SYSTEM AND METHOD FOR AUTOMATICALLY CONTROLLING VEHICLE TURN SIGNAL SWITCHES
First Claim
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1. A method to automatically control vehicle turn signals;
- said vehicle equipped with a lane detection system;
said method comprising;
detecting a vehicle travel path;
determining whether said vehicle is deviating from said travel path;
determining whether to automatically activate a turn signal switch in said vehicle to indicate vehicle travel path deviation;
automatically activating said vehicle turn signal switch indicative of change of direction vehicle is traveling;
determining whether said vehicle has established a linear vehicle travel path after passage of a predetermined event; and
deactivating said vehicle turn signal after passage of a predetermined event after said vehicle has assumed a travel path.
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Abstract
A method and system to automatically control turn signals in a vehicle equipped with a lane detection system. The method includes the steps of detecting a vehicle travel path, determining whether the vehicle is deviating from the travel path, determining whether to automatically activate the turn signal indicative of the change of the vehicle travel path, determining whether the vehicle has established a linear travel path after the passage of a predetermined even and deactivating the turn signal after the passage of a predetermined even after the vehicle has assumed a travel path. The system includes an ECU, a lane warning system, and an automatic turn signal switch.
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Citations
6 Claims
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1. A method to automatically control vehicle turn signals;
- said vehicle equipped with a lane detection system;
said method comprising;detecting a vehicle travel path; determining whether said vehicle is deviating from said travel path; determining whether to automatically activate a turn signal switch in said vehicle to indicate vehicle travel path deviation; automatically activating said vehicle turn signal switch indicative of change of direction vehicle is traveling; determining whether said vehicle has established a linear vehicle travel path after passage of a predetermined event; and deactivating said vehicle turn signal after passage of a predetermined event after said vehicle has assumed a travel path. - View Dependent Claims (2, 3, 4)
- said vehicle equipped with a lane detection system;
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5. A system to automatically activate a vehicle turn signal, comprising:
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a lane warning system to sense whether a vehicle travel path is changing for a predetermined distance over a predetermined period of time; a turn signal switch in said vehicle adapted to be automatically activatable upon receipt of a signal from said lane detection warning system indicative of a change in said vehicle path of travel beyond a predetermined distance over a predetermined period of time. - View Dependent Claims (6)
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Specification