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
Application number
JP7476486U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP7476486U priority Critical patent/JPS62186592U/ja
Publication of JPS62186592U publication Critical patent/JPS62186592U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

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)

【実用新案登録請求の範囲】[Scope of utility model registration request] センターポールを有する下部プレートと、該下
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.
JP7476486U 1986-05-19 1986-05-19 Pending JPS62186592U (en)

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)

* Cited by examiner, † Cited by third party
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

Cited By (3)

* Cited by examiner, † Cited by third party
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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