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Digital book

  • US 10,078,345 B2
  • Filed: 02/07/2014
  • Issued: 09/18/2018
  • Est. Priority Date: 09/19/1997
  • Status: Expired due to Fees
First Claim
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1. A display device for displaying text or image information, comprising:

  • a casing comprising a first part and at least one second part, wherein said first part and said at least one second part are arranged such that said casing can be folded open and shut about a folding axis like a book, wherein a spine part is formed by said first part and said at least one second part by a slidable coupling of said first part and said at least one second part, wherein said slidable coupling mechanically and electrically couples said first part and said at least one second part, and wherein said spine part is adapted to accommodate a battery for current supply, anda display unit with at least one display, wherein said first part comprises said display unit,wherein said at least one second part comprises an input unit for inputting or manipulating data, and wherein said input unit comprises an alphanumeric keyboard.

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