Personal positioning satellite navigator with printed quadrifilar helical antenna
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 30, 1993
Grant Date -
N/A
app pub date -
Sep 26, 1990
filing date -
Sep 26, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A navigation unit (10) for receiving navigation signals from a source thereof such as global positioning satellites is configured to rack mount and connect with a remote fixed antenna and for detached, self-powered operation using a directly mounted helical antenna (14). The preferred antenna (14) includes antenna elements composed of a thin film of conductive material (50) printed on a flexible dielectric substrate (44) rolled into a tubular configuration.
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Family
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Cited Art Landscape
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