Classifications

• • 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
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR 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

Landscapes

• Chemical & Material Sciences (AREA)
• General Physics & Mathematics (AREA)
• Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• Analytical Chemistry (AREA)
• Emergency Management (AREA)
• Immunology (AREA)
• Electrochemistry (AREA)
• Biochemistry (AREA)
• Chemical Kinetics & Catalysis (AREA)
• General Health & Medical Sciences (AREA)
• Pathology (AREA)
• Life Sciences & Earth Sciences (AREA)
• Business, Economics & Management (AREA)
• Toxicology (AREA)
• Fire-Detection Mechanisms (AREA)
• Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
• Control Of Combustion (AREA)
• Fire Alarms (AREA)
• Sampling And Sample Adjustment (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=25568066

Family Applications (1)

Country Status (21)

Families Citing this family (5)

Family Cites Families (3)

• 1974
  • 1974-08-26 ZA ZA00745453A patent/ZA745453B/xx unknown
• 1975
  • 1975-08-19 IE IE1827/75A patent/IE41452B1/en unknown
  • 1975-08-19 GB GB34390/75A patent/GB1492193A/en not_active Expired
  • 1975-08-19 IN IN1615/CAL/75A patent/IN143233B/en unknown
  • 1975-08-20 AU AU84121/75A patent/AU501762B2/en not_active Expired
  • 1975-08-21 CH CH1087075A patent/CH600455A5/xx not_active IP Right Cessation
  • 1975-08-21 NL NL7509918A patent/NL167785C/xx not_active IP Right Cessation
  • 1975-08-23 DE DE2537598A patent/DE2537598C3/de not_active Expired
  • 1975-08-25 PH PH17497A patent/PH11514A/en unknown
  • 1975-08-25 LU LU73252A patent/LU73252A1/xx unknown
  • 1975-08-25 CA CA234,041A patent/CA1042088A/en not_active Expired
  • 1975-08-25 NO NO75752918A patent/NO138307C/no unknown
  • 1975-08-25 SU SU752167381A patent/SU703038A3/ru active
  • 1975-08-25 BR BR7505431*A patent/BR7505431A/pt unknown
  • 1975-08-25 IT IT26556/75A patent/IT1042015B/it active
  • 1975-08-26 FR FR7526259A patent/FR2283492A1/fr active Granted
  • 1975-08-26 DK DK384275AA patent/DK136793B/da unknown
  • 1975-08-26 JP JP10336475A patent/JPS5635236B2/ja not_active Expired
  • 1975-08-26 SE SE7509478A patent/SE439209B/xx not_active IP Right Cessation
  • 1975-08-26 YU YU2167/75A patent/YU37410B/xx unknown
  • 1975-08-26 BE BE159485A patent/BE832768A/xx not_active IP Right Cessation

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