Multi-item data input apparatus

Details Multi-item data input apparatus Multi-item data input apparatus

1980-04-17

1981-10-27

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

Identifying, composing, or selecting

353 25, G03B 2752, G03B 2302

Patent

active

042970288

ABSTRACT:
A multi-item data input apparatus for manual generation of data to designate selected ones of a plurality of items comprises lists of items visibly written in matrix array form on a number of sheets, with the sheets being rolled around a cylindrical holder in successively overlapping relationship. Means are provided for unrolling a selected one of the sheets such as to position the corresponding item array below a keyboard having a transparent key above each item. Actuation of a key causes an electrical signal designating the corresponding item to be generated.

REFERENCES:
patent: 3288025 (1966-11-01), Litz et al.
patent: 3594080 (1971-07-01), McMillin
patent: 3679304 (1972-07-01), Eng
patent: 3751006 (1973-08-01), Craig
patent: 3771863 (1973-11-01), Muka

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