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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Canon Inc
Original Assignee
Canon Inc
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Publication date
Application filed by Canon IncfiledCriticalCanon Inc
Priority to JP1913476ApriorityCriticalpatent/JPS52102649A/en
Publication of JPS52102649ApublicationCriticalpatent/JPS52102649A/en
PURPOSE: To alarm to an operator by means of buzzer, lamp or the like, to be theoretically impossible when the wrong dimension relating to numerical data is input in a time computer etc. by judging the dimension.