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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 |
| 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 |
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