JPS50110237U - - Google Patents
Info
- Publication number
- JPS50110237U JPS50110237U JP1974019526U JP1952674U JPS50110237U JP S50110237 U JPS50110237 U JP S50110237U JP 1974019526 U JP1974019526 U JP 1974019526U JP 1952674 U JP1952674 U JP 1952674U JP S50110237 U JPS50110237 U JP S50110237U
- Authority
- JP
- Japan
- 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.)
- Granted
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
- H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974019526U JPS5758877Y2 (enExample) | 1974-02-18 | 1974-02-18 | |
| US05/549,347 US3997804A (en) | 1974-02-18 | 1975-02-12 | Mounting for flexible diaphragm piezoelectric transducer |
| DE2506710A DE2506710C2 (de) | 1974-02-18 | 1975-02-18 | Piezoelektrischer elektroakustischer Wandler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1974019526U JPS5758877Y2 (enExample) | 1974-02-18 | 1974-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50110237U true JPS50110237U (enExample) | 1975-09-09 |
| JPS5758877Y2 JPS5758877Y2 (enExample) | 1982-12-16 |
Family
ID=12001771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1974019526U Expired JPS5758877Y2 (enExample) | 1974-02-18 | 1974-02-18 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US3997804A (enExample) |
| JP (1) | JPS5758877Y2 (enExample) |
| DE (1) | DE2506710C2 (enExample) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK62484D0 (da) * | 1984-02-13 | 1984-02-13 | Gnt Automatic As | Kombineret transducerenhed til mikrotelefon |
| US5386479A (en) * | 1992-11-23 | 1995-01-31 | Hersh; Alan S. | Piezoelectric sound sources |
| US8456957B2 (en) * | 2008-01-29 | 2013-06-04 | Schneider Electric USA, Inc. | Ultrasonic transducer for a proximity sensor |
| US7804742B2 (en) * | 2008-01-29 | 2010-09-28 | Hyde Park Electronics Llc | Ultrasonic transducer for a proximity sensor |
| CN106269451B (zh) * | 2011-02-15 | 2020-02-21 | 富士胶卷迪马蒂克斯股份有限公司 | 使用微圆顶阵列的压电式换能器 |
| JP5599856B2 (ja) * | 2011-09-30 | 2014-10-01 | 富士フイルム株式会社 | 電気音響変換器および表示デバイス |
| JP6130807B2 (ja) * | 2014-03-31 | 2017-05-17 | 富士フイルム株式会社 | 電気音響変換器 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3496307A (en) * | 1967-12-30 | 1970-02-17 | Nippon Musical Instruments Mfg | Loudspeaker |
| DE1902849C3 (de) * | 1968-01-25 | 1978-06-29 | Pioneer Electronic Corp., Tokio | Mechanisch-elektrisch bzw. elektrisch-mechanischer Wandler |
| NL6813996A (enExample) * | 1968-09-30 | 1970-04-01 | ||
| JPS5123439B2 (enExample) * | 1971-11-05 | 1976-07-16 |
-
1974
- 1974-02-18 JP JP1974019526U patent/JPS5758877Y2/ja not_active Expired
-
1975
- 1975-02-12 US US05/549,347 patent/US3997804A/en not_active Expired - Lifetime
- 1975-02-18 DE DE2506710A patent/DE2506710C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2506710A1 (de) | 1975-08-21 |
| JPS5758877Y2 (enExample) | 1982-12-16 |
| US3997804A (en) | 1976-12-14 |
| DE2506710C2 (de) | 1984-07-12 |