3648179

Information

• Patent Grant
• 3648179

• References
• Source

• Patent Number

  3,648,179

• Date Filed

  Not available

• Date Issued

  Tuesday, March 7, 1972
  52 years ago

• CPC

  • H03G3/06 - having discharge tubes
  • H04N5/445 - for displaying additional information
  • H04N9/641 - Multi-purpose receivers
  • H04N9/71 - combined with colour gain control
  • H04N9/73 - colour balance circuits

• US Classifications

  • 348 - Television
  • 455 - Telecommunications