Day-night programmable thermostat

Automatic temperature and humidity regulation – With timing element – Timer other than clock

Patent

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Details

236 68B, 337377, G05D 2330

Patent

active

040320693

ABSTRACT:
A heat source, preferably a resistor or the like, is positioned adjacent the temperature sensing means of a conventional thermostat. A timer is electrically connected to the heat source and to a source of power to control the application of power to the heat source which in turn affects the temperature of air immediately adjacent the thermostat temperature sensing means which in turn controls the operation of the thermostat.

REFERENCES:
patent: 1689809 (1928-10-01), Vaughan
patent: 2261582 (1941-11-01), Haines
patent: 2491931 (1949-12-01), Raker et al.
patent: 3834618 (1974-09-01), Buckwalter
patent: 3934217 (1976-01-01), Brick

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