Electricity: electrical systems and devices – Electrostatic capacitors – Fixed capacitor
Patent
1991-02-19
1992-04-07
Picard, Leo P.
Electricity: electrical systems and devices
Electrostatic capacitors
Fixed capacitor
361380, 248918, 16229, 16231, 364708, H05K 502, G06F 100, E05D 1550
Patent
active
051033763
ABSTRACT:
A computer including a keyboard portion and a display portion is interconnected in a manner which provides dual positions operational. In one position the keyboard portion may be horizontally positioned to facilitate the entry of data via the keyboard. In the other position, the display portion may be horizontally positioned to facilitate the entry of data or graphic designs via the interaction of a graphics pen over the display. Advantageously, the interconnection mechanism which provides the two positions maintains the readability of the display and the keyboard portions in either of the two positions.
REFERENCES:
patent: 1972575 (1934-09-01), Schmidt
patent: 2534998 (1950-12-01), Steinbach
patent: 3690035 (1972-09-01), Schindlauer
patent: 4178657 (1979-12-01), Way, Jr.
patent: 4532673 (1985-08-01), Kim
patent: 4589659 (1986-05-01), Yokoi et al.
patent: 4594750 (1986-06-01), Carcas
patent: 4697385 (1987-10-01), Zachariasen
patent: 4859092 (1989-08-01), Makita
AT&T Bell Laboratories
Padnes David R.
Phillips Michael W.
Picard Leo P.
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