JPH0369997U - - Google Patents
Info
- Publication number
- JPH0369997U JPH0369997U JP12802689U JP12802689U JPH0369997U JP H0369997 U JPH0369997 U JP H0369997U JP 12802689 U JP12802689 U JP 12802689U JP 12802689 U JP12802689 U JP 12802689U JP H0369997 U JPH0369997 U JP H0369997U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic circuit
- silicon
- yoke
- pole piece
- electroacoustic transducer
- 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
- 229910052710 silicon Inorganic materials 0.000 claims description 3
- 239000010703 silicon Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- XWHPIFXRKKHEKR-UHFFFAOYSA-N iron silicon Chemical compound [Si].[Fe] XWHPIFXRKKHEKR-UHFFFAOYSA-N 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図はこの考案の一実施例における要部を示
す縦断面図、第２図は従来の電気音響変換器の一
例の要部を示す縦断面図である。
図において、１……ボイスコイル、４……振動
板、５……ヨークフランジ、６……振動板リング
、７……マグネツト、１１……ポールピース、１
２，１３……珪素鉄板、１４……絶縁材、１５…
…ヨークプレートである。
FIG. 1 is a vertical cross-sectional view showing the main parts of an embodiment of this invention, and FIG. 2 is a vertical cross-sectional view showing the main parts of an example of a conventional electroacoustic transducer. In the figure, 1...Voice coil, 4...Diaphragm, 5...Yoke flange, 6...Diaphragm ring, 7...Magnet, 11...Pole piece, 1
2, 13...Silicon iron plate, 14...Insulating material, 15...
...It is a yoke plate.
Claims (1)
ルピースとヨークおよびマグネツトで構成される
磁気回路の間隙に位置させた電気音響変換器の磁
気回路において、少なくとも前記ポールピースと
前記ヨークのいずれか一方が珪素を４〜７ｗｔ％
含有する珪素鉄板で構成されていることを特徴と
する電気音響変換器の磁気回路。 In a magnetic circuit of an electroacoustic transducer in which a voice coil fixed to the center of a diaphragm is located in a gap between a magnetic circuit consisting of a pole piece, a yoke, and a magnet, at least one of the pole piece and the yoke is 4-7wt% silicon
A magnetic circuit for an electroacoustic transducer, characterized in that it is composed of a silicon iron plate containing silicon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12802689U JPH0369997U (en) | 1989-11-01 | 1989-11-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12802689U JPH0369997U (en) | 1989-11-01 | 1989-11-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0369997U true JPH0369997U (en) | 1991-07-12 |
Family
ID=31675758
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12802689U Pending JPH0369997U (en) | 1989-11-01 | 1989-11-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369997U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009038608A (en) * | 2007-08-02 | 2009-02-19 | Pioneer Electronic Corp | Magnetic circuit |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507514A (en) * | 1973-05-18 | 1975-01-25 | ||
| JPS60167309A (en) * | 1984-02-09 | 1985-08-30 | Matsushita Electric Ind Co Ltd | Inside magnet type magnetic circuit |
-
1989
- 1989-11-01 JP JP12802689U patent/JPH0369997U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS507514A (en) * | 1973-05-18 | 1975-01-25 | ||
| JPS60167309A (en) * | 1984-02-09 | 1985-08-30 | Matsushita Electric Ind Co Ltd | Inside magnet type magnetic circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009038608A (en) * | 2007-08-02 | 2009-02-19 | Pioneer Electronic Corp | Magnetic circuit |
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