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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 115
315/324 Plural discharge device loads 276
315/323 Sequential starting 111


Patents under this class:

Patent Number Title Of Patent Date Issued
8242715 Electro-optical based lamp/fixture for continuous control of LED light beam position and focus Aug. 14, 2012
8242703 Driving apparatus for light emitting diodes without employing electrolytic capacitor Aug. 14, 2012
8237381 Flexible electrical connection of an LED-based illumination device to a light fixture Aug. 7, 2012
8237380 Method of arranging light emitting diodes supplied by AC power with low loss and smooth illumination in a high expandable structure Aug. 7, 2012
8237377 Energy efficient lighting system and method Aug. 7, 2012
8237376 Fast switching, overshoot-free, current source and method Aug. 7, 2012
8232744 Method for the operation of and circuit arrangement for light sources Jul. 31, 2012
8232742 Method, apparatus and computer-readable media for controlling lighting devices Jul. 31, 2012
8232740 Capacitive current-sharing control circuit for LED lamp string Jul. 31, 2012
8232739 LED with integrated constant current driver Jul. 31, 2012
8232736 Power control system for current regulated light sources Jul. 31, 2012
8232735 System and method for driving LED Jul. 31, 2012
8227999 Light output device Jul. 24, 2012
8222837 Ambience lighting system for a display device and a method of operating such ambience lighting system Jul. 17, 2012
8222833 Illumination device for plants Jul. 17, 2012
8217584 Driving circuit for driving light emitting diodes and dimmer Jul. 10, 2012
8214061 Distributed intelligence automated lighting systems and methods Jul. 3, 2012
8213194 Control device for a flyback converter Jul. 3, 2012
8212485 Dimming bridge module Jul. 3, 2012
8210712 LED lamp device Jul. 3, 2012
8207830 Network communication system Jun. 26, 2012
8207678 LED lighting fixture Jun. 26, 2012
RE43476 Method and apparatus for controlling images with image projection lighting devices Jun. 19, 2012
8203283 Light emitting diode (LED) arrangement with bypass driving Jun. 19, 2012
8203279 Method of dimming Jun. 19, 2012
8203260 Color temperature tunable white light source Jun. 19, 2012
8198826 Illumination system and illumination control method thereof Jun. 12, 2012
8193734 Control circuit and method for backlight sources, and image display apparatus and lighting apparatus using the same Jun. 5, 2012
8193731 Package of constant-current supplying chip and LED lamp driven by alternating current Jun. 5, 2012
8193725 Voltage converter, backlight module control system and control method thereof Jun. 5, 2012
8188687 Light emitting device for AC power operation May. 29, 2012
8188686 System and method for processing and forwarding transmitted information May. 29, 2012
8188685 Light-generating system May. 29, 2012
8188683 Poly-chromatic light-emitting diode (LED) lighting system May. 29, 2012
8188679 Self-powered LED bypass-switch configuration May. 29, 2012
8188676 Systems and methods for driving light-emitting diodes May. 29, 2012
8188674 LED light emitting device and driving method thereof May. 29, 2012
8188669 Decorative lamp for displaying snowing or water-flowing pattern May. 29, 2012
8188666 Control circuit for adjusting backlight May. 29, 2012
8188617 Current balancing apparatus, current balancing method, and power supply apparatus May. 29, 2012
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











 
 
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