GB1548282A - Smoke detector - Google Patents
Smoke detectorInfo
- Publication number
- GB1548282A GB1548282A GB25457/76A GB2545776A GB1548282A GB 1548282 A GB1548282 A GB 1548282A GB 25457/76 A GB25457/76 A GB 25457/76A GB 2545776 A GB2545776 A GB 2545776A GB 1548282 A GB1548282 A GB 1548282A
- Authority
- GB
- United Kingdom
- Prior art keywords
- smoke detector
- 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.)
- Expired
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
- 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
-
- 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 |
---|---|---|---|
US58904475A | 1975-06-23 | 1975-06-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1548282A true GB1548282A (en) | 1979-07-11 |
Family
ID=24356367
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB25457/76A Expired GB1548282A (en) | 1975-06-23 | 1976-06-18 | Smoke detector |
Country Status (7)
Country | Link |
---|---|
JP (1) | JPS527287A (ja) |
AU (2) | AU498981B2 (ja) |
BR (1) | BR7604035A (ja) |
CA (1) | CA1067597A (ja) |
DE (1) | DE2628146C2 (ja) |
FR (1) | FR2317647A1 (ja) |
GB (1) | GB1548282A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2151384A (en) * | 1983-12-13 | 1985-07-17 | Nittan Co Ltd | Environmental alarms |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2907173A1 (de) * | 1979-02-23 | 1980-09-04 | Hekatron Gmbh | Schaltungsanordnung fuer einen optischen rauchgasanzeiger |
DE10132540A1 (de) * | 2001-07-09 | 2003-01-30 | Pwb Ruhlatec Ind Prod Gmbh | Verfahren und Vorrichtung zur Signalstabilisierung |
DE10356224A1 (de) | 2003-12-02 | 2005-06-30 | Pwb-Ruhlatec Industrieprodukte Gmbh | Taktscheibenbefestigung |
JP2020204837A (ja) * | 2019-06-14 | 2020-12-24 | 鹿島建設株式会社 | 火災監視システム及び火災監視方法 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6903185A (ja) * | 1968-02-29 | 1969-09-02 | ||
DE2121382A1 (de) * | 1971-04-30 | 1972-12-21 | Preussag Ag Feuerschutz | Iomsations Feuermelder |
-
1976
- 1976-06-17 CA CA255,103A patent/CA1067597A/en not_active Expired
- 1976-06-18 GB GB25457/76A patent/GB1548282A/en not_active Expired
- 1976-06-22 BR BR7604035A patent/BR7604035A/pt unknown
- 1976-06-22 JP JP51073759A patent/JPS527287A/ja active Pending
- 1976-06-22 AU AU15129/76A patent/AU498981B2/en not_active Expired
- 1976-06-22 AU AU15129/76A patent/AU1512976A/en not_active Expired
- 1976-06-23 FR FR7619156A patent/FR2317647A1/fr active Granted
- 1976-06-23 DE DE2628146A patent/DE2628146C2/de not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2151384A (en) * | 1983-12-13 | 1985-07-17 | Nittan Co Ltd | Environmental alarms |
Also Published As
Publication number | Publication date |
---|---|
FR2317647B1 (ja) | 1980-02-15 |
AU498981B2 (en) | 1979-03-29 |
BR7604035A (pt) | 1977-06-28 |
JPS527287A (en) | 1977-01-20 |
AU1512976A (en) | 1978-01-05 |
DE2628146C2 (de) | 1982-02-04 |
DE2628146A1 (de) | 1977-01-20 |
FR2317647A1 (fr) | 1977-02-04 |
CA1067597A (en) | 1979-12-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
PCNP | Patent ceased through non-payment of renewal fee |