CH604299A5 - - Google Patents
Info
- Publication number
- CH604299A5 CH604299A5 CH1525075A CH1525075A CH604299A5 CH 604299 A5 CH604299 A5 CH 604299A5 CH 1525075 A CH1525075 A CH 1525075A CH 1525075 A CH1525075 A CH 1525075A CH 604299 A5 CH604299 A5 CH 604299A5
- Authority
- CH
- Switzerland
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
- G08B17/103—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
- 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
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. 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)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Emergency Alarm Devices (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52758974A | 1974-11-27 | 1974-11-27 | |
| US05/621,085 US4011458A (en) | 1975-10-09 | 1975-10-09 | Photoelectric detector with light source intensity regulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH604299A5 true CH604299A5 (xx) | 1978-09-15 |
Family
ID=27062456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1525075A CH604299A5 (xx) | 1974-11-27 | 1975-11-25 |
Country Status (10)
| Country | Link |
|---|---|
| JP (1) | JPS5624898B2 (xx) |
| AU (1) | AU497359B2 (xx) |
| BR (1) | BR7507896A (xx) |
| CA (1) | CA1052887A (xx) |
| CH (1) | CH604299A5 (xx) |
| DE (1) | DE2553339A1 (xx) |
| FR (1) | FR2292975A1 (xx) |
| GB (1) | GB1529473A (xx) |
| IT (1) | IT1054912B (xx) |
| SE (1) | SE406657B (xx) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53102085A (en) * | 1977-02-18 | 1978-09-06 | Mochida Pharm Co Ltd | Instrument for measuring amount of bilirubin |
| DE2965650D1 (en) * | 1979-02-01 | 1983-07-21 | Bbc Brown Boveri & Cie | Photoelectric system for monitoring flames and fumes |
| US4306230A (en) * | 1979-12-10 | 1981-12-15 | Honeywell Inc. | Self-checking photoelectric smoke detector |
| JPH02123691U (xx) * | 1989-03-23 | 1990-10-11 | ||
| JP2009513011A (ja) | 2005-10-19 | 2009-03-26 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | カラー照明デバイス |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1164793A (en) * | 1966-04-05 | 1969-09-24 | Photain Controls Ltd | Photo-electric Detection Devices |
| US3461443A (en) * | 1966-11-07 | 1969-08-12 | Alfred W Vasel | Smoke detector with means indicating the failure of the light source |
| GB1222351A (en) * | 1966-12-07 | 1971-02-10 | Derek Charles Adams | Improvements in or relating to fire-detection apparatus |
| GB1278205A (en) * | 1970-02-11 | 1972-06-21 | Shorrock Develpoments Ltd | Smoke detecting device |
| US3736431A (en) * | 1971-04-30 | 1973-05-29 | Mobil Oil Corp | System for monitoring a fluid stream |
-
1975
- 1975-11-18 CA CA239,985A patent/CA1052887A/en not_active Expired
- 1975-11-18 AU AU86705/75A patent/AU497359B2/en not_active Expired
- 1975-11-25 FR FR7536011A patent/FR2292975A1/fr active Granted
- 1975-11-25 CH CH1525075A patent/CH604299A5/xx not_active IP Right Cessation
- 1975-11-25 JP JP14107775A patent/JPS5624898B2/ja not_active Expired
- 1975-11-26 SE SE7513301A patent/SE406657B/xx unknown
- 1975-11-26 GB GB48613/75A patent/GB1529473A/en not_active Expired
- 1975-11-26 IT IT29655/75A patent/IT1054912B/it active
- 1975-11-27 BR BR7507896*A patent/BR7507896A/pt unknown
- 1975-11-27 DE DE19752553339 patent/DE2553339A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2292975A1 (fr) | 1976-06-25 |
| SE7513301L (sv) | 1976-05-28 |
| GB1529473A (en) | 1978-10-18 |
| JPS5624898B2 (xx) | 1981-06-09 |
| IT1054912B (it) | 1981-11-30 |
| CA1052887A (en) | 1979-04-17 |
| SE406657B (sv) | 1979-02-19 |
| BR7507896A (pt) | 1976-08-10 |
| AU8670575A (en) | 1977-05-26 |
| AU497359B2 (en) | 1978-12-07 |
| FR2292975B1 (xx) | 1981-09-18 |
| DE2553339A1 (de) | 1976-08-12 |
| JPS5177386A (xx) | 1976-07-05 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: PYROTECTOR INCORPORATED |
|
| PL | Patent ceased |