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Electronic book having several keys for changing pages and underlining certain portions of text

  • US 5,239,665 A
  • Filed: 11/23/1992
  • Issued: 08/24/1993
  • Est. Priority Date: 03/30/1989
  • Status: Expired due to Fees
First Claim
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1. Apparatus for retrieving and displaying information contained in an electronic book, comprising:

  • memory means for storing the information as sentences composed of standard characters and extra characters, and as separate pages of the book, said memory means including electronic inner memory means for storing the standard characters and electronic exterior memory means for storing the extra characters;

    means for displaying the information stored in said memory means as a page of the book;

    first key means for displaying subsequent pages of the book stored in said memory means;

    second key means for returning the display to a preceding page of the book stored in said memory;

    third key means for indicating the display of each sentence displayed by said means for displaying, such that access is permitted to a desired page of the book store din said memory means and such that the pages of the book can be displayed in sequence;

    timer means for automatically displaying subsequent pages of the book at a predetermined length of time;

    fourth key means for positioning a cursor at a selected position on the displayed page;

    fifth key means to locate said selected position; and

    sixth key means for underlining a part of the displayed page from said selected position to a desired ending position, with the underlining drawn being stored in said memory means.

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