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Class Information
Number: 315/312
Name: Electric lamp and discharge devices: systems > Plural load device systems
Description: Systems having a plurality of load devices connected in the system.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8183798 |
Variable light control system and method using momentary circuit interrupt |
May. 22, 2012 |
| 8183792 |
Backlight module with dynamic open-lamp protection and related driving method |
May. 22, 2012 |
| 8183785 |
Method of controlling a lighting system based on a target light distribution |
May. 22, 2012 |
| 8179059 |
Circuit and method for controlling light emitting device, and integrated circuit therefor |
May. 15, 2012 |
| 8174213 |
Universal input voltage light emitting device |
May. 8, 2012 |
| 8174210 |
Illumination system with four primaries |
May. 8, 2012 |
| 8172423 |
Illumination apparatus |
May. 8, 2012 |
| 8169164 |
Light output control device for laser light source |
May. 1, 2012 |
| 8169163 |
Control device and LED light emitting device using the control device |
May. 1, 2012 |
| 8169160 |
Circuits and methods for driving light sources |
May. 1, 2012 |
| 8169156 |
Control method capable of preventing flicker effect and light emitting device thereof |
May. 1, 2012 |
| 8164277 |
LED system for producing light |
Apr. 24, 2012 |
| 8164268 |
Lighting device implemented through utilizing insulating type piezoelectric transformer in driving light-emitting-diodes (LEDs) |
Apr. 24, 2012 |
| 8159454 |
LED string driver with shift register and level shifter |
Apr. 17, 2012 |
| 8159156 |
Lighting systems and methods of auto-commissioning |
Apr. 17, 2012 |
| 8159155 |
Light emitting unit arrangement and control system and method thereof |
Apr. 17, 2012 |
| 8159149 |
Systems and methods for security controlled LED lighting fixture |
Apr. 17, 2012 |
| 8159147 |
Luminous chain with distributed driver circuit |
Apr. 17, 2012 |
| 8159144 |
Motor vehicle headlight element |
Apr. 17, 2012 |
| 8159143 |
Light generating module, liquid crystal display device having the same, and method of improving color reproducibility thereof |
Apr. 17, 2012 |
| 8159142 |
Ballast being capable of saving the use of internal connection terminals |
Apr. 17, 2012 |
| 8154505 |
Backlight module having a chambered circuit board |
Apr. 10, 2012 |
| 8154223 |
Driving apparatus of light emitting diode and driving method thereof |
Apr. 10, 2012 |
| 8154218 |
Method and apparatus for retrofitting HID lamps with system to periodically adjust operating wattage |
Apr. 10, 2012 |
| 8148912 |
Lighting device with staggered light sources responsive to a single user control |
Apr. 3, 2012 |
| 8143813 |
Data based ambient lighting control |
Mar. 27, 2012 |
| 8143805 |
System and method for selectively dimming an LED |
Mar. 27, 2012 |
| 8138690 |
LED-based lighting methods, apparatus, and systems employing LED light bars, occupancy sensing, local state machine, and meter circuit |
Mar. 20, 2012 |
| 8138689 |
Lighting control console for controlling a lighting system |
Mar. 20, 2012 |
| 8138687 |
Multicolor lighting system |
Mar. 20, 2012 |
| 8134310 |
Advanced low voltage lighting system |
Mar. 13, 2012 |
| 8134309 |
Lamp power tabulation |
Mar. 13, 2012 |
| 8134305 |
Light source driving apparatus |
Mar. 13, 2012 |
| 8134304 |
Light source driving device capable of dynamically keeping constant current sink and related method |
Mar. 13, 2012 |
| 8129925 |
Terminal device and computer-readable storage medium |
Mar. 6, 2012 |
| 8129924 |
Stochastic signal density modulation for optical transducer control |
Mar. 6, 2012 |
| 8129923 |
Switching circuit adapted in LED circuit |
Mar. 6, 2012 |
| 8129919 |
Discharge tube driving device |
Mar. 6, 2012 |
| 8125472 |
Display device with parallel data distribution |
Feb. 28, 2012 |
| 8125161 |
Light emitting device driving apparatus and method for driving the same |
Feb. 28, 2012 |
| 8125160 |
Integrated circuit capable of synchronization signal detection |
Feb. 28, 2012 |
| 8125159 |
LED driving device with variable light intensity |
Feb. 28, 2012 |
| 8125154 |
Automatic lamp detection method and optimal operation for fluorescent lamps |
Feb. 28, 2012 |
| 8120600 |
Light emission control system and image display system |
Feb. 21, 2012 |
| 8120289 |
Optical electrical system in package for LED based lighting system |
Feb. 21, 2012 |
| 8120287 |
High efficiency power system for a LED display system |
Feb. 21, 2012 |
| 8120280 |
Circuits and methods for controlling a light source |
Feb. 21, 2012 |
| 8120279 |
Color adjustable lamp |
Feb. 21, 2012 |
| 8120278 |
LED driving circuit |
Feb. 21, 2012 |
| 8120276 |
Light source emitting mixed-colored light and method for controlling the color locus of such a light source |
Feb. 21, 2012 |
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