Analogical control device for a typewriting machine to be used b

Details Analogical control device for a typewriting machine to be used b Analogical control device for a typewriting machine to be used b

1978-02-14

1980-03-04

Wright, Jr., Ernest T.

Typewriting machines

For operation by handicapped user

400 83, 340365R, B41J 530

Patent

active

041914813

ABSTRACT:
The invention relates to an analogical control of a typewriting machine, for use by handicapped persons which comprises a linear display comprising as many positions as there are characters or functions to be printed or controlled, each character or function being associated with a utilization circuit, and which comprises further a variable speed scanning device of said display in order to select a desired character or function; the stopping of the scanning on a given position causing the energization of the corresponding utilization circuit.

REFERENCES:
IBM Technical Disclosure Bulletin, "Character Display and Input Device," Altman, vol. 15, No. 5, Oct., 1972, p. 1619.
1973 Carnahan Conference on Electronic Prosthetics, "Typewriter for Teaching Severely Handicapped Children," Harding et al., pp. 43-46, Sep., 1973.

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