DE2308785A1 - Einrichtung zum messen von druckdifferenzen mittels einer membran - Google Patents
Einrichtung zum messen von druckdifferenzen mittels einer membranInfo
- Publication number
- DE2308785A1 DE2308785A1 DE19732308785 DE2308785A DE2308785A1 DE 2308785 A1 DE2308785 A1 DE 2308785A1 DE 19732308785 DE19732308785 DE 19732308785 DE 2308785 A DE2308785 A DE 2308785A DE 2308785 A1 DE2308785 A1 DE 2308785A1
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- detector
- radiation
- diaphragm
- displacement
- 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 title claims description 64
- 230000005855 radiation Effects 0.000 claims description 24
- 238000006073 displacement reaction Methods 0.000 claims description 13
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000003384 imaging method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 239000000020 Nitrocellulose Substances 0.000 description 1
- 108010074506 Transfer Factor Proteins 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001579 optical reflectometry Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000001360 synchronised effect Effects 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
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0076—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means
- G01L9/0077—Transmitting or indicating the displacement of flexible diaphragms using photoelectric means for measuring reflected light
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/002—Damping circuit arrangements for transducers, e.g. motional feedback circuits
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Optical Transform (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB850172 | 1972-02-24 | ||
| GB4937972A GB1419111A (en) | 1972-02-24 | 1972-10-26 | Photoelectric transducer |
| GB5435172 | 1972-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2308785A1 true DE2308785A1 (de) | 1973-10-11 |
Family
ID=27255212
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19732308785 Pending DE2308785A1 (de) | 1972-02-24 | 1973-02-22 | Einrichtung zum messen von druckdifferenzen mittels einer membran |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS496946A (enExample) |
| DE (1) | DE2308785A1 (enExample) |
| GB (1) | GB1419111A (enExample) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3142164A1 (de) * | 1980-10-27 | 1982-06-16 | Rosemount Engineering Co. Ltd., Bognor Regis, Sussex | Vorrichtung zur messung von druckunterschieden |
| DE3517054C1 (de) * | 1985-05-11 | 1986-03-13 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Optoelektrischer Geber zur Messung mechanischer Größen |
| WO1986001968A1 (en) * | 1984-09-21 | 1986-03-27 | American Telephone & Telegraph Company | Methods and apparatus for tensioning sheet material |
| RU2830848C1 (ru) * | 2024-07-31 | 2024-11-26 | Акционерное общество "Леоли Кэпитал Групп" | Оптический микрофон |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8621810D0 (en) * | 1986-09-10 | 1986-10-15 | Whitehouse J C | Rangefinder for robotic applications |
| US7724915B2 (en) | 2004-04-05 | 2010-05-25 | Panasonic Corporation | Speaker device |
| CN109562208A (zh) * | 2016-09-01 | 2019-04-02 | 诺华股份有限公司 | 用于盒压力的非侵入性测量的系统和方法 |
-
1972
- 1972-10-26 GB GB4937972A patent/GB1419111A/en not_active Expired
-
1973
- 1973-02-22 DE DE19732308785 patent/DE2308785A1/de active Pending
- 1973-02-24 JP JP2258773A patent/JPS496946A/ja active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3142164A1 (de) * | 1980-10-27 | 1982-06-16 | Rosemount Engineering Co. Ltd., Bognor Regis, Sussex | Vorrichtung zur messung von druckunterschieden |
| WO1986001968A1 (en) * | 1984-09-21 | 1986-03-27 | American Telephone & Telegraph Company | Methods and apparatus for tensioning sheet material |
| DE3517054C1 (de) * | 1985-05-11 | 1986-03-13 | Messerschmitt-Bölkow-Blohm GmbH, 8012 Ottobrunn | Optoelektrischer Geber zur Messung mechanischer Größen |
| RU2830848C1 (ru) * | 2024-07-31 | 2024-11-26 | Акционерное общество "Леоли Кэпитал Групп" | Оптический микрофон |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS496946A (enExample) | 1974-01-22 |
| GB1419111A (en) | 1975-12-24 |
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