DE1065880B - - Google Patents
Info
- Publication number
- DE1065880B DE1065880B DENDAT1065880D DE1065880DA DE1065880B DE 1065880 B DE1065880 B DE 1065880B DE NDAT1065880 D DENDAT1065880 D DE NDAT1065880D DE 1065880D A DE1065880D A DE 1065880DA DE 1065880 B DE1065880 B DE 1065880B
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- electrostrictive
- layers
- electrodes
- 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.)
- Pending
Links
- 239000012528 membrane Substances 0.000 claims description 48
- 239000000463 material Substances 0.000 claims description 7
- 230000005284 excitation Effects 0.000 claims description 5
- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 230000005684 electric field Effects 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims 3
- 239000002184 metal Substances 0.000 claims 3
- 230000007935 neutral effect Effects 0.000 claims 3
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims 2
- 229910002113 barium titanate Inorganic materials 0.000 claims 2
- 230000000694 effects Effects 0.000 claims 2
- 238000005452 bending Methods 0.000 claims 1
- 230000006378 damage Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 229910052709 silver Inorganic materials 0.000 claims 1
- 239000004332 silver Substances 0.000 claims 1
- 230000006978 adaptation Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 description 2
- 235000011006 sodium potassium tartrate Nutrition 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000035945 sensitivity 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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1065880B true DE1065880B (enrdf_load_stackoverflow) | 1959-09-24 |
Family
ID=592116
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DENDAT1065880D Pending DE1065880B (enrdf_load_stackoverflow) |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE1065880B (enrdf_load_stackoverflow) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1127950B (de) * | 1960-01-12 | 1962-04-19 | Sennheiser Electronic | Elektroakustischer Wandler mit plattenfoermigem Wandlerelement |
| DE1287135B (de) * | 1967-06-16 | 1969-01-16 | Telefunken Patent | Elektroakustischer Wandler mit einer Schicht aus Halbleitermaterial bedeckten Membran |
| US4156800A (en) * | 1974-05-30 | 1979-05-29 | Plessey Handel Und Investments Ag | Piezoelectric transducer |
| WO1987007218A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Aktiengesellschaft | Piezoelectrically operated fluid pump |
| WO1987007217A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Aktiengesellschaft | Ink writing head with piezoelectrically excitable membrane |
| DE4135408A1 (de) * | 1991-10-26 | 1993-04-29 | Man Nutzfahrzeuge Ag | Verfahren zur umwandlung elektrischer energie in mechanische schwingungen, sowie vorrichtungen zur durchfuehrung dieses verfahrens |
-
0
- DE DENDAT1065880D patent/DE1065880B/de active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1127950B (de) * | 1960-01-12 | 1962-04-19 | Sennheiser Electronic | Elektroakustischer Wandler mit plattenfoermigem Wandlerelement |
| DE1287135B (de) * | 1967-06-16 | 1969-01-16 | Telefunken Patent | Elektroakustischer Wandler mit einer Schicht aus Halbleitermaterial bedeckten Membran |
| US4156800A (en) * | 1974-05-30 | 1979-05-29 | Plessey Handel Und Investments Ag | Piezoelectric transducer |
| WO1987007218A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Aktiengesellschaft | Piezoelectrically operated fluid pump |
| WO1987007217A1 (en) * | 1986-05-30 | 1987-12-03 | Siemens Aktiengesellschaft | Ink writing head with piezoelectrically excitable membrane |
| US4888598A (en) * | 1986-05-30 | 1989-12-19 | Siemens Aktiengesellschaft | Ink writing head with piezoelectrically excitable membrane |
| DE4135408A1 (de) * | 1991-10-26 | 1993-04-29 | Man Nutzfahrzeuge Ag | Verfahren zur umwandlung elektrischer energie in mechanische schwingungen, sowie vorrichtungen zur durchfuehrung dieses verfahrens |
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