PH21863A - Smoke detection apparatus - Google Patents
Smoke detection apparatusInfo
- Publication number
- PH21863A PH21863A PH31359A PH31359A PH21863A PH 21863 A PH21863 A PH 21863A PH 31359 A PH31359 A PH 31359A PH 31359 A PH31359 A PH 31359A PH 21863 A PH21863 A PH 21863A
- Authority
- PH
- Philippines
- Prior art keywords
- pulse
- circuit
- subjected
- control device
- light source
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPG197583 | 1983-10-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
PH21863A true PH21863A (en) | 1988-03-25 |
Family
ID=3770378
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PH31359A PH21863A (en) | 1983-10-21 | 1984-10-22 | Smoke detection apparatus |
Country Status (9)
Country | Link |
---|---|
US (2) | US4670741A (ja) |
EP (1) | EP0365047B1 (ja) |
JP (1) | JPH0713592B2 (ja) |
KR (1) | KR930000510B1 (ja) |
AT (2) | ATE118109T1 (ja) |
CA (1) | CA1277005C (ja) |
DE (2) | DE3486368T2 (ja) |
NZ (1) | NZ209934A (ja) |
PH (1) | PH21863A (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8913773D0 (en) * | 1989-06-15 | 1989-08-02 | Fire Fighting Enterprises Uk L | Particle detectors |
US5085508A (en) * | 1990-01-16 | 1992-02-04 | Pittway Corporation | Beam alignment apparatus and method usable with projected beam smoke detector systems |
US5260765A (en) * | 1990-01-16 | 1993-11-09 | Pittway Corporation | Beam alignment apparatus and method |
AT399053B (de) * | 1991-09-20 | 1995-03-27 | Avl Verbrennungskraft Messtech | Messeinrichtung zur bestimmung von eigenschaften einer probe |
EP0640210A4 (en) * | 1992-05-11 | 1995-09-13 | Iei Pty Ltd | IMPROVEMENTS IN OR RELATING TO AN EXPLORATION SMOKE DETECTION APPARATUS. |
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 |
ES2939725T3 (es) | 2018-06-29 | 2023-04-26 | Carrier Corp | Dispositivo de supervisión de aire multifunción |
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 |
CN118311212B (zh) * | 2024-06-11 | 2024-08-13 | 四川正诚石油技术开发有限公司 | 一种便携式毒气检测系统 |
Family Cites Families (17)
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 (ja) * | 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 |
-
1984
- 1984-10-18 CA CA000465818A patent/CA1277005C/en not_active Expired - Lifetime
- 1984-10-19 DE DE3486368T patent/DE3486368T2/de not_active Expired - Fee Related
- 1984-10-19 JP JP59218721A patent/JPH0713592B2/ja not_active Expired - Lifetime
- 1984-10-19 DE DE8484307232T patent/DE3482945D1/de not_active Expired - Lifetime
- 1984-10-19 AT AT89121615T patent/ATE118109T1/de not_active IP Right Cessation
- 1984-10-19 NZ NZ209934A patent/NZ209934A/xx unknown
- 1984-10-19 AT AT84307232T patent/ATE55503T1/de not_active IP Right Cessation
- 1984-10-19 EP EP89121615A patent/EP0365047B1/en not_active Expired - Lifetime
- 1984-10-20 KR KR1019840006530A patent/KR930000510B1/ko not_active IP Right Cessation
- 1984-10-22 US US06/663,324 patent/US4670741A/en not_active Ceased
- 1984-10-22 PH PH31359A patent/PH21863A/en unknown
-
1989
- 1989-06-02 US US07/360,268 patent/USRE34704E/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NZ209934A (en) | 1988-07-28 |
EP0365047B1 (en) | 1995-02-01 |
KR930000510B1 (ko) | 1993-01-21 |
US4670741A (en) | 1987-06-02 |
EP0365047A2 (en) | 1990-04-25 |
USRE34704E (en) | 1994-08-23 |
DE3482945D1 (de) | 1990-09-13 |
DE3486368D1 (de) | 1995-03-16 |
JPS60136899A (ja) | 1985-07-20 |
CA1277005C (en) | 1990-11-27 |
DE3486368T2 (de) | 1995-06-29 |
EP0365047A3 (en) | 1990-08-29 |
KR850003267A (ko) | 1985-06-13 |
JPH0713592B2 (ja) | 1995-02-15 |
ATE55503T1 (de) | 1990-08-15 |
ATE118109T1 (de) | 1995-02-15 |
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