Thermostat assembly

Details Thermostat assembly Thermostat assembly

1979-08-27

1980-11-25

Wayner, William E.

Automatic temperature and humidity regulation

Thermostatic

With indicator or alarm

200302, 236 46R, 337381, 339 17CF, H01H 3704, H05K 100

Patent

active

042353688

ABSTRACT:
A programmable thermostat features a memory unit receptive of unit values of temperature desired at different times on different days all individually 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: 2041363 (1936-05-01), McNicoll
patent: 3096935 (1963-07-01), Gibson
patent: 3891144 (1975-06-01), Sadler et al.
patent: 4035046 (1977-07-01), Kloth
patent: 4079366 (1978-03-01), Wong

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