FR2636744B1 - Resonateur vibrant a excitation et detection optique a usage capteur - Google Patents
Resonateur vibrant a excitation et detection optique a usage capteurInfo
- Publication number
- FR2636744B1 FR2636744B1 FR8812413A FR8812413A FR2636744B1 FR 2636744 B1 FR2636744 B1 FR 2636744B1 FR 8812413 A FR8812413 A FR 8812413A FR 8812413 A FR8812413 A FR 8812413A FR 2636744 B1 FR2636744 B1 FR 2636744B1
- Authority
- FR
- France
- Prior art keywords
- detection
- optical excitation
- sensor use
- vibrating resonator
- resonator
- 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 - Fee Related
Links
- 238000001514 detection method Methods 0.000 title 1
- 230000005284 excitation Effects 0.000 title 1
- 230000003287 optical effect Effects 0.000 title 1
Classifications
-
- 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0019—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a semiconductive element
- G01L9/002—Optical excitation or measuring
-
- 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
- G01D5/32—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 with attenuation or whole or partial obturation of beams of light
- G01D5/34—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/344—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 with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using polarisation
-
- 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of an element not provided for in the following subgroups of G01L9/0008
- G01L9/0011—Optical excitation or measuring
-
- 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
- G01L9/0023—Optical excitation or measuring
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8812413A FR2636744B1 (fr) | 1988-09-19 | 1988-09-19 | Resonateur vibrant a excitation et detection optique a usage capteur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8812413A FR2636744B1 (fr) | 1988-09-19 | 1988-09-19 | Resonateur vibrant a excitation et detection optique a usage capteur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2636744A1 FR2636744A1 (fr) | 1990-03-23 |
FR2636744B1 true FR2636744B1 (fr) | 1993-01-22 |
Family
ID=9370284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8812413A Expired - Fee Related FR2636744B1 (fr) | 1988-09-19 | 1988-09-19 | Resonateur vibrant a excitation et detection optique a usage capteur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2636744B1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5085080A (en) * | 1990-10-05 | 1992-02-04 | Micron Technology, Inc. | Temperature and pressure measuring technique using the photoacoustic effect and mechanical resonance |
US7665891B1 (en) * | 2007-09-20 | 2010-02-23 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Differential temperature sensor system and method |
CN102288362B (zh) * | 2011-05-12 | 2013-09-25 | 北京航空航天大学 | 一种振动叶片表面非定常压力测试系统及测试方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8323685D0 (en) * | 1983-09-03 | 1983-10-05 | Gen Electric Co Plc | Monitoring displacement |
US4713540A (en) * | 1985-07-16 | 1987-12-15 | The Foxboro Company | Method and apparatus for sensing a measurand |
GB2196120A (en) * | 1986-10-10 | 1988-04-20 | Gen Electric Co Plc | A resonant element force sensor in a housing affording temperature and pressure compensation |
-
1988
- 1988-09-19 FR FR8812413A patent/FR2636744B1/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
FR2636744A1 (fr) | 1990-03-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
CL | Concession to grant licenses | ||
ST | Notification of lapse |
Effective date: 20060531 |