Infrared radiation bi-level electric control

Details Infrared radiation bi-level electric control Infrared radiation bi-level electric control

1985-02-15

1987-03-03

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307116, H01H 3500

Patent

active

046477888

ABSTRACT:
An electric switch for controlling a light has an infrared radiation detector. In response to a change in the radiation being sensed by the detector, the light is illuminated to a first brightness level. A manual switch is provided to turn on the light to a second brightness level.

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patent: 4364030 (1982-12-01), Rossin
patent: 4377808 (1983-03-01), Kao

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