Digital controller

Details Digital controller Digital controller

1978-03-27

1980-02-19

Ruggiero, Joseph F.

Boots, shoes, and leggings

364103, 364900, G06F 1546

Patent

active

041897650

ABSTRACT:
A digital controller is provided for a process control system having a centralized display of process variables and parameters, which allows an operator to alter some or all of the parameters. The controller includes both a digital display and an analog display. The digital display allows instant response to inquiries concerning a wide number of operating prameters and conditions, while the analog display provides a continuous display of the major variables and parameters.

REFERENCES:
patent: 3971000 (1976-07-01), Cromwell
patent: 3976981 (1976-08-01), Bowden
patent: 3987351 (1976-10-01), Appelberg
patent: 4001807 (1977-01-01), Dallimonti
patent: 4064394 (1977-12-01), Allen
"Taylor's Mod III Process Control System", Control Engineering, vol. 23, No. 4, pp. 11-12, Apr. 1976.
Markham et al., "The IBM 1800 Control System for Direct Digital Control", 1965 IEEE International Convention Record, pp. 124-134.

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