JPS6213219Y2 - - Google Patents

Info

Publication number

JPS6213219Y2

JPS6213219Y2 JP9600979U JP9600979U JPS6213219Y2 JP S6213219 Y2 JPS6213219 Y2 JP S6213219Y2 JP 9600979 U JP9600979 U JP 9600979U JP 9600979 U JP9600979 U JP 9600979U JP S6213219 Y2 JPS6213219 Y2 JP S6213219Y2

Authority

JP

Japan

Prior art keywords

drum

magnetic

magnet

head

output signal

Prior art date

1979-07-11

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.)

Expired

Links

• Espacenet
• Global Dossier
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• 230000007423 decrease Effects 0.000 claims description 3
• 230000003247 decreasing effect Effects 0.000 description 3
• 238000001514 detection method Methods 0.000 description 3
• 238000010586 diagram Methods 0.000 description 3
• 230000005415 magnetization Effects 0.000 description 3
• 229910000838 Al alloy Inorganic materials 0.000 description 1
• 239000000853 adhesive Substances 0.000 description 1
• 230000001070 adhesive effect Effects 0.000 description 1
• 230000005347 demagnetization Effects 0.000 description 1
• 230000004907 flux Effects 0.000 description 1
• 239000000463 material Substances 0.000 description 1
• AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1