Distance measuring device
专利汇可以提供Distance measuring device专利检索，专利查询，专利分析的服务。并且PURPOSE:To simplify structure and to reduce it in size, and to shorten a distance measurement time by using the distance to an object automatically by using a material optical element which varies in refracting power with a control signal. CONSTITUTION:A distance measuring device includes the material optical element 3 which varies in refracting power with the control signal P, and consists of an optical image formation system A forming an image of the object 1, a signal generating circuit 5 which supplies the signal P to the element 3 and displaces the image formation position of the image of the object 1, a photodetecting means 4 which detect the image formation position coinciding with a specific position, and a circuit 7 which calculates the distance to the object 1 from the output of the circuit 5 when the image formation position reaches the specific position. Therefore, the optical element with variable refracting power is utilized effectively, the structure of the distance measuring device is simplified and reduced in size, and the time for distance measurement is shortened greatly.，下面是Distance measuring device专利的具体信息内容。
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