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Class Information
Number: 363/56.03
Name: Electric power conversion systems > Current conversion > Including automatic or integral protection means > For inverters > Transistor inverter > Bridge type > Having current protection (e.g., over current, short, etc.)
Description: Subject matter including protection from an abnormal or unsafe current condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616462 |
Power supply controller to actively drive a load current when the load current exceeds a set point |
Nov. 10, 2009 |
| 7613019 |
Method and apparatus to limit maximum switch current in a switch of a switching power supply |
Nov. 3, 2009 |
| 7561449 |
DC-AC converter and method for protecting DC-AC converter from overcurrent |
Jul. 14, 2009 |
| 7561450 |
Protection device for a converter and related method |
Jul. 14, 2009 |
| 7550952 |
Electric power control apparatus, power generation system and power grid system |
Jun. 23, 2009 |
| 7539028 |
Method and apparatus for fault detection in a switching power supply |
May. 26, 2009 |
| 7531970 |
Power source driving circuits and controllers thereof |
May. 12, 2009 |
| 7489531 |
Inverter with improved overcurrent protection circuit, and power supply and electronic ballast therefor |
Feb. 10, 2009 |
| 7457136 |
Overcurrent protective device for switching element |
Nov. 25, 2008 |
| 7443698 |
Converter circuit for switching of a multiplicity of switching voltage levels |
Oct. 28, 2008 |
| 7440297 |
Fault detection for loss of feeback in forced switching power supplies with power factor correction |
Oct. 21, 2008 |
| 7414867 |
Power conversion device |
Aug. 19, 2008 |
| 7405953 |
Driving circuit for power switching device |
Jul. 29, 2008 |
| RE39926 |
Arc-machining power supply with switching loss reducing element |
Nov. 27, 2007 |
| 7292460 |
Converter circuit for switching a large number of switching voltage levels |
Nov. 6, 2007 |
| 7262979 |
Current source wave voltage inverter voltage-clamping and soft-switching techniques, and fuel cell system using the same |
Aug. 28, 2007 |
| 7208883 |
Current detection circuit, and power supply apparatus, power supply system and electronic apparatus using the current detection circuit |
Apr. 24, 2007 |
| 7196503 |
Current averaging circuit for a PWM power converter |
Mar. 27, 2007 |
| 7177131 |
Control circuit of power supply with selectable current-limiting modes |
Feb. 13, 2007 |
| 7162656 |
Dynamic protection circuit |
Jan. 9, 2007 |
| 7110272 |
Inverter bridge controller implementing short-circuit protection scheme |
Sep. 19, 2006 |
| 7079406 |
Power converting apparatus, control method therefor, and solar power generation apparatus |
Jul. 18, 2006 |
| 7064943 |
Boost-type switching power device |
Jun. 20, 2006 |
| 7042161 |
Ballast with arc protection circuit |
May. 9, 2006 |
| 7042166 |
Circuit arrangement for operating electric lamps |
May. 9, 2006 |
| 7031172 |
PMW inverter control apparatus and control method |
Apr. 18, 2006 |
| 7006365 |
Switching power supply apparatus |
Feb. 28, 2006 |
| 6995994 |
Converter and a method for controlling a converter |
Feb. 7, 2006 |
| 6995989 |
Half-bridge-type control signal generating circuit and method thereof |
Feb. 7, 2006 |
| 6975523 |
Power supply capable of protecting electric device circuit |
Dec. 13, 2005 |
| 6963216 |
Method and apparatus for detecting shorted rectifying control elements of an engine driven power source for welding-type system |
Nov. 8, 2005 |
| 6950323 |
Method for regulating an inverter system |
Sep. 27, 2005 |
| 6888729 |
Single module electric power conversion apparatus |
May. 3, 2005 |
| 6879501 |
Switching power supply |
Apr. 12, 2005 |
| 6812396 |
Photovoltaic power generation system |
Nov. 2, 2004 |
| 6804130 |
Inverter device and current limiting method therefor |
Oct. 12, 2004 |
| 6791851 |
Isolated drive circuitry used in switch-mode power converters |
Sep. 14, 2004 |
| 6765373 |
Control of initial current transients |
Jul. 20, 2004 |
| 6760237 |
Inverter for alternating current generator-motor |
Jul. 6, 2004 |
| 6750576 |
Permanent magnet induced electric machine and method for operating such a machine |
Jun. 15, 2004 |
| 6735098 |
Inrush current limiting circuit, power source device and power conversion device |
May. 11, 2004 |
| 6735094 |
Low-noise multi-output power supply circuit featuring efficient linear regulators and method of design |
May. 11, 2004 |
| 6717828 |
Power semiconductor device |
Apr. 6, 2004 |
| 6714424 |
Dead-time compensation with narrow pulse elimination in solid- state switch devices |
Mar. 30, 2004 |
| 6687136 |
Arc-machining power supply with switching loss reducing element |
Feb. 3, 2004 |
| 6665199 |
Device supplied with current of limited strength |
Dec. 16, 2003 |
| 6661681 |
Power converter apparatus with a circuit for preventing destruction of a power device |
Dec. 9, 2003 |
| 6639811 |
Switching power supply unit |
Oct. 28, 2003 |
| 6587051 |
Power converting apparatus and burglarproof method therefor |
Jul. 1, 2003 |
| 6556458 |
Inverter device with improved current detector |
Apr. 29, 2003 |
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