Printed Article
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United States of America Patent
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N/A
Issued Date -
Jun 16, 2011
app pub date -
Apr 9, 2009
filing date -
Apr 15, 2008
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A printed article, such as a greeting card, comprises a substrate formed of card, a sensor for detecting exhaled breath directed at the substrate, the sensor comprising first and second spaced electrodes supported on the substrate, at least one transducer for supplying a user-perceivable signal, such as light emitting diodes, and a switching circuit for causing the at least one transducer to supply the signal in response to detection of exhaled breath.
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