Antenna apparatus for use in automobiles
First Claim
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1. A radar apparatus comprising:
- a beam-sweep type anti-collision EHF radar mounted at least on a front of an automobile and having a beam scanning component configured to emit a beam within a predetermined angle range;
automobile position detection means for correctly detecting automobile position information by a composite high-precision positioning system of DGPS and dead reckoning navigation; and
means for automatically setting a target detection range by the automobile position information detected by the automobile position detection means and the beam scanning function of the anti-collision EHF radar.
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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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3 Claims
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1. A radar apparatus comprising:
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a beam-sweep type anti-collision EHF radar mounted at least on a front of an automobile and having a beam scanning component configured to emit a beam within a predetermined angle range;
automobile position detection means for correctly detecting automobile position information by a composite high-precision positioning system of DGPS and dead reckoning navigation; and
means for automatically setting a target detection range by the automobile position information detected by the automobile position detection means and the beam scanning function of the anti-collision EHF radar. - View Dependent Claims (2, 3)
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Specification