Mobile unit detection system
First Claim
1. An information system for vehicles located on opposite lanes from each other for exchanging information between a first vehicle intending to make a turn crossing over the opposite lane and a second vehicle proceeding straight ahead on the opposite lane, comprising:
- means mountable to the first vehicle for transmitting a detection signal upon commencing preparation for the turn;
means mountable to the second vehicle for transmitting a response signal upon receiving said detection signal;
means mountable to the first vehicle for judging whether said response signal is received and notifying a driver of the first vehicle of the existence of the second vehicle;
means mountable to the first vehicle for transmitting an information execution signal to the second vehicle based on the judgment of the means for judging; and
means mountable to the second vehicle for informing a driver of the second vehicle of the existence of the first vehicle upon receipt of said information execution signal from the first vehicle.
1 Assignment
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Accused Products
Abstract
A mobile unit detection system or information system in which the existence of a car or other mobile unit which must be paid attention to can be detected only upon receiving a necessary signal. The mobile unit detection system or information system detects a mobile unit through communication between the car and the mobile unit. The car includes a device for judging the operating condition of the car and transmitting a detection signal based on the result. The mobile unit may transmit a response signal upon receiving the detection signal so that the car is able to detect the existence of the mobile unit.
14 Citations
17 Claims
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1. An information system for vehicles located on opposite lanes from each other for exchanging information between a first vehicle intending to make a turn crossing over the opposite lane and a second vehicle proceeding straight ahead on the opposite lane, comprising:
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means mountable to the first vehicle for transmitting a detection signal upon commencing preparation for the turn; means mountable to the second vehicle for transmitting a response signal upon receiving said detection signal; means mountable to the first vehicle for judging whether said response signal is received and notifying a driver of the first vehicle of the existence of the second vehicle; means mountable to the first vehicle for transmitting an information execution signal to the second vehicle based on the judgment of the means for judging; and means mountable to the second vehicle for informing a driver of the second vehicle of the existence of the first vehicle upon receipt of said information execution signal from the first vehicle. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A mobile unit detection system by which a vehicle can detect the existence of a mobile unit through communication between the vehicle and the mobile unit, comprising:
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judgment means mountable to the vehicle for judging an operating condition of the vehicle; means mountable to the vehicle for issuing a detection signal based on said operating condition judged by said judgment-means; means for issuing a response signal mountable to the mobile unit upon receiving said detection signal; and means mounted on the vehicle for detecting the existence of the mobile unit upon the receipt of said response signal. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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Specification