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System for inputting, processing and transmitting information and data

  • US 5,189,287 A
  • Filed: 03/06/1991
  • Issued: 02/23/1993
  • Est. Priority Date: 06/23/1989
  • Status: Expired due to Term
First Claim
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1. A system for inputting, processing and transmitting information nd data, said system comprising:

  • a plurality of memory cards, each of said memory cards comprising permanent memory means for storing permanent data and information, and removable memory means, detachably attached to said memory card, for storing temporary data and information;

    a plurality of portable casings, each of said casings comprising a card slot for selectively receiving one of said memory boards, communication means for selectively transmitting and receiving data and information optically or acoustically, and a keyboard for manually inputting information; and

    a plurality of specialized terminals capable of optically transmitting and receiving data and information with said communication means for said casings whereby said communication means communicates the data and information stored in said memory cards.

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