DE3482945D1 - Rauchanzeigegeraet. - Google Patents

Rauchanzeigegeraet.

Info

Publication number
DE3482945D1
DE3482945D1 DE8484307232T DE3482945T DE3482945D1 DE 3482945 D1 DE3482945 D1 DE 3482945D1 DE 8484307232 T DE8484307232 T DE 8484307232T DE 3482945 T DE3482945 T DE 3482945T DE 3482945 D1 DE3482945 D1 DE 3482945D1
Authority
DE
Germany
Prior art keywords
pulse
circuit
subjected
control device
light source
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.)
Expired - Fee Related
Application number
DE8484307232T
Other languages
English (en)
Inventor
Martin Terence Cole
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.)
Vision Systems Ltd
Original Assignee
Martin Terence Cole
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 Martin Terence Cole filed Critical Martin Terence Cole
Application granted granted Critical
Publication of DE3482945D1 publication Critical patent/DE3482945D1/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G08B17/107—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 for detecting light-scattering due to smoke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)
  • Glass Compositions (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
DE8484307232T 1983-10-21 1984-10-19 Rauchanzeigegeraet. Expired - Fee Related DE3482945D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AUPG197583 1983-10-21

Publications (1)

Publication Number Publication Date
DE3482945D1 true DE3482945D1 (de) 1990-09-13

Family

ID=3770378

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3486368T Expired - Fee Related DE3486368T2 (de) 1983-10-21 1984-10-19 Optische Luftpollutions- oder Rauchdetektionsvorrichtung.
DE8484307232T Expired - Fee Related DE3482945D1 (de) 1983-10-21 1984-10-19 Rauchanzeigegeraet.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3486368T Expired - Fee Related DE3486368T2 (de) 1983-10-21 1984-10-19 Optische Luftpollutions- oder Rauchdetektionsvorrichtung.

Country Status (9)

Country Link
US (2) US4670741A (de)
EP (1) EP0365047B1 (de)
JP (1) JPH0713592B2 (de)
KR (1) KR930000510B1 (de)
AT (2) ATE55503T1 (de)
CA (1) CA1277005C (de)
DE (2) DE3486368T2 (de)
NZ (1) NZ209934A (de)
PH (1) PH21863A (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8913773D0 (en) * 1989-06-15 1989-08-02 Fire Fighting Enterprises Uk L Particle detectors
US5260765A (en) * 1990-01-16 1993-11-09 Pittway Corporation Beam alignment apparatus and method
US5085508A (en) * 1990-01-16 1992-02-04 Pittway Corporation Beam alignment apparatus and method usable with projected beam smoke detector systems
AT399053B (de) * 1991-09-20 1995-03-27 Avl Verbrennungskraft Messtech Messeinrichtung zur bestimmung von eigenschaften einer probe
EP0640210A4 (de) * 1992-05-11 1995-09-13 Iei Pty Ltd Verbesserungen im bezug auf rauchnachweis-abtastvorrichtungen.
AU652513B2 (en) * 1992-06-29 1994-08-25 Nohmi Bosai Ltd Smoke detecting apparatus for fire alarm
GB2274333B (en) * 1993-01-07 1996-12-11 Hochiki Co Smoke detecting apparatus capable of detecting both smoke and fine particles
GB9315779D0 (en) * 1993-07-30 1993-09-15 Stoneplan Limited Apparatus and methods
JP3243115B2 (ja) * 1993-10-29 2002-01-07 ホーチキ株式会社 光電式感知器及び火災感知システム
FR2736436B1 (fr) * 1995-07-03 1997-08-29 Cosyns Jean Pierre Procede et indicateur lumineux de la direction et de la vitesse du vent
KR20030009967A (ko) * 2001-07-24 2003-02-05 이성문 공공장소의 독가스/화재 경보장치
US20100194575A1 (en) * 2009-01-30 2010-08-05 Carlos Pedrejon Rodriguez Dual channel aspirated detector
CN111263958B (zh) * 2017-10-30 2022-05-27 开利公司 检测器装置中的补偿器
EP3815066B1 (de) 2018-06-29 2023-03-01 Carrier Corporation Vorrichtung zur mehrzweckluftüberwachung
CN113538837B (zh) * 2021-07-08 2022-09-13 深圳市豪恩安全科技有限公司 光电感烟探测方法、探测装置及计算机可读存储介质
US20240159410A1 (en) * 2022-11-16 2024-05-16 Honeywell International Inc. Detecting airflow and temperature conditions of a fire sensing device

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US513829A (en) * 1894-01-30 Electric alarm
US2867698A (en) * 1955-11-25 1959-01-06 Gondolfo Charles Automobile fuel tank alarm
US3684870A (en) * 1970-09-03 1972-08-15 Veeder Industries Inc Percentage counter
JPS4896193A (de) * 1972-03-24 1973-12-08
US3860818A (en) * 1972-04-27 1975-01-14 Texas Instruments Inc Atmospheric pollution monitor
GB1419146A (en) * 1972-06-06 1975-12-24 Commw Scient Ind Res Org Smoke detector
US3824402A (en) * 1973-06-04 1974-07-16 Energy Commission Dual parameter flow photometric apparatus and method
US3982130A (en) * 1975-10-10 1976-09-21 The United States Of America As Represented By The Secretary Of The Air Force Ultraviolet wavelength smoke detector
JPS5262486A (en) * 1975-11-19 1977-05-23 Kokusai Gijutsu Kaihatsu Kk Transmitted light smoke sensor
US4185278A (en) * 1977-09-22 1980-01-22 HF Systems, Incorporated Obscuration type smoke detector
US4171490A (en) * 1977-10-27 1979-10-16 Matsushita Electric Works, Ltd. Photoelectric smoke detector
JPS5619439A (en) * 1979-07-26 1981-02-24 Matsushita Electric Ind Co Ltd Photoelectric smoke detector
JPS5631625A (en) * 1979-08-24 1981-03-31 Hochiki Corp Smoke detector of photoelectronic type
GB2074721B (en) * 1980-04-23 1983-09-07 Furnace Construction Co Ltd Smoke sensor apparatus
JPS5722541A (en) * 1980-07-15 1982-02-05 Matsushita Electric Works Ltd Light reduction type smoke sensor
JPS5744186A (en) * 1980-08-29 1982-03-12 Takeda Riken Ind Co Ltd Waveform memory
JPS58166281A (ja) * 1982-03-27 1983-10-01 Kokuritsu Kogai Kenkyusho 擬似ランダム変調連続出力ライダ

Also Published As

Publication number Publication date
EP0365047A3 (en) 1990-08-29
EP0365047B1 (de) 1995-02-01
KR930000510B1 (ko) 1993-01-21
DE3486368D1 (de) 1995-03-16
NZ209934A (en) 1988-07-28
US4670741A (en) 1987-06-02
PH21863A (en) 1988-03-25
JPH0713592B2 (ja) 1995-02-15
KR850003267A (ko) 1985-06-13
EP0365047A2 (de) 1990-04-25
DE3486368T2 (de) 1995-06-29
ATE118109T1 (de) 1995-02-15
CA1277005C (en) 1990-11-27
ATE55503T1 (de) 1990-08-15
USRE34704E (en) 1994-08-23
JPS60136899A (ja) 1985-07-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: VISION SYSTEMS LTD., MT. WAVERLEY, AU

8381 Inventor (new situation)

Free format text: COLE, MARTIN TERENCE, KEYSBOROUGH, VICTORIA, AU

8339 Ceased/non-payment of the annual fee