Collapsible keyboard structure for a notebook computer, responsi

Details Collapsible keyboard structure for a notebook computer, responsi Collapsible keyboard structure for a notebook computer, responsi

1994-06-30

1996-07-02

Phillips, Michael W.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

400490, 400682, 200344, 200345, G06F 116, B41J 1156, H05K 704, H01H 1302

Patent

active

055329047

ABSTRACT:
A notebook computer is provided with a collapsible keyboard structure having keys supported on scissored linkage arm assemblies in which, in response to closing of the computer housing lid, key return spring portions of the keyboard are shifted away from their normal underlying relationships with the keys, and the scissored linkage arm assemblies and keys are forcibly retracted to a storage/transport orientation in which the overall thickness of the keyboard structure is reduced by an amount essentially equal to the stroke distance of the keys. When the lid is subsequently opened, the key return spring portions are shifted back to their normal underlying relationships with the keys, and the keys and scissored linkage arm assemblies are forced outwardly by the return spring portions to their extended, operative orientations above the return spring portions.

REFERENCES:
patent: 5141343 (1992-08-01), Roylanle et al.
patent: 5268545 (1993-12-01), Bruner
patent: 5329084 (1994-07-01), Watanabe et al.
patent: 5382762 (1995-01-01), Mochizuki
patent: 5424516 (1995-06-01), Emmons
patent: 5463195 (1995-10-01), Watanabe et al.
patent: 5466901 (1995-11-01), Mochizuki

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