3806638

Information

• Patent Grant
• 3806638

• References
• Source

• Patent Number

  3,806,638

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  51 years ago

• CPC

  • H04N5/9204 - using frequency division multiplex
  • H04N5/775 - between a recording apparatus and a television receiver
  • H04N5/92 - Transformation of the television signal for recording
  • H04N5/921 - by recording or reproducing the baseband signal
  • H04N17/06 - for recorders

• US Classifications

  • 386 - Motion video signal processing for recording or reproducing
  • 455 - Telecommunications