Communications: electrical – External condition vehicle-mounted indicator or alarm – Transmitter in one vehicle only
Patent
1996-11-22
1999-09-21
Tong, Nina
Communications: electrical
External condition vehicle-mounted indicator or alarm
Transmitter in one vehicle only
340435, 340436, 340901, 340903, 342 70, 367909, 180169, 180271, 701300, 701301, 701 96, G08G 100
Patent
active
059559675
ABSTRACT:
A scan-type radar apparatus for a vehicle which determines whether an object detected by the radar exists in the lane in which the radar equipped vehicle is moving with a high accuracy while restricting an increase of the manufacturing cost of the radar apparatus. A scan-type radar detects objects existing in a detectable range, the scan-type radar apparatus assuming a vehicle moving lane area corresponding to a vehicle moving lane in which the vehicle is moving based on an operating condition of the vehicle, the vehicle moving lane area being assumed within the detectable range. An actual direction of each of the objects is detected by the scan-type radar with respect to the radar equipped vehicle. A delay direction is calculated when the actual direction detected by an object direction detecting arrangement is changed with respect to time, the delay direction indicating a direction of a virtual position of each object with respect to the vehicle by being provided with a predetermined time delay with respect to a change in the actual direction. It is determined whether each object exists within the vehicle moving lane based on the delay direction.
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Tong Nina
Toyota Jidosha & Kabushiki Kaisha
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