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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 75
315/324 Plural discharge device loads 238
315/323 Sequential starting 100


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11

Patent Number Title Of Patent Date Issued
7609006 LED light string with split bridge rectifier and thermistor fuse Oct. 27, 2009
7605544 Current balancing circuit Oct. 20, 2009
7605547 Addressable LED architecture Oct. 20, 2009
7605550 Controlled bleeder for power supply Oct. 20, 2009
7605809 Driver and method for driving a semiconductor light emitting device array Oct. 20, 2009
7598683 Control of light intensity using pulses of a fixed duration and frequency Oct. 6, 2009
7598859 Method and system for controlling lighting Oct. 6, 2009
7598686 Organic light emitting diode methods and apparatus Oct. 6, 2009
7598685 Off line LED driver with integrated synthesized digital optical feedback Oct. 6, 2009
7598681 Methods and apparatus for controlling devices in a networked lighting system Oct. 6, 2009
7598679 Integrated circuit capable of synchronization signal detection Oct. 6, 2009
7595786 Illumination system and illumination control method for adaptively adjusting color temperature Sep. 29, 2009
7592753 Inductively-powered gas discharge lamp circuit Sep. 22, 2009
7592756 Driving circuit for light emitting diodes Sep. 22, 2009
7593241 Hybrid power supply system Sep. 22, 2009
7589478 Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system Sep. 15, 2009
7586273 Method and apparatus for achieving perceived light mixing via alternating different colored LEDS Sep. 8, 2009
7586271 Efficient lighting Sep. 8, 2009
7586268 Apparatus and method for controlling the filament voltage in an electronic dimming ballast Sep. 8, 2009
7583035 System and method for driving LED Sep. 1, 2009
7579786 Method, apparatus, and system for driving LED's Aug. 25, 2009
7579790 Multiple gas discharge lamp interleave trigger circuit Aug. 25, 2009
7573209 Method and system for feedback and control of a luminaire Aug. 11, 2009
7573210 Method and system for feedback and control of a luminaire Aug. 11, 2009
7571063 Lighting performance power monitoring system and method with optional integrated light control Aug. 4, 2009
7564201 Intelligent gas discharge lamp control circuit Jul. 21, 2009
7564193 DC-AC converter having phase-modulated, double-ended, full-bridge topology for powering high voltage load such as cold cathode fluorescent lamp Jul. 21, 2009
7560876 Light device and control method thereof Jul. 14, 2009
7560880 Control device for work lamp Jul. 14, 2009
7557517 Primary side current balancing scheme for multiple CCF lamp operation Jul. 7, 2009
7557521 LED power control methods and apparatus Jul. 7, 2009
7557524 Lighting device Jul. 7, 2009
7554273 Protection for external electrode fluorescent lamp system Jun. 30, 2009
7550935 Methods and apparatus for downloading lighting programs Jun. 23, 2009
7550934 LED driver with fast open circuit protection, short circuit compensation, and rapid brightness control response Jun. 23, 2009
7550931 Controlled lighting methods and apparatus Jun. 23, 2009
7550929 Power system and method for driving plural lamps Jun. 23, 2009
7551153 Combined exponential/linear RGB LED I-sink digital-to-analog converter Jun. 23, 2009
7547113 Full-color LED-based lighting device Jun. 16, 2009
7548150 Method for the allocation of short addresses in illumination systems Jun. 16, 2009
7545106 Discharge lamp driving device and driving method Jun. 9, 2009
7541752 Illuminating device and liquid crystal display Jun. 2, 2009
7538497 Constant current driver, back light source and color liquid crystal display May. 26, 2009
7531968 Inverter circuit, backlight and liquid crystal display May. 12, 2009
7528551 LED control system May. 5, 2009
7528556 Light regulation device May. 5, 2009
7524085 Series wiring of highly reliable light sources Apr. 28, 2009
7525258 Current balancing techniques for fluorescent lamps Apr. 28, 2009
7525257 Device for driving light sources Apr. 28, 2009
7521872 Integrated lamp with feedback and wireless control Apr. 21, 2009

1 2 3 4 5 6 7 8 9 10 11


 
 
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