JPS61174297U - - Google Patents
Info
- Publication number
- JPS61174297U JPS61174297U JP5733685U JP5733685U JPS61174297U JP S61174297 U JPS61174297 U JP S61174297U JP 5733685 U JP5733685 U JP 5733685U JP 5733685 U JP5733685 U JP 5733685U JP S61174297 U JPS61174297 U JP S61174297U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- magnetic
- gap
- circuit structure
- speaker
- 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
- 230000005291 magnetic effect Effects 0.000 claims description 29
- 239000000470 constituent Substances 0.000 claims 1
- 239000003302 ferromagnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 5
- 239000004020 conductor Substances 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は本考案に係るスピーカの磁気回路構造
を示す半裁断面図で、第２図は同磁気回路構造に
おける磁気ギヤツプの磁束分布図、第３図は同磁
気回路構造におけるＢ１（Ｂは磁気ギヤツプの磁
束密度、１はボイスコイルの導体の長さ）分布図
、第４図はスピーカのエツジ特性、第５図は従来
のスピーカの磁気回路構造を示す半裁断面図で、
第６図は同磁気回路構造における磁気ギヤツプの
磁束分布図、第７図は同磁気回路構造におけるＢ
１分布図、第８図は他の従来例のスピーカの磁気
回路構造を示す半裁断面図で、第９図は同磁気回
路構造における磁気ギヤツプの磁束分布図、第１
０図は同磁気回路構造におけるＢ１分布図ある。
１０，１５……磁気回路、１１……トツププレ
ート、１２，１６……マグネツト、１３……ポー
ル、１４……ヨーク、１８……磁気ギヤツプ、１
９……ボイスコイル、２０……ギヤツプ、２１…
…空間部、２２……磁性リング。
Fig. 1 is a half-cut sectional view showing the magnetic circuit structure of the speaker according to the present invention, Fig. 2 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure, and Fig. 3 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure. The magnetic flux density of the gap, 1 is the length of the voice coil conductor) distribution diagram, Figure 4 is the edge characteristics of the speaker, and Figure 5 is a half-cut cross-sectional view showing the magnetic circuit structure of a conventional speaker.
Figure 6 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure, and Figure 7 is B in the same magnetic circuit structure.
1 distribution diagram, and FIG. 8 is a half-cut cross-sectional view showing the magnetic circuit structure of another conventional speaker, and FIG. 9 is a magnetic flux distribution diagram of the magnetic gap in the same magnetic circuit structure.
Figure 0 is a B1 distribution diagram in the same magnetic circuit structure. 10, 15... Magnetic circuit, 11... Top plate, 12, 16... Magnet, 13... Pole, 14... Yoke, 18... Magnetic gap, 1
9...Voice coil, 20...Gap, 21...
...Space part, 22...Magnetic ring.
Claims (1)
クより成る第１の磁気回路と、該磁気回路の磁気
ギヤツプの近傍にギヤツプを有し、第１の磁気回
路の構成部材の一部を共有した第２の磁気回路と
から構成され、第１の磁気回路の空間部には強磁
性体の磁性リングを遊離状態で配置したことを特
徴とするスピーカの磁気回路構造。 A first magnetic circuit consisting of a top plate, a magnet, a pole and a yoke, and a second magnetic circuit having a gap near the magnetic gap of the magnetic circuit and sharing some of the constituent members of the first magnetic circuit. A magnetic circuit structure for a speaker, characterized in that a magnetic ring of ferromagnetic material is disposed in a free state in a space of the first magnetic circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5733685U JPS61174297U (en) | 1985-04-17 | 1985-04-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5733685U JPS61174297U (en) | 1985-04-17 | 1985-04-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61174297U true JPS61174297U (en) | 1986-10-30 |
Family
ID=30581766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5733685U Pending JPS61174297U (en) | 1985-04-17 | 1985-04-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61174297U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062895U (en) * | 1992-06-12 | 1994-01-14 | オンキヨー株式会社 | Magnetic circuit for speaker |
-
1985
- 1985-04-17 JP JP5733685U patent/JPS61174297U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH062895U (en) * | 1992-06-12 | 1994-01-14 | オンキヨー株式会社 | Magnetic circuit for speaker |
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