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 JP2480077ApriorityCriticalpatent/JPS53110509A/en
Publication of JPS53110509ApublicationCriticalpatent/JPS53110509A/en
PURPOSE: To ensure a high-performance and stable electronic switching ing between the sound recording and reproducing, by giving a direct earth to an end of the recording and reproducing heads and using in common the sound recording current insertion point and the reproducing amplifier input terminal.