NAVIGATOR METER
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专利名称：NAVIGATOR METER 申请号：JP136678
申请日：19780110
公开号：JPS54105562U
公开日：
19790725
专利内容由知识产权出版社提供
摘要：PURPOSE:To digitize respectively a detecting time from the detecting distance of distance sensor and standard time generating unit with configuration allowing to create an alarm signal when the deviation exceeds a certain value by comparing the digitized value with set value. CONSTITUTION:A signal of distance sensor 10, clock 12 enter into the first and the second counters 14 and 16. A signal of start and stop circuit 22 enters into the first and the second counters. The output of the first and the second counters is applied to the divider 18 transmitting the average car speed V into the indicating control unit 30. The multiplier 24 generates a predetermined running distance, generating the tavelling error distance with the subtractor 26. A signal of the error set unit 36 is compared to the absolute value 1 V1 of the travelling error signal with the comparator 38 where alarm 40 is actuating when generating the deviation more than a set value.
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