Programmable controller

Details Programmable controller Programmable controller

1981-07-20

1984-11-20

Zache, Raulfe B.

Boots, shoes, and leggings

364147, G06F 1546

Patent

active

044843038

ABSTRACT:
An improved programmable controller having the ability to use two different data bases while presenting to the outside world a uniform word size. The programmable controller includes pipeline processing and hardware solution of a user control program in a network node format. A memory management scheme is provided allowing for the direct addressability of one-half million words by utilization of a page register. The programmable controller can be incorporated into a network containing other programmable controllers. The programmable controller also incorporates a multi-task interrupt so that the processor can handle more than one job at any particular time. Input/output tasks are handled logically in the scan solving the user networks rather than being based upon a particular physical area of the controller memory.

REFERENCES:
patent: 3930233 (1975-12-01), Morley
patent: 3975622 (1976-08-01), Horn
patent: 3982230 (1976-09-01), Burkett
patent: 4062059 (1977-12-01), Suzuki
patent: 4231091 (1980-10-01), Motz
patent: 4253148 (1981-02-01), Johnson

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