LIGHT RESPONSIVE ELECTRICAL LAMP DIMMING MEANS
United States Patent 3500455
US Patent References:
Lamp control circuit
- - 3027491
Automatic control equipment for a stage lighting system
- - 3265932
Multiple program traffic control systems
- - 3133264
Vehicle highway weather warning system
- - 3283297
Lamp dimming circuit
- - 3416032
Lamp control circuit
- - 3027491
Automatic control equipment for a stage lighting system
- - 3265932
Multiple program traffic control systems
- - 3133264
Vehicle highway weather warning system
- - 3283297
Lamp dimming circuit
- - 3416032
Inventors:
Ross, Stanley L.
Fitzpatrick, Joseph T.
Fitzpatrick, Joseph T.
Publication Date:
03/10/1970
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Export Citation:
Assignee:
MINNESOTA MINING & MFG
Primary Class:
Other Classes:
340/907, 323/905, 340/815.750, 315/194, 315/154
International Classes:
H05B39/08; H05B39/00; H05B37/02; H05B41/36; H05B39/04