3715468

Information

• Patent Grant
• 3715468

• References
• Source

• Patent Number

  3,715,468

• Date Filed

  Not available

• Date Issued

  Tuesday, February 6, 1973
  52 years ago

• CPC

  • H04N9/7912 - the interfering signals being intermodulation signals
  • H04N5/92 - Transformation of the television signal for recording
  • H04N9/898 - using frequency multiplication of the reproduced colour signal carrier with another auxiliary reproduced signal

• US Classifications

  • 386 - Motion video signal processing for recording or reproducing