3330904

Information

• Patent Grant
• 3330904

• References
• Source

• Patent Number

  3,330,904

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • H04N11/12 - using simultaneous signals only
  • G01J3/463 - Colour matching
  • G01J3/465 - taking into account the colour perception of the eye; using tristimulus detection

• US Classifications

  • 348 - Television
  • 222 - Dispensing
  • 356 - Optics: measuring and testing
  • 359 - Optical: systems and elements