JPS62186592U - - Google Patents
Info
- Publication number
- JPS62186592U JPS62186592U JP7476486U JP7476486U JPS62186592U JP S62186592 U JPS62186592 U JP S62186592U JP 7476486 U JP7476486 U JP 7476486U JP 7476486 U JP7476486 U JP 7476486U JP S62186592 U JPS62186592 U JP S62186592U
- Authority
- JP
- Japan
- Prior art keywords
- center pole
- lower plate
- main magnet
- magnet
- frame
- 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
- 230000005415 magnetization Effects 0.000 claims 1
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
図面はそれぞれスピーカの断面図を示し、第1
図および第2図はそれぞれこの考案の実施例、第
3図は従来例である。
1……下部プレート、2……センターポール、
3……主磁石、4……上部プレート、5……磁気
ギヤツプ、6……補助磁石、8……磁気回路、9
……フレーム、11……ボイスコイル、12,1
2′……キヤンセル用磁石。
The drawings each show a cross-sectional view of the speaker, and the first
2 and 2 show an embodiment of this invention, and FIG. 3 shows a conventional example. 1... lower plate, 2... center pole,
3... Main magnet, 4... Upper plate, 5... Magnetic gap, 6... Auxiliary magnet, 8... Magnetic circuit, 9
...Frame, 11...Voice coil, 12,1
2'... Cancel magnet.
Claims (1)
部プレート上に設けられ軸方向に着磁されたリン
グ状の主磁石と、該主磁石上に設けられ前記セン
ターポールとの間にボイスコイルが挿入される磁
気ギヤツプを形成したリング状の上部プレートと
、前記下部プレートの下面に設けられ前記主磁石
と磁化方向が逆の補助磁石とにより構成された低
漏洩型磁気回路を有し、前記上部プレート上に上
方へ拡開したフレームが固定されたスピーカにお
いて、前記フレームの内側に、前記センターポー
ルと同一の磁極を該センターポールに向けて漂遊
磁界キヤンセル用磁石を設けたスピーカ。 A lower plate having a center pole, a ring-shaped main magnet provided on the lower plate and magnetized in the axial direction, and a magnetic field in which a voice coil is inserted between the main magnet and the center pole. A low-leakage magnetic circuit includes a ring-shaped upper plate forming a gap, and an auxiliary magnet provided on the lower surface of the lower plate and having a magnetization direction opposite to that of the main magnet. 1. A speaker to which a frame that is expanded to a fixed position is fixed, and a stray magnetic field canceling magnet is provided inside the frame with the same magnetic pole as the center pole facing the center pole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7476486U JPS62186592U (en) | 1986-05-19 | 1986-05-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7476486U JPS62186592U (en) | 1986-05-19 | 1986-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS62186592U true JPS62186592U (en) | 1987-11-27 |
Family
ID=30920283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7476486U Pending JPS62186592U (en) | 1986-05-19 | 1986-05-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS62186592U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005354571A (en) * | 2004-06-14 | 2005-12-22 | Audio Technica Corp | Dynamic microphone |
JP2014127786A (en) * | 2012-12-26 | 2014-07-07 | Kenta Tanaka | Speaker device |
-
1986
- 1986-05-19 JP JP7476486U patent/JPS62186592U/ja active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005354571A (en) * | 2004-06-14 | 2005-12-22 | Audio Technica Corp | Dynamic microphone |
JP4573576B2 (en) * | 2004-06-14 | 2010-11-04 | 株式会社オーディオテクニカ | Dynamic microphone |
JP2014127786A (en) * | 2012-12-26 | 2014-07-07 | Kenta Tanaka | Speaker device |
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