Keyless flat panel portable computer--computer aided notebook

Details Keyless flat panel portable computer--computer aided notebook Keyless flat panel portable computer--computer aided notebook

1989-10-06

1991-09-17

Oberley, Alvin E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

178 18, G09G 302

Patent

active

050498622

ABSTRACT:
A keyboardless portable computer simulates a foldable notepad and has a display which can be reoriented to the convenience of the user, carried in a self-protecting closed position and operated in any convenient open position. The computer has a first flat panel, a second flat panel and hinge means for joining the first panel to the second panel such that the first flat surface is juxtaposed to the second flat surface in a closed position and is disposed side by side in a common plane in one of a selection of open positions. The first flat surface comprises a first digitizer and the second flat surface comprises a second digitizer, and a stylus is provided which is connectable to at least one of the panels for interacting with at least one of the digitizers. One of the digitizers includes a flat panel display through which visual output is provided. Thus, registration of a written symbol on the surface of the panel produces a displayed symbol, preferably at the position of registration. The panels may be detachable at the hinge means, folded back to back to one another for compact usage and a second hinge on a digitizer panel permits a bound paper notebook to be interleaved with a thin digitizer.

REFERENCES:
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patent: 4517660 (1985-05-01), Fushimoto et al.
patent: 4571456 (1986-02-01), Paulsen et al.
patent: 4730186 (1988-03-01), Koga et al.
patent: 4752965 (1988-06-01), Dunkley et al.
Brochure of Linus Technologies, Inc. for Write-Top Specifications, undated.
Canon AI Note(book), Manual for IN-3000, 1988 (cover, pp. 1, 12, 13 & cover), in the Japanese language.
McCormick, John, "An Intelligent Clipboard", ID Systems (Sep. 1988), pp. 25-29.
Waters, Tom, "Back to Basics", Discover (Dec. 1988), pp. 26-27.
Brochure of Takenaka of Japan for T-board, undated, in the Japanese language.

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