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.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP2214176ApriorityCriticalpatent/JPS52105875A/en
Publication of JPS52105875ApublicationCriticalpatent/JPS52105875A/en
PURPOSE: To improve the probability of detection of malfunction by making possible the checking operation by the use of more than three kinds of pulses.
COPYRIGHT: (C)1977,JPO&Japio
JP2214176A1976-03-031976-03-03Count checking system
PendingJPS52105875A
(en)