3793639

Information

• Patent Grant
• 3793639

• References
• Source

• Patent Number

  3,793,639

• Date Filed

  Not available

• Date Issued

  Tuesday, February 19, 1974
  50 years ago

• CPC

  • G11B5/4946 - for formation or displacement of magnetic domains
  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
  • G11B5/37 - using galvano-magnetic devices
  • H04N5/782 - on tape

• US Classifications

  • 360 - Dynamic magnetic information storage or retrieval
  • 365 - Static information storage and retrieval
  • 386 - Motion video signal processing for recording or reproducing
  • G9B - INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER