FR2512951A1 - Transducteur optique de force et microphone comprenant un tel transducteur - Google Patents
Transducteur optique de force et microphone comprenant un tel transducteur Download PDFInfo
- Publication number
- FR2512951A1 FR2512951A1 FR8117423A FR8117423A FR2512951A1 FR 2512951 A1 FR2512951 A1 FR 2512951A1 FR 8117423 A FR8117423 A FR 8117423A FR 8117423 A FR8117423 A FR 8117423A FR 2512951 A1 FR2512951 A1 FR 2512951A1
- Authority
- FR
- France
- Prior art keywords
- prism
- optical
- face
- transducer according
- flexible membrane
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 74
- 239000012528 membrane Substances 0.000 title claims abstract description 34
- 239000013307 optical fiber Substances 0.000 title claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 20
- 238000010168 coupling process Methods 0.000 claims abstract description 20
- 238000005859 coupling reaction Methods 0.000 claims abstract description 20
- 208000029152 Small face Diseases 0.000 claims abstract description 12
- 239000002775 capsule Substances 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims 1
- 230000001681 protective effect Effects 0.000 abstract description 5
- 239000000835 fiber Substances 0.000 abstract description 2
- 230000003068 static effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000012780 transparent material Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001755 vocal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/29—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the position or the direction of light beams, i.e. deflection
- G02F1/31—Digital deflection, i.e. optical switching
- G02F1/315—Digital deflection, i.e. optical switching based on the use of controlled internal reflection
-
- 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)
- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Optical Couplings Of Light Guides (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8117423A FR2512951A1 (fr) | 1981-09-15 | 1981-09-15 | Transducteur optique de force et microphone comprenant un tel transducteur |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR8117423A FR2512951A1 (fr) | 1981-09-15 | 1981-09-15 | Transducteur optique de force et microphone comprenant un tel transducteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2512951A1 true FR2512951A1 (fr) | 1983-03-18 |
| FR2512951B1 FR2512951B1 (enExample) | 1984-03-02 |
Family
ID=9262158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8117423A Granted FR2512951A1 (fr) | 1981-09-15 | 1981-09-15 | Transducteur optique de force et microphone comprenant un tel transducteur |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2512951A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0439393A1 (fr) * | 1990-01-26 | 1991-07-31 | Thomson-Csf | Modulateur électrooptique spatial et applications |
| FR2685961A1 (fr) * | 1992-01-06 | 1993-07-09 | Silec Liaisons Elec | Capteur optique de vibrations. |
| GB2400263A (en) * | 2003-03-31 | 2004-10-06 | Sennheiser Electronic | Optical sensor or microphone |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443098A (en) * | 1965-10-21 | 1969-05-06 | Radiation Inc | Electrostatically controlled light modulator |
| FR2032909A5 (enExample) * | 1969-03-28 | 1970-11-27 | Ibm | |
| US3649105A (en) * | 1968-02-21 | 1972-03-14 | North American Rockwell | Optical shutter |
| DE2834317A1 (de) * | 1978-08-04 | 1980-02-28 | Siemens Ag | Akusto-optischer modulator zur modulation der lichtintensitaet |
-
1981
- 1981-09-15 FR FR8117423A patent/FR2512951A1/fr active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3443098A (en) * | 1965-10-21 | 1969-05-06 | Radiation Inc | Electrostatically controlled light modulator |
| US3649105A (en) * | 1968-02-21 | 1972-03-14 | North American Rockwell | Optical shutter |
| FR2032909A5 (enExample) * | 1969-03-28 | 1970-11-27 | Ibm | |
| DE2834317A1 (de) * | 1978-08-04 | 1980-02-28 | Siemens Ag | Akusto-optischer modulator zur modulation der lichtintensitaet |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0439393A1 (fr) * | 1990-01-26 | 1991-07-31 | Thomson-Csf | Modulateur électrooptique spatial et applications |
| FR2657700A1 (fr) * | 1990-01-26 | 1991-08-02 | Thomson Csf | Modulateur electrooptique spatial et applications. |
| FR2685961A1 (fr) * | 1992-01-06 | 1993-07-09 | Silec Liaisons Elec | Capteur optique de vibrations. |
| WO1993014609A1 (fr) * | 1992-01-06 | 1993-07-22 | Societe Industrielle De Liaisons Electriques | Capteur optique de vibrations |
| GB2400263A (en) * | 2003-03-31 | 2004-10-06 | Sennheiser Electronic | Optical sensor or microphone |
| GB2400263B (en) * | 2003-03-31 | 2006-11-15 | Sennheiser Electronic | A sensor or a microphone having such a sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2512951B1 (enExample) | 1984-03-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |