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Direction detection apparatus
| Details |
Inventors: Harumatsu, Masatoshi; Fuse, Masashi; Tomoyori, Makoto; Tsushima, Noboru;
Assignee: Alps Electric Co. Ltd. (JP)
Primary Examiner: Chin; Gary
Assistant Examiner:
Attorney, Agent or Firm: Shoup; Guy W.
In a moving object, such as automobile, having a steering gear which determines a traveling course, and a traveling distance detector which detects a traveling distance; a direction detection apparatus comprising a steering position detector detecting an amount of displacement of the steering gear, and an arithmetic unit which calculates a traveling direction of the moving object from a steering position signal proportional to the amount of displacement and a traveling distance signal proportional to the traveling distance, thereby to detect the traveling direction of the moving object. The apparatus can detect the traveling direction without being affected by a magnetic deviation, an abnormal magnetic field, etc. |
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DETAILED DESCRIPTION The present invention has for its object to eliminate the disadvantages described above, and to provide a direction detection apparatus which detects the direction of a moving vehicle on the basis of a steering angle and a traveling distance, which has a small-sized, inexpensive and simple structure suitable for installation on the moving vehicle such as automobile and which can detect the traveling direction without being influenced by a magnetic deviation, an abnormal magnetic field, etc.
In one aspect of the present invention, there is provided a direction detection apparatus for a moving vehicle having a steering gear which determines a traveling course, and a traveling distance detector which measures a traveling distance; characterized by comprising a steering position detector which detects an amount of displacement of said steering gear of said moving vehicle, and an arithmetic unit which calculates a traveling direction of said moving object from a steering position signal proportional to said amount of displacement detected by said steering position detector and a traveling distance signal proportional to said traveling distance detected by said traveling distance detector, thereby to detect said traveling direction of said moving object.
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