发明名称 |
SYSTEM AND METHOD FOR DETECTING DRIVER DROWSINESS |
摘要 |
A drowsiness alarm system for a vehicle detects and signals that the vehicle driver is drowsy on the basis of the duration during which no steering adjustments are made and the magnitude and speed of abrupt steering adjustments immediately following the non-steering period. Parameters compared to the magnitude and speed of the abrupt steering adjustments in order to recognize steering behavior reflecting drowsiness are adjusted in accordance with the duration of the non-steering period. |
申请公布号 |
DE3464562(D1) |
申请公布日期 |
1987.08.13 |
申请号 |
DE19843464562 |
申请日期 |
1984.02.17 |
申请人 |
NISSAN MOTOR CO., LTD. |
发明人 |
SEKO, YASUTOSHI;IIZUKA, HARUHIKO;YANAGISHIMA, TAKAYUKI;OBARA, HIDEO |
分类号 |
G08B21/00;A61B5/18;B60K28/06;B60W30/00;G08B21/06;(IPC1-7):B60K28/00 |
主分类号 |
G08B21/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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