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Class Information
Number: 323/274
Name: Electricity: power supply or regulation systems > Output level responsive > Using a three or more terminal semiconductive device as the final control device > Linearly acting > With threshold detection
Description: Subject matter wherein the system includes means which responds within a predetermined range or the means abruptly changes its conductive state at a predetermined level of the output.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7622905 |
Voltage regulator of a DC power supply |
Nov. 24, 2009 |
| 7613442 |
Switch circuit and method of switching radio frequency signals |
Nov. 3, 2009 |
| 7612549 |
Low drop-out regulator with fast current limit |
Nov. 3, 2009 |
| 7609042 |
Controller for DC-DC converter and method for controlling DC-DC converter |
Oct. 27, 2009 |
| 7605572 |
Input current sensing AVP method for future VRM |
Oct. 20, 2009 |
| 7598716 |
Low pass filter low drop-out voltage regulator |
Oct. 6, 2009 |
| 7583067 |
Variable power output regulator |
Sep. 1, 2009 |
| 7579815 |
Current controlling circuit arrangement and associated method for reducing crosstalk |
Aug. 25, 2009 |
| 7576523 |
Power supply circuit and semiconductor memory |
Aug. 18, 2009 |
| 7567067 |
Power supply, display device, and light source driving apparatus |
Jul. 28, 2009 |
| 7567047 |
Electric motor control strategies for using a low resolution position sensor |
Jul. 28, 2009 |
| 7564230 |
Voltage regulated power supply system |
Jul. 21, 2009 |
| 7560915 |
Power supply apparatus provided with regulation function and boosting of a regulated voltage |
Jul. 14, 2009 |
| 7557556 |
Voltage control circuit |
Jul. 7, 2009 |
| 7557549 |
Automatic output mode select for an actuator controller |
Jul. 7, 2009 |
| 7548044 |
Constant-voltage power circuit with fold back current limiting capability |
Jun. 16, 2009 |
| 7541794 |
Integrated FET synchronous multiphase buck converter with innovative oscillator |
Jun. 2, 2009 |
| 7538528 |
Constant power foldback mechanism programmable to approximate safe operating area of pass device for providing connection to load |
May. 26, 2009 |
| 7538992 |
System, device, and method for over-current relays protecting motors |
May. 26, 2009 |
| 7531995 |
Electronic device |
May. 12, 2009 |
| 7529532 |
Switch circuit and method of switching radio frequency signals |
May. 5, 2009 |
| 7525294 |
High-voltage regulator system compatible with low-voltage technologies and corresponding electronic circuit |
Apr. 28, 2009 |
| 7521909 |
Linear regulator and method therefor |
Apr. 21, 2009 |
| 7521912 |
Power supply apparatus |
Apr. 21, 2009 |
| 7521911 |
Switching power supply capable of always switching a switching element at an optimal timing |
Apr. 21, 2009 |
| 7518347 |
Regulator circuit |
Apr. 14, 2009 |
| 7508177 |
Method and circuit for reducing regulator output noise |
Mar. 24, 2009 |
| 7508179 |
Dual input prioritized LDO regulator |
Mar. 24, 2009 |
| 7504809 |
Power supply and a device for providing a control voltage that is substantially equivalent to a reference voltage used by the power supply |
Mar. 17, 2009 |
| 7498778 |
ORing circuit |
Mar. 3, 2009 |
| 7466117 |
Multi-function voltage regulator |
Dec. 16, 2008 |
| 7463464 |
Method and apparatus for sensing brushless DC motor average current from overcurrent protection circuitry |
Dec. 9, 2008 |
| 7459891 |
Soft-start circuit and method for low-dropout voltage regulators |
Dec. 2, 2008 |
| 7456619 |
Power supply circuit |
Nov. 25, 2008 |
| 7453239 |
Charging apparatus having a switching element for controlling charging power |
Nov. 18, 2008 |
| 7449872 |
Low-power programmable low-drop-out voltage regulator system |
Nov. 11, 2008 |
| 7443702 |
High voltage start up circuit for power converters |
Oct. 28, 2008 |
| 7439718 |
Apparatus and method for high speed voltage regulation |
Oct. 21, 2008 |
| 7425812 |
Ramp rate closed-loop control (RRCC) for PC cooling fans |
Sep. 16, 2008 |
| 7420357 |
Hysteretic DC/DC converter |
Sep. 2, 2008 |
| 7414384 |
Series regulator circuit |
Aug. 19, 2008 |
| 7411367 |
Full bridge circuit and DC motor capable of fixing output voltage and avoiding reverse current |
Aug. 12, 2008 |
| 7402984 |
Oscillation sensor for linear regulation circuit |
Jul. 22, 2008 |
| 7402970 |
Electric power steering device |
Jul. 22, 2008 |
| 7402985 |
Dual path linear voltage regulator |
Jul. 22, 2008 |
| 7400121 |
Soft-start system for voltage regulator and method of implementing soft-start |
Jul. 15, 2008 |
| 7397230 |
Integrated FET synchronous multiphase buck converter with innovative oscillator |
Jul. 8, 2008 |
| 7391192 |
Apparatus and system for providing transient suppression power regulation |
Jun. 24, 2008 |
| 7388342 |
System and method for controlling a motor using forced speed control |
Jun. 17, 2008 |
| 7365524 |
Tip having active circuitry |
Apr. 29, 2008 |
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