Multi-item input/output device to input information to and retri

Details Multi-item input/output device to input information to and retri Multi-item input/output device to input information to and retri

1979-08-31

1981-12-01

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340707, 340286M, G06F 314

Patent

active

043039162

ABSTRACT:
A multi-item input/output display device is disclosed which includes a sheet bearing a plurality of markings indicative of respective items, a display matrix array provided for respective ones of the item markings on the sheet, a scanner for sequentially scanning those display elements in the array and a light pen carrying a light sensor and adapted to develop a code signal indicative of a specific selected item when the specific item is illustrated with the light pen, the code signal applied from outside being displayed by those display elements.

REFERENCES:
patent: 3760373 (1973-09-01), Bartz
patent: 3898636 (1975-08-01), Smith
patent: 3932862 (1976-01-01), Graven
patent: 4065754 (1977-12-01), Miura et al.
patent: 4104617 (1978-08-01), Bean et al.
patent: 4190833 (1980-02-01), Bejting et al.

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