2904697

Information

• Patent Grant
• 2904697

• References
• Source

• Patent Number

  2,904,697

• Date Filed

  Not available

• Date Issued

  Tuesday, September 15, 1959
  65 years ago

• CPC

  • H01L31/16 - the semiconductor device sensitive to radiation being controlled by the light source or sources
  • C09K11/883 - with zinc or cadmium
  • H03F17/00 - Amplifiers using electroluminescent element or photocell
  • H04B10/00 - Transmission systems employing electromagnetic waves other than radio-waves
  • H05B33/12 - Light sources with substantially two-dimensional radiating surfaces

• US Classifications

  • 330 - Amplifiers
  • 250 - Radiant energy
  • 257 - Active solid-state devices