Input device

Details Input device Input device

1976-08-12

1978-06-27

Sewell, Paul T.

Typewriting machines

Key-board or key lever-actuating mechanism

Including means generating a signal for type selecting or...

200159B, 340365R, 4004951, 400120, 400 88, B41J 512

Patent

active

040969355

ABSTRACT:
An input device is provided with simplified operation for correcting errors. One key is adapted to perform a plurality of key functions, for instance, one function feeds a recording medium backwardly, another prints an error mark. Such key is provided with a bridge member which is interposed, in bridge configuration, between the bottom part of the key top and switch contact member located over other switch contact elements in a pair with said switch contact members. When one key is depressed, a plurality of key switches are actuated.

REFERENCES:
patent: 2343060 (1944-02-01), Horning
patent: 2813160 (1957-11-01), Tong
patent: 3482671 (1969-12-01), Shattuck
patent: 3696908 (1972-10-01), Gluck et al.
patent: 3778818 (1973-12-01), Scholten
patent: 3783205 (1974-01-01), Boulanger
patent: 3823808 (1974-07-01), Murata et al.
patent: 3844395 (1974-10-01), Mero et al.
patent: 3845850 (1974-11-01), Herr et al.
patent: 3862679 (1975-01-01), Ozimek et al.
patent: 3924722 (1975-12-01), Wienhold
patent: 3987437 (1976-10-01), Hatsukano et al.

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