Automotive radar elevation alignment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 17, 2004
Grant Date -
May 15, 2003
app pub date -
Sep 30, 2002
filing date -
Feb 2, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method and an apparatus for aligning the elevation of an automotive radar unit. The method of aligning a radar transceiver unit (4) on a vehicle (1) having the steps of: positioning at least three radar reflectors (7, 8, 9) in a pattern in which the reflectors are fixed relative to one another with the reflectors occupying three rows (20, 21, 22) at different elevations and at least three different horizontal positions (23, 24, 25), so that the middle row (21) is horizontally distinguishable from the neighboring rows (20, 22); directing a beam (14) of radar waves (12) from the radar transceiver (4) generally towards the radar reflectors (7, 8, 9); scanning (18), and if necessary repeatedly scanning, the beam (14) relative to the pattern so that the beam moves across the pattern at one or more fixed elevations in a horizontal direction; receiving at the radar transceiver (4) radar waves reflected (17) from one or more of the reflectors (7, 8, 9); detecting the elevation of the middle row (21); setting the elevation of the beam (14) of radar waves according to the detected elevation of the middle row (21).
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