Programmable sequence controller

Details Programmable sequence controller Programmable sequence controller

1976-08-11

1977-09-13

Botz, Eugene G.

Boots, shoes, and leggings

G05B 1132

Patent

active

040486222

ABSTRACT:
In a programmable sequence controller, a logic operation circuit has first and second AND gates, first and second OR gates and first to fourth flip flops. An input is applied to the two AND gates and the two OR gates. The first and second AND gates receive outputs of the first and second flip flops wich receive outputs of the first and second AND gates and are triggered in response to first and second control commands, respectively. The first and second OR gates receive outputs of the third and fourth flip flops which receive outputs of the first and second OR gates and are triggered in response to third and fourth control commands, respectively. A sequence control is performed in response to the outputs of the first to fourth flip flops.

REFERENCES:
patent: 3832696 (1974-08-01), Nakao et al.
patent: 3996565 (1976-12-01), Nakao et al.

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