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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co 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 Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP14122876ApriorityCriticalpatent/JPS5366254A/en
Publication of JPS5366254ApublicationCriticalpatent/JPS5366254A/en
PURPOSE: To perform screening having two or more testing points for one test object with a simple constitution by controlling the opening and closing of the shutter for feeding in of the test objects with the AND of a timer signal and a test object presence or absence signal.