JPS57138300A - Electric machine converter structure - Google Patents
Electric machine converter structureInfo
- Publication number
- JPS57138300A JPS57138300A JP475282A JP475282A JPS57138300A JP S57138300 A JPS57138300 A JP S57138300A JP 475282 A JP475282 A JP 475282A JP 475282 A JP475282 A JP 475282A JP S57138300 A JPS57138300 A JP S57138300A
- Authority
- JP
- Japan
- Prior art keywords
- electric machine
- converter structure
- machine converter
- electric
- machine
- 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.)
- Pending
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8100780A FR2498406A1 (en) | 1981-01-16 | 1981-01-16 | ELECTROMECHANICAL TRANSDUCER STRUCTURE |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57138300A true JPS57138300A (en) | 1982-08-26 |
Family
ID=9254236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP475282A Pending JPS57138300A (en) | 1981-01-16 | 1982-01-14 | Electric machine converter structure |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0056549B1 (en) |
JP (1) | JPS57138300A (en) |
DE (1) | DE3169622D1 (en) |
FR (1) | FR2498406A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3267853D1 (en) * | 1981-02-06 | 1986-01-23 | Emi Ltd | Device sensitive to pressure waves |
FR2519503B1 (en) * | 1981-12-31 | 1991-09-06 | Thomson Csf | POLYMERIC PIEZOELECTRIC TRANSDUCERS AND MANUFACTURING METHOD |
US5166573A (en) * | 1989-09-26 | 1992-11-24 | Atochem North America, Inc. | Ultrasonic contact transducer and array |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3816774A (en) * | 1972-01-28 | 1974-06-11 | Victor Company Of Japan | Curved piezoelectric elements |
GB1515287A (en) * | 1974-05-30 | 1978-06-21 | Plessey Co Ltd | Piezoelectric transducers |
GB1593271A (en) * | 1976-09-21 | 1981-07-15 | Standard Telephones Cables Ltd | Electro-acoustic transducers |
DE2803168C3 (en) * | 1978-01-25 | 1982-10-21 | Friedemann Dipl.-Ing. Dr. 8069 Jetzendorf Meggl | Electromechanical converter |
-
1981
- 1981-01-16 FR FR8100780A patent/FR2498406A1/en not_active Withdrawn
- 1981-12-22 EP EP19810402050 patent/EP0056549B1/en not_active Expired
- 1981-12-22 DE DE8181402050T patent/DE3169622D1/en not_active Expired
-
1982
- 1982-01-14 JP JP475282A patent/JPS57138300A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
EP0056549B1 (en) | 1985-03-27 |
EP0056549A3 (en) | 1982-08-04 |
EP0056549A2 (en) | 1982-07-28 |
DE3169622D1 (en) | 1985-05-02 |
FR2498406A1 (en) | 1982-07-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
GB2097663B (en) | Electric toothbrush | |
DE3263064D1 (en) | Electric motors | |
GB2105796B (en) | Three-phase generator | |
JPS57138712A (en) | Electric cable | |
GB8316183D0 (en) | Synchronous electric machine | |
DE3273069D1 (en) | Electrical machine | |
DE3261395D1 (en) | Power converter | |
ZA82693B (en) | Electric cable | |
DE3270087D1 (en) | Electrical machine | |
GB2107896B (en) | Electric cable | |
GB2096837B (en) | Brushgear for electric motors | |
GB2110478B (en) | Dynamo electric machines | |
GB2093261B (en) | Electric cable | |
GB2101798B (en) | Electric cable | |
JPS57138300A (en) | Electric machine converter structure | |
GB8311710D0 (en) | Electric machines | |
DE3273734D1 (en) | Electric rerailer | |
YU68683A (en) | Improved electric connectr | |
JPS57212704A (en) | Electric cable | |
GB2103544B (en) | Improved electric imprinter | |
JPS57121111A (en) | Power cable | |
JPS57212703A (en) | Electric cable | |
JPS57180594A (en) | Electric winch | |
JPS57203500A (en) | Electric iron | |
JPS57158907A (en) | Power cable |