3723647

Information

• Patent Grant
• 3723647

• References
• Source

• Patent Number

  3,723,647

• Date Filed

  Not available

• Date Issued

  Tuesday, March 27, 1973
  51 years ago

• CPC

  • H04N5/846 - the film moving intermittently
  • G03B31/02 - in which sound track is on a moving-picture film

• US Classifications

  • 386 - Motion video signal processing for recording or reproducing