DE2749494A1 - Optischer rauchdetektor - Google Patents
Optischer rauchdetektorInfo
- Publication number
- DE2749494A1 DE2749494A1 DE19772749494 DE2749494A DE2749494A1 DE 2749494 A1 DE2749494 A1 DE 2749494A1 DE 19772749494 DE19772749494 DE 19772749494 DE 2749494 A DE2749494 A DE 2749494A DE 2749494 A1 DE2749494 A1 DE 2749494A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- light source
- smoke
- optical
- smoke detector
- 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- Withdrawn
Links
- 239000000779 smoke Substances 0.000 title claims description 51
- 230000003287 optical effect Effects 0.000 title claims description 41
- 239000002245 particle Substances 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 241000611421 Elia Species 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 238000000149 argon plasma sintering Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 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)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (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 |
|---|---|
| DE2749494A1 true DE2749494A1 (de) | 1978-05-11 |
Family
ID=24969328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19772749494 Withdrawn DE2749494A1 (de) | 1976-11-04 | 1977-11-04 | Optischer rauchdetektor |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US4121110A ( ) |
| JP (1) | JPS5357885A ( ) |
| AU (1) | AU513352B2 ( ) |
| DE (1) | DE2749494A1 ( ) |
| FR (1) | FR2370278A1 ( ) |
| GB (1) | GB1595458A ( ) |
| IT (1) | IT1209442B ( ) |
| NL (1) | NL7712109A ( ) |
| SE (1) | SE7712437L ( ) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT404303B (de) * | 1986-12-26 | 1998-10-27 | Hochiki Co | Streulicht-rauchmelder |
| EP2395489A2 (de) * | 2010-06-09 | 2011-12-14 | Dietmar F. Brück | Rauchmeldeeinrichtung |
Families Citing this family (41)
| 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 |
| 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 |
| WO2005048208A1 (ja) * | 2003-11-17 | 2005-05-26 | Hochiki Corporation | 散乱光式煙感知器 |
| DE102004001699A1 (de) * | 2004-01-13 | 2005-08-04 | Robert Bosch Gmbh | Brandmelder |
| US7697140B2 (en) * | 2005-03-31 | 2010-04-13 | Fenwal Controls Of Japan, Ltd. | Photoelectric smoke detector |
| US7733486B2 (en) * | 2007-06-27 | 2010-06-08 | Venturedyne, Ltd. | Environmental sensor including a baffle |
| 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 |
| 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 |
| 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 |
| US8994540B2 (en) | 2012-09-21 | 2015-03-31 | Google Inc. | Cover plate for a hazard detector having improved air flow and other characteristics |
| US9607787B2 (en) | 2012-09-21 | 2017-03-28 | Google Inc. | Tactile feedback button for a hazard detector and fabrication method thereof |
| US9046414B2 (en) | 2012-09-21 | 2015-06-02 | Google Inc. | Selectable lens button for a hazard detector and method therefor |
| 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 |
| EP3295439B1 (en) * | 2015-05-15 | 2020-05-06 | Google LLC | Smoke detector chamber architecture and related methods |
| 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 |
| US10687184B2 (en) | 2016-05-13 | 2020-06-16 | Google Llc | Systems, methods, and devices for utilizing radar-based touch interfaces |
| US10613213B2 (en) | 2016-05-13 | 2020-04-07 | Google Llc | Systems, methods, and devices for utilizing radar with smart devices |
| 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 ( ) * | 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 SE SE7712437A patent/SE7712437L/ not_active Application Discontinuation
- 1977-11-03 NL NL7712109A patent/NL7712109A/xx not_active Application Discontinuation
- 1977-11-03 IT IT7729335A patent/IT1209442B/it active
- 1977-11-04 AU AU30364/77A patent/AU513352B2/en not_active Expired
- 1977-11-04 FR FR7733280A patent/FR2370278A1/fr active Granted
- 1977-11-04 DE DE19772749494 patent/DE2749494A1/de not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT404303B (de) * | 1986-12-26 | 1998-10-27 | Hochiki Co | Streulicht-rauchmelder |
| EP2395489A2 (de) * | 2010-06-09 | 2011-12-14 | Dietmar F. Brück | Rauchmeldeeinrichtung |
| EP2395489A3 (de) * | 2010-06-09 | 2012-01-11 | Dietmar F. Brück | Rauchmeldeeinrichtung |
Also Published As
| Publication number | Publication date |
|---|---|
| US4121110A (en) | 1978-10-17 |
| JPS5643501B2 ( ) | 1981-10-13 |
| GB1595458A (en) | 1981-08-12 |
| AU3036477A (en) | 1979-05-10 |
| AU513352B2 (en) | 1980-11-27 |
| IT1209442B (it) | 1989-08-30 |
| SE7712437L (sv) | 1978-05-05 |
| NL7712109A (nl) | 1978-05-08 |
| FR2370278A1 (fr) | 1978-06-02 |
| FR2370278B3 ( ) | 1980-08-08 |
| JPS5357885A (en) | 1978-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8127 | New person/name/address of the applicant |
Owner name: THE GAMEWELL CORP., 02053 MEDWAY, MASS., US |
|
| 8139 | Disposal/non-payment of the annual fee |