JPS5624898B2 - - Google Patents
Info
- Publication number
- JPS5624898B2 JPS5624898B2 JP14107775A JP14107775A JPS5624898B2 JP S5624898 B2 JPS5624898 B2 JP S5624898B2 JP 14107775 A JP14107775 A JP 14107775A JP 14107775 A JP14107775 A JP 14107775A JP S5624898 B2 JPS5624898 B2 JP S5624898B2
- Authority
- JP
- Japan
- 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
- G08B17/103—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
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (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 (2)
| Publication Number | Publication Date |
|---|---|
| JPS5177386A JPS5177386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-05 |
| JPS5624898B2 true JPS5624898B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-06-09 |
Family
ID=27062456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14107775A Expired JPS5624898B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-27 | 1975-11-25 |
Country Status (10)
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 |
| EP0014265B1 (de) * | 1979-02-01 | 1983-06-15 | BBC Aktiengesellschaft Brown, Boveri & Cie. | Photoelektrische Vorrichtung zur Flammen- und Rauchgasüberwachung |
| US4306230A (en) * | 1979-12-10 | 1981-12-15 | Honeywell Inc. | Self-checking photoelectric smoke detector |
| JPH02123691U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1989-03-23 | 1990-10-11 | ||
| ATE496515T1 (de) | 2005-10-19 | 2011-02-15 | Koninkl Philips Electronics Nv | Farbbeleuchtungsvorrichtung |
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 AU AU86705/75A patent/AU497359B2/en not_active Expired
- 1975-11-18 CA CA239,985A patent/CA1052887A/en not_active Expired
- 1975-11-25 FR FR7536011A patent/FR2292975A1/fr active Granted
- 1975-11-25 JP JP14107775A patent/JPS5624898B2/ja not_active Expired
- 1975-11-25 CH CH1525075A patent/CH604299A5/xx not_active IP Right Cessation
- 1975-11-26 SE SE7513301A patent/SE406657B/xx unknown
- 1975-11-26 IT IT29655/75A patent/IT1054912B/it active
- 1975-11-26 GB GB48613/75A patent/GB1529473A/en not_active Expired
- 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 |
|---|---|
| CA1052887A (en) | 1979-04-17 |
| DE2553339A1 (de) | 1976-08-12 |
| FR2292975B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-09-18 |
| GB1529473A (en) | 1978-10-18 |
| BR7507896A (pt) | 1976-08-10 |
| CH604299A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-09-15 |
| FR2292975A1 (fr) | 1976-06-25 |
| IT1054912B (it) | 1981-11-30 |
| SE406657B (sv) | 1979-02-19 |
| AU8670575A (en) | 1977-05-26 |
| SE7513301L (sv) | 1976-05-28 |
| JPS5177386A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1976-07-05 |
| AU497359B2 (en) | 1978-12-07 |