Alarm device for vehicle
First Claim
1. An alarm device for a vehicle, comprising:
- a distance measuring sensor for detecting a distance between an object in a slanting rear direction of a vehicle and said vehicle;
a lane changing detection part for detecting said vehicle'"'"'s driver'"'"'s indication of his or her intention to make a lane change;
an alarm object determination part for determining whether an object detected by said distance measuring sensor is an alarm object; and
an alarm generation part for generating an alarm to said driver based on said distance detected by said distance measuring sensor, a determination result by said alarm object determination part, and a detection result by said lane changing detection part, whereinsaid alarm object determination part determines whether a certain object is an alarm object based on a chance with time in said distance to said certain object that has been detected continuously by said distance measuring sensor, and detection duration of said certain object by said distance measuring sensor.
1 Assignment
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Accused Products
Abstract
An alarm device according to the present invention includes a distance measuring sensor for detecting an object in a slanting rear direction of a vehicle and a distance to the object from the vehicle, a direction indicator switch, an alarming object determination part for determining whether the object detected by the distance measuring sensor is an alarming object, and an alarm generation part for generating an alarm to the driver based on the determination result at the alarming object determination part, and so on. The alarming object determination part determines whether the object is an alarming object based on a change with time in the distance between the object detected by the distance measuring sensor and the vehicle, and detection duration of the object by the distance measuring sensor.
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Citations
9 Claims
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1. An alarm device for a vehicle, comprising:
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a distance measuring sensor for detecting a distance between an object in a slanting rear direction of a vehicle and said vehicle; a lane changing detection part for detecting said vehicle'"'"'s driver'"'"'s indication of his or her intention to make a lane change; an alarm object determination part for determining whether an object detected by said distance measuring sensor is an alarm object; and an alarm generation part for generating an alarm to said driver based on said distance detected by said distance measuring sensor, a determination result by said alarm object determination part, and a detection result by said lane changing detection part, wherein said alarm object determination part determines whether a certain object is an alarm object based on a chance with time in said distance to said certain object that has been detected continuously by said distance measuring sensor, and detection duration of said certain object by said distance measuring sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification