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Class Information
Number: 323/265
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device
Description: Subject matter wherein the final control device within the output level responsive system is a transistor or semiconductor controlled rectifier.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7616465 |
Energy storage and hold-up method and apparatus for high density power conversion |
Nov. 10, 2009 |
| 7570031 |
Method and apparatus for preventing multiple attempted firings of a semiconductor switch in a load control device |
Aug. 4, 2009 |
| 7550951 |
Two-step battery charger |
Jun. 23, 2009 |
| 7548042 |
DC-DC converter device and method for operating the dc-dc converter of a motor vehicle on-board electrical system |
Jun. 16, 2009 |
| 7548441 |
Universal AC adapter |
Jun. 16, 2009 |
| 7511462 |
DC power conversion circuit having self-auxiliary power and self-protection |
Mar. 31, 2009 |
| 7489198 |
Linear regulating switch |
Feb. 10, 2009 |
| 7477096 |
Radiation tolerant DC/DC converter with non-radiation hardened parts |
Jan. 13, 2009 |
| 7449869 |
Digital current mode controller with low frequency current sampling |
Nov. 11, 2008 |
| 7408795 |
Energy storage and hold-up method and apparatus for high density power conversion |
Aug. 5, 2008 |
| 7342440 |
Current regulator having a transistor and a measuring resistor |
Mar. 11, 2008 |
| 7319310 |
Regulated power supply unit |
Jan. 15, 2008 |
| 7317455 |
Bias voltage offset circuit |
Jan. 8, 2008 |
| 7312972 |
Actuator driving apparatus |
Dec. 25, 2007 |
| 7271550 |
Dimmer circuit arrangement |
Sep. 18, 2007 |
| 7268314 |
Discharge-processing power source device |
Sep. 11, 2007 |
| 7202645 |
Regulated power supply unit |
Apr. 10, 2007 |
| 7068000 |
Torque control device for electrical tools |
Jun. 27, 2006 |
| 6982888 |
Unregulated electrical converter |
Jan. 3, 2006 |
| 6978386 |
Method and apparatus for regulating current for programmable logic controllers |
Dec. 20, 2005 |
| 6933707 |
FET current regulation of LEDs |
Aug. 23, 2005 |
| 6861830 |
Method of improving transient noise of a switching DC-to-DC converter with multiple output voltages |
Mar. 1, 2005 |
| 6778416 |
Unregulated voltage converter with independent switching |
Aug. 17, 2004 |
| 6778001 |
Semiconductor circuit components for supplying power to a load |
Aug. 17, 2004 |
| 6756752 |
Circuit arrangement for controlling a load |
Jun. 29, 2004 |
| 6605967 |
Low power consumption output driver circuit and supply voltage detection circuit |
Aug. 12, 2003 |
| 6469477 |
Power-on reset circuit |
Oct. 22, 2002 |
| 6362605 |
Method and apparatus for providing power to an integrated circuit |
Mar. 26, 2002 |
| 6249109 |
Heat transfer from active high drop regulator |
Jun. 19, 2001 |
| 6140805 |
Source follower NMOS voltage regulator with PMOS switching element |
Oct. 31, 2000 |
| 6114842 |
Precision voltage regulator for capacitor-charging power supply |
Sep. 5, 2000 |
| 6014018 |
Voltage-reducing device with low power dissipation |
Jan. 11, 2000 |
| 5963023 |
Power surge management for high performance integrated circuit |
Oct. 5, 1999 |
| 5932938 |
Switching power supply unit |
Aug. 3, 1999 |
| 5930129 |
Power on reset circuit |
Jul. 27, 1999 |
| 5811948 |
Control apparatus for electric motor |
Sep. 22, 1998 |
| 5754732 |
Distributed power supply for high frequency PWM motor controller with IGBT switching transistors |
May. 19, 1998 |
| 5748327 |
Image communicating apparatus with direct supply of power from a battery to various units |
May. 5, 1998 |
| 5719490 |
Dual sourced voltage supply circuit |
Feb. 17, 1998 |
| 5708354 |
Portable electromagnetic acoustic transducer pulser controller |
Jan. 13, 1998 |
| 5703415 |
Power supply circuit |
Dec. 30, 1997 |
| 5691579 |
Current switching circuit operable at high speed without externally supplied reference bias |
Nov. 25, 1997 |
| 5661374 |
LED light strip with brightness/current draw control circuitry |
Aug. 26, 1997 |
| 5619081 |
Asymmetrical AC trigger simulation |
Apr. 8, 1997 |
| 5619126 |
Circuit arrangement for automatically decreasing the load current |
Apr. 8, 1997 |
| 5579192 |
Thyristor power control circuit |
Nov. 26, 1996 |
| 5548204 |
Linear/switching regulator circuit |
Aug. 20, 1996 |
| 5523660 |
Motor control circuit and motor drive system using the same |
Jun. 4, 1996 |
| 5497119 |
High precision voltage regulation circuit for programming multilevel flash memory |
Mar. 5, 1996 |
| 5444360 |
Maintenance reduction apparatus |
Aug. 22, 1995 |
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