Patent · US Expired

Portable computer comprising keyboard and coordinate input tablet connected by two perpendicularly arranged hinges

US5410447A · kind A · utility

76Cited by
11References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 31, 1993
Grant dateApr 25, 1995
Priority date
Expiry dateAug 31, 2013

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2200/1614
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.