System for detecting indoor conditions and air conditioner incor

Details System for detecting indoor conditions and air conditioner incor System for detecting indoor conditions and air conditioner incor

1993-08-24

1994-07-05

Wayner, William E.

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

236 51, 33 1V, 356380, F24F 700, G01B 1128

Patent

active

053260287

ABSTRACT:
A system to be installed within a room for detecting indoor condition data such as the interior area of the room and the number and position of occupants therein comprises an LED array for emitting a spotlight to form a multiplicity of light spots one by one successively as dispersed on the interior surface of the room at approximately equal spacings. The spotlight is projected from the array on the interior surface and concentrated on a one-dimensional PSD upon reflection. The indoor condition data is calculated by using triangulation for the optical system and output currents of the PSD as input signals.

REFERENCES:
patent: 3819918 (1974-06-01), Hale
patent: 5235398 (1993-08-01), Miller et al.

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