| 摘要 |
The outside mirror of a motor vehicle is provided with a wiper blade reciprocating on the mirror surface, as well as a liquid spraying means. An LED/photocell unit automatically senses the degree of soiling of the mirror and initiates a wiping cycle when a predetermined light limit is not reached. Irrespective of the degree of soiling, a cleaning operation is initiated after the engine has been started or stopped. The outside mirror is always in a perfect condition in which it offers good visibility to a driver. This considerably increases the road safety of an automotive vehicle.
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