Vehicle guidance system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Sep 11, 2001
Grant Date -
N/A
app pub date -
Nov 9, 2000
filing date -
Nov 9, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for use in guiding a vehicle on a roadway along an elongated guide member emitting a magnetic field includes an upper sensor and a lower sensor connected to the vehicle. The lower sensor detects a magnetic field emitted by the elongated guide member and an ambient magnetic field. The upper sensor detects only the ambient magnetic field. The signals produced by the detectors are processed to subtract the signal from the upper sensor of that of the lower sensor to produce a steering signal for transmission to an automatic steering system on the vehicle.
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