SE7712437L - Optisk rokdetektor - Google Patents
Optisk rokdetektorInfo
- Publication number
- SE7712437L SE7712437L SE7712437A SE7712437A SE7712437L SE 7712437 L SE7712437 L SE 7712437L SE 7712437 A SE7712437 A SE 7712437A SE 7712437 A SE7712437 A SE 7712437A SE 7712437 L SE7712437 L SE 7712437L
- Authority
- SE
- Sweden
- Prior art keywords
- optical
- light
- detector
- light source
- biasing
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 title abstract 7
- 239000000779 smoke Substances 0.000 title abstract 3
- 238000000149 argon plasma sintering Methods 0.000 abstract 1
- 230000004888 barrier function Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
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
- 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
-
- 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
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/738,750 US4121110A (en) | 1976-11-04 | 1976-11-04 | Optically biased smoke detector |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7712437L true SE7712437L (sv) | 1978-05-05 |
Family
ID=24969328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7712437A SE7712437L (sv) | 1976-11-04 | 1977-11-03 | Optisk rokdetektor |
Country Status (9)
Country | Link |
---|---|
US (1) | US4121110A (sv) |
JP (1) | JPS5357885A (sv) |
AU (1) | AU513352B2 (sv) |
DE (1) | DE2749494A1 (sv) |
FR (1) | FR2370278A1 (sv) |
GB (1) | GB1595458A (sv) |
IT (1) | IT1209442B (sv) |
NL (1) | NL7712109A (sv) |
SE (1) | SE7712437L (sv) |
Families Citing this family (43)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4300133A (en) * | 1977-03-28 | 1981-11-10 | Solomon Elias E | Smoke detector |
DE3018021A1 (de) * | 1979-05-16 | 1980-11-27 | Honeywell Inc | Optischer rauchdetektor |
US4306230A (en) * | 1979-12-10 | 1981-12-15 | Honeywell Inc. | Self-checking photoelectric smoke detector |
EP0076338A1 (en) * | 1981-10-05 | 1983-04-13 | Gamewell Corporation | Broad-spectrum particle detector |
GB8502506D0 (en) * | 1985-01-31 | 1985-03-06 | Emi Ltd | Smoke detector |
GB8529436D0 (en) * | 1985-11-29 | 1986-01-08 | Gent Ltd | Fire detector |
EP0255117A1 (de) * | 1986-07-31 | 1988-02-03 | Siemens Aktiengesellschaft | Rauchmelder zur Bradfrüherkennung |
EP0257325A1 (de) * | 1986-07-31 | 1988-03-02 | Siemens Aktiengesellschaft | Rauchmelder zur Brandfrüherkennung |
US4906978A (en) * | 1986-12-24 | 1990-03-06 | Cerberus Ag | Optical smoke detector |
JPS63163698A (ja) * | 1986-12-26 | 1988-07-07 | ホーチキ株式会社 | 散乱光式煙感知器 |
GB2200507B (en) * | 1987-01-28 | 1992-02-12 | Famous Instr Ltd | Optical detector for an auto-focus camera |
JPS63239592A (ja) * | 1987-03-27 | 1988-10-05 | ホーチキ株式会社 | 光電式煙感知器 |
IE904564A1 (en) * | 1990-12-17 | 1992-06-17 | E I Company Ltd | Smoke alarm |
DE4207807C2 (de) * | 1992-03-12 | 1994-03-31 | Deutsche Aerospace Airbus | Vorrichtung zur Rauchmeldung |
US5394168A (en) * | 1993-01-06 | 1995-02-28 | Smith Engineering | Dual-mode hand-held game controller |
US5581241A (en) * | 1994-08-12 | 1996-12-03 | Voice Products Inc. | Ultra-sensitive smoke detector |
DE19955362B4 (de) * | 1999-11-17 | 2004-07-08 | Wagner Alarm- Und Sicherungssysteme Gmbh | Streulichtdetektor |
US6876305B2 (en) * | 1999-12-08 | 2005-04-05 | Gentex Corporation | Compact particle sensor |
EP1688898A4 (en) * | 2003-11-17 | 2010-03-03 | Hochiki Co | SMOKE DETECTOR USING DIFFUSION RADIATION |
DE102004001699A1 (de) * | 2004-01-13 | 2005-08-04 | Robert Bosch Gmbh | Brandmelder |
KR101162803B1 (ko) * | 2005-03-31 | 2012-07-05 | 펜월 컨트롤즈 오브 재팬, 리미티드 | 광전식 연기 감지기 |
US7733486B2 (en) * | 2007-06-27 | 2010-06-08 | Venturedyne, Ltd. | Environmental sensor including a baffle |
JP5442207B2 (ja) * | 2008-03-03 | 2014-03-12 | 日本フェンオール株式会社 | 点灯装置及び煙感知器 |
JP5187830B2 (ja) * | 2008-03-03 | 2013-04-24 | 日本フェンオール株式会社 | 煙感知器 |
JP5490366B2 (ja) * | 2008-03-03 | 2014-05-14 | 日本フェンオール株式会社 | 煙感知器 |
JP5490367B2 (ja) * | 2008-03-03 | 2014-05-14 | 日本フェンオール株式会社 | 煙感知器 |
JP5426929B2 (ja) * | 2009-05-26 | 2014-02-26 | パナソニック株式会社 | 光電式煙検知器 |
ES2422409T3 (es) * | 2010-06-09 | 2013-09-11 | Brueck Dietmar F | Dispositivo de alarma de humo |
US9046414B2 (en) | 2012-09-21 | 2015-06-02 | Google Inc. | Selectable lens button for a hazard detector and method therefor |
US9520252B2 (en) | 2012-09-21 | 2016-12-13 | Google Inc. | Adaptable hazard detector mounting plate |
US8994540B2 (en) | 2012-09-21 | 2015-03-31 | Google Inc. | Cover plate for a hazard detector having improved air flow and other characteristics |
US9007222B2 (en) | 2012-09-21 | 2015-04-14 | Google Inc. | Detector unit and sensing chamber therefor |
US9600989B2 (en) | 2013-09-12 | 2017-03-21 | Google Inc. | Detector unit with multiple integrated sensing systems and visually pleasing housing |
GB2531495B (en) * | 2014-06-16 | 2017-04-12 | Apollo Fire Detectors Ltd | Smoke detector |
US9679454B2 (en) | 2015-02-06 | 2017-06-13 | Google Inc. | Systems, methods, and devices for managing coexistence of multiple transceiver devices using control signals |
US9396633B1 (en) | 2015-06-14 | 2016-07-19 | Google Inc. | Systems, methods, and devices for managing coexistence of multiple transceiver devices by optimizing component layout |
US9794522B2 (en) | 2015-02-06 | 2017-10-17 | Google Inc. | Systems, methods, and devices for managing coexistence of multiple transceiver devices by optimizing component layout |
CN107533787B (zh) * | 2015-05-15 | 2019-10-18 | 谷歌有限责任公司 | 烟雾探测器室结构及相关方法 |
US9543998B2 (en) | 2015-06-14 | 2017-01-10 | Google Inc. | Systems, methods, and devices for managing coexistence of multiple transceiver devices using bypass circuitry |
US10078948B2 (en) * | 2016-01-26 | 2018-09-18 | Honeywell International Inc. | Smoke detector with a double optical chamber |
US10613213B2 (en) | 2016-05-13 | 2020-04-07 | Google Llc | Systems, methods, and devices for utilizing radar with smart devices |
US10687184B2 (en) | 2016-05-13 | 2020-06-16 | Google Llc | Systems, methods, and devices for utilizing radar-based touch interfaces |
WO2019234978A1 (ja) * | 2018-06-08 | 2019-12-12 | ホーチキ株式会社 | 感知器 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3916209A (en) * | 1973-07-24 | 1975-10-28 | Electro Signal Lab | Vaned baffle for optical smoke detector |
GB1446646A (en) * | 1973-09-20 | 1976-08-18 | Chubb Fire Security Ltd | Smoke detector |
JPS50134172A (sv) * | 1974-04-17 | 1975-10-24 |
-
1976
- 1976-11-04 US US05/738,750 patent/US4121110A/en not_active Expired - Lifetime
-
1977
- 1977-01-18 JP JP366477A patent/JPS5357885A/ja active Granted
- 1977-11-01 GB GB45410/77A patent/GB1595458A/en not_active Expired
- 1977-11-03 NL NL7712109A patent/NL7712109A/xx not_active Application Discontinuation
- 1977-11-03 IT IT7729335A patent/IT1209442B/it active
- 1977-11-03 SE SE7712437A patent/SE7712437L/sv not_active Application Discontinuation
- 1977-11-04 DE DE19772749494 patent/DE2749494A1/de not_active Withdrawn
- 1977-11-04 AU AU30364/77A patent/AU513352B2/en not_active Expired
- 1977-11-04 FR FR7733280A patent/FR2370278A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
AU3036477A (en) | 1979-05-10 |
JPS5357885A (en) | 1978-05-25 |
DE2749494A1 (de) | 1978-05-11 |
AU513352B2 (en) | 1980-11-27 |
IT1209442B (it) | 1989-08-30 |
FR2370278B3 (sv) | 1980-08-08 |
JPS5643501B2 (sv) | 1981-10-13 |
FR2370278A1 (fr) | 1978-06-02 |
GB1595458A (en) | 1981-08-12 |
NL7712109A (nl) | 1978-05-08 |
US4121110A (en) | 1978-10-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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