ZA732258B - Improvements in or relating to electro acoustic transducer - Google Patents
Improvements in or relating to electro acoustic transducerInfo
- Publication number
- ZA732258B ZA732258B ZA732258A ZA732258A ZA732258B ZA 732258 B ZA732258 B ZA 732258B ZA 732258 A ZA732258 A ZA 732258A ZA 732258 A ZA732258 A ZA 732258A ZA 732258 B ZA732258 B ZA 732258B
- Authority
- ZA
- South Africa
- Prior art keywords
- relating
- acoustic transducer
- electro acoustic
- electro
- transducer
- Prior art date
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
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
- H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
- H04R7/22—Clamping rim of diaphragm or cone against seating
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2931172 | 1972-06-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA732258B true ZA732258B (en) | 1974-01-30 |
Family
ID=10289538
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA732258A ZA732258B (en) | 1972-06-22 | 1973-04-03 | Improvements in or relating to electro acoustic transducer |
Country Status (6)
Country | Link |
---|---|
DK (1) | DK146000C (xx) |
ES (1) | ES416186A1 (xx) |
FR (1) | FR2189972B3 (xx) |
GB (1) | GB1348229A (xx) |
IT (1) | IT989267B (xx) |
ZA (1) | ZA732258B (xx) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0040948B1 (en) * | 1980-05-23 | 1984-10-31 | International Standard Electric Corporation | Method of making an electro dynamic transducer |
GB2145300B (en) * | 1983-08-16 | 1987-05-07 | Standard Telephones Cables Ltd | Electroacoustic transducer |
-
1972
- 1972-06-22 GB GB2931172A patent/GB1348229A/en not_active Expired
-
1973
- 1973-04-03 ZA ZA732258A patent/ZA732258B/xx unknown
- 1973-06-19 IT IT25543/73A patent/IT989267B/it active
- 1973-06-20 FR FR7322439A patent/FR2189972B3/fr not_active Expired
- 1973-06-21 DK DK343473A patent/DK146000C/da not_active IP Right Cessation
- 1973-06-22 ES ES416186A patent/ES416186A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES416186A1 (es) | 1976-03-01 |
FR2189972A1 (xx) | 1974-01-25 |
DK146000B (da) | 1983-05-09 |
IT989267B (it) | 1975-05-20 |
AU5696773A (en) | 1974-12-19 |
DK146000C (da) | 1983-10-10 |
FR2189972B3 (xx) | 1976-06-18 |
GB1348229A (en) | 1974-03-13 |
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