Cutoff transmission and or reception antenna
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Mar 9, 2006
app pub date -
Oct 11, 2001
filing date -
Oct 11, 2000
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
An electromagnetic wave transmission and/or reception antenna (10) which includes a flat spiral wire, the spiral having at least two turns; the antenna including at least one cut (12) for the purpose of reducing the inter-turn capacitance. Such an antenna is used in a contactless communication system in which the reader transmits electromagnetic signals to a portable object (card or ticket) in order to identify the holder of the portable object when the latter transmits return identification signals to the reader.
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Family
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Cited Art Landscape
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