FR2640456A1 - Microphone a detection interferometrique de pression acoustique - Google Patents
Microphone a detection interferometrique de pression acoustique Download PDFInfo
- Publication number
- FR2640456A1 FR2640456A1 FR8816385A FR8816385A FR2640456A1 FR 2640456 A1 FR2640456 A1 FR 2640456A1 FR 8816385 A FR8816385 A FR 8816385A FR 8816385 A FR8816385 A FR 8816385A FR 2640456 A1 FR2640456 A1 FR 2640456A1
- Authority
- FR
- France
- Prior art keywords
- acoustic signal
- arm
- microphone according
- interferometer
- microphone
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 title description 8
- 230000003287 optical effect Effects 0.000 claims abstract description 23
- 238000001228 spectrum Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 8
- 230000003595 spectral effect Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 7
- 239000000919 ceramic Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000004907 flux Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000005284 excitation Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Instruments For Measurement Of Length By Optical Means (AREA)
- Spectrometry And Color Measurement (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8816385A FR2640456A1 (fr) | 1988-12-13 | 1988-12-13 | Microphone a detection interferometrique de pression acoustique |
| PCT/FR1989/000650 WO1990007250A1 (fr) | 1988-12-13 | 1989-12-13 | Microphone a detection interferometrique de pression acoustique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8816385A FR2640456A1 (fr) | 1988-12-13 | 1988-12-13 | Microphone a detection interferometrique de pression acoustique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2640456A1 true FR2640456A1 (fr) | 1990-06-15 |
| FR2640456B1 FR2640456B1 (enExample) | 1994-07-13 |
Family
ID=9372877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8816385A Granted FR2640456A1 (fr) | 1988-12-13 | 1988-12-13 | Microphone a detection interferometrique de pression acoustique |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR2640456A1 (enExample) |
| WO (1) | WO1990007250A1 (enExample) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1555697A (enExample) * | 1967-11-10 | 1969-01-31 | ||
| US4162397A (en) * | 1978-06-28 | 1979-07-24 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic acoustic sensor |
| US4422167A (en) * | 1981-06-25 | 1983-12-20 | The United States Of America As Represented By The Secretary Of The Navy | Wide-area acousto-optic hydrophone |
| JPS6018100A (ja) * | 1983-07-11 | 1985-01-30 | Yasushi Miki | マイクロホン |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0618100A (ja) * | 1992-07-06 | 1994-01-25 | Matsushita Electric Ind Co Ltd | 制御方法、制御装置、空気調和装置 |
-
1988
- 1988-12-13 FR FR8816385A patent/FR2640456A1/fr active Granted
-
1989
- 1989-12-13 WO PCT/FR1989/000650 patent/WO1990007250A1/fr not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1555697A (enExample) * | 1967-11-10 | 1969-01-31 | ||
| US4162397A (en) * | 1978-06-28 | 1979-07-24 | The United States Of America As Represented By The Secretary Of The Navy | Fiber optic acoustic sensor |
| US4422167A (en) * | 1981-06-25 | 1983-12-20 | The United States Of America As Represented By The Secretary Of The Navy | Wide-area acousto-optic hydrophone |
| JPS6018100A (ja) * | 1983-07-11 | 1985-01-30 | Yasushi Miki | マイクロホン |
Non-Patent Citations (1)
| Title |
|---|
| PATENT ABSTRACTS OF JAPAN, vol. 9, no. 136 (E-320)[1859], 12 juin 1985; & JP-A-60 18 100 (YASUSHI MIKI) 30-01-1985 * |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2640456B1 (enExample) | 1994-07-13 |
| WO1990007250A1 (fr) | 1990-06-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |