Antenna apparatus for use in automobiles
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 2, 2002
Grant Date -
Oct 25, 2001
app pub date -
May 21, 2001
filing date -
Nov 19, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An automobile antenna apparatus according to the present invention includes an antenna control section for electronically and variably controlling (beam-steering or beam-scanning) an emitting-beam pattern of each of antennas mounted on an automobile, based on high-precision positional information of the automobile, to optimize a function of using an electric wave for vehicle (for broadcast wave reception, mobile communications, positioning, obstruction detection and the like).
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