Switch cover plate providing automatic emergency lighting
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United States of America Patent
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-
Nov 10, 1998
Grant Date -
N/A
app pub date -
Apr 25, 1997
filing date -
Apr 25, 1997
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A wall switch cover plate conceals an electrical circuit capable of sensing the field provided by the covered switch circuit. When power is lost at the switch circuit the electrical circuit senses the loss of power and activates one or more LEDs to provide emergency illumination. The electrical circuit is self contained and does not require stand-by energy so that the batteries are long lasting.
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Family
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Cited Art Landscape
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