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Class Information
Number: 315/294
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation > Plural load device regulation
Description: Systems which include means to regulate the current or voltage supplied to two or more of the load devices.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7605547 |
Addressable LED architecture |
Oct. 20, 2009 |
| 7598686 |
Organic light emitting diode methods and apparatus |
Oct. 6, 2009 |
| 7592756 |
Driving circuit for light emitting diodes |
Sep. 22, 2009 |
| 7573208 |
Method of programming a lighting preset from a radio-frequency remote control |
Aug. 11, 2009 |
| 7569997 |
Self-calibrated integration method of light intensity control in LED backlighting |
Aug. 4, 2009 |
| 7560981 |
Controlling apparatus for controlling a plurality of LED strings and related light modules |
Jul. 14, 2009 |
| 7557524 |
Lighting device |
Jul. 7, 2009 |
| 7557521 |
LED power control methods and apparatus |
Jul. 7, 2009 |
| 7528553 |
Lighting control apparatus for vehicle lighting device |
May. 5, 2009 |
| 7528556 |
Light regulation device |
May. 5, 2009 |
| 7514877 |
Display panel driving circuit |
Apr. 7, 2009 |
| 7492109 |
Apparatus for controlling lamp source and electric equipment and power socket therof |
Feb. 17, 2009 |
| 7489089 |
Color control system for color changing lights |
Feb. 10, 2009 |
| 7486033 |
Lighting device |
Feb. 3, 2009 |
| 7471051 |
Advanced low voltage lighting system |
Dec. 30, 2008 |
| 7462997 |
Multicolored LED lighting method and apparatus |
Dec. 9, 2008 |
| 7459863 |
Transformer and multi-lamp driving circuit using the same |
Dec. 2, 2008 |
| 7456588 |
Arrangement and method for providing power line communication from an AC power source to a circuit for powering a load, and electronic ballasts therefor |
Nov. 25, 2008 |
| 7439945 |
Light emitting diode driver circuit with high-speed pulse width modulated current control |
Oct. 21, 2008 |
| 7436125 |
Light emitting diode drive circuit |
Oct. 14, 2008 |
| 7429982 |
Digital lighting control system |
Sep. 30, 2008 |
| 7420333 |
Mixed mode control for dimmable fluorescent lamp |
Sep. 2, 2008 |
| 7394210 |
System and method for controlling luminaires |
Jul. 1, 2008 |
| 7382595 |
Low voltage overcurrent protection for solid state switching system |
Jun. 3, 2008 |
| 7372214 |
Apparatus and method for driving lamp of liquid crystal display device |
May. 13, 2008 |
| 7369037 |
Programmable multicandela notification device |
May. 6, 2008 |
| 7369386 |
Overcurrent protection for solid state switching system |
May. 6, 2008 |
| 7339323 |
Serial powering of an LED string |
Mar. 4, 2008 |
| 7323831 |
Illumination device |
Jan. 29, 2008 |
| 7315139 |
Light source having more than three LEDs in which the color points are maintained using a three channel color sensor |
Jan. 1, 2008 |
| 7312780 |
Fluorescent lamp driver system |
Dec. 25, 2007 |
| 7312695 |
Apparatus and method for displaying operating characteristics on status indicators |
Dec. 25, 2007 |
| 7298096 |
Circuit and method for sensing open-circuit lamp of a backlight unit and display device with circuit for sensing open-circuit lamp of backlight unit |
Nov. 20, 2007 |
| 7274160 |
Multicolored lighting method and apparatus |
Sep. 25, 2007 |
| 7274150 |
Lighting control circuit for vehicle lighting equipment |
Sep. 25, 2007 |
| 7271794 |
Power saving circuit employing visual persistence effect for backlight modules |
Sep. 18, 2007 |
| 7259524 |
Apparatus and methods for regulating delivery of electrical energy |
Aug. 21, 2007 |
| 7259528 |
Data converter for a lighting system, and method for operating a lighting system |
Aug. 21, 2007 |
| 7215088 |
System and architecture for controlling lighting through a low-voltage bus |
May. 8, 2007 |
| 7211967 |
Strip light with constant current |
May. 1, 2007 |
| 7211958 |
Modulation of a background light or any illumination of a mobile phone |
May. 1, 2007 |
| 7208881 |
LED strobe light |
Apr. 24, 2007 |
| 7199531 |
Variable output single constant source light fixture |
Apr. 3, 2007 |
| 7190125 |
Programmable wallbox dimmer |
Mar. 13, 2007 |
| 7187141 |
Methods and apparatus for illumination of liquids |
Mar. 6, 2007 |
| 7161311 |
Multicolored LED lighting method and apparatus |
Jan. 9, 2007 |
| 7161313 |
Light emitting diode based products |
Jan. 9, 2007 |
| 7154229 |
Electronic ballast with load shed circuit |
Dec. 26, 2006 |
| 7135966 |
Lighting installation with regulation of light emission devices |
Nov. 14, 2006 |
| 7135824 |
Systems and methods for controlling illumination sources |
Nov. 14, 2006 |
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