Portable computer comprising keyboard and coordinate input table

Electricity: electrical systems and devices – Housing or mounting assemblies with diverse electrical... – For electronic systems and devices

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H05K 716, G06F 116

Patent

active

054104475

ABSTRACT:
A main body case for storing a keyboard and an upper case for storing an integrated display/input device are coupled by two hinge units arranged perpendicularly to one another to be arbitrarily pivotal from a state wherein the keyboard faces the integrated display/input device to a state wherein the back surfaces of the keyboard and the integrated display/input device face each other.

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"Two-Sided Keyboard for a Data Terminal," IBM Technical Disclosure Bulletin, vol. 24, No. 1B, Jun. 1981, p. 714.

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