JPH0422400B2 - - Google Patents
Info
- Publication number
- JPH0422400B2 JPH0422400B2 JP59281381A JP28138184A JPH0422400B2 JP H0422400 B2 JPH0422400 B2 JP H0422400B2 JP 59281381 A JP59281381 A JP 59281381A JP 28138184 A JP28138184 A JP 28138184A JP H0422400 B2 JPH0422400 B2 JP H0422400B2
- Authority
- JP
- Japan
- Prior art keywords
- piezoelectric
- diaphragm
- piezoelectric vibrating
- vibrating element
- vibrating elements
- 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.)
- Expired - Lifetime
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
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28138184A JPS61150500A (ja) | 1984-12-24 | 1984-12-24 | 複合形圧電スピ−カ |
GB08521410A GB2166022A (en) | 1984-09-05 | 1985-08-28 | Piezoelectric vibrator |
US06/771,838 US4654554A (en) | 1984-09-05 | 1985-08-30 | Piezoelectric vibrating elements and piezoelectric electroacoustic transducers |
DE19853531325 DE3531325A1 (de) | 1984-09-05 | 1985-09-02 | Piezoelektrische schwingkoerper und mit denselben ausgestatteter lautsprecher |
FR8513100A FR2569931A1 (fr) | 1984-09-05 | 1985-09-04 | Elements piezoelectriques vibrants et transducteurs piezoelectriques electroacoustiques utilisant de tels elements |
FR8600712A FR2574610A1 (fr) | 1984-09-05 | 1986-01-20 | Elements piezoelectriques vibrants et transducteurs piezoelectriques electroacoustiques utilisant de tels elements |
FR8600711A FR2574609A1 (fr) | 1984-09-05 | 1986-01-20 | Elements piezoelectriques vibrants et transducteurs piezoelectriques electroacoustiques utilisant de tels elements |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP28138184A JPS61150500A (ja) | 1984-12-24 | 1984-12-24 | 複合形圧電スピ−カ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61150500A JPS61150500A (ja) | 1986-07-09 |
JPH0422400B2 true JPH0422400B2 (en]) | 1992-04-16 |
Family
ID=17638343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP28138184A Granted JPS61150500A (ja) | 1984-09-05 | 1984-12-24 | 複合形圧電スピ−カ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61150500A (en]) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0993231A3 (en) * | 1994-05-20 | 2000-04-19 | Shinsei Corporation | Sound generating device |
AU4723597A (en) * | 1996-10-24 | 1998-05-15 | Shinsei Corporation | Acoustic piezoelectric vibrator and loudspeaker using the same |
DE69939096D1 (de) * | 1998-11-02 | 2008-08-28 | Matsushita Electric Ind Co Ltd | Piezoelektrischer Lautsprecher |
JP4564988B2 (ja) * | 2007-06-08 | 2010-10-20 | 財団法人鉄道総合技術研究所 | 振動・騒音低減装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5946095U (ja) * | 1982-09-18 | 1984-03-27 | オンキヨー株式会社 | 圧電型スピ−カ− |
-
1984
- 1984-12-24 JP JP28138184A patent/JPS61150500A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS61150500A (ja) | 1986-07-09 |
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