3504135

Information

• Patent Grant
• 3504135

• References
• Source

• Patent Number

  3,504,135

• Date Filed

  Not available

• Date Issued

  Tuesday, March 31, 1970
  55 years ago

• CPC

  • G11B15/1883 - for record carriers inside containers
  • G11B15/32 - through the reels or cores on to which the record carrier is wound
  • G11B15/44 - Speed-changing arrangements Reversing arrangements Drive transfer means therefor
  • G11B15/6751 - with movement of the cassette parallel to its main side
  • G11B23/093 - the reels or cores being coaxial

• US Classifications

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