DE3644866A1 - Sensor - Google Patents
SensorInfo
- Publication number
- DE3644866A1 DE3644866A1 DE19863644866 DE3644866A DE3644866A1 DE 3644866 A1 DE3644866 A1 DE 3644866A1 DE 19863644866 DE19863644866 DE 19863644866 DE 3644866 A DE3644866 A DE 3644866A DE 3644866 A1 DE3644866 A1 DE 3644866A1
- Authority
- DE
- Germany
- Prior art keywords
- light
- light guide
- face
- elements
- sensor according
- Prior art date
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 18
- 238000011156 evaluation Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 230000004323 axial length Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 description 31
- 230000008901 benefit Effects 0.000 description 15
- 239000003792 electrolyte Substances 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000013307 optical fiber Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- 239000000382 optic material Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 238000011002 quantification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 238000012549 training Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/262—Optical details of coupling light into, or out of, or between fibre ends, e.g. special fibre end shapes or associated optical elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/268—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light using optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- 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
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
- G01N21/431—Dip refractometers, e.g. using optical fibres
-
- 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
- G01N21/5907—Densitometers
- G01N2021/5957—Densitometers using an image detector type detector, e.g. CCD
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863644866 DE3644866A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
| DE19863629966 DE3629966A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19863644866 DE3644866A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
| DE19863629966 DE3629966A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3644866A1 true DE3644866A1 (de) | 1988-03-17 |
| DE3644866C2 DE3644866C2 (enExample) | 1988-06-16 |
Family
ID=25847166
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863644866 Granted DE3644866A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
| DE19863629966 Granted DE3629966A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19863629966 Granted DE3629966A1 (de) | 1986-09-03 | 1986-09-03 | Sensor |
Country Status (1)
| Country | Link |
|---|---|
| DE (2) | DE3644866A1 (enExample) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781575A1 (fr) * | 1998-07-27 | 2000-01-28 | Valeo Systemes Dessuyage | Dispositif de detection d'un liquide sur la surface d'une plaque transparente |
| FR2781576A1 (fr) * | 1998-07-27 | 2000-01-28 | Valeo Systemes Dessuyage | Dispositif de detection de salissures sur la surface d'une plaque transparente |
| EP1450141A1 (en) * | 2003-02-11 | 2004-08-25 | Jean-Sébastien Dubuisson | Liquid level detector |
| DE102008055486A1 (de) | 2008-12-05 | 2010-06-24 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Optische Messanordnung und optisches Messverfahren |
| US12431604B2 (en) | 2022-12-30 | 2025-09-30 | Endress+Hauser Optical Analysis, Inc. | Waveguide and electromagnetic spectrometer |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3920133A1 (de) * | 1989-06-20 | 1991-01-03 | Siemens Ag | Optischer sensor zur untersuchung der lage und/oder der kontur eines objekts |
| DE3939573A1 (de) * | 1989-11-30 | 1991-06-06 | Baldur Dr Ing Barczewski | Sensor zur messung von kraeften und hieraus ableitbaren physikalischen groessen |
| DE19504714B4 (de) * | 1995-02-14 | 2006-08-24 | Daimlerchrysler Ag | Verfahren und Vorrichtung zur Überwachung einer Zustandsgröße eines Leistungsschalters |
| DE19936288A1 (de) * | 1999-08-02 | 2001-02-15 | Karl F Massholder | Verfahren zum Messen des Füllstandes in einem Behälter |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2034344A1 (de) * | 1970-07-10 | 1972-01-13 | Ulrich H | Einrichtung zur Messung physikalischer Großen durch Messung der Intensität eines Lichtstrahlenbundels |
| DE2155049A1 (de) * | 1970-11-06 | 1972-05-10 | Compteurs Comp D | Optische Vergleichsvorrichtung mit optischen Fasern |
| DE2244433A1 (de) * | 1972-09-06 | 1974-03-14 | Licentia Gmbh | Anordnung zur fotoelektrischen bestimmung der abmessung eines objektes |
| DE3247659A1 (de) * | 1982-12-23 | 1984-06-28 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | Optischer sensor |
| DE3403887A1 (de) * | 1984-02-04 | 1985-08-08 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | Sensor |
| DE3428453A1 (de) * | 1984-08-01 | 1986-02-13 | Siemens AG, 1000 Berlin und 8000 München | Sensoreinrichtung |
| DE3433343C2 (enExample) * | 1984-09-11 | 1989-09-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De |
-
1986
- 1986-09-03 DE DE19863644866 patent/DE3644866A1/de active Granted
- 1986-09-03 DE DE19863629966 patent/DE3629966A1/de active Granted
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2034344A1 (de) * | 1970-07-10 | 1972-01-13 | Ulrich H | Einrichtung zur Messung physikalischer Großen durch Messung der Intensität eines Lichtstrahlenbundels |
| DE2155049A1 (de) * | 1970-11-06 | 1972-05-10 | Compteurs Comp D | Optische Vergleichsvorrichtung mit optischen Fasern |
| DE2244433A1 (de) * | 1972-09-06 | 1974-03-14 | Licentia Gmbh | Anordnung zur fotoelektrischen bestimmung der abmessung eines objektes |
| DE3247659A1 (de) * | 1982-12-23 | 1984-06-28 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | Optischer sensor |
| DE3403887A1 (de) * | 1984-02-04 | 1985-08-08 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | Sensor |
| DE3428453A1 (de) * | 1984-08-01 | 1986-02-13 | Siemens AG, 1000 Berlin und 8000 München | Sensoreinrichtung |
| DE3433343C2 (enExample) * | 1984-09-11 | 1989-09-14 | Siemens Ag, 1000 Berlin Und 8000 Muenchen, De |
Non-Patent Citations (1)
| Title |
|---|
| JP-Abstract 55-53878A * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2781575A1 (fr) * | 1998-07-27 | 2000-01-28 | Valeo Systemes Dessuyage | Dispositif de detection d'un liquide sur la surface d'une plaque transparente |
| FR2781576A1 (fr) * | 1998-07-27 | 2000-01-28 | Valeo Systemes Dessuyage | Dispositif de detection de salissures sur la surface d'une plaque transparente |
| EP1450141A1 (en) * | 2003-02-11 | 2004-08-25 | Jean-Sébastien Dubuisson | Liquid level detector |
| DE102008055486A1 (de) | 2008-12-05 | 2010-06-24 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Optische Messanordnung und optisches Messverfahren |
| US12431604B2 (en) | 2022-12-30 | 2025-09-30 | Endress+Hauser Optical Analysis, Inc. | Waveguide and electromagnetic spectrometer |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3644866C2 (enExample) | 1988-06-16 |
| DE3629966A1 (de) | 1988-03-17 |
| DE3629966C2 (enExample) | 1989-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| AC | Divided out of |
Ref country code: DE Ref document number: 3629966 Format of ref document f/p: P |
|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| AC | Divided out of |
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|
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| AC | Divided out of |
Ref country code: DE Ref document number: 3629966 Format of ref document f/p: P |
|
| 8339 | Ceased/non-payment of the annual fee |