Automatic temperature and humidity regulation – With timing element – Timer other than clock
Patent
1993-12-17
1997-03-18
Wayner, William E.
Automatic temperature and humidity regulation
With timing element
Timer other than clock
62213, 236 78B, F25B 4100, F23N 520
Patent
active
056114842
ABSTRACT:
A thermostat has terminals to receive at least two temperature sensor signals, and changes the one of these terminals which provides the feedback signal for temperature control responsive to a detected condition. This condition may be a manual input, expiry of a time interval, reaching a time of day, or the relative magnitudes of the temperatures encoded in the sensor signals.
REFERENCES:
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patent: 4264034 (1981-04-01), Hyltin
patent: 4977752 (1990-12-01), Hanson
patent: 4997029 (1991-03-01), Otsuka et al.
patent: 5135045 (1992-08-01), Moon
patent: 5181653 (1993-01-01), Foster et al.
patent: 5197668 (1993-03-01), Ratz et al.
patent: 5299430 (1994-04-01), Tsuchiyama
Honeywell Inc.
Schwarz Edward L.
Wayner William E.
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