuit protection method

#48
20170209145
2017-07-27

Powered medical device including measurement of closure state of jaws

#49
20170133834
2017-05-11

Transient protection for multi-terminal HVDC grid

#50
20160351365
2016-12-01

Electronic equipment, control program, and control method

#51
20160204602
2016-07-14

Device comprising chip and integrated circuit

#52
20160072269
2016-03-10

Assembly for electrically protecting a potential short-circuit or an overload in a direct current power network having a system-determined, variable source-internal resistance

#53
20160066915
2016-03-10

Polarity of hall magnet to identify cartridge type

#54
20160066912
2016-03-10

Circuitry and sensors for powered medical device

#55
20160066911
2016-03-10

Smart cartridge wake up operation and data retention

#56
20160064921
2016-03-03

Circuit for voltage detection and protection and operating method thereof

#57
20160028258
2016-01-28

Protective circuit of unit cell

#58
20150372476
2015-12-24

Power supply for isolated bus communication

#59
20150291088
2015-10-15

Power supply device and illumination device for vehicle using same

#60
20150280468
2015-10-01

METHOD AND DEVICE FOR TOTAL DISCHARGE PROTECTION OF A STORAGE BATTERY OF A HAND-HELD POWER TOOL

#61
20150255975
2015-09-10

High voltage cutoff for electrified vehicles

#62
20150138922
2015-05-21

Voltage drop protection apparatus, transmission device, and voltage drop protection system

#63
20150091469
2015-04-02

Undervoltage protection circuit for LED lamp

#64
20150085413
2015-03-26

Battery protection circuit and system

#65
20150022926
2015-01-22

Method and circuitry for battery protection

#66
20140340795
2014-11-20

Protection circuit

#67
20140253078
2014-09-11

Load drive circuit

#68
20140160802
2014-06-12

Fault protection and correction of line and load faults

#69
20140146429
2014-05-29

Undervoltage lockout circuit, switch control circuit and power supply device comprising the undervoltage lockout circuit

#70
20120320481
2012-12-20

Protection System

#71
20120293899
2012-11-22

Protection circuit

#72
20100141216
2010-06-10

Battery system and protection apparatus thereof

#73
20070201252
2007-08-30

Control circuit having two-level under voltage lockout threshold to improve the protection of power supply

#74
20060152872
2006-07-13

Automatic DC power detection device containing circuit protection device for over-voltage and over-current protection

#75
20060120007
2006-06-08

Apparatus for controlling interconnect switch

#76
20050248215
2005-11-10

System for detecting low voltage in an electric appliance

#77
16932563
2021-12-14

Undervoltage detection circuit