Repeatedly operable timer

Details Repeatedly operable timer Repeatedly operable timer

1978-05-17

1982-04-06

Thesz, Joseph M.

Registers

Platform operated

Platform actuated traffic counters

235 92T, H03K 2700

Patent

active

043237673

ABSTRACT:
A repeatedly operable timer is adapted such that preselected time information is reloaded automatically upon lapse of that preselected time information. There are provided an input unit for introduction of preselectable time information, a first and a second storages for storing the same preselectable time information introduced, a subtractor effecting subtraction at a given interval on the time information stored in the first storage, a detector which detects if the time information in the first storage reaches zero as a result of the subtraction, and a control which permits the time information in the second storage to be transferred into the first storage in response to the output of the zero detector.

REFERENCES:
patent: 3581066 (1971-05-01), Maure et al.
patent: 3800253 (1974-03-01), Bryant
patent: 3824378 (1974-07-01), Johnson et al.
patent: 3909791 (1975-09-01), van den Berg

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