Interactive electrochemical displays
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United States of America Patent
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Sep 4, 2001
Grant Date -
N/A
app pub date -
Jul 1, 1999
filing date -
Jul 2, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Electrochemical displays have electronic or ionic pathways between electrodes interrupted to control activation. Electrochemical erosion of one of the electrodes reveals an underlying graphic image. Game assemblies are constructed by dividing electrochemical components between a main substrate and one or more mounting pieces that can be assembled on the main substrate to activate the display cells.
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