METHOD AND SYSTEM FOR RECORDING AND PLAYING BACK INFORMATION

• Main Authors: HIDEKI HATANO, SAKASHI OTAKI, NORIKIYO TAJIRI, SHIGERU KATO
• Format: Patent
• Language: English
• Published: 13.03.1985
• Edition: 4
• Subjects: INFORMATION STORAGE; INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER; PHYSICS

Disclosed is a method and system for recording and playing back information utilizing a recording medium having a vertical magnetization film on and from which the information is recorded and read out by an optical means, characterized by changing the direction of the magnetic field applied on the r...