JPH01113494U - - Google Patents
Info
- Publication number
- JPH01113494U JPH01113494U JP858688U JP858688U JPH01113494U JP H01113494 U JPH01113494 U JP H01113494U JP 858688 U JP858688 U JP 858688U JP 858688 U JP858688 U JP 858688U JP H01113494 U JPH01113494 U JP H01113494U
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- magnetic
- speaker
- magnetic gap
- bobbin part
- 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
- 239000011553 magnetic fluid Substances 0.000 claims description 2
- 239000004697 Polyetherimide Substances 0.000 claims 1
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 238000000465 moulding Methods 0.000 claims 1
- 229920001601 polyetherimide Polymers 0.000 claims 1
- 239000000428 dust Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Description
第１図は本考案実施例の断面図である。
１は振動板、２はボイルコイル、３は磁気回路
、４は磁性流体、５はダンパ、６はフレーム、７
はダストキヤツプである。
FIG. 1 is a sectional view of an embodiment of the present invention. 1 is a diaphragm, 2 is a boiler coil, 3 is a magnetic circuit, 4 is a magnetic fluid, 5 is a damper, 6 is a frame, 7
is the dust cap.
Claims (1)
１の前記ボビン部に巻回されたボイスコイル２が
、磁気回路３の磁気空隙の内部に振動可能に保持
されているスピーカに於て、前記振動板１がポリ
エーテルイミドフイルムを成形してなると共に、
前記磁気空隙内部にゴム系接着剤を溶解若しくは
軟化させることのない磁性流体４が充填されてい
ることを特徴とするスピーカ。 In a speaker in which a voice coil 2 wound around a bobbin part of a diaphragm 1 whose bobbin part and a diaphragm part are integrally molded is held so as to be able to vibrate inside a magnetic gap of a magnetic circuit 3, The diaphragm 1 is formed by molding a polyetherimide film, and
A speaker characterized in that the inside of the magnetic gap is filled with a magnetic fluid 4 that does not dissolve or soften the rubber adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP858688U JPH01113494U (en) | 1988-01-25 | 1988-01-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP858688U JPH01113494U (en) | 1988-01-25 | 1988-01-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113494U true JPH01113494U (en) | 1989-07-31 |
Family
ID=31214596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP858688U Pending JPH01113494U (en) | 1988-01-25 | 1988-01-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113494U (en) |
-
1988
- 1988-01-25 JP JP858688U patent/JPH01113494U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01113494U (en) | ||
| JPS59164395U (en) | flat speaker | |
| JPS5984997U (en) | speaker | |
| JPH01100598U (en) | ||
| JPS588291U (en) | Vibration membrane for small speakers | |
| JPS62158994U (en) | ||
| JPS5852791Y2 (en) | speaker | |
| JPS5899995U (en) | speaker | |
| JPS6428100U (en) | ||
| JPS63144792U (en) | ||
| JPH01135896U (en) | ||
| JPH02100399U (en) | ||
| JPS5834486U (en) | earphones | |
| JPS60111197U (en) | Dustproof device for speakers | |
| JPH0232297U (en) | ||
| JPS61182196U (en) | ||
| JPH0390199U (en) | ||
| JPS6433293U (en) | ||
| JPS5834495U (en) | speaker | |
| JPS63131300U (en) | ||
| JPH0466898U (en) | ||
| JPH01119297U (en) | ||
| JPS59134991U (en) | omnidirectional speaker | |
| JPH0247898U (en) | ||
| JPS6415499U (en) |