Electronic timer and thermoswitch device

Details Electronic timer and thermoswitch device Electronic timer and thermoswitch device

1976-05-20

1978-03-14

Pitts, Harold I.

Communications: electrical

Systems

Timer control

3403091, 340409, H01H 4300

Patent

active

040793664

ABSTRACT:
An electronic programmable clock timer permits a program of times to be set so that certain electrical functions either AC or DC, can be operated responsive to the times set. A high and low range temperature selector can be set to turn ON or OFF thus operating certain electrical functions such as heating, cooling, lights, etc. When in the selected operating time range, means are provided to eliminate operation of the device on certain days or within certain time periods. Extensive use is made of I.C. circuitry, including memory circuits, comparator circuits and the like.

REFERENCES:
patent: 3790815 (1974-02-01), Karklys
patent: 3798424 (1974-03-01), Freitas
patent: 3903515 (1975-09-01), Haydon

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