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Class Information
Number: 363/50
Name: Electric power conversion systems > Current conversion > Including automatic or integral protection means
Description: Subject matter including means which are automatically responsive to an abnormal or unsafe condition and either disables the system or corrects the abnormal or unsafe condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7379310 |
Over-voltage protection circuit for a switched mode power supply |
May. 27, 2008 |
| 7355867 |
Power supply for an electric meter having a high-voltage regulator that limits the voltage applied to certain components below the normal operating input voltage |
Apr. 8, 2008 |
| 7355866 |
Method of detecting phase-loss state of three-phase power supply |
Apr. 8, 2008 |
| 7352544 |
Method and apparatus for providing a remedial strategy for an electrical circuit |
Apr. 1, 2008 |
| 7315130 |
Switching control for inverter startup and shutdown |
Jan. 1, 2008 |
| 7253577 |
Independent safety processor for disabling the operation of high power devices |
Aug. 7, 2007 |
| 7242153 |
Pulse width modulation inverter circuit and control method thereof |
Jul. 10, 2007 |
| 7236003 |
H-bridge circuit with shoot through current prevention during power-up |
Jun. 26, 2007 |
| 7233507 |
Non dissipative snubber circuit with saturable reactor |
Jun. 19, 2007 |
| 7180757 |
Sequential soft-start circuit for multiple circuit channels |
Feb. 20, 2007 |
| 7135845 |
Drive circuit for a switch in a switching converter and method for driving a switch in a switching converter |
Nov. 14, 2006 |
| 7123492 |
Circuit for reducing inrush current generated during startup of a switching power supply |
Oct. 17, 2006 |
| 7110271 |
Inrush current prevention circuit for DC-DC converter |
Sep. 19, 2006 |
| 7081719 |
Computer power supply with a display function |
Jul. 25, 2006 |
| 7072192 |
Power circuit restraining rush current |
Jul. 4, 2006 |
| 7049879 |
Power supply circuit with control of rise characteristics of output voltage |
May. 23, 2006 |
| 7042198 |
System using a power converter |
May. 9, 2006 |
| 7015681 |
Power switching circuit with current sharing capability |
Mar. 21, 2006 |
| 7016207 |
Power inverter |
Mar. 21, 2006 |
| 7012816 |
Self-excited switching power supply circuit |
Mar. 14, 2006 |
| 6975522 |
Device and method for inhibiting power fluctuation |
Dec. 13, 2005 |
| 6952356 |
Adaptive over-current detection |
Oct. 4, 2005 |
| 6919711 |
Electrical machine and an electrical power generating system |
Jul. 19, 2005 |
| 6912411 |
External power supply control system for cellular phone |
Jun. 28, 2005 |
| 6909619 |
Spike control apparatus for DC-DC converter |
Jun. 21, 2005 |
| 6867575 |
Switching mode power supply incorporating power line filter |
Mar. 15, 2005 |
| 6833597 |
Integrated MEMS power-save switch |
Dec. 21, 2004 |
| 6747458 |
Method for monitoring the ground potential of a rectifier drive |
Jun. 8, 2004 |
| 6744647 |
Parallel connected converters apparatus and methods using switching cycle with energy holding state |
Jun. 1, 2004 |
| 6744645 |
Output feedback and under-voltage detection system |
Jun. 1, 2004 |
| 6738269 |
Line linkage protective device for electricity generation equipment |
May. 18, 2004 |
| 6738270 |
Parallel power source system |
May. 18, 2004 |
| 6724313 |
Fault detection system |
Apr. 20, 2004 |
| 6693806 |
Electric power source |
Feb. 17, 2004 |
| 6687140 |
Disconnection detecting circuit detecting disconnection based on a change in detection signal |
Feb. 3, 2004 |
| 6674657 |
Overvoltage-protective device for power system, AC/DC converter and DC/DC converter constituting the power system |
Jan. 6, 2004 |
| 6657874 |
Semiconductor converter circuit and circuit module |
Dec. 2, 2003 |
| 6614991 |
Inverter-fed three-phase motor for household appliance, especially for the direct drive of washing machines |
Sep. 2, 2003 |
| 6603647 |
Method for controlling freewheeling paths in a matrix converter |
Aug. 5, 2003 |
| 6593520 |
Solar power generation apparatus and control method therefor |
Jul. 15, 2003 |
| 6594163 |
Reverse load current isolation circuit for parallelable power supply |
Jul. 15, 2003 |
| 6583997 |
Ultra-wide input range switching power supply for circuit protection devices |
Jun. 24, 2003 |
| 6580622 |
Output feedback and under-voltage detection system |
Jun. 17, 2003 |
| 6574081 |
DC-DC converter |
Jun. 3, 2003 |
| 6574123 |
Power supply for electrostatic air filtration |
Jun. 3, 2003 |
| 6560129 |
Power supply unit and process for generating protective currents to protect metal lines against corrosion |
May. 6, 2003 |
| 6560128 |
Ferroresonance-suppressing static transfer switch |
May. 6, 2003 |
| 6495972 |
Dielectric barrier discharge lamp light source |
Dec. 17, 2002 |
| 6438002 |
Active snubber circuit with controllable DV/DT |
Aug. 20, 2002 |
| 6437302 |
Interruptible variable frequency power supply and load matching circuit, and method of design |
Aug. 20, 2002 |
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