Interface system for use with microprocessor based control syste

Details Interface system for use with microprocessor based control syste Interface system for use with microprocessor based control syste

1994-12-22

1995-08-08

Weldon, Ulysses

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

273438, 345146, 345184, G09G 302

Patent

active

054403251

ABSTRACT:
An interface system and a method therefor are disclosed for cooperating with a microprocessor based control system that presents at least one of a plurality of options for selection on a display. The system provides a first and a second rotatable dial each of which provide at least one of a plurality of inputs to the microprocessor controlled display. The combination of inputs from the first dial and the second dial define one or more menu-like options that a user can select from the display via a selection push button. A second push button is provided to enable the user to reject or step out of a menu option. This interface system, unlike keyboards and mouses, is particularly compact and rugged. Consequently, this interface system is exceptionally well suited for interacting with a microprocessor based control system in an industrial environment or any other type of harsh operating environment.

REFERENCES:
patent: 4647915 (1987-03-01), Shank et al.
patent: 4695711 (1987-09-01), McGeorge
patent: 4763116 (1988-08-01), Eichholz
patent: 4764763 (1988-08-01), Wickstead et al.
patent: 4918293 (1990-04-01), McGeorge

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