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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 |
| 5623256 |
Radio paging electrical load control system and device |
Apr. 22, 1997 |
| 5600310 |
Serial bus control for appliances |
Feb. 4, 1997 |
| 5504400 |
Two-channel AC light dimmer and lighting system |
Apr. 2, 1996 |
| 5498938 |
High-efficacy incandescent lighting system |
Mar. 12, 1996 |
| 5495147 |
LED light string system |
Feb. 27, 1996 |
| 5414328 |
Stage lighting control console including assignable macro functions |
May. 9, 1995 |
| 5406176 |
Computer controlled stage lighting system |
Apr. 11, 1995 |
| 5309067 |
Cascade lighting system |
May. 3, 1994 |
| 5294868 |
Dual lamp electronic ballast with independent control means |
Mar. 15, 1994 |
| 5254908 |
Sign board lighting control system |
Oct. 19, 1993 |
| 5192895 |
Synchronously-controlled light string |
Mar. 9, 1993 |
| RE34135 |
Light matrix display system |
Dec. 1, 1992 |
| 5140225 |
High frequency lamp transformer for linear lighting fixture |
Aug. 18, 1992 |
| 5138233 |
Driver circuit for a plurality of gas discharge lamps |
Aug. 11, 1992 |
| 5132594 |
Longer-life incandescent lamp |
Jul. 21, 1992 |
| 5128595 |
Fader for miniature lights |
Jul. 7, 1992 |
| 5101141 |
Lighting control |
Mar. 31, 1992 |
| 5059871 |
Programmable lighting control system linked by a local area network |
Oct. 22, 1991 |
| 5047696 |
Power-limited ceiling lighting system |
Sep. 10, 1991 |
| 5023517 |
Light controller apparatus |
Jun. 11, 1991 |
| 5003227 |
Power distribution for lighting systems |
Mar. 26, 1991 |
| 5003232 |
Luminaire having detachable reversible holders for supporting different numbers of tubular lamps |
Mar. 26, 1991 |
| 4996463 |
Auxiliary lighting system for high intensity discharge lamp |
Feb. 26, 1991 |
| 4992704 |
Variable color light emitting diode |
Feb. 12, 1991 |
| 4977353 |
Communication system for single point emergency lighting |
Dec. 11, 1990 |
| 4963798 |
Synthesized lighting device |
Oct. 16, 1990 |
| 4947302 |
Improvements to control systems for variable parameter lighting fixtures |
Aug. 7, 1990 |
| 4939426 |
Light emitting diode array |
Jul. 3, 1990 |
| 4933603 |
Circuit arrangement for indicator lights in motor vehicles |
Jun. 12, 1990 |
| 4922154 |
Chromatic lighting display |
May. 1, 1990 |
| 4912371 |
Power saving fluorescent lamp substitute |
Mar. 27, 1990 |
| 4912372 |
Power circuit for series connected loads |
Mar. 27, 1990 |
| 4906901 |
Power supply for outdoor lighting systems using high frequency |
Mar. 6, 1990 |
| 4899089 |
Time-variable illuminating device |
Feb. 6, 1990 |
| 4896078 |
Distributed ballasting system for sun tanning apparatus |
Jan. 23, 1990 |
| 4893064 |
Operating system for skin treatment apparatus |
Jan. 9, 1990 |
| 4888526 |
Operating system for sun tanning apparatus |
Dec. 19, 1989 |
| 4843283 |
Infrared ray detector control illumination system |
Jun. 27, 1989 |
| 4797795 |
Control system for variable parameter lighting fixtures |
Jan. 10, 1989 |
| 4772825 |
Panel for controlling lighting scene |
Sep. 20, 1988 |
| 4749916 |
Illuminator for cultivating plant |
Jun. 7, 1988 |
| 4734625 |
Control circuit for system for controlling the operation of electric lights |
Mar. 29, 1988 |
| 4727289 |
LED lamp |
Feb. 23, 1988 |
| 4716344 |
Microprocessor controlled lighting system |
Dec. 29, 1987 |
| 4688154 |
Track lighting system with plug-in adapters |
Aug. 18, 1987 |
| 4675578 |
Electric votive light controller |
Jun. 23, 1987 |
| 4667133 |
Power-limited lighting system |
May. 19, 1987 |
| 4656637 |
Multiple ring laser gyro power supply |
Apr. 7, 1987 |
| 4626747 |
Class-3 lighting system |
Dec. 2, 1986 |
| 4602191 |
Jacket with programmable lights |
Jul. 22, 1986 |
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