CH694649A5 - Rauchsensor des Lichtstörungstyps. - Google Patents
Rauchsensor des Lichtstörungstyps. Download PDFInfo
- Publication number
- CH694649A5 CH694649A5 CH00217/99A CH21799A CH694649A5 CH 694649 A5 CH694649 A5 CH 694649A5 CH 00217/99 A CH00217/99 A CH 00217/99A CH 21799 A CH21799 A CH 21799A CH 694649 A5 CH694649 A5 CH 694649A5
- Authority
- CH
- Switzerland
- Prior art keywords
- light
- level
- generation control
- sensor
- received light
- Prior art date
Links
- 239000000779 smoke Substances 0.000 title claims description 28
- 238000012544 monitoring process Methods 0.000 claims description 13
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000007423 decrease Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 description 22
- 238000009434 installation Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 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
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/18—Prevention or correction of operating errors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10024358A JPH11224387A (ja) | 1998-02-05 | 1998-02-05 | 減光式煙感知器 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH694649A5 true CH694649A5 (de) | 2005-05-13 |
Family
ID=12135984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH00217/99A CH694649A5 (de) | 1998-02-05 | 1999-02-05 | Rauchsensor des Lichtstörungstyps. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US6094143A (enExample) |
| JP (1) | JPH11224387A (enExample) |
| AU (1) | AU750314B2 (enExample) |
| CH (1) | CH694649A5 (enExample) |
| DE (1) | DE19904535A1 (enExample) |
| GB (1) | GB2334096B (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4559664B2 (ja) * | 2001-06-29 | 2010-10-13 | ニッタン株式会社 | 光電分離型煙感知器および防災システム |
| DE60210738T2 (de) * | 2002-01-16 | 2007-04-12 | Leeds Electronic Eng. Ltd. | Diebstahlschutzalarm mit reduzierter Verdrahtung |
| US8021469B2 (en) * | 2005-07-14 | 2011-09-20 | Access Business Group International Llc | Control methods for an air treatment system |
| DE202007013986U1 (de) * | 2007-10-05 | 2008-02-07 | Cedes Ag | Vorrichtung zur Steuerung eines angetriebenen Bewegungselements, insbesondere einer Tür oder eines Tores |
| CN106155861A (zh) * | 2015-04-22 | 2016-11-23 | 鸿富锦精密工业(武汉)有限公司 | 电子设备报警电路 |
| KR102508926B1 (ko) * | 2022-06-09 | 2023-03-14 | (주)전원테크 | 광전식 화재감지기의 수명을 관리할 수 있는 화재감시 시스템 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2074721B (en) * | 1980-04-23 | 1983-09-07 | Furnace Construction Co Ltd | Smoke sensor apparatus |
| GB2095821B (en) * | 1981-03-17 | 1985-08-21 | Malinowski William J | Self-calibrating smoke detector and method |
| JPS60144458U (ja) * | 1984-03-05 | 1985-09-25 | ホーチキ株式会社 | 火災検出装置 |
| JPS61247918A (ja) * | 1985-04-26 | 1986-11-05 | Hochiki Corp | アナログセンサの出力補正装置 |
| GB9212060D0 (en) * | 1992-06-04 | 1992-07-22 | Appleby David | Obscuration sensor |
| JP3231886B2 (ja) * | 1993-03-31 | 2001-11-26 | 能美防災株式会社 | 光電式火災感知器 |
| EP0629983A1 (en) * | 1993-06-02 | 1994-12-21 | David Appleby | Obscuration type smoke detector |
| US5546074A (en) * | 1993-08-19 | 1996-08-13 | Sentrol, Inc. | Smoke detector system with self-diagnostic capabilities and replaceable smoke intake canopy |
| FR2723233B1 (fr) * | 1994-07-29 | 1996-10-04 | Lewiner Jacques | Perfectionnements aux detecteurs optiques de fumees |
| GB2314618B (en) * | 1996-06-26 | 1999-12-29 | David Appleby | Smoke detector using light scatter and extinction |
| US5705988A (en) * | 1996-07-08 | 1998-01-06 | Detection Systems, Inc. | Photoelectric smoke detector with count based A/D and D/A converter |
| US5831537A (en) * | 1997-10-27 | 1998-11-03 | Slc Technologies, Inc. | Electrical current saving combined smoke and fire detector |
-
1998
- 1998-02-05 JP JP10024358A patent/JPH11224387A/ja active Pending
-
1999
- 1999-01-14 GB GB9900810A patent/GB2334096B/en not_active Expired - Lifetime
- 1999-01-14 US US09/231,074 patent/US6094143A/en not_active Expired - Lifetime
- 1999-02-04 DE DE19904535A patent/DE19904535A1/de not_active Ceased
- 1999-02-04 AU AU15428/99A patent/AU750314B2/en not_active Ceased
- 1999-02-05 CH CH00217/99A patent/CH694649A5/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| GB2334096A (en) | 1999-08-11 |
| DE19904535A1 (de) | 1999-08-12 |
| US6094143A (en) | 2000-07-25 |
| AU1542899A (en) | 1999-08-26 |
| GB2334096B (en) | 2002-05-29 |
| AU750314B2 (en) | 2002-07-18 |
| JPH11224387A (ja) | 1999-08-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |