JPH0264296U - - Google Patents

Info

Publication number
JPH0264296U
JPH0264296U JP14268888U JP14268888U JPH0264296U JP H0264296 U JPH0264296 U JP H0264296U JP 14268888 U JP14268888 U JP 14268888U JP 14268888 U JP14268888 U JP 14268888U JP H0264296 U JPH0264296 U JP H0264296U
Authority
JP
Japan
Prior art keywords
coil
detection coil
excitation
arrangement structure
wound around
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
JP14268888U
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 JP14268888U priority Critical patent/JPH0264296U/ja
Publication of JPH0264296U publication Critical patent/JPH0264296U/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図は本考案の第1の実施例に係る振動装置
用検出コイルの配置構造を示す断面図、第2図は
本考案の第2の実施例に係る振動装置用検出コイ
ルの配置構造を示す断面図である。 図中、2……ドライブアンプ、4……振動装置
、6,9……検出コイル、41……コイルハウジ
ング、42……励磁体、44……励磁コイル、5
8……磁気回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 環状のコイルハウジング内に励磁コイルを巻回
    した偏平の励磁体と、該励磁体と所定間隔をおい
    て対向する磁気回路とを備え、該励磁コイルにド
    ライブアンプを通じて交番電流を印加することに
    より振動を発生する振動装置に、前記ドライブア
    ンプに誘起起電力をフイードバツクする検出コイ
    ルを巻回配置した振動装置用検出コイルの配置構
    造において、 前記検出コイルを前記励磁体の外側で前記磁気
    回路の磁束による磁界の範囲内に配置した ことを特徴とする振動装置用検出コイルの配置
    構造。
JP14268888U 1988-11-02 1988-11-02 Pending JPH0264296U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14268888U JPH0264296U (ja) 1988-11-02 1988-11-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14268888U JPH0264296U (ja) 1988-11-02 1988-11-02

Publications (1)

Publication Number Publication Date
JPH0264296U true JPH0264296U (ja) 1990-05-15

Family

ID=31408849

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14268888U Pending JPH0264296U (ja) 1988-11-02 1988-11-02

Country Status (1)

Country Link
JP (1) JPH0264296U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672599A (en) * 1979-11-19 1981-06-16 Advance:Kk Detection system for deviation of vibration system of moving coil type loudspeaker

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5672599A (en) * 1979-11-19 1981-06-16 Advance:Kk Detection system for deviation of vibration system of moving coil type loudspeaker

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