2282198

Information

• Patent Grant
• 2282198

• References
• Source

• Patent Number

  2,282,198

• Date Filed

  Not available

• Date Issued

  Tuesday, May 5, 1942
  82 years ago

• CPC

  • G05B11/017 - using photo-electric means
  • G01J1/1626 - Arrangements with two photodetectors, the signals of which are compared

• US Classifications

  • 250 - Radiant energy
  • 340 - Communications: electrical