CH656499A5 - Procede de fabrication d'un diaphragme fin de transducteur acoustique et transducteur acoustique comprenant un tel diaphragme. - Google Patents
Procede de fabrication d'un diaphragme fin de transducteur acoustique et transducteur acoustique comprenant un tel diaphragme. Download PDFInfo
- Publication number
- CH656499A5 CH656499A5 CH356/84A CH35684A CH656499A5 CH 656499 A5 CH656499 A5 CH 656499A5 CH 356/84 A CH356/84 A CH 356/84A CH 35684 A CH35684 A CH 35684A CH 656499 A5 CH656499 A5 CH 656499A5
- Authority
- CH
- Switzerland
- Prior art keywords
- sheet
- diaphragm
- frame
- central part
- acoustic transducer
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R19/00—Electrostatic transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
- H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/01—Manufacture or treatment
- H10N30/09—Forming piezoelectric or electrostrictive materials
- H10N30/098—Forming organic materials
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US52474283A | 1983-08-19 | 1983-08-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH656499A5 true CH656499A5 (fr) | 1986-06-30 |
Family
ID=24090494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH356/84A CH656499A5 (fr) | 1983-08-19 | 1984-01-26 | Procede de fabrication d'un diaphragme fin de transducteur acoustique et transducteur acoustique comprenant un tel diaphragme. |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH656499A5 (da) |
| DK (1) | DK572483A (da) |
| GB (1) | GB2145301A (da) |
| NL (1) | NL8304301A (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU5499999A (en) * | 1999-09-03 | 2001-04-10 | Sonigistix Corporation | Method and assembly for manufacturing acoustic transducers |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3387494A (en) * | 1966-04-28 | 1968-06-11 | Marcel J.E. Golay | Tensioned membrane |
| JPS4912598Y1 (da) * | 1970-07-14 | 1974-03-28 |
-
1983
- 1983-12-13 DK DK572483A patent/DK572483A/da not_active Application Discontinuation
- 1983-12-14 NL NL8304301A patent/NL8304301A/nl not_active Application Discontinuation
- 1983-12-19 GB GB08333717A patent/GB2145301A/en not_active Withdrawn
-
1984
- 1984-01-26 CH CH356/84A patent/CH656499A5/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK572483D0 (da) | 1983-12-13 |
| GB8333717D0 (en) | 1984-01-25 |
| GB2145301A (en) | 1985-03-20 |
| NL8304301A (nl) | 1985-03-18 |
| DK572483A (da) | 1985-02-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUE | Assignment |
Owner name: LECTRET S.A. TRANSFER- LECTRET PRECISION PTE LTD |
|
| PUE | Assignment |
Owner name: LECTRET PRECISION PTE LTD TRANSFER- RTI TECHNOLOGI |
|
| PL | Patent ceased |