CA1130108A - Electrooptic instruments - Google Patents
Electrooptic instrumentsInfo
- Publication number
- CA1130108A CA1130108A CA341,252A CA341252A CA1130108A CA 1130108 A CA1130108 A CA 1130108A CA 341252 A CA341252 A CA 341252A CA 1130108 A CA1130108 A CA 1130108A
- Authority
- CA
- Canada
- Prior art keywords
- oscillator
- signal
- optical
- source
- waveguide
- 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
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 230000005855 radiation Effects 0.000 claims abstract description 28
- 230000010363 phase shift Effects 0.000 claims abstract 5
- 239000000835 fiber Substances 0.000 claims description 19
- 238000002839 fiber optic waveguide Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000003321 amplification Effects 0.000 claims 2
- 238000003199 nucleic acid amplification method Methods 0.000 claims 2
- 230000035559 beat frequency Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 description 18
- 238000010586 diagram Methods 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 6
- 230000002596 correlated effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000000875 corresponding effect Effects 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000725101 Clea Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000005291 magnetic effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/37—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes
- G01F1/372—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of communicating tubes or reservoirs with movable fluid levels, e.g. by U-tubes with electrical or electro-mechanical indication
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/46—Pitot tubes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K5/00—Measuring temperature based on the expansion or contraction of a material
- G01K5/02—Measuring temperature based on the expansion or contraction of a material the material being a liquid
- G01K5/18—Measuring temperature based on the expansion or contraction of a material the material being a liquid with electric conversion means for final indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0033—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means
- G01L9/0039—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means using photoelectric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0091—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means
- G01L9/0097—Transmitting or indicating the displacement of liquid mediums by electrical, electromechanical, magnetic or electromagnetic means using photoelectric means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Measuring Fluid Pressure (AREA)
- Optical Transform (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Level Indicators Using A Float (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US96894878A | 1978-12-13 | 1978-12-13 | |
| US968,948 | 1978-12-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1130108A true CA1130108A (en) | 1982-08-24 |
Family
ID=25514975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA341,252A Expired CA1130108A (en) | 1978-12-13 | 1979-12-05 | Electrooptic instruments |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5582917A (it) |
| CA (1) | CA1130108A (it) |
| DE (1) | DE2950209A1 (it) |
| FR (1) | FR2444258A1 (it) |
| GB (1) | GB2040131A (it) |
| IL (1) | IL58895A0 (it) |
| IT (1) | IT1127732B (it) |
| SE (1) | SE7910055L (it) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57142331U (it) * | 1981-02-27 | 1982-09-07 | ||
| EP0074055A3 (en) * | 1981-09-03 | 1984-09-12 | Honeywell Inc. | Fiber optic pressure sensor |
| DE3236360A1 (de) * | 1982-04-16 | 1983-10-20 | Brown, Boveri & Cie Ag, 6800 Mannheim | Verfahren und vorrichtung zur ueberwachung von raeumen auf an- oder abwesenheit bzw. die bewegung von objekten |
| DE3307966A1 (de) * | 1983-03-07 | 1984-09-13 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Temperatursensor |
| DE3621009A1 (de) * | 1986-06-23 | 1988-01-07 | Truetzschler & Co | Vorrichtung zur erfassung des fuellstandes in einem fasermaterialspeicher, insbesondere fuer spinnereivorbereitungsmaschinen |
| GB8928714D0 (en) * | 1989-12-20 | 1990-11-21 | Hunting Eng Ltd | Electro-optical devices |
| DE4213602A1 (de) * | 1992-04-24 | 1993-10-28 | Alexander W Dr Ing Koch | Verfahren und Vorrichtung zur Temperaturmessung |
| US7642096B2 (en) | 2004-12-20 | 2010-01-05 | Massachusetts Institute Of Technology | Liquid expansion thermometer and microcalorimeter |
| DE102011079983A1 (de) * | 2011-07-28 | 2013-01-31 | Robert Bosch Gmbh | Messeinrichtung |
| FR3044413B1 (fr) * | 2015-12-01 | 2017-12-08 | Safran | Sonde de mesure a fibres optiques |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1449293A (fr) * | 1965-10-05 | 1966-08-12 | Bolkow Gmbh | Dispositif de mesure à l'aide de rayons laser de l'altitude vraie d'un corps volant par rapport à la surface terrestre |
| DE1807237A1 (de) * | 1968-06-26 | 1970-04-23 | Jenoptik Jena Gmbh | Elektromagnetisches Streckenmessgeraet |
| GB1273676A (en) * | 1969-09-19 | 1972-05-10 | Zeiss Jena Veb Carl | Electro-magnetic distance measuring apparatus |
| FR2321116A1 (fr) * | 1975-08-13 | 1977-03-11 | Anvar | Procede de mesure de temperature et sonde pour sa mise en oeuvre |
-
1979
- 1979-12-03 GB GB7941654A patent/GB2040131A/en not_active Withdrawn
- 1979-12-05 CA CA341,252A patent/CA1130108A/en not_active Expired
- 1979-12-06 SE SE7910055A patent/SE7910055L/ not_active Application Discontinuation
- 1979-12-07 IL IL58895A patent/IL58895A0/xx unknown
- 1979-12-12 FR FR7930502A patent/FR2444258A1/fr not_active Withdrawn
- 1979-12-13 JP JP16265479A patent/JPS5582917A/ja active Pending
- 1979-12-13 DE DE19792950209 patent/DE2950209A1/de not_active Withdrawn
- 1979-12-17 IT IT28075/79A patent/IT1127732B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| IT1127732B (it) | 1986-05-21 |
| FR2444258A1 (fr) | 1980-07-11 |
| GB2040131A (en) | 1980-08-20 |
| SE7910055L (sv) | 1980-06-14 |
| IL58895A0 (en) | 1980-03-31 |
| JPS5582917A (en) | 1980-06-23 |
| DE2950209A1 (de) | 1980-06-26 |
| IT7928075A0 (it) | 1979-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |