FI850791L - Roekdetektor. - Google Patents
Roekdetektor.Info
- Publication number
- FI850791L FI850791L FI850791A FI850791A FI850791L FI 850791 L FI850791 L FI 850791L FI 850791 A FI850791 A FI 850791A FI 850791 A FI850791 A FI 850791A FI 850791 L FI850791 L FI 850791L
- Authority
- FI
- Finland
- Prior art keywords
- roekdetektor
- Prior art date
Links
Classifications
-
- 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
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/04—Monitoring of the detection circuits
- G08B29/043—Monitoring of the detection circuits of fire detection circuits
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Computer Security & Cryptography (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Vehicle Body Suspensions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2771984 | 1984-02-28 | ||
JP1984027719U JPS60139254U (ja) | 1984-02-28 | 1984-02-28 | 光電検出装置 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI850791A0 FI850791A0 (fi) | 1985-02-27 |
FI850791L true FI850791L (fi) | 1985-08-29 |
FI84529B FI84529B (fi) | 1991-08-30 |
FI84529C FI84529C (fi) | 1991-12-10 |
Family
ID=12228814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI850791A FI84529C (fi) | 1984-02-28 | 1985-02-27 | Roekdetektor. |
Country Status (8)
Country | Link |
---|---|
US (1) | US4651013A (fi) |
JP (1) | JPS60139254U (fi) |
AU (1) | AU573700B2 (fi) |
CH (1) | CH661992A5 (fi) |
DE (1) | DE3506956C2 (fi) |
FI (1) | FI84529C (fi) |
GB (1) | GB2158627B (fi) |
NO (1) | NO163878C (fi) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4827247A (en) * | 1985-05-08 | 1989-05-02 | Adt, Inc. | Self-compensating projected-beam smoke detector |
AU652513B2 (en) * | 1992-06-29 | 1994-08-25 | Nohmi Bosai Ltd | Smoke detecting apparatus for fire alarm |
JP3251407B2 (ja) * | 1993-12-22 | 2002-01-28 | 能美防災株式会社 | 光電式火災感知器および調整装置 |
AU683152B2 (en) * | 1994-05-31 | 1997-10-30 | Hochiki Kabushiki Kaisha | Projected beam-type smoke detector |
US5617077A (en) * | 1995-05-03 | 1997-04-01 | Pittway Corporation | Testable photoelectric detector |
ATE362156T1 (de) * | 2002-06-05 | 2007-06-15 | Cooper Lighting And Security L | Brandmelder |
US7564365B2 (en) * | 2002-08-23 | 2009-07-21 | Ge Security, Inc. | Smoke detector and method of detecting smoke |
US7075445B2 (en) * | 2002-08-23 | 2006-07-11 | Ge Security, Inc. | Rapidly responding, false detection immune alarm signal producing smoke detector |
DE202007013986U1 (de) * | 2007-10-05 | 2008-02-07 | Cedes Ag | Vorrichtung zur Steuerung eines angetriebenen Bewegungselements, insbesondere einer Tür oder eines Tores |
US8480659B2 (en) * | 2008-07-25 | 2013-07-09 | Lensar, Inc. | Method and system for removal and replacement of lens material from the lens of an eye |
BRPI0823255A2 (pt) | 2008-11-11 | 2015-06-23 | Siemens Ag | Adaptando um ponto de rastreamento de um circuito de retencão e amostra de um detector de fumaça ótica |
DE102013201049A1 (de) * | 2013-01-23 | 2014-07-24 | Robert Bosch Gmbh | Brandmelder |
GB2551546B (en) | 2016-06-21 | 2020-02-12 | Ffe Ltd | Improvements in or relating to beam phasing |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4163969A (en) * | 1977-06-20 | 1979-08-07 | American District Telegraph Company | Variable frequency light pulser for smoke detectors |
US4198627A (en) * | 1977-07-12 | 1980-04-15 | Cybernet Electronics Corporation | Photoelectric synchronous smoke sensor |
JPS5631625A (en) * | 1979-08-24 | 1981-03-31 | Hochiki Corp | Smoke detector of photoelectronic type |
JPS58101393A (ja) * | 1981-12-11 | 1983-06-16 | 能美防災工業株式会社 | パルス光による減光式煙検出器 |
-
1984
- 1984-02-28 JP JP1984027719U patent/JPS60139254U/ja active Granted
-
1985
- 1985-02-20 US US06/703,328 patent/US4651013A/en not_active Expired - Fee Related
- 1985-02-20 AU AU38995/85A patent/AU573700B2/en not_active Ceased
- 1985-02-27 DE DE19853506956 patent/DE3506956C2/de not_active Expired - Lifetime
- 1985-02-27 FI FI850791A patent/FI84529C/fi not_active IP Right Cessation
- 1985-02-27 NO NO85850806A patent/NO163878C/no unknown
- 1985-02-28 GB GB08505233A patent/GB2158627B/en not_active Expired
- 1985-02-28 CH CH917/85A patent/CH661992A5/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPS60139254U (ja) | 1985-09-14 |
JPH0348707Y2 (fi) | 1991-10-17 |
DE3506956C2 (de) | 1992-09-10 |
NO163878C (no) | 1990-08-01 |
GB8505233D0 (en) | 1985-04-03 |
FI84529B (fi) | 1991-08-30 |
NO850806L (no) | 1985-08-29 |
FI84529C (fi) | 1991-12-10 |
AU573700B2 (en) | 1988-06-16 |
US4651013A (en) | 1987-03-17 |
GB2158627A (en) | 1985-11-13 |
DE3506956A1 (de) | 1985-09-12 |
NO163878B (no) | 1990-04-23 |
CH661992A5 (fr) | 1987-08-31 |
GB2158627B (en) | 1987-07-22 |
AU3899585A (en) | 1985-09-05 |
FI850791A0 (fi) | 1985-02-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: HOCHIKI KABUSHIKI KAISHA |