Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Hitachi Ltd
Original Assignee
Hitachi Ltd
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Publication date
Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP4146277ApriorityCriticalpatent/JPS53127757A/en
Publication of JPS53127757ApublicationCriticalpatent/JPS53127757A/en
Indication And Recording Devices For Special Purposes And Tariff Metering Devices
(AREA)
Abstract
PURPOSE: To perform the calibration of a device measuring distances by the diameter and number of revolutions of a revolving body accurately and easily by determining the equivalent diameter of the revolving body by the number of revolutions of the revolving body during constant distance traveling.
COPYRIGHT: (C)1978,JPO&Japio
JP4146277A1977-04-131977-04-13Calibration system
PendingJPS53127757A
(en)