Programmable controller

Details Programmable controller Programmable controller

1977-02-23

1978-11-28

Heyman, John S.

328 75, 328 48, G01R 1116

Patent

active

041278232

ABSTRACT:
A single digitally programmable divide by "N" counter controls a timing sequence composed of a plurality of timed intervals. Each interval in the sequence is independent of the other intervals even though the same programmable divide by N counter is used to control the length of each interval. The completely digital controller automatically reprograms itself in a predetermined manner for each interval in a sequence. A single clock circuit provides the interval lengths typically ranging from milliseconds to hundreds of hours for the controlled intervals. The output from the controller is a repetitive series of "1"s and "0"s of the adjustable timed durations.

REFERENCES:
patent: 2975338 (1961-03-01), Bivens et al.
patent: 3657658 (1972-04-01), Kubo
patent: 3697879 (1972-10-01), Holliday
patent: 3829784 (1974-08-01), Eshraghian

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