NO133342B - - Google Patents

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Publication number
NO133342B
NO133342B NO744274A NO744274A NO133342B NO 133342 B NO133342 B NO 133342B NO 744274 A NO744274 A NO 744274A NO 744274 A NO744274 A NO 744274A NO 133342 B NO133342 B NO 133342B
Authority
NO
Norway
Prior art keywords
resistance body
resistance
rudder
combustion aerosols
aerosols
Prior art date
Application number
NO744274A
Other languages
English (en)
Norwegian (no)
Other versions
NO744274L (https=
NO133342C (https=
Inventor
P W R Brennecke
H Ewe
E W L Justi
Original Assignee
Ericsson Telefon Ab L M
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO744274L publication Critical patent/NO744274L/no
Publication of NO133342B publication Critical patent/NO133342B/no
Publication of NO133342C publication Critical patent/NO133342C/no

Links

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
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/12—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a solid body in dependence upon absorption of a fluid; of a solid body in dependence upon reaction with a fluid, for detecting components in the fluid
    • 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
    • G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
NO744274A 1973-11-28 1974-11-27 NO133342C (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7316093A SE369636B (https=) 1973-11-28 1973-11-28

Publications (3)

Publication Number Publication Date
NO744274L NO744274L (https=) 1975-06-23
NO133342B true NO133342B (https=) 1976-01-05
NO133342C NO133342C (https=) 1976-04-21

Family

ID=20319229

Family Applications (1)

Application Number Title Priority Date Filing Date
NO744274A NO133342C (https=) 1973-11-28 1974-11-27

Country Status (8)

Country Link
US (1) US3973192A (https=)
CH (1) CH577221A5 (https=)
DE (1) DE2455003B2 (https=)
FR (1) FR2252617B1 (https=)
GB (1) GB1484172A (https=)
IT (1) IT1026569B (https=)
NO (1) NO133342C (https=)
SE (1) SE369636B (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2044935B (en) 1979-03-21 1983-12-21 Fulmer Res Inst Ltd Abrasion testing
US4423407A (en) * 1981-02-27 1983-12-27 Dart Industries Inc. Apparatus and method for measuring the concentration of gases
US4502321A (en) * 1981-02-27 1985-03-05 Capital Controls Apparatus and method for measuring the concentration of gases
US5466605A (en) * 1993-03-15 1995-11-14 Arizona Board Of Regents Method for detection of chemical components
US5985673A (en) * 1994-12-22 1999-11-16 Arizona Baord Of Regents Method for regeneration of a sensor
DE10130608A1 (de) * 2001-06-26 2003-01-09 Bsh Bosch Siemens Hausgeraete Brandschutzeinrichtung für Haushaltgeräte

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2369499A (en) * 1945-02-13 Apparatus fob measuring rate of
US3820958A (en) * 1973-01-29 1974-06-28 Dow Chemical Co Hydrogen sulfide monitor

Also Published As

Publication number Publication date
IT1026569B (it) 1978-10-20
FR2252617B1 (https=) 1978-06-16
NO744274L (https=) 1975-06-23
DE2455003A1 (de) 1975-06-12
CH577221A5 (https=) 1976-06-30
SE369636B (https=) 1974-09-09
FR2252617A1 (https=) 1975-06-20
GB1484172A (en) 1977-09-01
US3973192A (en) 1976-08-03
NO133342C (https=) 1976-04-21
DE2455003B2 (de) 1975-12-18

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