Reduced height keyboard structure for a notebook computer

Details Reduced height keyboard structure for a notebook computer Reduced height keyboard structure for a notebook computer

1995-10-10

1997-04-29

Phillips, Michael W.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

200344, 400490, 400682, G06F 116, H01H 312, B41J 1156, H05K 704

Patent

active

056255322

ABSTRACT:
A notebook computer is provided with a reduced height keyboard structure mounted on the top side of its base housing and including a horizontally oriented signal pad structure. Spaced apart separate key support and guide structures are individually supported on the top side of the signal pad structure beneath upwardly dished keys mounted thereon by scissored linkage mechanisms which permit the keys to be vertically moved through a stroke distance between upwardly extended and downwardly retracted positions. The keys are upwardly biased toward their extended positions by resilient key return dome members secured to the top side of the signal pad structure and extending upwardly through openings in the key support and guide structures. The keys and their associated key support and guide structures are relatively configured in a manner such that when a given key is downwardly moved to its retracted position its associated key support and guide structure is received in the upwardly dished interior of the key so that the bottom side edge periphery of the key is moved downwardly past the horizontal side edge periphery of the key support and guide structure and into close adjacency with the top side of the signal pad structure. This telescoping of the key support and guide structure and its associated key permits the vertical thickness of the keyboard to be reduced without reducing the key stroke distance.

REFERENCES:
patent: 5329084 (1994-07-01), Watanabe et al.
patent: 5399822 (1995-03-01), Sato et al.
patent: 5424516 (1995-06-01), Emmons
patent: 5466901 (1995-11-01), Mochizuki
patent: 5512719 (1996-04-01), Okada et al.

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