Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices
Patent
1996-03-04
1997-02-11
Phillips, Michael W.
Electricity: electrical systems and devices
Housing or mounting assemblies with diverse electrical...
For electronic systems and devices
400490, 400682, 200 5A, 200344, 200345, G06F 116, B41J 1156, H05K 704, H01H 1302
Patent
active
056027150
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 permitted to retract 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. A spaced series of elastomeric key return dome members is secured to a shift member which is slidably mounted on the top side of a multilayered signal pad structure.
REFERENCES:
patent: 5268545 (1993-12-01), Bruner
patent: 5463195 (1994-07-01), Watanabe et al.
patent: 5466901 (1995-11-01), Mochizuki
patent: 5532904 (1996-07-01), Sellers
Clancy Kevin F.
Lempicki Michael S.
Merkel Harold S.
Sellers Charles A.
Webb Matthew L.
Compaq Computer Corporation
Phillips Michael W.
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