JPS57129095A - Piezoelectric loudspeaker - Google Patents
Piezoelectric loudspeakerInfo
- Publication number
- JPS57129095A JPS57129095A JP1486281A JP1486281A JPS57129095A JP S57129095 A JPS57129095 A JP S57129095A JP 1486281 A JP1486281 A JP 1486281A JP 1486281 A JP1486281 A JP 1486281A JP S57129095 A JPS57129095 A JP S57129095A
- Authority
- JP
- Japan
- Prior art keywords
- film
- frames
- diaphragm
- center part
- pressure
- 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.)
- Granted
Links
- 238000005452 bending Methods 0.000 abstract 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)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1486281A JPS57129095A (en) | 1981-02-02 | 1981-02-02 | Piezoelectric loudspeaker |
US06/331,586 US4430529A (en) | 1980-12-24 | 1981-12-17 | Piezoelectric loudspeaker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1486281A JPS57129095A (en) | 1981-02-02 | 1981-02-02 | Piezoelectric loudspeaker |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57129095A true JPS57129095A (en) | 1982-08-10 |
JPS6132880B2 JPS6132880B2 (ja) | 1986-07-30 |
Family
ID=11872827
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1486281A Granted JPS57129095A (en) | 1980-12-24 | 1981-02-02 | Piezoelectric loudspeaker |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57129095A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01171400A (ja) * | 1987-12-25 | 1989-07-06 | Murata Mfg Co Ltd | 圧電発音体 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6362990A (ja) * | 1986-08-29 | 1988-03-19 | 住商メタレックス株式会社 | 液密配管構造 |
JPH01299927A (ja) * | 1988-05-28 | 1989-12-04 | Mirai Ind Co Ltd | 湯水混合栓への湯水供給装置 |
JPH028576A (ja) * | 1988-06-25 | 1990-01-12 | Mirai Ind Co Ltd | 継手収納ボックス |
JPH03161621A (ja) * | 1989-11-21 | 1991-07-11 | Sekisui Chem Co Ltd | 水栓ボックス |
-
1981
- 1981-02-02 JP JP1486281A patent/JPS57129095A/ja active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH01171400A (ja) * | 1987-12-25 | 1989-07-06 | Murata Mfg Co Ltd | 圧電発音体 |
Also Published As
Publication number | Publication date |
---|---|
JPS6132880B2 (ja) | 1986-07-30 |
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