Programmed control unit

Details Programmed control unit Programmed control unit

1974-09-06

1976-10-19

Caldwell, John W.

Communications: electrical

Systems

Timer control

3403096, 200 37R, G08B 100

Patent

active

039874303

ABSTRACT:
A programmed control unit is provided which is capable of controlling one or more pieces of electrical equipment, and of turning such equipment on and off automatically at pre-established times which may change from day-to-day. The programmed control unit of the invention includes, for example, one or more program storage members which control the electrical switching of one or more associated pieces of equipment on an independent basis, and in accordance with a program which may extend, for example, from day-to-day, for a month or more.

REFERENCES:
patent: 3078356 (1963-02-01), Friedman et al.
patent: 3111656 (1963-11-01), Barrett et al.
patent: 3188407 (1965-06-01), Avgerinos
patent: 3204236 (1965-08-01), Duris et al.
patent: 3287633 (1966-11-01), Mollo
patent: 3432848 (1969-03-01), La Porta
patent: 3538270 (1970-11-01), Buechner
patent: 3828200 (1974-08-01), Gerry

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