2839645

Information

• Patent Grant
• 2839645

• References
• Source

• Patent Number

  2,839,645

• Date Filed

  Not available

• Date Issued

  Tuesday, June 17, 1958
  66 years ago

• CPC

  • G01J5/54 - Optical features
  • F23N5/08 - using light-sensitive elements
  • G01J5/24 - Use of a specially-adapted circuit
  • H01L31/08 - in which radiation controls flow of current through the device

• US Classifications

  • 338 - Electrical resistors
  • 136 - Batteries: thermoelectric and photoelectric