ClassID:

216867

H02H9/048 - CPC Classification

Classification description:

Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage Anti-latching or quenching devices, i.e. bringing the protection device back to its normal state after a protection action

Recent Application in this class:
#1
20260121402
2026-04-30

ESD PROTECTION CIRCUIT

#2
20250174988
2025-05-29

SURGE PROTECTION CIRCUIT, POWER SUPPLY DEVICE USING SAME, AND LED ILLUMINATION DEVICE

#3
20240258792
2024-08-01

HIGH-CURRENT, BIDIRECTIONAL PROTECTION CIRCUITS AND METHODS

#4
20230020744
2023-01-19

Surge protection circuit, power supply device using same, and LED illumination device

#5
20220393463
2022-12-08

High-voltage, bidirectional protection circuits and methods

#6
20210057908
2021-02-25

Reduced flyback ESD surge protection

#7
20200373756
2020-11-26

Over-voltage protection circuit for USB Type-C connector

#8
20190302822
2019-10-03

Switching regulator and control circuit and control method thereof

#9
20190215919
2019-07-11

Method of lighting driver protection in case of loss of neutral connection, and lighting driver including such protection

#10
20180309285
2018-10-25

Crowbar protection circuit with discharge rate control

#11
20160190794
2016-06-30

Overvoltage protection circuit for USB interface

#12
20160149403
2016-05-26

Electrostatic protection circuit and semiconductor integrated circuit apparatus

#13
20160020607
2016-01-21

Shut-off circuits for latched active ESD FET

#14
20140355157
2014-12-04

Electrostatic discharge (ESD) protection circuit with EOS and latch-up immunity

#15
20140233145
2014-08-21

Circuit arrangement for protection against electrostatic discharges and a method for operating same

#16
20140185168
2014-07-03

Shut-off circuits for latched active ESD FET

#17
20120287540
2012-11-15

Circuitry to prevent overvoltage of circuit systems

#18
20120243138
2012-09-27

Surge protector

#19
20110110004
2011-05-12

Circuit arrangement for protection from electrostatic discharges and method for operating same