Low profile keyboard

Details Low profile keyboard Low profile keyboard

1996-05-30

1998-09-22

Hofsass, Jeffery A.

Computer graphics processing and selective visual display system

Display peripheral interface input device

Including keyboard

345156, 345169, 341 20, 341 22, 400490, 4004911, G09G 500

Patent

active

058121161

ABSTRACT:
A low profile and light weight keyboard for portable electronic devices, such as notebook computers. In specific embodiments, the present invention provides a low profile keyboard 218 where the keycap engaging members 202 extend unobstructed below the back plate or circuit board 204. The travel of the key below the back plate may be eliminated from the overall stowed keyboard thickness by popping up the keyboard or otherwise extending the keyboard to a deployed position having sufficient thickness to accommodate the travel of the engaging members 212 below the base 204.

REFERENCES:
patent: 3707609 (1972-12-01), Dapot et al.
patent: 5215187 (1993-06-01), Ping-Chieng et al.
patent: 5386091 (1995-01-01), Clancy
patent: 5399824 (1995-03-01), Chen
patent: 5438177 (1995-08-01), Fagan
patent: 5534891 (1996-07-01), Takano
patent: 5684279 (1997-11-01), Burgett

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