Classifications

• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B17/00—Fire alarms; Alarms responsive to explosion
  • G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
  • G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
  • G08B17/113—Constructional details
• • G—PHYSICS
  • G01—MEASURING; TESTING
  • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
  • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
  • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
  • G01N27/64—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
  • G01N27/66—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage

Landscapes

• Chemical & Material Sciences (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Analytical Chemistry (AREA)
• Biochemistry (AREA)
• Life Sciences & Earth Sciences (AREA)
• Electrochemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Health & Medical Sciences (AREA)
• Toxicology (AREA)
• Immunology (AREA)
• Pathology (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Fire-Detection Mechanisms (AREA)
• Elimination Of Static Electricity (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=13086634

Family Applications (1)

Country Status (6)

Families Citing this family (5)

Family Cites Families (3)

• 1969
  • 1969-06-03 GB GB28085/69A patent/GB1277091A/en not_active Expired
  • 1969-06-05 US US830817A patent/US3662177A/en not_active Expired - Lifetime
  • 1969-06-30 BE BE735386D patent/BE735386A/xx unknown
  • 1969-07-03 NL NL6910256A patent/NL6910256A/xx unknown
  • 1969-07-04 DE DE19691933938 patent/DE1933938B2/de not_active Withdrawn
  • 1969-07-11 CH CH1067369A patent/CH512121A/de not_active IP Right Cessation

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