F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 33/00 (2006.01) H01H 9/00 (2006.01) H01H 9/18 (2006.01)
Patent
CA 2289058
A wall switch cover plate (40) conceals an electrical circuit (50) capable of sensing the field provided by the covered switch circuit. When power is lost at the switch circuit the electrical circuit (50) senses the loss of power and activates one or more LEDs (56) to provide emergency illumination. The electrical circuit (56) is self contained and does not require stand-by energy so that the batteries are long lasting.
Cette plaque-couvercle d'interrupteur mural (40) renferme un circuit électrique (50) capable de détecter le champ produit par le circuit de commutation sous-jacent. Toute perte de puissance à ce niveau est détectée par ledit circuit (50) qui active une diode électroluminescente (DEL) (56), sinon plusieurs, afin d'assurer un éclairement de secours. Le circuit électrique (50) est autonome et ne nécessite pas une alimentation pour état de veille de sorte que ses accumulateurs sont de longue durée.
Electro Static Solutions Llc
Oyen Wiggs Green & Mutala Llp
LandOfFree
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