Electronic book system
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United States of America Patent
Stats
-
Sep 21, 1999
Grant Date -
N/A
app pub date -
Nov 10, 1997
filing date -
Nov 10, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electronic book system including a portable display unit and a mated downloading stand which receives the unit in a plug-in manner so that data and power ports of the unit matably connected with respective data and power connectors of the stand. Upon insertion, data is downloaded to a memory in the unit when a data signal is supplied through the data port. The display device has a tabular shaped housing with a display screen and control buttons applied to a front planar surface of the housing. The stand is modularly designed to be stacked adjacently with additional like stands in mated connection with each other for common data and power communication. A system for preventing unauthorized use of stored book data is also provided wherein each unit is assigned a unique electronic code value, and wherein the book data on a particular storage medium may be initially accessed by any coded unit, but wherein subsequent access by other units is denied.
First Claim
Family
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Cited Art Landscape
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