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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 |
| 7049752 |
Light emitting diode control device |
May. 23, 2006 |
| 7049761 |
Light tube and power supply circuit |
May. 23, 2006 |
| 7049766 |
Liquid-activated lighted ice cube |
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 |
| 7045917 |
Circuit arrangement for an electric appliance |
May. 16, 2006 |
| 7045967 |
Multi-lamp actuating facility |
May. 16, 2006 |
| 7045969 |
Inverter circuit capable of adjusting power factor |
May. 16, 2006 |
| 7045971 |
Illuminating apparatus using full-color LEDs |
May. 16, 2006 |
| 7045972 |
Lighting method of ultra-high pressure mercury lamp |
May. 16, 2006 |
| 7045973 |
Operating circuit for a dielectrically impeded discharge lamp having an overvoltage protection circuit |
May. 16, 2006 |
| 7042165 |
Driver circuit for LED vehicle lamp |
May. 9, 2006 |
| 7042166 |
Circuit arrangement for operating electric lamps |
May. 9, 2006 |
| 7042167 |
Back light device for liquid crystal displays |
May. 9, 2006 |
| 7042170 |
Digital ballast |
May. 9, 2006 |
| 7042171 |
Multiple-CCFL parallel driving circuit and the associated current balancing control method for liquid crystal display |
May. 9, 2006 |
| 7038394 |
Ramp voltage generating apparatus and active matrix drive-type display apparatus |
May. 2, 2006 |
| 7038396 |
Electronic high intensity discharge lamp driver |
May. 2, 2006 |
| 7038398 |
Kinetic illumination system and methods |
May. 2, 2006 |
| 7038399 |
Methods and apparatus for providing power to lighting devices |
May. 2, 2006 |
| 7038400 |
Constant current Class 3 lighting system |
May. 2, 2006 |
| 7038401 |
Operating device and method for operating gas discharge lamps |
May. 2, 2006 |
| 7038402 |
Combined exponential/linear RGB LED I-sink digital-to-analog converter |
May. 2, 2006 |
| 7038594 |
Led driver current amplifier |
May. 2, 2006 |
| 7034472 |
Power supply apparatus for traveling-wave tube which eliminates high voltage relay |
Apr. 25, 2006 |
| 7034510 |
Method for coupling inverter to alternating voltage |
Apr. 25, 2006 |
| 7030565 |
Lamp control circuit with selectable color signals |
Apr. 18, 2006 |
| 7030569 |
Direct drive CCFL circuit with controlled start-up mode |
Apr. 18, 2006 |
| 7030572 |
Lighting arrangement |
Apr. 18, 2006 |
| 7030573 |
High intensity discharge strobe lamp assembly and method for producing attenuated-EMI strobe illumination |
Apr. 18, 2006 |
| 7030574 |
Luminary control system |
Apr. 18, 2006 |
| 7026769 |
Luminary control system adapted for reproducing the color of a known light source |
Apr. 11, 2006 |
| 7023143 |
Ballast apparatus and ballasting method of high intensity discharge lamp |
Apr. 4, 2006 |
| 7023144 |
Device for operation of a high pressure discharge lamp |
Apr. 4, 2006 |
| 7023146 |
Discharge lamp lighting apparatus |
Apr. 4, 2006 |
| 7023147 |
Controller circuit |
Apr. 4, 2006 |
| 7019464 |
Dimmable flex arm lamp |
Mar. 28, 2006 |
| 7019465 |
Discharge lamp illumination circuit and discharge lamp illumination method |
Mar. 28, 2006 |
| 7019468 |
Electronic ballast with ignition and operation control |
Mar. 28, 2006 |
| 7015651 |
Light source device having a discharge lamp with high radiance and a current feed controller |
Mar. 21, 2006 |
| 7015654 |
Light emitting diode driver circuit and method |
Mar. 21, 2006 |
| 7015655 |
Electronic ballast for a high intensity discharge lamp |
Mar. 21, 2006 |
| 7015656 |
Dimming circuit for a gas-discharge lamp |
Mar. 21, 2006 |
| 7015657 |
Ballast for high intensity discharging lamp |
Mar. 21, 2006 |
| 7015660 |
Circuit for driving cold cathode tubes |
Mar. 21, 2006 |
| 7012378 |
Programmable current source and methods of use |
Mar. 14, 2006 |
| 7012382 |
Light emitting diode based light system with a redundant light source |
Mar. 14, 2006 |
| 7012383 |
Digital-dimming control method and module for dimming operation of a cold cathode fluorescent lamp |
Mar. 14, 2006 |
| 7009854 |
Inverter transformer and inverter circuit |
Mar. 7, 2006 |
| 7009347 |
Multiple discharge load electronic ballast system |
Mar. 7, 2006 |
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