GB2208931B - Mechanical oscilattor - Google Patents
Mechanical oscilattorInfo
- Publication number
- GB2208931B GB2208931B GB8719591A GB8719591A GB2208931B GB 2208931 B GB2208931 B GB 2208931B GB 8719591 A GB8719591 A GB 8719591A GB 8719591 A GB8719591 A GB 8719591A GB 2208931 B GB2208931 B GB 2208931B
- Authority
- GB
- United Kingdom
- Prior art keywords
- oscilattor
- mechanical
- mechanical oscilattor
- 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
Classifications
-
- 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
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
- G01L1/183—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material by measuring variations of frequency of vibrating piezo-resistive material
- G01L1/186—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material by measuring variations of frequency of vibrating piezo-resistive material optical excitation or measuring of vibrations
-
- 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
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
- G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optical Integrated Circuits (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8719591A GB2208931B (en) | 1987-08-19 | 1987-08-19 | Mechanical oscilattor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8719591A GB2208931B (en) | 1987-08-19 | 1987-08-19 | Mechanical oscilattor |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8719591D0 GB8719591D0 (en) | 1987-09-23 |
GB2208931A GB2208931A (en) | 1989-04-19 |
GB2208931B true GB2208931B (en) | 1991-06-26 |
Family
ID=10622496
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8719591A Expired - Fee Related GB2208931B (en) | 1987-08-19 | 1987-08-19 | Mechanical oscilattor |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2208931B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4972076A (en) * | 1988-09-29 | 1990-11-20 | Schlumberger Industries Limited | Solid state sensor with dual resonant vibratable members |
EP0419021A3 (en) * | 1989-08-30 | 1991-10-09 | Schlumberger Industries Limited | Sensors with vibrating elements |
GB2235773B (en) * | 1989-08-30 | 1993-12-22 | Schlumberger Ind Ltd | Sensors |
FR2729232A1 (en) * | 1995-01-10 | 1996-07-12 | Commissariat Energie Atomique | OPTICAL DEVICE FOR OPTOMECHANICAL APPLICATION |
FR2792410B1 (en) * | 1999-04-14 | 2001-06-22 | Schlumberger Services Petrol | MANOMETER PRESSURE MEASUREMENT METHOD WITH RESONANT ELEMENT |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2146120A (en) * | 1983-09-03 | 1985-04-11 | Gen Electric Co Plc | Photoacoustic force sensor |
GB2161931A (en) * | 1984-07-17 | 1986-01-22 | Stc Plc | Remote sensor systems |
GB2182433A (en) * | 1985-11-02 | 1987-05-13 | Stc Plc | Remote sensor |
GB2185106A (en) * | 1985-12-13 | 1987-07-08 | Gen Electric Co Plc | An optically-driven vibrating sensor |
-
1987
- 1987-08-19 GB GB8719591A patent/GB2208931B/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2146120A (en) * | 1983-09-03 | 1985-04-11 | Gen Electric Co Plc | Photoacoustic force sensor |
GB2161931A (en) * | 1984-07-17 | 1986-01-22 | Stc Plc | Remote sensor systems |
GB2182433A (en) * | 1985-11-02 | 1987-05-13 | Stc Plc | Remote sensor |
GB2185106A (en) * | 1985-12-13 | 1987-07-08 | Gen Electric Co Plc | An optically-driven vibrating sensor |
Also Published As
Publication number | Publication date |
---|---|
GB2208931A (en) | 1989-04-19 |
GB8719591D0 (en) | 1987-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |