Shielded keyboard

Details Shielded keyboard Shielded keyboard

1985-10-02

1987-06-09

Burr, Edgar S.

Typewriting machines

Means auxiliary to typewriting function

Attachment for shielding or screening record-medium or...

400472, 235145R, 340365R, B41J 2900, G06C 702

Patent

active

046716882

ABSTRACT:
A shielded keyboard comprising a sheet of flexible fine wire mesh material between an array of keyboard contacts and an apposed array of switching actuators.

REFERENCES:
patent: 3627927 (1971-12-01), Schmitz et al.
patent: 3693775 (1972-09-01), Brooks et al.
patent: 3964594 (1976-06-01), Gabbrielli et al.
patent: 4119839 (1978-10-01), Beckmann et al.
IBM Tech. Disc. Bulletin, "Keyboard", Dicks, vol. 12, No. 7, Dec. 1979, p. 982.
IBM Tech. Disc. Bulletin, "Provision of Movement and Sound in Capacitance Switch and Diaphragm Switch Keybords", Mitchell et al., vol. 24, No. 5, Oct. 1981, pp. 2422-2423.

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