METHOD AND SYSTEM FOR RECORDING AND PLAYING BACK INFORMATION

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...

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Main Authors HIDEKI HATANO, SAKASHI OTAKI, NORIKIYO TAJIRI, SHIGERU KATO
Format Patent
LanguageEnglish
Published 13.03.1985
Edition4
Subjects
INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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Abstract 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 recording medium during the application of a recording light beam so as to maintain the recording track of portions of the recording medium on which the previously recorded information is erased by the application of the recording light beam during editing operations.
AbstractList 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 recording medium during the application of a recording light beam so as to maintain the recording track of portions of the recording medium on which the previously recorded information is erased by the application of the recording light beam during editing operations.
Author SHIGERU KATO
SAKASHI OTAKI
HIDEKI HATANO
NORIKIYO TAJIRI
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Snippet 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...
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INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
Title METHOD AND SYSTEM FOR RECORDING AND PLAYING BACK INFORMATION
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