3499703

Information

• Patent Grant
• 3499703

• References
• Source

• Patent Number

  3,499,703

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1970
  54 years ago

• CPC

  • H04N5/7425 - the modulator being a dielectric deformable layer controlled by an electron beam
  • G02B5/1828 - having means for producing variable diffraction
  • G02B5/23 - Photochromic filters
  • Y10S348/902 - Photochromic

• US Classifications

  • 359 - Optical: systems and elements
  • 348 - Television