3818500

Information

• Patent Grant
• 3818500

• References
• Source

• Patent Number

  3,818,500

• Date Filed

  Not available

• Date Issued

  Tuesday, June 18, 1974
  50 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
  • G06K7/08 - by means detecting the change of an electrostatic or magnetic field
  • 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
  • G06K17/0016 - Selecting or retrieving of images by means of their associated code-marks
  • G07C9/00087 - electronically
  • G11B5/55 - Track change, selection or acquisition by displacement of the head
  • 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
  • G11B25/04 - using flat record carriers
  • G11B27/02 - Editing
  • 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
  • 235 - Registers
  • 386 - Motion video signal processing for recording or reproducing
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER