Off-line response card and arrangement for enquiring a response from the response card
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United States of America Patent
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Apr 16, 2013
Issued Date -
N/A
app pub date -
Dec 30, 2008
filing date -
Dec 31, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An off-line response card having a plurality of sensors is provided with a replaceable cover, where the cover is provided with a plurality of questions and choices for questions. The choices are arranged into the cover so that each choice corresponds to one sensor in the response card when the cover is placed on the response card. The sensor is adapted to sense whether the choice in the cover is influenced (selected) and output identifying information of said sensor as a result of the influence.
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