3824391

Information

• Patent Grant
• 3824391

• References
• Source

• Patent Number

  3,824,391

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • F23N5/082 - using electronic means
  • F23N5/08 - using light-sensitive elements
  • F23N2023/10 - Correlation
  • F23N2029/08 - detecting flame flicker
  • F23N2029/16 - using two or more of the same types of flame sensor

• US Classifications

  • 340 - Communications: electrical
  • 250 - Radiant energy