Thermostat with energy saving backlit switch actuators and visual display

An air conditioning system thermostat includes a visual display and plural switch actuators, respectively backlit by an electroluminescent lamp and LED light sources mounted on a circuit board disposed in a thermostat housing. A control circuit causes at least one switch actuator to be illuminated c...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: ERWIN W. RANDALL, STORM TIMOTHY W, GARRETT CARL L
Format: Patent
Sprache:eng
Schlagworte:
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