Thermostat assembly

Details Thermostat assembly Thermostat assembly

1980-05-06

1981-03-24

Wayner, William E.

Automatic temperature and humidity regulation

Thermostatic

With indicator or alarm

200304, 200333, 235145R, H01H 902, G06C 702

Patent

active

042575559

ABSTRACT:
A programmable thermostat features a memory unit receptive of unit values of temperature desired at different times on different days all individualy or in various combinations both as to days and times. An output device signals a temperature control system. As controlled by a clock, the memory unit is addressed during different times of the different days to provide a signal representing the corresponding value desired. Existing temperature level is sensed and compared with each value so as to develop an error signal. In response to that error signal, the output is operated in a direction to reduce the difference between actual and desired temperatures. Numerous details as to layout, construction and circuitry are presented.

REFERENCES:
patent: 4066850 (1978-01-01), Heys, Jr.
patent: 4079366 (1978-03-01), Wong
patent: 4084214 (1978-04-01), Eppich
patent: 4119839 (1978-10-01), Beckmann et al.

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