| 摘要 |
For precision-measuring the position or extent of a measurement object, use is made of a rotating beam (L), into the path of which the measurement object or a tongue 13 connected thereto is inserted, in addition to other obstacles 14; 15 belonging to the arrangement. The tongue and the obstacles result in an outgoing beam forming a pulse train which contains information by means of which the position or extent of the measurement object can be determined with an accuracy better than 1 μ. <IMAGE> |
