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Class Information
Number: 323/270
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Including plural final control devices > Linearly acting series connected
Description: Subject matter wherein the plural devices are connected in series and are operated in their linear range.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7615976 |
Switching circuit of power converter having voltage-clipping device to improve efficiency |
Nov. 10, 2009 |
| 7589507 |
Low dropout regulator with stability compensation |
Sep. 15, 2009 |
| 7570031 |
Method and apparatus for preventing multiple attempted firings of a semiconductor switch in a load control device |
Aug. 4, 2009 |
| 7567067 |
Power supply, display device, and light source driving apparatus |
Jul. 28, 2009 |
| 7560913 |
Input-tracking, automatic output-margining method and system |
Jul. 14, 2009 |
| 7518347 |
Regulator circuit |
Apr. 14, 2009 |
| 7518346 |
Buck-boost DC/DC converter with overlap control using ramp shift signal |
Apr. 14, 2009 |
| 7498780 |
Linear voltage regulating circuit with undershoot minimization and method thereof |
Mar. 3, 2009 |
| 7489118 |
Method and apparatus for high-efficiency DC stabilized power supply capable of effectively reducing noises and ripples |
Feb. 10, 2009 |
| 7482790 |
Voltage regulator output stage with low voltage MOS devices |
Jan. 27, 2009 |
| 7477043 |
Voltage regulator output stage with low voltage MOS devices |
Jan. 13, 2009 |
| 7477044 |
Voltage regulator output stage with low voltage MOS devices |
Jan. 13, 2009 |
| 7477046 |
Voltage regulator output stage with low voltage MOS devices |
Jan. 13, 2009 |
| 7456619 |
Power supply circuit |
Nov. 25, 2008 |
| 7402985 |
Dual path linear voltage regulator |
Jul. 22, 2008 |
| 7262585 |
Method and apparatus for bi-directional current limit in a dual-power source capable device |
Aug. 28, 2007 |
| 7215103 |
Power conservation by reducing quiescent current in low power and standby modes |
May. 8, 2007 |
| 7199567 |
Voltage regulator output stage with low voltage MOS devices |
Apr. 3, 2007 |
| 7196501 |
Linear regulator |
Mar. 27, 2007 |
| 7026800 |
Feed-forward method for improving a transient response for a DC--DC power conversion and DC--DC voltage converter utilizing the same |
Apr. 11, 2006 |
| 6967470 |
Voltage regulator combining a series type regulator with a shunt type regulator having a constant current source |
Nov. 22, 2005 |
| 6943640 |
Current source modulator |
Sep. 13, 2005 |
| 6876180 |
Power supply circuit having a start up circuit |
Apr. 5, 2005 |
| 6756752 |
Circuit arrangement for controlling a load |
Jun. 29, 2004 |
| 6713974 |
Lamp transformer for use with an electronic dimmer and method for use thereof for reducing acoustic noise |
Mar. 30, 2004 |
| 6707280 |
Bidirectional voltage regulator sourcing and sinking current for line termination |
Mar. 16, 2004 |
| 6703813 |
Low drop-out voltage regulator |
Mar. 9, 2004 |
| 6696822 |
Voltage regulator with a constant current circuit and additional current sourcing/sinking |
Feb. 24, 2004 |
| 6600297 |
Power supply unit for regulating output voltage using a series regulator |
Jul. 29, 2003 |
| 6459246 |
Voltage regulator |
Oct. 1, 2002 |
| 6320359 |
DC-DC converter and controller for detecting a malfunction therein |
Nov. 20, 2001 |
| 6175222 |
Solid-state high voltage linear regulator circuit |
Jan. 16, 2001 |
| 5881148 |
T1 channel bank control process and apparatus |
Mar. 9, 1999 |
| 5838146 |
Method and apparatus for providing ESD/EOS protection for IC power supply pins |
Nov. 17, 1998 |
| 5801520 |
Supply voltage switching apparatus |
Sep. 1, 1998 |
| 5786685 |
Accurate high voltage energy storage and voltage limiter |
Jul. 28, 1998 |
| 5781001 |
Display-driving voltage generating apparatus |
Jul. 14, 1998 |
| 5740241 |
T1 channel bank control process and apparatus |
Apr. 14, 1998 |
| 5629609 |
Method and apparatus for improving the drop-out voltage in a low drop out voltage regulator |
May. 13, 1997 |
| RE35313 |
Semiconductor integrated circuit with voltage limiter having different output ranges from normal operation and performing of aging tests |
Aug. 13, 1996 |
| 5525895 |
Power supply for portable telephone |
Jun. 11, 1996 |
| 5495165 |
High-voltage power supply and regulator circuit for an x-ray tube with transient voltage protection |
Feb. 27, 1996 |
| 5397977 |
Integrated circuit comprising a unit for controlling a load of an inductive nature which unit limits parasitic effects in the integrated circuit caused by voltage transients |
Mar. 14, 1995 |
| 5329224 |
Automotive voltage regulator circuit including serial voltage regulators |
Jul. 12, 1994 |
| 5309082 |
Hybrid linear-switching power supply |
May. 3, 1994 |
| 5241260 |
High voltage power supply and regulator circuit for an X-ray tube with transient voltage protection |
Aug. 31, 1993 |
| 5202618 |
Power supply system for electric circuits different in operating voltage |
Apr. 13, 1993 |
| 5189600 |
Combined power supply for main and stand-by power |
Feb. 23, 1993 |
| 5070538 |
Wide band domino effect high voltage regulator |
Dec. 3, 1991 |
| 5068592 |
Detector of the regulated voltage two wire type |
Nov. 26, 1991 |
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