Lap-supportable remote infrared computer keyboard

Details Lap-supportable remote infrared computer keyboard Lap-supportable remote infrared computer keyboard

1997-03-31

1998-10-20

Phillips, Michael W.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

D14115, 400715, 400472, 345168, G06F 116

Patent

active

058256121

ABSTRACT:
The elongated body portion of a lap-supportable remote infrared computer keyboard is contoured on its bottom side, by means of a spaced pair of arcuately shaped, generally parallel recesses that extend between front and rear sides of the body, to conform to upper side portions of a seated user's thighs. Positioned in the recesses are spaced series of elongated outwardly projecting parallel ribs which longitudinally extend transversely to the lengths of the recesses and serve to frictionally inhibit front-to-rear shifting of the lap-supported keyboard along the user's thighs. The key member portions of the keyboard are positioned on the top side of the body between left and right end portions thereof. On the top side of one of these end portions is a pointing device, representatively a track ball, and on the top side of the other end portion are a pair of selection buttons. This end-to-end separation of the pointing device and selection buttons permits the user to operate them while holding an end of the keyboard body in each hand, thereby substantially preventing the use of either the track ball or the selection buttons from tending to tip the keyboard either leftwardly or rightwardly on the user's lap.

REFERENCES:
patent: D346796 (1994-05-01), Pangburn
patent: D371774 (1996-07-01), Wang
patent: 5029260 (1991-07-01), Rollason
patent: 5143341 (1992-09-01), Juster
patent: 5307297 (1994-04-01), Iguchi et al.
patent: 5404267 (1995-04-01), Silva et al.
patent: 5675360 (1997-10-01), Takegoshi et al.

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