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Class Information
Number: 315/294
Name: Electric lamp and discharge devices: systems > Current and/or voltage regulation > Plural load device regulation
Description: Systems which include means to regulate the current or voltage supplied to two or more of the load devices.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4350935 |
Gas discharge lamp control |
Sep. 21, 1982 |
| 4242614 |
Lighting control system |
Dec. 30, 1980 |
| 4241295 |
Digital lighting control system |
Dec. 23, 1980 |
| 4240011 |
Keyboard operated controller |
Dec. 16, 1980 |
| 4234820 |
Light regulation system |
Nov. 18, 1980 |
| 4190790 |
Isolator circuit for use with frequency sensitive switching circuit |
Feb. 26, 1980 |
| 4169259 |
Frequency sensitive switching circuit |
Sep. 25, 1979 |
| 4095139 |
Light control system |
Jun. 13, 1978 |
| 4057751 |
Controlled dimmer lighting system |
Nov. 8, 1977 |
| 4045664 |
Lighting fitting provided with at least two-low-pressure mercury vapor discharge lamps |
Aug. 30, 1977 |
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