IT1026129B - Perfezionamento negli analizza tori di fluido - Google Patents
Perfezionamento negli analizza tori di fluidoInfo
- Publication number
- IT1026129B IT1026129B IT54716/74A IT5471674A IT1026129B IT 1026129 B IT1026129 B IT 1026129B IT 54716/74 A IT54716/74 A IT 54716/74A IT 5471674 A IT5471674 A IT 5471674A IT 1026129 B IT1026129 B IT 1026129B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- fluid analyzers
- analyzers
- fluid
- Prior art date
Links
- 239000012530 fluid Substances 0.000 title 1
Classifications
-
- 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
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US427108A US3872315A (en) | 1973-12-21 | 1973-12-21 | Radiation sensitive fluid analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1026129B true IT1026129B (it) | 1978-09-20 |
Family
ID=23693520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT54716/74A IT1026129B (it) | 1973-12-21 | 1974-12-20 | Perfezionamento negli analizza tori di fluido |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3872315A (enrdf_load_stackoverflow) |
| JP (1) | JPS5847657B2 (enrdf_load_stackoverflow) |
| CA (1) | CA1017165A (enrdf_load_stackoverflow) |
| DE (1) | DE2460434A1 (enrdf_load_stackoverflow) |
| ES (1) | ES433194A1 (enrdf_load_stackoverflow) |
| FR (1) | FR2255594B1 (enrdf_load_stackoverflow) |
| GB (1) | GB1485428A (enrdf_load_stackoverflow) |
| IT (1) | IT1026129B (enrdf_load_stackoverflow) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH561942A5 (enrdf_load_stackoverflow) * | 1974-03-08 | 1975-05-15 | Cerberus Ag | |
| GB1556029A (en) * | 1976-10-29 | 1979-11-14 | Standard Telephones Cables Ltd | Oil in water detection |
| JPS5631625A (en) * | 1979-08-24 | 1981-03-31 | Hochiki Corp | Smoke detector of photoelectronic type |
| GB2097529B (en) * | 1981-04-28 | 1984-09-19 | Itt Ind Ltd | Detecting oil in water |
| US4560874A (en) * | 1981-06-02 | 1985-12-24 | Santa Barbara Research Center | Reference channel for sensing optical contamination |
| DE3477514D1 (en) * | 1983-07-22 | 1989-05-03 | Oki Electric Ind Co Ltd | Apparatus for measuring optical transmission factor |
| US4647777A (en) * | 1985-05-31 | 1987-03-03 | Ametrek, Inc. | Selective gas detector |
| FI75669C (fi) * | 1986-02-04 | 1988-07-11 | Vaisala Oy | Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. |
| JPH0765963B2 (ja) * | 1986-04-07 | 1995-07-19 | ホーチキ株式会社 | 減光式煙感知器 |
| US4759631A (en) * | 1986-09-29 | 1988-07-26 | Circuits And Systems, Inc. | System for transmission loss comparison |
| US4814628A (en) * | 1987-03-20 | 1989-03-21 | Precitronic Gesellschaft Fuer Feinmechanik Und Electronic Mbh | Arrangement for the transmission of laser light with reference source for backscatter obstruction detection |
| GB8711309D0 (en) * | 1987-05-13 | 1987-06-17 | Combustion Dev Ltd | Monitoring equipment |
| US5245200A (en) * | 1989-07-10 | 1993-09-14 | Fladda Gerdt H | Apparatus and method for preventing blockage of a measuring head for effecting measurements of suspended substances |
| DE69202539T2 (de) * | 1991-09-20 | 1995-11-02 | Nippon Electric Co | System zum Kalibrieren eines optischen Instruments in einem Satellit mittels einer Referenz-Lichtquelle. |
| SE508805C2 (sv) * | 1991-12-04 | 1998-11-09 | Opsis Ab | Optisk analysutrustning för gasformiga ämnen som strömmar i en kanal |
| JPH06308025A (ja) * | 1993-04-27 | 1994-11-04 | Oki Electric Ind Co Ltd | 光透過率測定装置の較正方法 |
| US6117682A (en) * | 1993-04-27 | 2000-09-12 | Dexsil Corporation | Method for detecting hydrocarbons in water |
| DE59510550D1 (de) * | 1995-05-31 | 2003-03-13 | Vaisala Impulsphysik Gmbh | Sichtweitenmessgerät |
| WO1997029358A1 (en) * | 1996-02-12 | 1997-08-14 | Shell Internationale Research Maatschappij B.V. | Self-correcting spectroscopic process analysis |
| GB2396695B (en) * | 2001-01-16 | 2005-05-04 | Teraview Ltd | Apparatus and method for investigating a sample |
| US7564365B2 (en) * | 2002-08-23 | 2009-07-21 | Ge Security, Inc. | Smoke detector and method of detecting smoke |
| DE60325254D1 (de) * | 2002-08-23 | 2009-01-22 | Gen Electric | Mmuner alarmsignalerzeugungs-rauchdetektor |
| JP6091500B2 (ja) | 2011-06-07 | 2017-03-08 | メジャメント スペシャリティーズ， インコーポレイテッド | 流体検出のための光検出装置、およびそのための方法 |
| US11176807B2 (en) * | 2019-11-22 | 2021-11-16 | Honeywell International Inc. | Unmanned system (US) for smoke detector testing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3617756A (en) * | 1968-03-26 | 1971-11-02 | Erwin Sick | Optical measuring apparatus using measuring and comparison light beams |
| GB1309551A (en) * | 1969-05-22 | 1973-03-14 | Nat Res Dev | Measurement of optical density |
| US3659946A (en) * | 1969-12-10 | 1972-05-02 | Shimadzu Corp | Automated light scattering photometer |
| US3677652A (en) * | 1971-06-15 | 1972-07-18 | Gte Sylvania Inc | Fluid analyzer apparatus |
| GB1387424A (en) * | 1971-06-29 | 1975-03-19 | Plessey Co Ltd | Measuring instruments |
-
1973
- 1973-12-21 US US427108A patent/US3872315A/en not_active Expired - Lifetime
-
1974
- 1974-10-15 CA CA211,419A patent/CA1017165A/en not_active Expired
- 1974-12-17 GB GB54369/74A patent/GB1485428A/en not_active Expired
- 1974-12-20 IT IT54716/74A patent/IT1026129B/it active
- 1974-12-20 FR FR7442172A patent/FR2255594B1/fr not_active Expired
- 1974-12-20 ES ES433194A patent/ES433194A1/es not_active Expired
- 1974-12-20 DE DE19742460434 patent/DE2460434A1/de active Pending
- 1974-12-21 JP JP49146338A patent/JPS5847657B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3872315A (en) | 1975-03-18 |
| ES433194A1 (es) | 1976-12-01 |
| JPS5098886A (enrdf_load_stackoverflow) | 1975-08-06 |
| FR2255594B1 (enrdf_load_stackoverflow) | 1978-09-29 |
| DE2460434A1 (de) | 1975-08-14 |
| CA1017165A (en) | 1977-09-13 |
| JPS5847657B2 (ja) | 1983-10-24 |
| GB1485428A (en) | 1977-09-14 |
| FR2255594A1 (enrdf_load_stackoverflow) | 1975-07-18 |
| AU7663274A (en) | 1976-06-24 |
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