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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony CorpfiledCriticalSony Corp
Priority to JP50052985ApriorityCriticalpatent/JPS51128505A/en
Publication of JPS51128505ApublicationCriticalpatent/JPS51128505A/en
Publication of JPS561694B2publicationCriticalpatent/JPS561694B2/ja
PURPOSE: To enable recording and reproduction of No. 1 input signal of the signal of the student's voice, etc. and No. 2 input signal of the teacher's voice, etc. on A and B channels of a tape simultaneously or separately.