Keyboard having switches with tactile feedback

Details Keyboard having switches with tactile feedback Keyboard having switches with tactile feedback

1971-08-23

1976-03-02

Scott, James R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 5A, 200 67DB, 200159B, 200275, 200302, 200335, 200340, H01H 1326, H01H 106

Patent

active

039419533

ABSTRACT:
An array of curved metal strips is supported over an array of conductors, and a key is supported over each intersection of a metal strip and a conductor. When a user depresses a key, a metal strip is pressed against a conductor to make an electrical connection. As the metal strip is deflected by the key, it snaps or buckles, providing tactile feedback to the user.

REFERENCES:
patent: 2808476 (1957-10-01), Elliott
patent: 2930859 (1960-03-01), Nolden et al.
patent: 3051803 (1962-08-01), Brown
patent: 3089923 (1963-05-01), Wright
patent: 3240885 (1966-03-01), Grunfelder et al.
patent: 3290439 (1966-12-01), Willcox et al.
patent: 3600528 (1971-08-01), Leposavic
patent: 3627935 (1971-12-01), Spievak
patent: 3666899 (1972-05-01), Kerr
patent: 3673357 (1972-06-01), Molchan

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