JPS4931341U - - Google Patents
Info
- Publication number
- JPS4931341U JPS4931341U JP1972072182U JP7218272U JPS4931341U JP S4931341 U JPS4931341 U JP S4931341U JP 1972072182 U JP1972072182 U JP 1972072182U JP 7218272 U JP7218272 U JP 7218272U JP S4931341 U JPS4931341 U JP S4931341U
- 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
- 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
- H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
- H04R9/04—Construction, mounting, or centering of coil
- H04R9/041—Centering
- H04R9/042—Centering by pressurised air
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972072182U JPS5253220Y2 (en) | 1972-06-20 | 1972-06-20 | |
| US370189A US3909557A (en) | 1972-06-20 | 1973-06-14 | Vibration dampening mounting system for wire suspended loudspeaker bobbin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1972072182U JPS5253220Y2 (en) | 1972-06-20 | 1972-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4931341U true JPS4931341U (en) | 1974-03-18 |
| JPS5253220Y2 JPS5253220Y2 (en) | 1977-12-02 |
Family
ID=27971023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1972072182U Expired JPS5253220Y2 (en) | 1972-06-20 | 1972-06-20 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3909557A (en) |
| JP (1) | JPS5253220Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8155372B2 (en) * | 2007-06-15 | 2012-04-10 | Donald North | Wire suspension for speakers |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1966564A (en) * | 1928-04-05 | 1934-07-17 | Schlenker Vesper Anderson | Dynamic sound reproducer |
| US3518460A (en) * | 1968-10-30 | 1970-06-30 | Euphonics Corp | Ultrasonic transducer employing suspended piezoelectric plate |
| FR2151124B1 (en) * | 1971-09-04 | 1979-02-09 | Pioneer Electronic Corp |
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1972
- 1972-06-20 JP JP1972072182U patent/JPS5253220Y2/ja not_active Expired
-
1973
- 1973-06-14 US US370189A patent/US3909557A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3909557A (en) | 1975-09-30 |
| JPS5253220Y2 (en) | 1977-12-02 |