Low-impact keyboard

Details Low-impact keyboard Low-impact keyboard

1997-02-18

1999-08-03

Hofsass, Jeffery A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

200 5R, 341 22, 400490, 400491, 400495, G09G 500

Patent

active

059331330

ABSTRACT:
A low-impact keyboard for decreasing the risk of a repetitive stress injury to the user, having a plurality of keys and an impact absorbing mechanism. In a preferred embodiment, the keyboard includes a flexible circuit board beneath the keys and a circuit board support plate beneath the flexible circuit board. The impact absorbing mechanism is an impact sheet of a resilient material between the flexible circuit board and the circuit board support plate, below the contact point of each key.

REFERENCES:
patent: 793462 (1905-06-01), Munson
patent: 3964594 (1976-06-01), Gabbrielli et al.
patent: 4039068 (1977-08-01), Giorza et al.
patent: 5172990 (1992-12-01), Weng
patent: 5290115 (1994-03-01), Little
patent: 5494363 (1996-02-01), Hochgesang
patent: 5508479 (1996-04-01), Schooley
patent: 5525979 (1996-06-01), Engle et al.
patent: 5595449 (1997-01-01), Vitkin
patent: 5612692 (1997-03-01), Dugas et al.

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