3472949

Information

• Patent Grant
• 3472949

• References
• Source

• Patent Number

  3,472,949

• Date Filed

  Not available

• Date Issued

  Tuesday, October 14, 1969
  55 years ago

• CPC

  • H04N5/80 - using electrostatic recording
  • G11B5/00847 - on transverse tracks
  • G11B5/4907 - Details for scanning
  • G11B9/02 - using ferroelectric record carriers Record carriers therefor
  • G11B9/10 - using electron beam Record carriers therefor
  • G11B11/08 - using recording by electric charge or by variation of electric resistance or capacitance
  • H04N5/76 - Television signal recording
  • H04N5/7805 - Recording or playback not using inductive heads
  • H04N5/782 - on tape
  • H04N5/843 - on film

• US Classifications

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