Mobile computer with pen base/keyboard input modes

• US 5,224,060 A
• Filed: 07/29/1992
• Issued: 06/29/1993
• Est. Priority Date: 07/29/1992
• Status: Expired due to Fees

• Current Assignee: Hsi-Kuang Ma
• Original Assignee: Hsi-Kuang Ma
• Inventors: Ma, Hsi-Kuang
• Primary Examiner(s): Mai, Tan V.
• Application Number:
  US07/921,115
• Time in Patent Office: 335 Days
• Field of Search: 364/708, 364/705.03, 361/393
• US Class Current: 361/679.09
• CPC Class Codes: G06F 1/162 changing, e.g. reversing, the face orientation of the screen with a two degrees of freedom mechanism, e.g. for folding into tablet PC like position or orienting towards the direction opposite to the user to show to a second user

Abstract

A mobile computer includes a liquid display unit pivoted to a mainframe unit consisted of a keyboard, a floppy diskdrive, a hard diskdrive, a battery power supply and a mother board circuit assembly, wherein the liquid crystal display unit is consisted of a display board revolvably fastened inside a rectangular frame by stub tubes and has a penbase input circuit inserted through the stub tubes for connecting a penbase so that data entry can be made through a penbase as the display board is turned upside down on the rectangular frame.

Claims

1. A mobile computer comprising a liquid display unit pivoted to a mainframe unit consisted of a keyboard, a floppy diskdrive, a hard diskdrive, a battery power supply and a mother board circuit assembly, wherein said liquid crystal display unit is comprised of a display board revolvably fastened inside a frame by stub tubes, said display board having a penbase input circuit inserted through said stub tubes for connecting a penbase and being turned upside down on said frame for data entry by said penbase.

2. The mobile computer according to claim 1, wherein said frame has fasteners on an inner side on two opposite locations for fastening to respective fasteners on said keyboard as said liquid crystal display unit is closed on said keyboard.