JPH02113495U - - Google Patents

Info

Publication number
JPH02113495U
JPH02113495U JP2226189U JP2226189U JPH02113495U JP H02113495 U JPH02113495 U JP H02113495U JP 2226189 U JP2226189 U JP 2226189U JP 2226189 U JP2226189 U JP 2226189U JP H02113495 U JPH02113495 U JP H02113495U
Authority
JP
Japan
Prior art keywords
magnetic
magnetic circuit
curvature
radius
edge
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
JP2226189U
Other languages
English (en)
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 JP2226189U priority Critical patent/JPH02113495U/ja
Publication of JPH02113495U publication Critical patent/JPH02113495U/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】
第１図は本考案実施例の断面図、第２図は実施
例の磁極端縁部の要部拡大断面図、第３図は従来
例磁気回路の断面図、第４図は各磁気回路の磁束
分布図である。 １は外側磁極、２は内側磁極で
ある。

Claims (1)

    【実用新案登録請求の範囲】
  1. 放射状に磁力線が貫流するリング状の磁気空隙
    を有する磁気回路に於いて、上記リング状の磁気
    空隙を形成する外側磁極の端縁部の半径方向の曲
    率半径が磁気回路の外周方向に向かうにつれて大
    きくなると共に、内側磁極の端縁部の半径方向の
    曲率半径が磁気回路の内周方向に向かうにつれて
    大きくなる事を特徴とする動電型電気音響変換器
    用磁気回路。
JP2226189U 1989-02-27 1989-02-27 Pending JPH02113495U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2226189U JPH02113495U (ja) 1989-02-27 1989-02-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2226189U JPH02113495U (ja) 1989-02-27 1989-02-27

Publications (1)

Publication Number Publication Date
JPH02113495U true JPH02113495U (ja) 1990-09-11

Family

ID=31240218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2226189U Pending JPH02113495U (ja) 1989-02-27 1989-02-27

Country Status (1)

Country Link
JP (1) JPH02113495U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011007441A1 (ja) * 2009-07-16 2011-01-20 株式会社三和電機 加振音源器およびこれを用いたスピーカ装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011007441A1 (ja) * 2009-07-16 2011-01-20 株式会社三和電機 加振音源器およびこれを用いたスピーカ装置

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