3781701

Information

• Patent Grant
• 3781701

• References
• Source

• Patent Number

  3,781,701

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  50 years ago

• CPC

  • H04N9/643 - Hue control means
  • H04N9/71 - combined with colour gain control

• US Classifications

  • 330 - Amplifiers
  • 348 - Television