3413066

Information

• Patent Grant
• 3413066

• References
• Source

• Patent Number

  3,413,066

• Date Filed

  Not available

• Date Issued

  Tuesday, November 26, 1968
  56 years ago

• CPC

  • G01J1/4214 - specially adapted for view-taking apparatus
  • G01J1/12 - using wholly visual means
  • G01J1/124 - based on the comparison of the intensity of measured light with a comparison source or comparison illuminated surface

• US Classifications

  • 356 - Optics: measuring and testing