Thermostat with automatic heat/air conditioning changeover

Details Thermostat with automatic heat/air conditioning changeover Thermostat with automatic heat/air conditioning changeover

1979-12-31

1982-02-16

Wise, Edward J.

Boots, shoes, and leggings

364557, 364418, 364143, 236 46R, F23N 520, H05B 102

Patent

active

043162568

ABSTRACT:
A microcomputer controlled digital thermostat has separate, independent registers for storing heating control information and cooling control information. On a periodic basis, the microcomputer determines whether the furnace should be turned on, based upon a temperature signal indicative of room temperature, a time-of-day value indicative of the present time of day, and the stored heating control information. If the furnace is already off and the microcomputer determines that it should remain off, the microcomputer then determines whether air conditioning is needed, based upon the temperature signal, the time-of-day value, and the stored cooling control information.

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