3746421

Information

• Patent Grant
• 3746421

• References
• Source

• Patent Number

  3,746,421

• Date Filed

  Not available

• Date Issued

  Tuesday, July 17, 1973
  51 years ago

• CPC

  • H04N3/06 - having a moving lens or other refractor
  • G02B26/0875 - by means of one or more refracting elements
  • G03B17/17 - with reflectors arranged in beam forming the photographic image
  • G03B19/18 - Motion-picture cameras

• US Classifications

  • 359 - Optical: systems and elements
  • 250 - Radiant energy
  • 348 - Television
  • 356 - Optics: measuring and testing