3646258

Information

• Patent Grant
• 3646258

• References
• Source

• Patent Number

  3,646,258

• Date Filed

  Not available

• Date Issued

  Tuesday, February 29, 1972
  52 years ago

• CPC

  • G11B27/28 - by using information signals recorded by the same method as the main recording
  • B07C3/18 - Devices or arrangements for indicating destination
  • G06K7/084 - sensing magnetic material by relative movement detecting flux changes without altering its magnetised state
  • G06K17/00 - Methods or arrangements for effecting co-operative working between equipments covered by two or more of the preceding main groups
  • G07C9/00087 - electronically
  • G11B15/683 - wherein the recorder or player is moved according to the location of a selected cassette
  • G11B15/6875 - wherein the recorder or player is moved towards a selected cassette in the magazine
  • G11B15/6895 - Automatic tape changing arrangements
  • G11B27/107 - of operating tapes
  • G11B2220/41 - Flat as opposed to hierarchical combination
  • G11B2220/90 - Tape-like record carriers

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 348 - Television
  • 352 - Optics: motion pictures
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER