DE1807876A1 - Vorrichtung zum Anzeigen von geringfuegigen Lageaenderungen - Google Patents
Vorrichtung zum Anzeigen von geringfuegigen LageaenderungenInfo
- Publication number
- DE1807876A1 DE1807876A1 DE19681807876 DE1807876A DE1807876A1 DE 1807876 A1 DE1807876 A1 DE 1807876A1 DE 19681807876 DE19681807876 DE 19681807876 DE 1807876 A DE1807876 A DE 1807876A DE 1807876 A1 DE1807876 A1 DE 1807876A1
- Authority
- DE
- Germany
- Prior art keywords
- changes
- mirror
- suspended
- length
- frequency
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 12
- 239000000725 suspension Substances 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 3
- 230000001133 acceleration Effects 0.000 claims description 2
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000008859 change Effects 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000005305 interferometry Methods 0.000 description 1
- 239000004579 marble Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- SYHGEUNFJIGTRX-UHFFFAOYSA-N methylenedioxypyrovalerone Chemical compound C=1C=C2OCOC2=CC=1C(=O)C(CCC)N1CCCC1 SYHGEUNFJIGTRX-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02075—Reduction or prevention of errors; Testing; Calibration of particular errors
- G01B9/02078—Caused by ambiguity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B9/00—Measuring instruments characterised by the use of optical techniques
- G01B9/02—Interferometers
- G01B9/02055—Reduction or prevention of errors; Testing; Calibration
- G01B9/02062—Active error reduction, i.e. varying with time
- G01B9/02067—Active error reduction, i.e. varying with time by electronic control systems, i.e. using feedback acting on optics or light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
- H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2290/00—Aspects of interferometers not specifically covered by any group under G01B9/02
- G01B2290/25—Fabry-Perot in interferometer, e.g. etalon, cavity
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Optics & Photonics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Lasers (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR127817 | 1967-11-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1807876A1 true DE1807876A1 (de) | 1969-07-31 |
Family
ID=8641565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681807876 Pending DE1807876A1 (de) | 1967-11-10 | 1968-11-08 | Vorrichtung zum Anzeigen von geringfuegigen Lageaenderungen |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE722797A (enrdf_load_stackoverflow) |
| DE (1) | DE1807876A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1555697A (enrdf_load_stackoverflow) |
| GB (1) | GB1243359A (enrdf_load_stackoverflow) |
| NL (1) | NL6815932A (enrdf_load_stackoverflow) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116346A1 (de) * | 1980-05-01 | 1982-03-04 | National Research Development Corp., London | Vorrichtung zum messen des tonvolumens bzw. des volumendurchflusses, insbesondere im niedrigbereich von nanolitern pro sekunde |
| DE3142164A1 (de) * | 1980-10-27 | 1982-06-16 | Rosemount Engineering Co. Ltd., Bognor Regis, Sussex | Vorrichtung zur messung von druckunterschieden |
| DE3611852A1 (de) * | 1985-04-11 | 1986-10-16 | Sharp K.K., Osaka | Druckempfindliches element |
| DE3625703A1 (de) * | 1985-07-31 | 1987-02-12 | Sharp Kk | Optische messvorrichtung |
| DE3709253A1 (de) * | 1987-03-20 | 1988-09-29 | Fraunhofer Ges Forschung | Fabry-perot-sensor |
| DE4125485A1 (de) * | 1991-08-01 | 1993-02-04 | Deutsche Aerospace | Laseroptischer sensor zur messung kleinster auslenkungen und daraus abgeleiteter messgroessen |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2538195B1 (fr) * | 1982-12-16 | 1986-10-17 | Int Standard Electric Corp | Methode et systeme de transmission optique |
| FR2640456A1 (fr) * | 1988-12-13 | 1990-06-15 | Science Tec | Microphone a detection interferometrique de pression acoustique |
| US7583390B2 (en) | 2006-03-02 | 2009-09-01 | Symphony Acoustics, Inc. | Accelerometer comprising an optically resonant cavity |
| US7355723B2 (en) * | 2006-03-02 | 2008-04-08 | Symphony Acoustics, Inc. | Apparatus comprising a high-signal-to-noise displacement sensor and method therefore |
| CN102833661B (zh) * | 2012-08-15 | 2016-08-03 | 温州泛波激光有限公司 | 一种激光麦克风 |
-
1967
- 1967-11-10 FR FR127817A patent/FR1555697A/fr not_active Expired
-
1968
- 1968-10-24 BE BE722797D patent/BE722797A/xx unknown
- 1968-11-08 NL NL6815932A patent/NL6815932A/xx unknown
- 1968-11-08 DE DE19681807876 patent/DE1807876A1/de active Pending
- 1968-11-08 GB GB5316468A patent/GB1243359A/en not_active Expired
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116346A1 (de) * | 1980-05-01 | 1982-03-04 | National Research Development Corp., London | Vorrichtung zum messen des tonvolumens bzw. des volumendurchflusses, insbesondere im niedrigbereich von nanolitern pro sekunde |
| DE3142164A1 (de) * | 1980-10-27 | 1982-06-16 | Rosemount Engineering Co. Ltd., Bognor Regis, Sussex | Vorrichtung zur messung von druckunterschieden |
| DE3611852A1 (de) * | 1985-04-11 | 1986-10-16 | Sharp K.K., Osaka | Druckempfindliches element |
| DE3625703A1 (de) * | 1985-07-31 | 1987-02-12 | Sharp Kk | Optische messvorrichtung |
| DE3709253A1 (de) * | 1987-03-20 | 1988-09-29 | Fraunhofer Ges Forschung | Fabry-perot-sensor |
| DE4125485A1 (de) * | 1991-08-01 | 1993-02-04 | Deutsche Aerospace | Laseroptischer sensor zur messung kleinster auslenkungen und daraus abgeleiteter messgroessen |
Also Published As
| Publication number | Publication date |
|---|---|
| NL6815932A (enrdf_load_stackoverflow) | 1969-05-13 |
| BE722797A (enrdf_load_stackoverflow) | 1969-04-24 |
| FR1555697A (enrdf_load_stackoverflow) | 1969-01-31 |
| GB1243359A (en) | 1971-08-18 |
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