发明名称 |
On-board warning apparatus and warning method |
摘要 |
An on-board warning apparatus of the invention includes an inattentive time measuring device that measures a duration of an inattentive state of a driver; a dozing time measuring device that measures a duration of a dozing state of the driver; a first warning output device that warns the driver when the measured inattentive time exceeds a first predetermined period of time Ta; and a second warning output device that warns the driver when the measured dozing time exceeds a second predetermined period of time Tb. The first predetermined time Ta is shorter than the second predetermined period of time Tb. |
申请公布号 |
US8184008(B2) |
申请公布日期 |
2012.05.22 |
申请号 |
US20070311555 |
申请日期 |
2007.10.10 |
申请人 |
UOZUMI SHIGEYASU;OHUE KENICHI;TOYOTA JIDOSHA KABUSHIKI KAISHA |
发明人 |
UOZUMI SHIGEYASU;OHUE KENICHI |
分类号 |
G08B23/00;B60W40/08;B60W50/08 |
主分类号 |
G08B23/00 |
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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