Programmable sequencing device for controlling fast complex proc

Details Programmable sequencing device for controlling fast complex proc Programmable sequencing device for controlling fast complex proc

1988-03-21

1990-06-05

Heckler, Thomas M.

Boots, shoes, and leggings

364921, 3649269, 3649265, G05B 1904

Patent

active

049319850

ABSTRACT:
Described is a sequencing device comprising a plurality of shift register stages, a plurality of switches and an output bus which couples the outputs from the shift register stages to inputs of the switches. Each shift register stage includes a data input port coupled to a selected switch, a clock input port coupled to a clock control signal line and a clear input port coupled to a clear control signal line. The sequencing device may be set in at least one of a plurality of states by external events that are provided as input signals to the sequencing device through input bus (10).

REFERENCES:
patent: 3824378 (1974-07-01), Johnson et al.
patent: 4021651 (1977-05-01), Mitsuhashi et al.
patent: 4142246 (1979-02-01), Fumihiko et al.
patent: 4575583 (1986-03-01), Kartalopoulos
patent: 4663730 (1987-05-01), Ikeda
patent: 4748552 (1988-05-01), Seino
IBM TDB, vol. 20, No. 2, Jul. 1977 (pp. 743-744).

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