CH566059A5 - - Google Patents
Info
- Publication number
- CH566059A5 CH566059A5 CH273573A CH273573A CH566059A5 CH 566059 A5 CH566059 A5 CH 566059A5 CH 273573 A CH273573 A CH 273573A CH 273573 A CH273573 A CH 273573A CH 566059 A5 CH566059 A5 CH 566059A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
- A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
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- 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
- 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
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7207812A FR2175265A5 (US06653308-20031125-C00197.png) | 1972-03-07 | 1972-03-07 | |
| FR7219006A FR2185931A6 (US06653308-20031125-C00197.png) | 1972-05-26 | 1972-05-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH566059A5 true CH566059A5 (US06653308-20031125-C00197.png) | 1975-08-29 |
Family
ID=26216960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH273573A CH566059A5 (US06653308-20031125-C00197.png) | 1972-03-07 | 1973-02-26 |
Country Status (8)
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4001800A (en) * | 1974-06-24 | 1977-01-04 | Gentex Company | Smoke detecting device |
| US4091364A (en) * | 1974-09-09 | 1978-05-23 | Unitec, Inc. | Combustion detection device |
| US4011458A (en) * | 1975-10-09 | 1977-03-08 | Pyrotector, Incorporated | Photoelectric detector with light source intensity regulation |
| US4038649A (en) * | 1975-09-16 | 1977-07-26 | Emhart Industries, Inc. | Smoke detection alarm device |
| US4025915A (en) * | 1975-10-06 | 1977-05-24 | Electro Signal Lab, Inc. | LED smoke detector circuit |
| DE2709487A1 (de) * | 1976-03-17 | 1977-09-22 | Nohmi Bosai Kogyo Co Ltd | Brandmelder |
| CH600456A5 (US06653308-20031125-C00197.png) * | 1976-12-23 | 1978-06-15 | Cerberus Ag | |
| JPS5432182U (US06653308-20031125-C00197.png) * | 1977-08-05 | 1979-03-02 | ||
| US4155653A (en) * | 1977-10-14 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Navy | Smoke-measuring transducer |
| JPS5462800A (en) * | 1977-10-28 | 1979-05-21 | Nittan Co Ltd | Light type smoke sensor having trouble detecting function |
| US4227191A (en) * | 1978-02-21 | 1980-10-07 | Samuel Raber | Light emitting smoke detector |
| US4242673A (en) * | 1978-03-13 | 1980-12-30 | American District Telegraph Company | Optical particle detector |
| US4249169A (en) * | 1979-05-18 | 1981-02-03 | Malinowski William J | Optical smoke detector |
| CH655396B (US06653308-20031125-C00197.png) * | 1981-11-11 | 1986-04-15 | ||
| US4680576A (en) * | 1982-11-29 | 1987-07-14 | Gentex Corporation | Photoelectric smoke detector and alarm system |
| US6876305B2 (en) * | 1999-12-08 | 2005-04-05 | Gentex Corporation | Compact particle sensor |
| US7564365B2 (en) * | 2002-08-23 | 2009-07-21 | Ge Security, Inc. | Smoke detector and method of detecting smoke |
| AU2003268142A1 (en) * | 2002-08-23 | 2004-03-11 | General Electric Company | Rapidly responding, false detection immune alarm signal producing smoke detector |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1828894A (en) * | 1928-10-30 | 1931-10-27 | Kidde & Co Walter | Supervisory system for detecting suspended matter in fluids |
| US2537028A (en) * | 1945-10-02 | 1951-01-09 | C O Two Fire Equipment Co | Smoke detector and signal |
| US2437071A (en) * | 1945-10-02 | 1948-03-02 | C O Two Fire Equipment Co | Multiple smoke detector |
| US3226703A (en) * | 1962-11-19 | 1965-12-28 | Sam M Finkle | Fire detecting device |
| US3409885A (en) * | 1964-03-26 | 1968-11-05 | Guardian Industries | Smoke detection apparatus |
| US3474435A (en) * | 1966-10-11 | 1969-10-21 | Vericon Inc | Vapor or particle detection devices |
| US3655289A (en) * | 1971-01-22 | 1972-04-11 | Susquehanna Corp | Opacity meter with noise suppression |
| US3727056A (en) * | 1972-03-03 | 1973-04-10 | Electro Signal Lab | Photon couplers with solid state lamps |
-
1973
- 1973-02-26 CH CH273573A patent/CH566059A5/xx not_active IP Right Cessation
- 1973-03-01 BE BE128281A patent/BE796166A/xx not_active IP Right Cessation
- 1973-03-02 GB GB1018173A patent/GB1427092A/en not_active Expired
- 1973-03-05 IT IT21178/73A patent/IT981112B/it active
- 1973-03-06 US US338480A patent/US3922655A/en not_active Expired - Lifetime
- 1973-03-06 DD DD169383A patent/DD105339A5/xx unknown
- 1973-03-06 NL NL7303147A patent/NL7303147A/xx not_active Application Discontinuation
- 1973-03-07 ES ES412391A patent/ES412391A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DD105339A5 (US06653308-20031125-C00197.png) | 1974-04-12 |
| BE796166A (fr) | 1973-07-02 |
| ES412391A1 (es) | 1976-01-16 |
| GB1427092A (en) | 1976-03-03 |
| NL7303147A (US06653308-20031125-C00197.png) | 1973-09-11 |
| IT981112B (it) | 1974-10-10 |
| US3922655A (en) | 1975-11-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |