发明授权
US5402108A Driver alerting system 失效
驱动程序警报系统

Driver alerting system
摘要:
A driver alerting device plugs into a vehicle cigarette lighter and, after actuation of a reset button, triggers a flashing red warning light after a random time period. If the driver does not actuate the reset button within a predetermined time after the light begins flashing, a horn will beep.
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