Audio message transfer sheet and manufacturing method thereof, and power supply circuit
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United States of America Patent
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Nov 23, 2010
Grant Date -
Jan 25, 2007
app pub date -
Aug 30, 2004
filing date -
Aug 28, 2003
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Sheet-like audio information recording/reproducing means capable of recording/reproducing audio information is sandwiched between two support sheets from front and back only in part of the area thereof and these two support sheets are further sandwiched between two surface sheets and the support sheets and surface sheets are bonded together.
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