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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Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yokogawa Hokushin Electric Corp, Yokogawa Electric Works LtdfiledCriticalYokogawa Hokushin Electric Corp
Priority to JP4864677ApriorityCriticalpatent/JPS53133474A/en
Publication of JPS53133474ApublicationCriticalpatent/JPS53133474A/en
PURPOSE: To increase the response speed and to enhance the precision and resolving power by measuring the time of a period of rotational period to be measured and calculating the rotational speed digitally from the measurement.