JPH0322498U - - Google Patents
Info
- Publication number
- JPH0322498U JPH0322498U JP8122589U JP8122589U JPH0322498U JP H0322498 U JPH0322498 U JP H0322498U JP 8122589 U JP8122589 U JP 8122589U JP 8122589 U JP8122589 U JP 8122589U JP H0322498 U JPH0322498 U JP H0322498U
- Authority
- JP
- Japan
- Prior art keywords
- bobbin
- voice coil
- density
- fibers oriented
- coil bobbin
- 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
- 239000000835 fiber Substances 0.000 claims 2
- 238000005096 rolling process Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
図−１は本考案の一実施例に係るボイスコイル
用ボビンの斜視図、図−２および図−３はそれぞ
れ同ボビンの製造方法を示す説明図、図−４は従
来のボイスコイル用ボビンの斜視図、図−５は同
ボビンの製造方法を示す説明図である。
３……本考案のボイスコイル用ボビン、４……
原反から幅Ｗに切断された紙テープ。
Figure 1 is a perspective view of a voice coil bobbin according to an embodiment of the present invention, Figures 2 and 3 are explanatory diagrams showing the manufacturing method of the same bobbin, and Figure 4 is a conventional voice coil bobbin. The perspective view and FIG. 5 are explanatory diagrams showing a method of manufacturing the bobbin. 3... Voice coil bobbin of the present invention, 4...
Paper tape cut to width W from original roll.
Claims (1)
ビンであつて、ボビン周方向に配向した繊維の密
度Ｂよりボビン軸線方向に配向した繊維の密度Ａ
の方が大きく、Ａ／Ｂが２．５以下になつている
ことを特徴とするボイスコイル用ボビン。 In a voice coil bobbin formed by rolling paper into a cylindrical shape, the density A of fibers oriented in the bobbin axial direction is higher than the density B of fibers oriented in the circumferential direction of the bobbin.
A voice coil bobbin characterized by having a larger A/B ratio than 2.5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8122589U JPH0322498U (en) | 1989-07-12 | 1989-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8122589U JPH0322498U (en) | 1989-07-12 | 1989-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0322498U true JPH0322498U (en) | 1991-03-07 |
Family
ID=31626974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8122589U Pending JPH0322498U (en) | 1989-07-12 | 1989-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0322498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153259A (en) * | 2005-12-08 | 2007-06-21 | Asahi Denso Co Ltd | Ignition switch device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355698B2 (en) * | 1980-12-27 | 1988-11-04 | Canon Kk | |
| JPH01157200A (en) * | 1987-09-02 | 1989-06-20 | Meisei Sangyo:Kk | Manufacture of bobbin for voice coil |
-
1989
- 1989-07-12 JP JP8122589U patent/JPH0322498U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6355698B2 (en) * | 1980-12-27 | 1988-11-04 | Canon Kk | |
| JPH01157200A (en) * | 1987-09-02 | 1989-06-20 | Meisei Sangyo:Kk | Manufacture of bobbin for voice coil |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007153259A (en) * | 2005-12-08 | 2007-06-21 | Asahi Denso Co Ltd | Ignition switch device |