JPS5628599A - Voice coil and its production - Google Patents
Voice coil and its productionInfo
- Publication number
- JPS5628599A JPS5628599A JP8295879A JP8295879A JPS5628599A JP S5628599 A JPS5628599 A JP S5628599A JP 8295879 A JP8295879 A JP 8295879A JP 8295879 A JP8295879 A JP 8295879A JP S5628599 A JPS5628599 A JP S5628599A
- Authority
- JP
- Japan
- Prior art keywords
- magnetic gap
- voice coil
- linear
- foils
- parts
- 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
- 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
Abstract
PURPOSE:To obtain an accurate linear part, by constituting a driving unit suitable for the large-diameter plane diaphragm and by storing the voice coil in the magnetic gap fully with accurate dimensions, in respect to the voice coil used for the angular plane diaphragm speaker unit. CONSTITUTION:For voice coil 20, long ribbon-shaped foils 21a, 21b, 21c and 21d obtained from the conductive material slightly narrower than the width dimension of magnetic gap 15 are used correspondingly to the width dimension of magnetic gap 15. These foils 21a and so on are formed into a lamination state, and linear parts 22 and corner parts 23 where linear parts 22 intersect orthogonally are provided. In respect to these foils 21a and so on, slits 21b where one end parts are not opened alternately at a fixed interval from both width directions are provided in foil material 21a of the width dimension corresponding to linear part 22, and these slits are extended, and they have the surface and the reverse face inverted and are folded orthogonally in continuous part 21c, and this inversion and folding is repeated up to a prescribed number of turns, and further, protrusion part 21d protruded to corner part 23 is removed by cutting, thus obtaining coil 20. As a result, coil 20 can be stored in the magnetic gap fully with accurate dimensions to provide the linear part accurately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8295879A JPS5628599A (en) | 1979-06-30 | 1979-06-30 | Voice coil and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8295879A JPS5628599A (en) | 1979-06-30 | 1979-06-30 | Voice coil and its production |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11147980A Division JPS5639697A (en) | 1980-08-12 | 1980-08-12 | Voice coil unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5628599A true JPS5628599A (en) | 1981-03-20 |
Family
ID=13788727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8295879A Pending JPS5628599A (en) | 1979-06-30 | 1979-06-30 | Voice coil and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5628599A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221994A (en) * | 1988-07-12 | 1990-01-24 | Takao Katsuragi | Structure of electrolytic floating device |
| JPH0817U (en) * | 1991-12-12 | 1996-01-19 | 正固 知念 | Bathtub with magnet |
-
1979
- 1979-06-30 JP JP8295879A patent/JPS5628599A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0221994A (en) * | 1988-07-12 | 1990-01-24 | Takao Katsuragi | Structure of electrolytic floating device |
| JPH0817U (en) * | 1991-12-12 | 1996-01-19 | 正固 知念 | Bathtub with magnet |
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