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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 |
| 7064496 |
State detection device |
Jun. 20, 2006 |
| 7064499 |
Method for operating at least one low-pressure discharge lamp and operating device for at least one low-pressure discharge lamp |
Jun. 20, 2006 |
| 7049769 |
Circuit arrangement and method for an illumination device having settable color and brightness |
May. 23, 2006 |
| 7049752 |
Light emitting diode control device |
May. 23, 2006 |
| 7045975 |
Apparatus and methods for providing emergency safety lighting |
May. 16, 2006 |
| 7045965 |
LED light module and series connected light modules |
May. 16, 2006 |
| 7042172 |
Systems and methods for providing illumination in machine vision systems |
May. 9, 2006 |
| 7038402 |
Combined exponential/linear RGB LED I-sink digital-to-analog converter |
May. 2, 2006 |
| 7033043 |
Vehicle lighting device and method of assembling a vehicle lighting device |
Apr. 25, 2006 |
| 7030568 |
Circuit arrangement for operation of one or more lamps |
Apr. 18, 2006 |
| 7030565 |
Lamp control circuit with selectable color signals |
Apr. 18, 2006 |
| 7030574 |
Luminary control system |
Apr. 18, 2006 |
| 7023543 |
Method for controlling the luminous flux spectrum of a lighting fixture |
Apr. 4, 2006 |
| 7015659 |
Apparatus for driving a light tube and method therefor |
Mar. 21, 2006 |
| 7012384 |
Illumination device for vehicle compartment |
Mar. 14, 2006 |
| 7012382 |
Light emitting diode based light system with a redundant light source |
Mar. 14, 2006 |
| 7012379 |
Cuttable illumination device |
Mar. 14, 2006 |
| 7005805 |
Back light circuit of LCD in an electric refrigerator |
Feb. 28, 2006 |
| 7002304 |
Multi-lamp drive device |
Feb. 21, 2006 |
| 7002306 |
Lamp driver system with improved redundancy |
Feb. 21, 2006 |
| 6998797 |
Device and method for adjusting currents of lamp tubes |
Feb. 14, 2006 |
| 6995525 |
Light display with color and clear lights |
Feb. 7, 2006 |
| 6989635 |
Vehicular lamp with current limiting circuit |
Jan. 24, 2006 |
| 6984944 |
Controlling device for use with exterior landscape lighting assemblies |
Jan. 10, 2006 |
| 6975070 |
Power source apparatus and vehicular lamp |
Dec. 13, 2005 |
| 6969960 |
Image projection lighting device |
Nov. 29, 2005 |
| 6969955 |
Method and apparatus for dimming control of electronic ballasts |
Nov. 29, 2005 |
| 6969954 |
Automatic configuration systems and methods for lighting and other applications |
Nov. 29, 2005 |
| 6967448 |
Methods and apparatus for controlling illumination |
Nov. 22, 2005 |
| 6965203 |
Method and circuit for repetitively firing a flash lamp or the like |
Nov. 15, 2005 |
| 6965205 |
Light emitting diode based products |
Nov. 15, 2005 |
| 6963177 |
Open circuit detection for vehicular lamp |
Nov. 8, 2005 |
| 6960892 |
Variable output single constant source light fixture |
Nov. 1, 2005 |
| 6958584 |
Lamp driving apparatus and method for driving lamp |
Oct. 25, 2005 |
| 6955435 |
Image projection lighting device |
Oct. 18, 2005 |
| 6956338 |
Analog control of light sources |
Oct. 18, 2005 |
| 6954037 |
Electrodeless lighting system |
Oct. 11, 2005 |
| 6949894 |
Digital pool light |
Sep. 27, 2005 |
| 6949893 |
Television receiver and cold-cathode tube dimmer |
Sep. 27, 2005 |
| 6949890 |
LCD back light panel lamp connecting structure |
Sep. 27, 2005 |
| 6946805 |
Controller for a light display |
Sep. 20, 2005 |
| 6940230 |
Modular lamp controller |
Sep. 6, 2005 |
| 6930456 |
Method and apparatus for controlling images with image projection lighting devices |
Aug. 16, 2005 |
| 6927547 |
System bridge and timeclock for RF controlled lighting systems |
Aug. 9, 2005 |
| 6927546 |
Load control system and method |
Aug. 9, 2005 |
| 6917166 |
Vehicular lamp |
Jul. 12, 2005 |
| 6909247 |
Electrical display device with individual display members |
Jun. 21, 2005 |
| 6897624 |
Packaged information systems |
May. 24, 2005 |
| 6894443 |
Stage lighting lamp unit and stage lighting system including such unit |
May. 17, 2005 |
| 6891338 |
Projector, lamp lighting circuit and lamp lighting control method |
May. 10, 2005 |
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