Portable video book
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 1, 1995
Issued Date -
N/A
app pub date -
Apr 19, 1994
filing date -
Nov 5, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A portable video disc displays information on a screen, the source is a CD ROM disc contained within the unit in a removable cartridge. The device can accept several size discs, display text as well as graphics, and display information is several sizes. A memory circuit is continuously connected to a power source so as to retain information even when the unit is turned off. A rocker switch on the front of the unit allows the reader to go forward or back a page.
First Claim
Family
International Classification(s)
Cited Art Landscape
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