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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing CofiledCriticalMinnesota Mining and Manufacturing Co
Priority to ES0254978ApriorityCriticalpatent/ES254978A1/en
Publication of ES254978A1publicationCriticalpatent/ES254978A1/en
A method for magnetic recording on a magnetic material tape, said method including the operations of recording signals of frequencies in a higher band of signal frequencies in a range of signal frequencies on one side of said tape, using magnetic polarization of c.a. Of high frequency of optimum value for signal frequencies in said band and registers signals of frequencies in a lower band of signal frequencies in said range in the other side of said band, using magnetic polarization of high frequency ac of optimum value for frequencies of signal in said lower band of signal frequencies. (Machine-translation by Google Translate, not legally binding)
ES0254978A1960-01-141960-01-14A method and apparatus for magnetic recording on tape (Machine-translation by Google Translate, not legally binding)
ExpiredES254978A1
(en)