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Class Information
Number: 363/131
Name: Electric power conversion systems > Current conversion > Using semiconductor-type converter > In transistor inverter systems
Description: Subject matter wherein the semiconductor device includes a transistor type element.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7599202 |
DC-AC converter with feedback signal control circuit utilizing power supply voltage, controller IC therefor, and electronic apparatus utilizing the DC-AC converter |
Oct. 6, 2009 |
| 7586759 |
Power source apparatus |
Sep. 8, 2009 |
| 7542308 |
DC-DC converter |
Jun. 2, 2009 |
| 7542312 |
Electric power converter |
Jun. 2, 2009 |
| 7542317 |
Semiconductor device and power conversion apparatus using the same |
Jun. 2, 2009 |
| 7539028 |
Method and apparatus for fault detection in a switching power supply |
May. 26, 2009 |
| 7528588 |
Method and circuit for limiting output voltage in a switched-mode power supply and a switched-mode power supply |
May. 5, 2009 |
| 7529105 |
Configuring a power converter to operate with or without burst mode functionality |
May. 5, 2009 |
| 7521908 |
Method and apparatus for reducing audio noise in a switching regulator |
Apr. 21, 2009 |
| 7518885 |
Method and apparatus for a control circuit with multiple operation modes |
Apr. 14, 2009 |
| 7515443 |
Inverter circuit |
Apr. 7, 2009 |
| 7508685 |
Stabilized power supply |
Mar. 24, 2009 |
| 7504811 |
DC/DC converter |
Mar. 17, 2009 |
| 7495933 |
Resonance transducer |
Feb. 24, 2009 |
| 7489530 |
High voltage full bridge circuit and method for operating the same |
Feb. 10, 2009 |
| 7486528 |
Linear-predict sampling for measuring demagnetized voltage of transformer |
Feb. 3, 2009 |
| 7471526 |
Method and apparatus to reduce PWM voltage distortion in electric drives |
Dec. 30, 2008 |
| 7471523 |
Method and apparatus for detecting demagnetizing time of magnetic device |
Dec. 30, 2008 |
| 7471534 |
Inverter type motor drive unit |
Dec. 30, 2008 |
| 7463500 |
Monopolar DC to bipolar DC to AC converter |
Dec. 9, 2008 |
| 7459877 |
Solid state reversing AC motor starter with DC power source |
Dec. 2, 2008 |
| 7460380 |
Highly efficient switching power converter using a charge pump to power the drive circuit |
Dec. 2, 2008 |
| 7436160 |
Half bridge adaptive dead time circuit and method |
Oct. 14, 2008 |
| 7414864 |
Switching power supply apparatus |
Aug. 19, 2008 |
| 7411801 |
Method and apparatus for controlling voltage linearity of voltage source inverters |
Aug. 12, 2008 |
| 7400122 |
Method and apparatus for reducing audio noise in a switching regulator |
Jul. 15, 2008 |
| 7397679 |
Inductive transmission of electric energy |
Jul. 8, 2008 |
| 7375984 |
Zero voltage zero current switching converter |
May. 20, 2008 |
| 7362600 |
Method and apparatus for cycle error correction for a power converter device, such as an electronic power inverter |
Apr. 22, 2008 |
| 7359222 |
Method and apparatus to improve regulation of a power supply |
Apr. 15, 2008 |
| 7355864 |
Switching regulator and its control method |
Apr. 8, 2008 |
| 7339801 |
Switching power supply circuit |
Mar. 4, 2008 |
| 7336510 |
Method and system for increasing load start-up capability of a DC-to-AC converter |
Feb. 26, 2008 |
| 7332882 |
Motor drive device that combined charge controller |
Feb. 19, 2008 |
| 7333353 |
Isolating type self-oscillating flyback converter with a soft start loop |
Feb. 19, 2008 |
| 7315462 |
Stabilized power supply |
Jan. 1, 2008 |
| 7310247 |
Method for controlling transformer excitation cycles and circuit for controlling the same |
Dec. 18, 2007 |
| RE39933 |
Power conversion integrated circuit and method for programming |
Dec. 4, 2007 |
| 7301785 |
Switching power supply circuit |
Nov. 27, 2007 |
| 7295449 |
Simple switched-mode power supply with current and voltage limitation |
Nov. 13, 2007 |
| 7289338 |
Input to output isolated DC-DC converter |
Oct. 30, 2007 |
| 7279811 |
Arrangement for supplying variable loads |
Oct. 9, 2007 |
| 7277304 |
Multiple inverter system with single controller and related operating method |
Oct. 2, 2007 |
| 7274578 |
Converter circuit having class E converter modules |
Sep. 25, 2007 |
| 7272026 |
Power converter for a hybrid power filter |
Sep. 18, 2007 |
| 7248029 |
Off-line converter with digital control |
Jul. 24, 2007 |
| 7218910 |
High impedance circuit |
May. 15, 2007 |
| 7218539 |
Technique for increasing power capability of a DC-to-AC converter |
May. 15, 2007 |
| 7211991 |
Method and apparatus for reducing audio noise in a switching regulator |
May. 1, 2007 |
| 7209371 |
Method and apparatus for extending the operating range of a flyforward converter |
Apr. 24, 2007 |
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