Lane marker position sensor and alarm

Details Lane marker position sensor and alarm Lane marker position sensor and alarm

1997-05-05

1998-11-10

Wu, Daniel J.

Communications: electrical

Vehicle detectors

With camera

340901, 340436, 348118, 348169, 701301, G08G 1107

Patent

active

058350284

ABSTRACT:
A lane marker position sensor and alarm system for determining painted road lane markers and signaling when a vehicle has moved beyond a predetermined threshold distance with respect to lane marker. The system comprises an image sensor, a processor and an alarm. The processor uses contrast identification of the lane markers in real time, maps the position of the lane marker and compares the current mapped position with the most recent image data. The system of the present invention provides a low-cost, real-time solution of lane marker identification that can be retrofitted onto any vehicle.

REFERENCES:
patent: 4970509 (1990-11-01), Kissinger, Sr.
patent: 5245422 (1993-09-01), Borcherts et al.
patent: 5351044 (1994-09-01), Mathur et al.
patent: 5555312 (1996-09-01), Shima et al.
patent: 5612686 (1997-03-01), Takano et al.
patent: 5617085 (1997-04-01), Tsutsumi et al.
patent: 5642093 (1997-06-01), Kinoshita et al.
patent: 5661472 (1997-08-01), Koshizawa

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