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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 |
| 7309964 |
Floating drive circuit for cold cathode fluorescent lamp |
Dec. 18, 2007 |
| 7309965 |
Universal lighting network methods and systems |
Dec. 18, 2007 |
| 7307388 |
Backlight modules and lamp modules in flat panel displays |
Dec. 11, 2007 |
| 7301292 |
Circuit arrangement for operating at least one first and one second lamp which can be inserted in said circuit arrangement |
Nov. 27, 2007 |
| 7298096 |
Circuit and method for sensing open-circuit lamp of a backlight unit and display device with circuit for sensing open-circuit lamp of backlight unit |
Nov. 20, 2007 |
| 7294973 |
Discharge tube lighting apparatus, light source apparatus, and display apparatus |
Nov. 13, 2007 |
| 7295176 |
LED driver with constant current offset unit |
Nov. 13, 2007 |
| 7291987 |
Power supply system for flat panel display devices |
Nov. 6, 2007 |
| 7291992 |
Load failure protection circuit and discharge lamp driving apparatus |
Nov. 6, 2007 |
| 7288904 |
Centralized control device for controlling the application of voltage to a load provided with a power factor correction capacitor |
Oct. 30, 2007 |
| 7288903 |
Driving device of light source for display device |
Oct. 30, 2007 |
| 7288901 |
Ballast with arc protection circuit |
Oct. 30, 2007 |
| 7288900 |
Illumination system having at least two light sources, and a method for operating such an illumination system |
Oct. 30, 2007 |
| 7285921 |
Electric current balancing device |
Oct. 23, 2007 |
| 7285925 |
Backlight module control circuit of multi-lamp display device |
Oct. 23, 2007 |
| 7286123 |
LED driver circuit having temperature compensation |
Oct. 23, 2007 |
| 7282868 |
Inverter circuit for discharge lamps for multi-lamp lighting and surface light source system |
Oct. 16, 2007 |
| 7276863 |
LED array driving apparatus and backlight driving apparatus using the same |
Oct. 2, 2007 |
| 7276861 |
System and method for driving LED |
Oct. 2, 2007 |
| 7276858 |
Decorative lighting string with stacked rectification |
Oct. 2, 2007 |
| 7276025 |
Electrical adapter for medical diagnostic instruments using LEDs as illumination sources |
Oct. 2, 2007 |
| 7273286 |
Display device and light control method of the same |
Sep. 25, 2007 |
| 7274158 |
System for driving plural lamps |
Sep. 25, 2007 |
| 7274160 |
Multicolored lighting method and apparatus |
Sep. 25, 2007 |
| 7271543 |
Method for providing bi-level illumination in a stair well |
Sep. 18, 2007 |
| 7271549 |
Current balancing circuit for a multi-lamp system |
Sep. 18, 2007 |
| 7271794 |
Power saving circuit employing visual persistence effect for backlight modules |
Sep. 18, 2007 |
| 7268500 |
Control device for multiple lamp currents of liquid crystal display backlight source |
Sep. 11, 2007 |
| 7262558 |
Lamp current control device |
Aug. 28, 2007 |
| 7256557 |
System and method for producing white light using a combination of phosphor-converted white LEDs and non-phosphor-converted color LEDs |
Aug. 14, 2007 |
| 7253569 |
Open lamp detection in an EEFL backlight system |
Aug. 7, 2007 |
| 7253571 |
Wireless power supply and method of supplying power |
Aug. 7, 2007 |
| 7250731 |
Primary side current balancing scheme for multiple CCF lamp operation |
Jul. 31, 2007 |
| 7248239 |
Systems and methods for color changing device and enclosure |
Jul. 24, 2007 |
| 7242152 |
Systems and methods of controlling light systems |
Jul. 10, 2007 |
| 7242151 |
Multiple lamp balance transformer and drive circuit |
Jul. 10, 2007 |
| 7239091 |
Discharge lamp lighting apparatus for lighting multiple discharge lamps |
Jul. 3, 2007 |
| 7239092 |
Limited open circuit voltage ballast |
Jul. 3, 2007 |
| 7235934 |
Method for controlling operations of a backlight unit of a liquid crystal display |
Jun. 26, 2007 |
| 7233116 |
Method for stabilizing brightness of a cold cathode fluorescent lamp and related apparatus |
Jun. 19, 2007 |
| 7230392 |
Analog control of light sources |
Jun. 12, 2007 |
| 7230390 |
Cold cathode fluorescent lamp assembly |
Jun. 12, 2007 |
| 7227315 |
Discharge lamp drive apparatus and liquid crystal display apparatus |
Jun. 5, 2007 |
| 7224131 |
High efficiency lighting system |
May. 29, 2007 |
| 7221110 |
Lighting control system and method |
May. 22, 2007 |
| 7221109 |
Stage lighting console |
May. 22, 2007 |
| 7221108 |
Apparatus of driving lamp and liquid crystal display device using the same |
May. 22, 2007 |
| 7221105 |
Electromagnetic radiation emitting bulb and method using same in a portable device |
May. 22, 2007 |
| 7221104 |
Linear lighting apparatus and methods |
May. 22, 2007 |
| 7215087 |
Discharge lamp lighting apparatus for lighting multiple discharge lamps |
May. 8, 2007 |
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