Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
  • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
  • H01J40/02—Details
  • H01J40/14—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
  • G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
  • G01T1/16—Measuring radiation intensity
  • G01T1/18—Measuring radiation intensity with counting-tube arrangements, e.g. with Geiger counters
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
  • G01T7/00—Details of radiation-measuring instruments
  • G01T7/12—Provision for actuation of an alarm
  • G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
  • G08B21/18—Status alarms
  • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold

Landscapes

• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• High Energy & Nuclear Physics (AREA)
• Molecular Biology (AREA)
• Spectroscopy & Molecular Physics (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Photometry And Measurement Of Optical Pulse Characteristics (AREA)
• Fire-Detection Mechanisms (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=7523509

Family Applications (1)

Country Status (4)

Families Citing this family (1)

• 1965
  • 1965-12-22 DE DE19651516532 patent/DE1516532A1/de active Pending
• 1966
  • 1966-12-16 CH CH1820966A patent/CH444965A/de unknown
  • 1966-12-22 NL NL6618020A patent/NL6618020A/xx unknown
  • 1966-12-22 GB GB5752166A patent/GB1166299A/en not_active Expired

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