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Class Information
Number: 315/291
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation
Description: Systems which include means to regulate the current and/or voltage supplied to the load device.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7138769 |
Device for operation of a high pressure discharge lamp and a projector device |
Nov. 21, 2006 |
| 7135825 |
LED power supply device |
Nov. 14, 2006 |
| 7132803 |
High efficiency 4-lamp instant start ballast |
Nov. 7, 2006 |
| 7129653 |
Self-contained, self-snubbed, HID dimming module that exhibits non-zero crossing detection switching |
Oct. 31, 2006 |
| 7129652 |
System and method for driving a plurality of loads |
Oct. 31, 2006 |
| 7129651 |
Remote control of electronic light ballast and other devices |
Oct. 31, 2006 |
| 7129650 |
Lighting apparatus for high intensity discharge lamp |
Oct. 31, 2006 |
| 7129647 |
Electronic ballast with programmable processor |
Oct. 31, 2006 |
| 7126287 |
Lamp with integral voltage converter having phase-controlled dimming circuit with fuse-resistor network for reducing RMS load voltage |
Oct. 24, 2006 |
| RE39341 |
Apparatus for lighting fluorescent lamp |
Oct. 17, 2006 |
| 7122975 |
Filament lamp light quantity control method and filament lamp light quantity control unit and filament lamp light source unit |
Oct. 17, 2006 |
| 7122974 |
Light quantity adjusting method, light quantity adjusting apparatus, and image forming apparatus |
Oct. 17, 2006 |
| 7122973 |
Light-generating apparatus control system |
Oct. 17, 2006 |
| 7122971 |
Driver circuit for driving a plurality of DC lamp strings |
Oct. 17, 2006 |
| 7122970 |
Method for testing OLED substrate and OLED display |
Oct. 17, 2006 |
| 7119501 |
Dynamic color mixing LED device |
Oct. 10, 2006 |
| 7119499 |
Switching power device |
Oct. 10, 2006 |
| 7119498 |
Current control device for driving LED devices |
Oct. 10, 2006 |
| 7119497 |
Dimmer for resistive or capacitive loads |
Oct. 10, 2006 |
| 7119495 |
Controlling a light assembly |
Oct. 10, 2006 |
| 7119493 |
Control of electroluminescent displays |
Oct. 10, 2006 |
| 7116063 |
Dimmable discharge lamp lighting device |
Oct. 3, 2006 |
| 7116061 |
Brightness controllable flashlights |
Oct. 3, 2006 |
| 7116052 |
Vehicular lamp |
Oct. 3, 2006 |
| 7115888 |
LED driving semiconductor circuit and LED driving apparatus including the same |
Oct. 3, 2006 |
| 7112930 |
Device and method for detecting high voltage |
Sep. 26, 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 |
| 7106007 |
Flashlight lamp circuit with automatic light adjustment |
Sep. 12, 2006 |
| 7102295 |
Electronic device with illumination circuit and EL device utilizing the same |
Sep. 5, 2006 |
| 7102297 |
Ballast with end-of-lamp-life protection circuit |
Sep. 5, 2006 |
| 7102298 |
Integral lamp |
Sep. 5, 2006 |
| 7102299 |
Electronic circuits |
Sep. 5, 2006 |
| 7102300 |
Ballast device with built-in power supply and operation thereof |
Sep. 5, 2006 |
| 7098604 |
Solar powered lamp having an auxiliary startup device |
Aug. 29, 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 |
| 7098609 |
Discharge lamp driving circuit provided with discharge detecting pattern |
Aug. 29, 2006 |
| 7098610 |
Incandescent light power controller with predetermined off-state impedance |
Aug. 29, 2006 |
| 7098612 |
Frequency synchronization device for LCD lamps |
Aug. 29, 2006 |
| 7098727 |
Boosting circuit |
Aug. 29, 2006 |
| 7095185 |
Fluorescent lamp electronic ballast |
Aug. 22, 2006 |
| 7095186 |
Control circuit for controlling an electron-emitting device |
Aug. 22, 2006 |
| 7091672 |
High efficiency off-line linear power supply |
Aug. 15, 2006 |
| 7091673 |
Discharge lamp lighting device |
Aug. 15, 2006 |
| 7091674 |
Rare gas fluorescent lamp device |
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 |
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