3812362

Information

• Patent Grant
• 3812362

• References
• Source

• Patent Number

  3,812,362

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • G01T7/125 - Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
  • G08B17/11 - using an ionisation chamber for detecting smoke or gas

• US Classifications

  • 250 - Radiant energy
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 340 - Communications: electrical