3840307

Information

• Patent Grant
• 3840307

• References
• Source

• Patent Number

  3,840,307

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • H04N9/077 - whereby the colour signals are characterised by their phase
  • H01J29/89 - Optical or photographic arrangements structurally combined or co-operating with the vessel
  • H01J31/46 - Tubes in which electrical output represents both intensity and colour of image

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices