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Class Information
Number: 315/318
Name: Electric lamp and discharge devices: systems > Plural load device systems > Electric switch in the supply circuit > Three or more controlled load device circuits > Group control systems
Description: Systems wherein the switch means is provided with at least two circuit closing positions, the circuit being completed from the source of supply to a group consisting of two or more load devices in each of the circuit closing positions, each of the groups including a load device not included by the other groups and at least one load device which is included by at least one other group.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7417556 |
Wireless addressable lighting method and apparatus |
Aug. 26, 2008 |
| 7408304 |
Apparatus for power circuit of light emitting diode |
Aug. 5, 2008 |
| 7401934 |
File system for a stage lighting array system |
Jul. 22, 2008 |
| 7391297 |
Handheld programmer for lighting control system |
Jun. 24, 2008 |
| 7391337 |
Interactive LED display network for retail environment |
Jun. 24, 2008 |
| 7332877 |
Light controller |
Feb. 19, 2008 |
| 7330003 |
Backlight control circuit with two transistors |
Feb. 12, 2008 |
| 7309965 |
Universal lighting network methods and systems |
Dec. 18, 2007 |
| 7290895 |
File system for a stage lighting array system |
Nov. 6, 2007 |
| 7221110 |
Lighting control system and method |
May. 22, 2007 |
| 7187141 |
Methods and apparatus for illumination of liquids |
Mar. 6, 2007 |
| 7161313 |
Light emitting diode based products |
Jan. 9, 2007 |
| 7152710 |
Self-powered, heat-activated LED vehicle exhaust tip assembly |
Dec. 26, 2006 |
| 7135824 |
Systems and methods for controlling illumination sources |
Nov. 14, 2006 |
| 7129654 |
Flashing light control apparatus and method thereof |
Oct. 31, 2006 |
| 7098612 |
Frequency synchronization device for LCD lamps |
Aug. 29, 2006 |
| 7098611 |
Dimming control system with distributed command processing |
Aug. 29, 2006 |
| 7042172 |
Systems and methods for providing illumination in machine vision systems |
May. 9, 2006 |
| 7042173 |
Controllable lighting system with a second communication protocol and appliances for this purpose |
May. 9, 2006 |
| 7033028 |
Image projection lighting device |
Apr. 25, 2006 |
| 7009348 |
Multiple channel ballast and networkable topology and system including power line carrier applications |
Mar. 7, 2006 |
| 6982529 |
Method of lamp replacement warning for image projection lighting devices |
Jan. 3, 2006 |
| 6975079 |
Systems and methods for controlling illumination sources |
Dec. 13, 2005 |
| 6967448 |
Methods and apparatus for controlling illumination |
Nov. 22, 2005 |
| 6965205 |
Light emitting diode based products |
Nov. 15, 2005 |
| 6963179 |
Frequency synchronization device for LCD lamps |
Nov. 8, 2005 |
| 6930456 |
Method and apparatus for controlling images with image projection lighting devices |
Aug. 16, 2005 |
| 6917167 |
Method and apparatus for tracking sequences of an electrical device controllable from multiple locations |
Jul. 12, 2005 |
| 6812653 |
Method and apparatus for controlling images with image projection lighting devices |
Nov. 2, 2004 |
| 6784628 |
Fluorescent light control circuit |
Aug. 31, 2004 |
| 6781329 |
Methods and apparatus for illumination of liquids |
Aug. 24, 2004 |
| 6774583 |
Numerical controlled colour light source system |
Aug. 10, 2004 |
| 6768276 |
Set-up device for on-line photo-electric localization |
Jul. 27, 2004 |
| 6731077 |
Modularized LED illuminator |
May. 4, 2004 |
| 6608453 |
Methods and apparatus for controlling devices in a networked lighting system |
Aug. 19, 2003 |
| 6597130 |
Driving apparatus of discharge tube lamp |
Jul. 22, 2003 |
| 6548967 |
Universal lighting network methods and systems |
Apr. 15, 2003 |
| 6459938 |
Remote supervisory control system |
Oct. 1, 2002 |
| 6388400 |
Administration device for lighting fixtures |
May. 14, 2002 |
| 6388396 |
Electronic ballast with embedded network micro-controller |
May. 14, 2002 |
| 6331756 |
Method and apparatus for digital communications with multiparameter light fixtures |
Dec. 18, 2001 |
| 6204615 |
Intelligent outdoor lighting control system |
Mar. 20, 2001 |
| 6174073 |
Radio frequency remote-controllable lighting system having plurality of lighting units |
Jan. 16, 2001 |
| 6118231 |
Control system and device for controlling the luminosity in a room |
Sep. 12, 2000 |
| 6100643 |
Modular electronic lighting system |
Aug. 8, 2000 |
| 5986414 |
Configurable light output controller, method for controlling lights and a system for implementing the method and including a configurable light output controller |
Nov. 16, 1999 |
| 5962992 |
Lighting control system |
Oct. 5, 1999 |
| 5949200 |
Wall mountable control system with virtually unlimited zone capacity |
Sep. 7, 1999 |
| 5920156 |
Multiple channel, multiple scene dimming system with multiple independent remote dimmers |
Jul. 6, 1999 |
| 5821704 |
Single wire, multiple phase remote dimming system |
Oct. 13, 1998 |
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