NL7210459A - - Google Patents
Info
- Publication number
- NL7210459A NL7210459A NL7210459A NL7210459A NL7210459A NL 7210459 A NL7210459 A NL 7210459A NL 7210459 A NL7210459 A NL 7210459A NL 7210459 A NL7210459 A NL 7210459A NL 7210459 A NL7210459 A NL 7210459A
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
-
- 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
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Manufacturing Of Printed Wiring (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2138563A DE2138563C3 (de) | 1971-08-02 | 1971-08-02 | Verfahren zur Herstellung eines piezokeramischen Schwingers, insbesondere für telefonhörer, und piezokeramischer Schwinger gemäß dem Verfahren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7210459A true NL7210459A (enrdf_load_stackoverflow) | 1973-02-06 |
Family
ID=5815517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7210459A NL7210459A (enrdf_load_stackoverflow) | 1971-08-02 | 1972-07-28 |
Country Status (8)
| Country | Link |
|---|---|
| AT (1) | AT308861B (enrdf_load_stackoverflow) |
| BE (1) | BE787087A (enrdf_load_stackoverflow) |
| BR (1) | BR7205182D0 (enrdf_load_stackoverflow) |
| CH (1) | CH539376A (enrdf_load_stackoverflow) |
| DE (1) | DE2138563C3 (enrdf_load_stackoverflow) |
| IT (1) | IT963474B (enrdf_load_stackoverflow) |
| NL (1) | NL7210459A (enrdf_load_stackoverflow) |
| ZA (1) | ZA724627B (enrdf_load_stackoverflow) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2820403C2 (de) * | 1978-05-10 | 1984-09-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum Ankleben und zum Kontaktieren eines elektrischen Bauteils mit einer flächenförmigen Elektrode |
| DE102007006638A1 (de) * | 2006-02-10 | 2007-08-16 | Ceramtec Ag Innovative Ceramic Engineering | Aufbringen von Elektroden auf die Oberfläche piezokeramischer Körper zur Herstellung von Wandlern |
| CN104993044B (zh) * | 2015-07-22 | 2017-08-29 | 湖南嘉业达电子有限公司 | 一种压电陶瓷片正反面电极电气连接装置 |
-
1971
- 1971-08-02 DE DE2138563A patent/DE2138563C3/de not_active Expired
-
1972
- 1972-04-26 CH CH622272A patent/CH539376A/de not_active IP Right Cessation
- 1972-04-27 AT AT372472A patent/AT308861B/de not_active IP Right Cessation
- 1972-07-05 ZA ZA724627A patent/ZA724627B/xx unknown
- 1972-07-28 IT IT27560/72A patent/IT963474B/it active
- 1972-07-28 NL NL7210459A patent/NL7210459A/xx not_active Application Discontinuation
- 1972-08-02 BR BR005182/72A patent/BR7205182D0/pt unknown
- 1972-08-02 BE BE787087A patent/BE787087A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH539376A (de) | 1973-07-15 |
| ZA724627B (en) | 1973-04-25 |
| DE2138563C3 (de) | 1974-04-25 |
| BR7205182D0 (pt) | 1973-05-29 |
| IT963474B (it) | 1974-01-10 |
| AT308861B (de) | 1973-07-25 |
| DE2138563B2 (enrdf_load_stackoverflow) | 1973-09-27 |
| BE787087A (fr) | 1972-12-01 |
| DE2138563A1 (de) | 1973-02-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| BA | A request for search or an international-type search has been filed | ||
| BB | A search report has been drawn up | ||
| BV | The patent application has lapsed |