3813057

Information

• Patent Grant
• 3813057

• References
• Source

• Patent Number

  3,813,057

• Date Filed

  Not available

• Date Issued

  Tuesday, May 28, 1974
  50 years ago

• CPC

  • G11B15/32 - through the reels or cores on to which the record carrier is wound
  • G11B15/662 - Positioning or locking of spool or reel
  • G11B15/67513 - and movement of driving elements perpendicular thereto

• US Classifications

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