Automatic temperature and humidity regulation – With timing element – Timer other than clock
Patent
1991-12-20
1993-04-20
Wayner, William E.
Automatic temperature and humidity regulation
With timing element
Timer other than clock
236 51, G05D 2300
Patent
active
052034976
ABSTRACT:
A thermostat providing external communication comprising two microprocessors. One microprocessor may be dedicated to the external communication while the other microprocessor runs the application programming. The thermostat is separated into a thermostat housing and subbase. One microprocessor may be located within the thermostat housing with the other located within the subbase. This allows for changing the applications programming through replacement either the housing or the subbase. Replacement of only one portion of the thermostat is cheaper and can be easier.
REFERENCES:
patent: 4335847 (1982-06-01), Levine
patent: 4497031 (1985-01-01), Froehling et al.
patent: 4606401 (1986-08-01), Levine et al.
patent: 4661914 (1987-04-01), Mulokey et al.
patent: 4819714 (1989-04-01), Otsuka et al.
Ratz James W.
Schnell Robert J.
Honeywell Inc.
Leonard Robert B.
Wayner William E.
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