Electronic digital dual sequential timing control apparatus for

Details Electronic digital dual sequential timing control apparatus for Electronic digital dual sequential timing control apparatus for

1986-10-27

1988-03-15

Shaw, Gareth D.

Boots, shoes, and leggings

G06F 1520

Patent

active

047317299

ABSTRACT:
An electronic digital timing control apparatus for controlling different durations for two sequential events in alternation, especially in environmental systems. The timing control apparatus is programmable and contains a single oscillator and a binary counter which counts a predetermined fixed number of output cycles from the oscillator. At one end of the first count, tuning components for the oscillator are switched in order to change the oscillator frequency and thereby the duration for the next count for the next corresponding event.

REFERENCES:
patent: 4253153 (1981-02-01), Bitterli et al.
patent: 4276925 (1981-07-01), Palmieri
patent: 4430828 (1984-02-01), Oglevee et al.
patent: 4527247 (1985-07-01), Kaiser et al.

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