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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:

Class Number Class Name Patents
315/313 Electric switch in the supply circuit 111
315/324 Plural discharge device loads 276
315/323 Sequential starting 111

Patents under this class:

Patent Number Title Of Patent Date Issued
8384312 Power distribution system for supplying electrical power to a plurality of lighting units Feb. 26, 2013
8384303 Fluorescent-based electroluminescent lighting Feb. 26, 2013
8384299 Solid state LED bridge rectifier light engine Feb. 26, 2013
8384293 Lamp brightness remote controlling device Feb. 26, 2013
8384291 Backlight protection circuit Feb. 26, 2013
8378595 Aircraft LED washlight system and method for controlling same Feb. 19, 2013
8378586 Distributed architecture voltage controlled backlight driver Feb. 19, 2013
8376567 Modular emergency exit route illumination system and methods Feb. 19, 2013
8373913 Image scanning apparatus and method thereof Feb. 12, 2013
8373366 User interface for scene setting control with light balance Feb. 12, 2013
8373358 Compact and efficient driver for multiple light emitting diodes (LEDs) Feb. 12, 2013
8373352 Electrodeless plasma lamp array Feb. 12, 2013
8368325 Lighting system Feb. 5, 2013
8368324 Driving apparatus and method for adjusting drive voltage Feb. 5, 2013
8368316 LED circuit and operation method of the same having minimum output voltage selection mechanism to generate feedback voltage Feb. 5, 2013
8368315 LED lamp color control system and method Feb. 5, 2013
8368307 Method for replacing a load control device of a load control system Feb. 5, 2013
8362715 Lighting system comprising interconnectable lighting modules Jan. 29, 2013
8358088 Interface circuit for transmission of digital signals Jan. 22, 2013
8354802 Solid state device controller Jan. 15, 2013
8354797 Circuit arrangement for operating a series circuit of at least two low-pressure gas-discharge lamps, and a corresponding method Jan. 15, 2013
8352079 Light management system with automatic identification of light effects available for a home entertainment system Jan. 8, 2013
8350500 Solid state lighting devices including thermal management and related methods Jan. 8, 2013
8350497 Method and apparatus for outputting light in a LED-based lighting system Jan. 8, 2013
RE43890 LED light module and series connected light modules Jan. 1, 2013
8344664 Power saving light emitting diode display board system Jan. 1, 2013
8344663 Circuit arrangement and method for controlling at least one light source Jan. 1, 2013
8344659 System and method for lighting power and control system Jan. 1, 2013
8344657 LED driver with open loop dimming control Jan. 1, 2013
8344653 Light emitting diode backlight driving system Jan. 1, 2013
8344643 Driver system and method for multiple cold-cathode fluorescent lamps and/or external-electrode fluorescent lamps Jan. 1, 2013
8344640 Method for operating a fluorescent lamp Jan. 1, 2013
8344638 Apparatus, system and method for cascaded power conversion Jan. 1, 2013
8344633 Driving circuit for driving a plurality of light sources arranged in a series configuration Jan. 1, 2013
8344632 Light emitting device Jan. 1, 2013
8339050 Light emitting diode driving circuit and light emitting diode array device Dec. 25, 2012
8334664 Light emitting diode illuminating system and control method thereof Dec. 18, 2012
8334660 Light source driving circuit with low operating output voltage Dec. 18, 2012
8330395 LED lighting system with optical communication functionality Dec. 11, 2012
8330394 Light source of LED and method for producing light source with varying color while dimming Dec. 11, 2012
8330393 System for time-sequential LED-string excitation Dec. 11, 2012
8324834 Load driving circuit and multi-load feedback circuit Dec. 4, 2012
8324830 Color management for field-sequential LCD display Dec. 4, 2012
8319455 Colorizer and method of operating the same Nov. 27, 2012
8319449 Controlled voltage source for LED drivers Nov. 27, 2012
8319443 Two-terminal current controller and related LED lighting device Nov. 27, 2012
8319440 Direction controllable lighting unit Nov. 27, 2012
8319433 LED-based lighting system for retrofitting fluorescent lighting fixtures in a transit vehicle Nov. 27, 2012
8314574 Light emitting diode lamp and control circuit thereof Nov. 20, 2012
8314569 Light wand for lighting control Nov. 20, 2012

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