Lane change alarm for use in a highway vehicle

Details Lane change alarm for use in a highway vehicle Lane change alarm for use in a highway vehicle

1998-11-05

2000-08-22

Swarthout, Brent A.

Communications: electrical

External condition vehicle-mounted indicator or alarm

340439, 340905, 340988, 701205, G08G 100

Patent

active

061079391

ABSTRACT:
A lane change alarm using data for a highway track. A highway track database provides geographical location points for a track of a highway lane. A differential global positioning system (DGPS) receiver provides a vehicle location. A longitudinal track matching code matches the vehicle location against a track location and provides a longitudinal direction and a transverse distance to an alarm gate. The alarm gate indicates an alarm condition unless a lane change signaler is operated for indicating that the lane change is intentional. The highway track database is created using a similar DGPS receiver by determining and recording highway track location points for a selected highway lane while driving on the highway lane.

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patent: 5877707 (1999-03-01), Kowalick
GPS World magazine, pp. 44-50, "Between the Lines: A Driver-Assistive Technology for Staying in the Lane" by Vassilios, Morris, Alexander, and Donath, May 1998, published by Advanstar Communications of Duluth, Minnesota.

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