IT1208241B - Metodo per la misurazione della trasmissione della luce ed apparecchio per l attuazione del metodo - Google Patents
Metodo per la misurazione della trasmissione della luce ed apparecchio per l attuazione del metodoInfo
- Publication number
- IT1208241B IT1208241B IT8712414A IT1241487A IT1208241B IT 1208241 B IT1208241 B IT 1208241B IT 8712414 A IT8712414 A IT 8712414A IT 1241487 A IT1241487 A IT 1241487A IT 1208241 B IT1208241 B IT 1208241B
- Authority
- IT
- Italy
- Prior art keywords
- implementing
- light transmission
- measuring light
- measuring
- transmission
- Prior art date
Links
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
- G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- 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
- G01N21/55—Specular reflectivity
- G01N21/552—Attenuated total reflection
-
- 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
- G01N21/59—Transmissivity
-
- 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
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/94—Investigating contamination, e.g. dust
-
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/155—Monitoring cleanness of window, lens, or other parts
- G01N2021/157—Monitoring by optical means
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)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FI860499A FI75669C (fi) | 1986-02-04 | 1986-02-04 | Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| IT8712414A0 IT8712414A0 (it) | 1987-02-04 |
| IT1208241B true IT1208241B (it) | 1989-06-12 |
Family
ID=8522084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT8712414A IT1208241B (it) | 1986-02-04 | 1987-02-04 | Metodo per la misurazione della trasmissione della luce ed apparecchio per l attuazione del metodo |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4794266A (it) |
| JP (1) | JPS62247230A (it) |
| AU (1) | AU591961B2 (it) |
| BR (1) | BR8700479A (it) |
| CA (1) | CA1294148C (it) |
| DE (1) | DE3703180A1 (it) |
| FI (1) | FI75669C (it) |
| FR (1) | FR2593912B1 (it) |
| GB (1) | GB2186077B (it) |
| IT (1) | IT1208241B (it) |
| SE (1) | SE466717B (it) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI75669C (fi) * | 1986-02-04 | 1988-07-11 | Vaisala Oy | Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. |
| JPS63200108A (ja) * | 1987-02-10 | 1988-08-18 | シレイ・インコーポレーテッド | 複数の経路を用いた光学システム |
| JPH0228541A (ja) * | 1988-07-19 | 1990-01-30 | Meidensha Corp | 光式濃度検出装置 |
| US4962746A (en) * | 1988-11-23 | 1990-10-16 | Ngk Spark Plug Co., Ltd. | Mixing liquid ratio detector device |
| JPH02281132A (ja) * | 1989-04-21 | 1990-11-16 | Matsushita Electric Ind Co Ltd | 汚れ検出器 |
| DE59505713D1 (de) * | 1995-05-31 | 1999-05-27 | Jenoptik Jena Gmbh | Vorrichtung und Verfahren zur Kompensation der Scheibenverschmutzung bei Sichtweitenmessgeräten |
| AU2003900377A0 (en) * | 2003-01-30 | 2003-02-13 | Commonwealth Scientific And Industrial Research Organisation | Optical assembly |
| EP1596185B1 (en) * | 2004-05-10 | 2006-12-27 | C.R.F. Società Consortile per Azioni | Visibility measuring system and method |
| FR2873073B1 (fr) * | 2004-07-15 | 2007-12-07 | Valeo Securite Habitacle Sas | Systeme de commande pour vehicule |
| GB0515157D0 (en) * | 2005-07-23 | 2005-08-31 | Univ Belfast | Light measurement method and apparatus |
| PL219266B1 (pl) * | 2010-12-30 | 2015-04-30 | Przemysłowy Inst Masz Rolniczych | Sposób monitorowania oprysku agrotechnicznego polegający na wykrywaniu w atmosferze obecności substancji chemicznych w postaci wodnych aerozoli i układ do stosowania tego sposobu |
| WO2015095861A1 (en) | 2013-12-20 | 2015-06-25 | Zolo Technologies, Inc. | Method and apparatus for monitoring port blockage for tdlas measurements in harsh environments |
| CN104198443B (zh) * | 2014-09-02 | 2016-08-24 | 四川鼎林信息技术有限公司 | 能见度标校系统对产品机的标校方法 |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3308709A (en) * | 1963-06-12 | 1967-03-14 | Philips Corp | Multiple reflection optical device |
| DE1247688B (de) * | 1965-04-03 | 1967-08-17 | Visomat Geraete G M B H | Truebungsmesser, insbesondere Rauchdichtemesser |
| DE1755074B1 (de) * | 1968-03-27 | 1970-09-10 | Eltro Gmbh | Anzeigevorrichtung fuer das Verschmutzen und Beschlagen von Fenstern |
| DE2135611C2 (de) * | 1971-07-16 | 1975-02-06 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Modenkoppler für Peilsysteme |
| JPS4886584A (it) * | 1972-02-18 | 1973-11-15 | ||
| DE2223230C3 (de) * | 1972-05-12 | 1975-04-30 | Eltro Gmbh Gesellschaft Fuer Strahlungstechnik, 6900 Heidelberg | Verfahren zur Überwachung der Durchlässigkeit der Atmosphäre |
| NL7413683A (nl) * | 1973-10-29 | 1975-05-02 | Gerhard Karl | Ruitvervuilingsdetectieinrichting. |
| JPS5220282B2 (it) * | 1973-12-13 | 1977-06-02 | ||
| US3872315A (en) * | 1973-12-21 | 1975-03-18 | Babcock & Wilcox Co | Radiation sensitive fluid analyzer |
| DE2420594A1 (de) * | 1974-04-27 | 1975-11-06 | Bernd Ing Grad Korndoerfer | Vollautomatische scheibenwischersteuerung fuer kraftfahrzeuge |
| US4040749A (en) * | 1975-02-05 | 1977-08-09 | Monsanto Research Corporation | Organic vapor detection with liquid crystals |
| US3976891A (en) * | 1975-02-18 | 1976-08-24 | Electra-Tronics, Inc. | Photoelectric detector for smoke or the like |
| DE3206427A1 (de) * | 1982-02-23 | 1983-09-01 | Siemens AG, 1000 Berlin und 8000 München | Messeinrichtung fuer die optische gasanalyse |
| CA1201299A (en) * | 1982-11-29 | 1986-03-04 | Albert Brunsting | Optical readhead |
| US4676638A (en) * | 1983-03-31 | 1987-06-30 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Light-transmissible foreign object sensor |
| DE3344387A1 (de) * | 1983-12-08 | 1985-06-20 | Hoechst Ag, 6230 Frankfurt | Photometerkopf fuer kleine messvolumina |
| FI75669C (fi) * | 1986-02-04 | 1988-07-11 | Vaisala Oy | Foerfarande foer maetning av transmission av ljus och apparatur foer tillaempning av foerfarandet. |
-
1986
- 1986-02-04 FI FI860499A patent/FI75669C/fi not_active IP Right Cessation
-
1987
- 1987-01-27 AU AU68035/87A patent/AU591961B2/en not_active Ceased
- 1987-01-28 CA CA000528378A patent/CA1294148C/en not_active Expired - Fee Related
- 1987-02-03 SE SE8700407A patent/SE466717B/sv not_active IP Right Cessation
- 1987-02-03 JP JP62021920A patent/JPS62247230A/ja active Pending
- 1987-02-03 BR BR8700479A patent/BR8700479A/pt not_active IP Right Cessation
- 1987-02-03 GB GB8702388A patent/GB2186077B/en not_active Expired
- 1987-02-03 DE DE19873703180 patent/DE3703180A1/de not_active Ceased
- 1987-02-04 US US07/010,766 patent/US4794266A/en not_active Expired - Fee Related
- 1987-02-04 FR FR878701356A patent/FR2593912B1/fr not_active Expired - Lifetime
- 1987-02-04 IT IT8712414A patent/IT1208241B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| US4794266A (en) | 1988-12-27 |
| SE8700407L (sv) | 1987-08-05 |
| CA1294148C (en) | 1992-01-14 |
| GB2186077A (en) | 1987-08-05 |
| FR2593912B1 (fr) | 1992-01-03 |
| FI75669C (fi) | 1988-07-11 |
| GB8702388D0 (en) | 1987-03-11 |
| FI860499A0 (fi) | 1986-02-04 |
| AU591961B2 (en) | 1989-12-21 |
| DE3703180A1 (de) | 1987-08-06 |
| SE8700407D0 (sv) | 1987-02-03 |
| GB2186077B (en) | 1989-10-25 |
| JPS62247230A (ja) | 1987-10-28 |
| AU6803587A (en) | 1987-08-06 |
| BR8700479A (pt) | 1987-12-08 |
| SE466717B (sv) | 1992-03-23 |
| FR2593912A1 (fr) | 1987-08-07 |
| FI75669B (fi) | 1988-03-31 |
| IT8712414A0 (it) | 1987-02-04 |
| FI860499A (fi) | 1987-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970224 |