Sequence control system with timed operations

Details Sequence control system with timed operations Sequence control system with timed operations

1975-08-14

1977-05-10

Miller, Jr., Stanley D.

Registers

Coded record sensors

Particular sensor structure

235153R, 307232, 328130, 340223, H03K 1700, H03K 2134, G08B 2300

Patent

active

040231097

ABSTRACT:
A system for checking and controlling a sequence of operations including a plurality of logic circuits corresponding to the number of operations. A bistable latch circuit has complementary outputs connected to inputs of two gates. A counter counts timing pulses and has its output connected to another input of each gate. If a signal is received by the latch indicating completion of an operation prior to the counter reaching a predetermined count, one gate provides a signal enabling the sequence of operations to continue. If the counter reaches the predetermined count prior to receipt of the signal by the latch, the other gate provides a signal to interrupt the sequence of operations.

REFERENCES:
patent: 3214695 (1965-10-01), Betz
patent: 3399351 (1968-08-01), Reska
patent: 3450995 (1969-06-01), Hirsch
patent: 3525082 (1970-08-01), Jensen
patent: 3634769 (1972-01-01), Sleater et al.
patent: 3638189 (1972-01-01), Gamache et al.
patent: 3668652 (1972-06-01), Zahn

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