JPS6381494U - - Google Patents
Info
- Publication number
- JPS6381494U JPS6381494U JP17441386U JP17441386U JPS6381494U JP S6381494 U JPS6381494 U JP S6381494U JP 17441386 U JP17441386 U JP 17441386U JP 17441386 U JP17441386 U JP 17441386U JP S6381494 U JPS6381494 U JP S6381494U
- Authority
- JP
- Japan
- Prior art keywords
- magnetic flux
- leakage magnetic
- speaker
- cancel magnet
- demagnetization
- 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
- 230000005347 demagnetization Effects 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 description 1
- 229910052712 strontium Inorganic materials 0.000 description 1
- CIOAGBVUUVVLOB-UHFFFAOYSA-N strontium atom Chemical compound [Sr] CIOAGBVUUVVLOB-UHFFFAOYSA-N 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図はストロンチウムフエライトマグネツト
をキヤンセルマグネツトに使用した本考案スピー
カの減磁曲線を示す図、第２図はバリウムフエラ
イトマグネツトをキヤンセルマグネツトに使用し
た従来のスピーカの減磁曲線を示す図、第３図は
本考案および従来の低漏洩磁束型スピーカの磁気
回路を示す図である。
１……トツププレート、２……メインマグネツ
ト、３……ボトムプレート、３ａ……センターポ
ール、４……キヤンセルマグネツト。
Figure 1 shows the demagnetization curve of the speaker of the present invention using a strontium ferrite magnet as a cancel magnet, and Figure 2 shows the demagnetization curve of a conventional speaker using a barium ferrite magnet as a cancel magnet. 3 are diagrams showing magnetic circuits of the present invention and a conventional low leakage magnetic flux type speaker. 1...Top plate, 2...Main magnet, 3...Bottom plate, 3a...Center pole, 4...Cancel magnet.
Claims (1)
セルマグネツトを有する低漏洩磁束型スピーカに
おいて、前記キヤンセルマグネツトとして低温時
の減磁曲線における変曲点以上の動作点をとる磁
性材料を使用し低温減磁を防止することを特徴と
する低漏洩磁束型スピーカ。 In a low leakage magnetic flux speaker having a cancel magnet to reduce leakage magnetic flux in the main magnetic circuit, the cancel magnet is made of a magnetic material that has an operating point above the inflection point in the demagnetization curve at low temperatures. A low leakage magnetic flux speaker that prevents demagnetization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17441386U JPS6381494U (en) | 1986-11-12 | 1986-11-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17441386U JPS6381494U (en) | 1986-11-12 | 1986-11-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381494U true JPS6381494U (en) | 1988-05-28 |
Family
ID=31112773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17441386U Pending JPS6381494U (en) | 1986-11-12 | 1986-11-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017029310A (en) * | 2015-07-30 | 2017-02-09 | 株式会社三共 | Game machine and device for game |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61219296A (en) * | 1985-03-25 | 1986-09-29 | Matsushita Electric Ind Co Ltd | Magnetic screening speaker |
-
1986
- 1986-11-12 JP JP17441386U patent/JPS6381494U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61219296A (en) * | 1985-03-25 | 1986-09-29 | Matsushita Electric Ind Co Ltd | Magnetic screening speaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017029310A (en) * | 2015-07-30 | 2017-02-09 | 株式会社三共 | Game machine and device for game |
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