Method and apparatus for automatically canceling turn signals of vehicles
First Claim
1. A method for automatically canceling turn signals of a vehicle, comprising the steps of:
- deciding whether bearing and inclination of the vehicle satisfy prescribed conditions after the turn signals are operated; and
automatically canceling the turn signals when the bearing and inclination of the vehicle satisfy the prescribed conditions.
1 Assignment
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Accused Products
Abstract
An automatic turn signal canceller of this invention is constituted using a geomagnetic sensor for detection of axial components of the geomagnetism (or magnetic field) and a conversion table storing relationships between bearings, inclinations, and outputs of the geomagnetic sensor, which are measured in advance. After the operator (or driver) of a motorcycle operates turn signals to indicate leftward or rightward turning of the traveling direction, the operator turns the traveling direction while inclining (or banking) the motorcycle. In this case, when the bearing of the motorcycle is varied by a prescribed angle (e.g., 20°) or more after the operator operates the turn signals, and then, the inclination of the motorcycle is restored to the normal position substantially perpendicular to the horizontal plane because the operator completely finishes turning the motorcycle, the turn signals are automatically canceled.
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Citations
10 Claims
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1. A method for automatically canceling turn signals of a vehicle, comprising the steps of:
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deciding whether bearing and inclination of the vehicle satisfy prescribed conditions after the turn signals are operated; and
automatically canceling the turn signals when the bearing and inclination of the vehicle satisfy the prescribed conditions. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An automatic turn signal canceller for a vehicle, comprising:
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a geomagnetic sensor for detecting geomagnetism in terms of an orthogonal coordinate system constructed by different axes;
a storage for storing a conversion table whose content represents relationships between bearings, inclinations, and axial outputs of the geomagnetic sensor, which are measured in advance at prescribed terrestrial locations; and
a controller for controlling turn signals of the vehicle to be automatically cancelled when the bearing and inclination of the vehicle satisfy prescribed conditions after the turn signals are operated. - View Dependent Claims (8, 9, 10)
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Specification