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Class Information
Number: 323/299
Name: Electricity: power supply or regulation systems > Input level responsive
Description: Subject matter which maintains an output at a desired level through the use of control means responsive to the input level.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6335654 |
Inrush current control circuit |
Jan. 1, 2002 |
| 6320363 |
Voltage regulator with improved transient response |
Nov. 20, 2001 |
| 6300751 |
Switching regulator control circuit avoiding break-down of the switching element |
Oct. 9, 2001 |
| 6281668 |
Switching regulator control circuit of PFM system and switching regulator thereof |
Aug. 28, 2001 |
| 6256385 |
Power supply adapter circuit |
Jul. 3, 2001 |
| 6242896 |
Converting available electrical power to desirable electrical power |
Jun. 5, 2001 |
| 6218821 |
Computer storage system incorporating marginable power supply and power-up bypass circuit |
Apr. 17, 2001 |
| 6204654 |
Dynamically boosted current source circuit |
Mar. 20, 2001 |
| 6204645 |
Battery charging controller |
Mar. 20, 2001 |
| 6184668 |
Voltage sensing circuit and method for preventing a low-voltage from being inadvertently sensed as a high-voltage during power-up or power-down |
Feb. 6, 2001 |
| 6172887 |
Circuit for supplying power, without the need for a battery, to the electronic control unit of a machine driven by an internal-combustion engine |
Jan. 9, 2001 |
| 6157177 |
Switched mode power supply for supplying a main and an auxiliary electrical circuit |
Dec. 5, 2000 |
| 6137700 |
Converter with a high power factor using a DC center point voltage |
Oct. 24, 2000 |
| 6130529 |
Secondary output holdover circuit for a switch-mode power supply |
Oct. 10, 2000 |
| 6115268 |
Method and apparatus for supplying uninterrupted power |
Sep. 5, 2000 |
| 6111391 |
Controller for solar electric generator for recreational vehicles |
Aug. 29, 2000 |
| 6107788 |
Power supply unit for use by on-vehicle equipment |
Aug. 22, 2000 |
| 6107787 |
Automobile dashboard light control |
Aug. 22, 2000 |
| 6091235 |
Power-on circuit for low dropout dual supply voltage regulator |
Jul. 18, 2000 |
| 6037761 |
Voltage supply circuit |
Mar. 14, 2000 |
| 6023158 |
Switch drive controller, method of operation thereof and power converter employing the same |
Feb. 8, 2000 |
| 6005302 |
Fixed-cycle power-supply circuit with an at least temporarily active consumer-independent load |
Dec. 21, 1999 |
| 5982156 |
Feed-forward control of aircraft bus dc boost converter |
Nov. 9, 1999 |
| 5982151 |
Battery charger and battery charging method |
Nov. 9, 1999 |
| 5973489 |
Expanded input voltage range for switch-mode power supply in broadband network |
Oct. 26, 1999 |
| 5939868 |
Method and apparatus for automatically controlling integrated circuit supply voltages |
Aug. 17, 1999 |
| 5936854 |
Direct-current power supply system and air conditioner |
Aug. 10, 1999 |
| 5932994 |
Solar cell power source device |
Aug. 3, 1999 |
| 5923158 |
Power control apparatus for solar power generation system |
Jul. 13, 1999 |
| 5909364 |
Device for switching between an A.C. voltage and a D.C. voltage |
Jun. 1, 1999 |
| 5903140 |
Low dissipation controllable electron valve |
May. 11, 1999 |
| 5894243 |
Three-pin buck and four-pin boost converter having open loop output voltage control |
Apr. 13, 1999 |
| 5892354 |
Voltage control apparatus and method for power supply |
Apr. 6, 1999 |
| 5886477 |
Driver of cold-cathode fluorescent lamp |
Mar. 23, 1999 |
| 5886514 |
Piezoelectric transformer driving curcuit and method capable of stabilizing load current |
Mar. 23, 1999 |
| 5875105 |
Power supply apparatus for controlling electrical elements of vehicles |
Feb. 23, 1999 |
| 5869956 |
Solar power generation apparatus and power control device therefor |
Feb. 9, 1999 |
| 5867011 |
Maximum power point detecting circuit |
Feb. 2, 1999 |
| 5856740 |
Shunt voltage regulator with a variable load unit |
Jan. 5, 1999 |
| 5847549 |
Power converter stabilization loop |
Dec. 8, 1998 |
| 5847555 |
Source voltage sensitive load controller |
Dec. 8, 1998 |
| 5838148 |
Power control method and apparatus for battery power supply and battery power supply system |
Nov. 17, 1998 |
| 5825166 |
Power supply self-adjusted circuit for dual or multiple voltage integrated circuits |
Oct. 20, 1998 |
| 5787014 |
Method and apparatus for automatically controlling integrated circuit supply voltages |
Jul. 28, 1998 |
| 5781002 |
Anti-latch circuit for low dropout dual supply voltage regulator |
Jul. 14, 1998 |
| 5760572 |
Intermittent motion apparatus |
Jun. 2, 1998 |
| 5739679 |
Cold cathode tube lighting device using piezoelectric transformer |
Apr. 14, 1998 |
| 5731695 |
Voltage limiter circuit |
Mar. 24, 1998 |
| 5714874 |
Fuel cell voltage generator |
Feb. 3, 1998 |
| 5703474 |
Power transfer of piezoelectric generated energy |
Dec. 30, 1997 |
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