Transfer system for multi-variable control units

Details Transfer system for multi-variable control units Transfer system for multi-variable control units

1979-03-30

1981-06-30

Ruggiero, Joseph F.

Boots, shoes, and leggings

364101, 371 9, G06F 1546, G06F 1516, G06F 1116

Patent

active

042765935

ABSTRACT:
An automatic transfer method and apparatus for a multi-variable control unit having at least two process control units is disclosed which initiates transfer from the selected controller to the non-selected controller through failure of the selected controller to produce transfer preventing signals.

REFERENCES:
patent: 3444528 (1969-05-01), Lovell et al.
patent: 3471686 (1969-10-01), Connell
patent: 3636331 (1972-01-01), Amrehn
patent: 3786433 (1974-01-01), Notley et al.
patent: 3898441 (1975-08-01), Davis et al.
patent: 3991407 (1976-11-01), Jordon, Jr. et al.
patent: 4096990 (1978-06-01), Strelow
patent: 4153198 (1979-05-01), Eki et al.

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