JPS5177386A - - Google Patents

Info

Publication number
JPS5177386A
JPS5177386A JP50141077A JP14107775A JPS5177386A JP S5177386 A JPS5177386 A JP S5177386A JP 50141077 A JP50141077 A JP 50141077A JP 14107775 A JP14107775 A JP 14107775A JP S5177386 A JPS5177386 A JP S5177386A
Authority
JP
Japan
Legal status (The legal status 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 status listed.)
Granted
Application number
JP50141077A
Other languages
Japanese (ja)
Other versions
JPS5624898B2 (en
Inventor
Jei Marinofusukii Uiriamu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pyrotector Inc
Original Assignee
Pyrotector Inc
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
Priority claimed from US05/621,085 external-priority patent/US4011458A/en
Application filed by Pyrotector Inc filed Critical Pyrotector Inc
Publication of JPS5177386A publication Critical patent/JPS5177386A/ja
Publication of JPS5624898B2 publication Critical patent/JPS5624898B2/ja
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G08B17/103—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using a light emitting and receiving device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • 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

  • Physics & Mathematics (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Emergency Alarm Devices (AREA)
JP14107775A 1974-11-27 1975-11-25 Expired JPS5624898B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52758974A 1974-11-27 1974-11-27
US05/621,085 US4011458A (en) 1975-10-09 1975-10-09 Photoelectric detector with light source intensity regulation

Publications (2)

Publication Number Publication Date
JPS5177386A true JPS5177386A (en) 1976-07-05
JPS5624898B2 JPS5624898B2 (en) 1981-06-09

Family

ID=27062456

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14107775A Expired JPS5624898B2 (en) 1974-11-27 1975-11-25

Country Status (10)

Country Link
JP (1) JPS5624898B2 (en)
AU (1) AU497359B2 (en)
BR (1) BR7507896A (en)
CA (1) CA1052887A (en)
CH (1) CH604299A5 (en)
DE (1) DE2553339A1 (en)
FR (1) FR2292975A1 (en)
GB (1) GB1529473A (en)
IT (1) IT1054912B (en)
SE (1) SE406657B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53102085A (en) * 1977-02-18 1978-09-06 Mochida Pharm Co Ltd Instrument for measuring amount of bilirubin

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2965650D1 (en) * 1979-02-01 1983-07-21 Bbc Brown Boveri & Cie Photoelectric system for monitoring flames and fumes
US4306230A (en) * 1979-12-10 1981-12-15 Honeywell Inc. Self-checking photoelectric smoke detector
JPH02123691U (en) * 1989-03-23 1990-10-11
DE602006019760D1 (en) 2005-10-19 2011-03-03 Philips Intellectual Property COLOR ILLUMINATION DEVICE

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1164793A (en) * 1966-04-05 1969-09-24 Photain Controls Ltd Photo-electric Detection Devices
US3461443A (en) * 1966-11-07 1969-08-12 Alfred W Vasel Smoke detector with means indicating the failure of the light source
GB1222351A (en) * 1966-12-07 1971-02-10 Derek Charles Adams Improvements in or relating to fire-detection apparatus
GB1278205A (en) * 1970-02-11 1972-06-21 Shorrock Develpoments Ltd Smoke detecting device
US3736431A (en) * 1971-04-30 1973-05-29 Mobil Oil Corp System for monitoring a fluid stream

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53102085A (en) * 1977-02-18 1978-09-06 Mochida Pharm Co Ltd Instrument for measuring amount of bilirubin

Also Published As

Publication number Publication date
CH604299A5 (en) 1978-09-15
AU8670575A (en) 1977-05-26
AU497359B2 (en) 1978-12-07
DE2553339A1 (en) 1976-08-12
FR2292975A1 (en) 1976-06-25
GB1529473A (en) 1978-10-18
JPS5624898B2 (en) 1981-06-09
CA1052887A (en) 1979-04-17
SE7513301L (en) 1976-05-28
FR2292975B1 (en) 1981-09-18
IT1054912B (en) 1981-11-30
BR7507896A (en) 1976-08-10
SE406657B (en) 1979-02-19

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