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Portable computer

  • US 4,497,036 A
  • Filed: 04/12/1983
  • Issued: 01/29/1985
  • Est. Priority Date: 04/12/1983
  • Status: Expired due to Fees
First Claim
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1. A computer, comprising:

  • a central processing unit;

    a keyboard coupled to said central processing unit and including a plurality of entry keys for entering a full alphabet and ten digits;

    a display arrangement coupled to said central processing unit and including a liquid crystal display;

    a case having a base with an upper surface and an edge, and a cover hinged to said base at the edge and having an inner surface facing said base when closed and exposed to a viewer when opened;

    said base housing said central processing unit and said keyboard and exposing said keyboard for operation by a user when the cover is open and said cover housing said display and exposing said display on the inner surface when open and covering the entire upper surface when said case having an opening for forming a cartridge receiving chamber and having a connector connectable to circuitry in a cartridge and connected to said central processing unit.

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