FR2108626A5 - - Google Patents
Info
- Publication number
- FR2108626A5 FR2108626A5 FR7134789A FR7134789A FR2108626A5 FR 2108626 A5 FR2108626 A5 FR 2108626A5 FR 7134789 A FR7134789 A FR 7134789A FR 7134789 A FR7134789 A FR 7134789A FR 2108626 A5 FR2108626 A5 FR 2108626A5
- Authority
- FR
- France
- 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.)
- Expired
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
- H04R17/00—Piezoelectric transducers; Electrostrictive transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9591970 | 1970-09-29 | ||
| JP3042671U JPS4731073U (enExample) | 1971-04-21 | 1971-04-21 | |
| JP3042571U JPS4731072U (enExample) | 1971-04-21 | 1971-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2108626A5 true FR2108626A5 (enExample) | 1972-05-19 |
Family
ID=27286959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7134789A Expired FR2108626A5 (enExample) | 1970-09-29 | 1971-09-28 |
Country Status (4)
| Country | Link |
|---|---|
| CA (1) | CA955678A (enExample) |
| DE (1) | DE2145236A1 (enExample) |
| FR (1) | FR2108626A5 (enExample) |
| GB (1) | GB1310853A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0051832A1 (en) * | 1980-11-07 | 1982-05-19 | Hitachi, Ltd. | Piezoelectric ceramic transducer |
| RU2746715C1 (ru) * | 2020-08-14 | 2021-04-19 | Общество С Ограниченной Ответственностью "Синеморе" | Плоский низкочастотный громкоговоритель |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3012038C2 (de) * | 1980-03-28 | 1982-08-19 | Honeywell-Elac-Nautik Gmbh, 2300 Kiel | Elektroakustischer Wasserschallwandler |
| CN101785047B (zh) | 2007-06-01 | 2013-03-06 | 艾克森塞股份公司 | 压电转换装置 |
-
1971
- 1971-09-09 DE DE19712145236 patent/DE2145236A1/de active Pending
- 1971-09-21 GB GB4388171A patent/GB1310853A/en not_active Expired
- 1971-09-23 CA CA123,568A patent/CA955678A/en not_active Expired
- 1971-09-28 FR FR7134789A patent/FR2108626A5/fr not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0051832A1 (en) * | 1980-11-07 | 1982-05-19 | Hitachi, Ltd. | Piezoelectric ceramic transducer |
| RU2746715C1 (ru) * | 2020-08-14 | 2021-04-19 | Общество С Ограниченной Ответственностью "Синеморе" | Плоский низкочастотный громкоговоритель |
Also Published As
| Publication number | Publication date |
|---|---|
| CA955678A (en) | 1974-10-01 |
| GB1310853A (en) | 1973-03-21 |
| DE2145236A1 (de) | 1972-03-30 |
| AU3350771A (en) | 1973-03-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |