Electronic multi-zone timed temperature control apparatus

Details Electronic multi-zone timed temperature control apparatus Electronic multi-zone timed temperature control apparatus

1979-10-03

1981-11-03

Wayner, William E.

Automatic temperature and humidity regulation

With timing element

Timer other than clock

165 12, 236 47, 236 51, F23N 520, G05D 2300

Patent

active

042981638

ABSTRACT:
The problem of adequate flexibility and reliability in apparatus for controlling temperatures in a plurality of zones is solved by a clock and digital logic circuits, together with a temperature sensing circuit portion effective in combination with platinum film-type temperature sensors, which produce effective sensing over a wide range of temperatures. The control apparatus automatically effects two temperature sets per twenty-four hour period for each zone with an optional temperature set for weekends for all zones and has a display of current time and a display of temperature for each zone.

REFERENCES:
patent: 4079366 (1978-03-01), Wong
patent: 4162036 (1979-07-01), Balduzzi et al.
patent: 4191328 (1980-03-01), Isaacs et al.
patent: 4206872 (1980-06-01), Levine

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