DE2553339A1 - Meldeeinrichtung, insbesondere rauchgasmelder - Google Patents

Meldeeinrichtung, insbesondere rauchgasmelder

Info

Publication number
DE2553339A1
DE2553339A1 DE19752553339 DE2553339A DE2553339A1 DE 2553339 A1 DE2553339 A1 DE 2553339A1 DE 19752553339 DE19752553339 DE 19752553339 DE 2553339 A DE2553339 A DE 2553339A DE 2553339 A1 DE2553339 A1 DE 2553339A1
Authority
DE
Germany
Prior art keywords
light
light source
smoke
photoresistive
brightness
Prior art date
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.)
Withdrawn
Application number
DE19752553339
Other languages
German (de)
English (en)
Inventor
William J Malinowski
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 DE2553339A1 publication Critical patent/DE2553339A1/de
Withdrawn legal-status Critical Current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

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Emergency Alarm Devices (AREA)
DE19752553339 1974-11-27 1975-11-27 Meldeeinrichtung, insbesondere rauchgasmelder Withdrawn DE2553339A1 (de)

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 (1)

Publication Number Publication Date
DE2553339A1 true DE2553339A1 (de) 1976-08-12

Family

ID=27062456

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19752553339 Withdrawn DE2553339A1 (de) 1974-11-27 1975-11-27 Meldeeinrichtung, insbesondere rauchgasmelder

Country Status (10)

Country Link
JP (1) JPS5624898B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU497359B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR7507896A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1052887A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CH (1) CH604299A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE2553339A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FR (1) FR2292975A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB1529473A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1054912B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
SE (1) SE406657B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014265A1 (de) * 1979-02-01 1980-08-20 BBC Aktiengesellschaft Brown, Boveri & Cie. Photoelektrische Vorrichtung zur Flammen- und Rauchgasüberwachung
DE3050124C2 (de) * 1979-12-10 1986-04-17 Honeywell Inc., Minneapolis, Minn. Optischer Rauchmelder

Families Citing this family (3)

* 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
JPH02123691U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1989-03-23 1990-10-11
CN101292573A (zh) 2005-10-19 2008-10-22 皇家飞利浦电子股份有限公司 彩色照明系统

Citations (3)

* 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
DE1566721B1 (de) * 1966-11-07 1970-12-10 Pyrotector Inc Elektrische Rauchgasalarmvorrichtung
DE2105917A1 (de) * 1970-02-11 1971-08-26 Shorrock Dev Rauchanzeigegerat

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1222351A (en) * 1966-12-07 1971-02-10 Derek Charles Adams Improvements in or relating to fire-detection apparatus
US3736431A (en) * 1971-04-30 1973-05-29 Mobil Oil Corp System for monitoring a fluid stream

Patent Citations (3)

* 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
DE1566721B1 (de) * 1966-11-07 1970-12-10 Pyrotector Inc Elektrische Rauchgasalarmvorrichtung
DE2105917A1 (de) * 1970-02-11 1971-08-26 Shorrock Dev Rauchanzeigegerat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014265A1 (de) * 1979-02-01 1980-08-20 BBC Aktiengesellschaft Brown, Boveri & Cie. Photoelektrische Vorrichtung zur Flammen- und Rauchgasüberwachung
DE3050124C2 (de) * 1979-12-10 1986-04-17 Honeywell Inc., Minneapolis, Minn. Optischer Rauchmelder

Also Published As

Publication number Publication date
AU497359B2 (en) 1978-12-07
SE7513301L (sv) 1976-05-28
IT1054912B (it) 1981-11-30
CH604299A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1978-09-15
FR2292975B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-09-18
JPS5624898B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1981-06-09
FR2292975A1 (fr) 1976-06-25
CA1052887A (en) 1979-04-17
BR7507896A (pt) 1976-08-10
GB1529473A (en) 1978-10-18
SE406657B (sv) 1979-02-19
JPS5177386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1976-07-05
AU8670575A (en) 1977-05-26

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Legal Events

Date Code Title Description
OGA New person/name/address of the applicant
8127 New person/name/address of the applicant

Owner name: PYROTECTOR INC., HINGHAM, MASS., US

8128 New person/name/address of the agent

Representative=s name: BARDEHLE, H., DIPL.-ING., PAT.-ANW. PAGENBERG, J.,

8136 Disposal/non-payment of the fee for publication/grant