Remote dummy load

Details Remote dummy load Remote dummy load

2007-09-11

2007-09-11

Lee, Benjamin C. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of burglary or unauthorized use

C340S907000

Reexamination Certificate

active

11043371

ABSTRACT:
The inventive dummy load is mounted on the input power cables of a traffic signal while managing the heat load generated by either a resistive and/or capacitive load. Using the inventive dummy load, there is no thermal path back to the light emitting diode (LED) board. The inventive dummy load may be easly installed, removed, or replaced. The dummy load can be retrofit to adapt to a new controller, either by adding to or replacing the dummy load after initial installation or by removing part or all of the dummy load. There is no need to breach the sealed lamp to adjust the dummy load. Thus, field-adjustments can be made. Further, the number of parts required to manufacture lamps for a variety of retrofit applications are reduced, which in turn reduces the cost and complexity of the lamp.

REFERENCES:
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patent: 6452803 (2002-09-01), Liu
patent: 6762563 (2004-07-01), St-Germain et al.
patent: 7014225 (2006-03-01), Goodsel et al.
patent: 2004/0070519 (2004-04-01), Wu et al.
patent: 2006/0051093 (2006-03-01), Manna
patent: 30982 84 (1985-01-01), None
patent: WO97/26483 (1997-07-01), None
patent: WO 2004/075606 (2004-09-01), None
patent: WO 2005/038476 (2005-04-01), None
PCT/US2005/002743, PCT International Search Report, 2005.

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