Contactlessly operating electronic responder card
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 27, 1995
Grant Date -
N/A
app pub date -
May 11, 1993
filing date -
May 11, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A contactlessly operating electronic responder card comprises an electronic circuit incorporated into the card and an antenna coil incorporated into the card. According to the invention, the antenna coil is made from thin insulated wire which is wound in a winding space formed by a very thin flexible coil bobbin, whilst the coil bobbin further comprises a chamber into which the electronic circuit has been incorporated and the antenna coil and the electronic circuit are covered by finishing material.
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