3612540

Information

• Patent Grant
• 3612540

• References
• Source

• Patent Number

  3,612,540

• Date Filed

  Not available

• Date Issued

  Tuesday, October 12, 1971
  53 years ago

• CPC

  • G11B15/1891 - the record carrier being endless
  • G11B15/6651 - to pull the record carrier against non rotating heads

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 226 - Advancing material of indeterminate length
  • 242 - Winding, tensioning, or guiding
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER