DE3712699C2 - - Google Patents
Info
- Publication number
- DE3712699C2 DE3712699C2 DE19873712699 DE3712699A DE3712699C2 DE 3712699 C2 DE3712699 C2 DE 3712699C2 DE 19873712699 DE19873712699 DE 19873712699 DE 3712699 A DE3712699 A DE 3712699A DE 3712699 C2 DE3712699 C2 DE 3712699C2
- Authority
- DE
- Germany
- Prior art keywords
- core
- light
- measuring body
- sensor according
- rays
- 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.)
- Expired
Links
- 238000005253 cladding Methods 0.000 claims description 35
- 238000005452 bending Methods 0.000 claims description 10
- 230000008901 benefit Effects 0.000 description 15
- 238000005259 measurement Methods 0.000 description 14
- 230000007613 environmental effect Effects 0.000 description 10
- 230000005855 radiation Effects 0.000 description 8
- 239000002245 particle Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
Classifications
-
- 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
- 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
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/32—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using changes in transmittance, scattering or luminescence in optical fibres
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/24—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet
- G01L1/242—Measuring force or stress, in general by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis using infrared, visible light, ultraviolet the material being an optical fibre
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/02—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means
- G01L11/025—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by optical means using a pressure-sensitive optical fibre
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873712699 DE3712699A1 (de) | 1987-04-14 | 1987-04-14 | Sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19873712699 DE3712699A1 (de) | 1987-04-14 | 1987-04-14 | Sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3712699A1 DE3712699A1 (de) | 1988-11-03 |
| DE3712699C2 true DE3712699C2 (fr) | 1989-03-09 |
Family
ID=6325632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19873712699 Granted DE3712699A1 (de) | 1987-04-14 | 1987-04-14 | Sensor |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3712699A1 (fr) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4423104A1 (de) * | 1994-07-01 | 1996-01-04 | Leon Helma Christina | Druckempfindliche Sensorvorrichtung mit Lichtwellenleiter |
| US10875318B1 (en) | 2018-12-03 | 2020-12-29 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US10894423B2 (en) | 2018-12-03 | 2021-01-19 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11250146B2 (en) | 2018-12-03 | 2022-02-15 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11338586B2 (en) | 2018-12-03 | 2022-05-24 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11364716B2 (en) | 2018-12-03 | 2022-06-21 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11366913B2 (en) | 2018-12-03 | 2022-06-21 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11429554B2 (en) | 2018-12-03 | 2022-08-30 | Hewlett-Packard Development Company, L.P. | Logic circuitry package accessible for a time period duration while disregarding inter-integrated circuitry traffic |
| US11479047B2 (en) | 2018-12-03 | 2022-10-25 | Hewlett-Packard Development Company, L.P. | Print liquid supply units |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE377549T1 (de) * | 1989-01-03 | 1990-11-08 | Marcos Y. Southbridge Mass. Kleinerman | Fernmessung physikalischer variablen mit faseroptischen systemen. |
| DE102008055486A1 (de) | 2008-12-05 | 2010-06-24 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Optische Messanordnung und optisches Messverfahren |
| DE102016011888A1 (de) | 2016-10-05 | 2018-04-05 | Johannes Ehrhardt | Ultraschall-sensorgestütztes Verfahren zur zentralen digitalisierten Aggregation von Informationen über den verbleibenden freien physischen Platz in dezentral verteilten, abgeschlossenen Behältnissen (Container, LKW Laderäume, Lagerräume, etc.) |
| EP3687820B1 (fr) | 2018-12-03 | 2022-03-23 | Hewlett-Packard Development Company, L.P. | Circuit logique |
| WO2021080607A1 (fr) | 2019-10-25 | 2021-04-29 | Hewlett-Packard Development Company, L.P. | Boîtier de circuit logique |
| CA3121459A1 (fr) | 2018-12-03 | 2020-06-11 | Hewlett-Packard Development Company, L.P. | Boitier de circuit logique |
| BR112021019882A2 (pt) * | 2019-04-05 | 2021-12-07 | Hewlett Packard Development Co | Sensor de propriedade de fluido |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3247659A1 (de) * | 1982-12-23 | 1984-06-28 | Wolfgang Dr. 7000 Stuttgart Ruhrmann | Optischer sensor |
-
1987
- 1987-04-14 DE DE19873712699 patent/DE3712699A1/de active Granted
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4423104A1 (de) * | 1994-07-01 | 1996-01-04 | Leon Helma Christina | Druckempfindliche Sensorvorrichtung mit Lichtwellenleiter |
| US10875318B1 (en) | 2018-12-03 | 2020-12-29 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US10894423B2 (en) | 2018-12-03 | 2021-01-19 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US10940693B1 (en) | 2018-12-03 | 2021-03-09 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11034157B2 (en) | 2018-12-03 | 2021-06-15 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11250146B2 (en) | 2018-12-03 | 2022-02-15 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11298950B2 (en) | 2018-12-03 | 2022-04-12 | Hewlett-Packard Development Company, L.P. | Print liquid supply units |
| US11318751B2 (en) | 2018-12-03 | 2022-05-03 | Hewlett-Packard Development Company, L.P. | Sensor circuitry |
| US11331925B2 (en) | 2018-12-03 | 2022-05-17 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11338586B2 (en) | 2018-12-03 | 2022-05-24 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11364716B2 (en) | 2018-12-03 | 2022-06-21 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11366913B2 (en) | 2018-12-03 | 2022-06-21 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11429554B2 (en) | 2018-12-03 | 2022-08-30 | Hewlett-Packard Development Company, L.P. | Logic circuitry package accessible for a time period duration while disregarding inter-integrated circuitry traffic |
| US11427010B2 (en) | 2018-12-03 | 2022-08-30 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11479046B2 (en) | 2018-12-03 | 2022-10-25 | Hewlett-Packard Development Company, L.P. | Logic circuitry for sensor data communications |
| US11479047B2 (en) | 2018-12-03 | 2022-10-25 | Hewlett-Packard Development Company, L.P. | Print liquid supply units |
| US11625493B2 (en) | 2018-12-03 | 2023-04-11 | Hewlett-Packard Development Company, L.P. | Logic circuitry |
| US11787194B2 (en) | 2018-12-03 | 2023-10-17 | Hewlett-Packard Development Company, L.P. | Sealed interconnects |
Also Published As
| Publication number | Publication date |
|---|---|
| DE3712699A1 (de) | 1988-11-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |