AUTOMATIC PARALLEL PARKING DEVICE
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United States of America Patent
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Issued Date -
Mar 31, 2011
app pub date -
Dec 24, 2009
filing date -
Sep 29, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An automatic parallel parking device includes an ultrasonic positioning module and a central controlling unit. The ultrasonic positioning module includes a plurality of ultrasonic sensor units disposed at different locations of the vehicle, and a computation unit. Each of the ultrasonic sensor units detects a distance to each of the first obstacle and the second obstacle. The computation unit has a pre-established space positioning matrix and pre-established approximate coordinate data, and estimates a first actual coordinate position of the first obstacle and a second actual coordinate position of the second obstacle based on the distances detected by the ultrasonic sensor units. The central controlling unit is coupled to the ultrasonic positioning module. The central controlling unit has a pre-established parking path algorithm and a pre-established minimal parking space.
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