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Class Information
Number: 315/307
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation > Automatic regulation
Description: Systems wherein the regulation of the current or potential supplied to the load device is automatically controlled in response to some condition.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7119493 |
Control of electroluminescent displays |
Oct. 10, 2006 |
| 7119490 |
Starter for minimizing damage to lamp electrodes of a discharge lamp at startup |
Oct. 10, 2006 |
| 7116063 |
Dimmable discharge lamp lighting device |
Oct. 3, 2006 |
| 7113893 |
Lamp monitoring and control unit and method |
Sep. 26, 2006 |
| 7109668 |
Electronic lighting ballast |
Sep. 19, 2006 |
| 7109666 |
Lighting device for a dielectric barrier discharge lamp |
Sep. 19, 2006 |
| 7109659 |
High-intensity discharge lamp ballast and method for operating high-intensity discharge lamp |
Sep. 19, 2006 |
| 7102300 |
Ballast device with built-in power supply and operation thereof |
Sep. 5, 2006 |
| 7098605 |
Full digital dimming ballast for a fluorescent lamp |
Aug. 29, 2006 |
| 7098606 |
Electronic ballast with open circuit voltage control and cable compensation |
Aug. 29, 2006 |
| 7098607 |
Electronic ballast with lossless snubber capacitor circuit |
Aug. 29, 2006 |
| 7098608 |
Lossless circuit for sampling of lamp voltage |
Aug. 29, 2006 |
| 7095181 |
Method and apparatus for controllably generating sparks in an ignition system or the like |
Aug. 22, 2006 |
| 7095183 |
Control system for a resonant inverter with a self-oscillating driver |
Aug. 22, 2006 |
| 7095185 |
Fluorescent lamp electronic ballast |
Aug. 22, 2006 |
| 7095186 |
Control circuit for controlling an electron-emitting device |
Aug. 22, 2006 |
| 7091676 |
Arc maintenance device for high density discharge lamps including an adaptive wave form monitor |
Aug. 15, 2006 |
| 7091874 |
Temperature compensated warning light |
Aug. 15, 2006 |
| 7093140 |
Method and apparatus for configuring a voltage regulator based on current information |
Aug. 15, 2006 |
| 7084579 |
Two light level ballast |
Aug. 1, 2006 |
| 7084581 |
Device and method for controlling a gas discharge lamp, and lighting system with gas discharge lamp and control device |
Aug. 1, 2006 |
| 7084584 |
Low frequency inverter fed by a high frequency AC current source |
Aug. 1, 2006 |
| 7084586 |
Discharge lamp lighting apparatus and discharge lamp apparatus |
Aug. 1, 2006 |
| 7081721 |
Projection type video display apparatus |
Jul. 25, 2006 |
| 7081743 |
Intelligent power supply and control method thereof |
Jul. 25, 2006 |
| 7077530 |
Projector of external power supply |
Jul. 18, 2006 |
| 7078870 |
Simplified topology for HID lamps |
Jul. 18, 2006 |
| 7075251 |
Universal platform for phase dimming discharge lighting ballast and lamp |
Jul. 11, 2006 |
| 7075252 |
LED driver circuit |
Jul. 11, 2006 |
| 7075253 |
Method for operation of a lighting system |
Jul. 11, 2006 |
| 7075254 |
Lighting ballast having boost converter with on/off control and method of ballast operation |
Jul. 11, 2006 |
| 7071634 |
Lighting control device having improved long fade off |
Jul. 4, 2006 |
| 7067987 |
Electronic ballast with closed loop control using composite current and voltage feedback and method thereof |
Jun. 27, 2006 |
| 7067989 |
Modularized inverter control circuit |
Jun. 27, 2006 |
| 7067990 |
Projection type video display |
Jun. 27, 2006 |
| 7067991 |
Feedback sampling control circuit for lamp driving system |
Jun. 27, 2006 |
| 7064492 |
Automatic ambient light compensation for display backlighting |
Jun. 20, 2006 |
| 7064495 |
Electronic circuit and method of supplying energy to a high-pressure gas-discharge lamp |
Jun. 20, 2006 |
| 7064496 |
State detection device |
Jun. 20, 2006 |
| 7064499 |
Method for operating at least one low-pressure discharge lamp and operating device for at least one low-pressure discharge lamp |
Jun. 20, 2006 |
| 7061187 |
Circuit having clamped global feedback for linear load current |
Jun. 13, 2006 |
| 7061191 |
System and method for reducing flicker of compact gas discharge lamps at low lamp light output level |
Jun. 13, 2006 |
| 7057356 |
High intensity discharge lamp with boost circuit |
Jun. 6, 2006 |
| 7057358 |
Electronic ballast and operating method for a gas discharge lamp |
Jun. 6, 2006 |
| 7049750 |
Lamp having integral voltage controller |
May. 23, 2006 |
| 7049767 |
High voltage offset detection circuit and method |
May. 23, 2006 |
| 7049768 |
High intensity discharge lamps with electronic control of dimming |
May. 23, 2006 |
| 7045966 |
Resonant inverter including feed back circuit having phase compensator and controller |
May. 16, 2006 |
| 7045969 |
Inverter circuit capable of adjusting power factor |
May. 16, 2006 |
| 7045972 |
Lighting method of ultra-high pressure mercury lamp |
May. 16, 2006 |
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