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Class Information
Number: 315/324
Name: Electric lamp and discharge devices: systems > Plural load device systems > Plural discharge device loads
Description: Systems having two or more discharge device loads in the system.










Sub-classes under this class:

Class Number Class Name Patents
315/325 Discharge control discharge device loads 31


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
8618885 Low frequency oscillator for burst-mode dimming control for CCFL driver system Dec. 31, 2013
8558478 Hybrid lamp power circuit Oct. 15, 2013
8519643 Lighting fixture and method for operating same Aug. 27, 2013
8384312 Power distribution system for supplying electrical power to a plurality of lighting units Feb. 26, 2013
8378596 Momentary night light assembly Feb. 19, 2013
8373352 Electrodeless plasma lamp array Feb. 12, 2013
8362715 Lighting system comprising interconnectable lighting modules Jan. 29, 2013
8354803 Hybrid light source Jan. 15, 2013
8339048 Hybrid light source Dec. 25, 2012
8324836 Lighting device having cross-fade and method thereof Dec. 4, 2012
8310437 Backlight device and display device Nov. 13, 2012
8305002 Method and structure of forming a fluorescent lighting system Nov. 6, 2012
8288960 Two-terminal current controller and related LED lighting device Oct. 16, 2012
8228002 Hybrid light source Jul. 24, 2012
8159153 LED light sources with improved thermal compensation Apr. 17, 2012
8148911 Current-balance circuit and backlight module having the same Apr. 3, 2012
8111022 Lighting system comprising interconnectable lighting modules Feb. 7, 2012
8084948 Method for dimming a light generatng system for generating light with a variable color Dec. 27, 2011
8080941 Cold cathode lamp, and illumination device for display device and display device provided therewith Dec. 20, 2011
8076859 Emergency sign power supply with battery charger Dec. 13, 2011
8058806 Fluorescent task lamp with optimized alignment and ballast Nov. 15, 2011
8044610 LED driver with adaptive algorithm for storage capacitor pre-charge Oct. 25, 2011
8030859 Cold-cathode lamp, and display illumination device and display device therewith Oct. 4, 2011
8008866 Hybrid light source Aug. 30, 2011
7995952 High performance materials and processes for manufacture of nanostructures for use in electron emitter ion and direct charging devices Aug. 9, 2011
7944314 Low frequency oscillator for burst-mode dimming control for CCFL driver system May. 17, 2011
7902767 AC inverter capable of driving multiple lamps for LCD panel backlight Mar. 8, 2011
7888883 Lighting device having cross-fade and method thereof Feb. 15, 2011
7839094 Voltage fed programmed start ballast Nov. 23, 2010
7830099 System for driving a plurality of lamps Nov. 9, 2010
7755299 Transformer for balancing currents Jul. 13, 2010
7733033 Lighting unit with multiple light sources of a different color temperature Jun. 8, 2010
7718942 Illumination and color management system May. 18, 2010
7719211 Lamp current balancing topologies May. 18, 2010
7675238 Lighting device with user interface for light control Mar. 9, 2010
7671544 System and architecture for controlling lighting through a low-voltage bus Mar. 2, 2010
7635958 Lighting control system and control system Dec. 22, 2009
7633240 Lamp driving apparatus having balance circuit units for a display Dec. 15, 2009
7592757 System and method for dimming one or more light source Sep. 22, 2009
7570235 Communication diode driver circuit Aug. 4, 2009
7550933 Offline control circuit of LED driver to control the maximum voltage and the maximum current of LEDs Jun. 23, 2009
7535180 Semiconductor light emitting circuits including light emitting diodes and four layer semiconductor shunt devices May. 19, 2009
7528556 Light regulation device May. 5, 2009
7525255 Split phase inverters for CCFL backlight system Apr. 28, 2009
7525258 Current balancing techniques for fluorescent lamps Apr. 28, 2009
7498754 Architecture for driving multiple loads at constant current Mar. 3, 2009
7489091 Backlight unit for liquid crystal display device Feb. 10, 2009
7482761 Light emitting diode lamp assembly Jan. 27, 2009
7479745 LCD back light panel lamp connecting structure Jan. 20, 2009
7477020 Electronic ballast having a reduced reverse voltage at the start Jan. 13, 2009

1 2 3 4 5 6










 
 
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