3902680

Information

• Patent Grant
• 3902680

• References
• Source

• Patent Number

  3,902,680

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • G11B15/67592 - inside the apparatus
  • G11B15/6651 - to pull the record carrier against non rotating heads

• US Classifications

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