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1. 发明授权

US6097311A Warning device for distance between cars 失效
标题翻译：汽车之间距离警告装置
公开(公告)号：US6097311A
公开(公告)日：2000-08-01
申请号：US51808
申请日：1998-06-22
申请人： Mitsuru Iwasaki , Yasuhisa Nakahara , Takuya Yanaka
发明人： Mitsuru Iwasaki , Yasuhisa Nakahara , Takuya Yanaka
IPC分类号： B60Q1/52 , B60R21/00 , G01S13/93 , G01S17/93 , G08G1/16
CPC分类号： G01S17/936 , B60Q9/008 , G01S13/931 , G01S2013/9325 , G01S2013/9353 , G01S2013/9357
摘要： A warning device for a distance between cars, for measuring a distance between a car and an object in front of the car, judging the possibility of danger on the basis of distance data thus obtained, and generating an alarm in the case where it is judged to be dangerous. The warning device provides a first alarm (a rear-end collision alarm) generated in a condition of alert which necessitates deceleration or braking, and a second alarm (an alarm for a distance between cars) generated in a condition of alert which does not necessitate deceleration nor braking, the first and second alarms, respectively, being judged by separate formulae for determining. Accordingly, it is possible to positively generate an alarm when deceleration or braking is necessitated. Further, the warning device discriminates a kind of an object being measured (a moving body, obstruction, guardrail or the like) to judge danger according to the kind of the discriminated object. Accordingly, it is possible to improve reliability of an alarm and, in particular, to reduce incorrect alarms such as by a guardrail.
摘要翻译： PCT No.PCT / JP95 / 02124 Sec。 371日期：1998年6月22日 102（e）日期1998年6月22日PCT提交1995年10月17日PCT公布。公开号WO97 / 14584 日期1997年4月24日为车辆之间的距离的警告装置，用于测量轿厢和汽车前方的物体之间的距离，根据所获得的距离数据判断危险的可能性，并在判断为危险的情况。报警装置提供在需要减速或制动的警报状态下产生的第一报警（后端碰撞报警），以及在不需要警报的情况下产生的第二警报（汽车之间的距离的警报）减速也不制动，分别由分离的公式判断第一和第二报警。因此，当需要减速或制动时，可以积极地产生报警。此外，警告装置根据被识别对象的种类来判别被测量物体的种类（移动体，障碍物，护栏等）来判断危险。因此，可以提高报警的可靠性，特别是减少诸如护栏的不正确的报警。

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