JPH01122691U - - Google Patents

Info

Publication number
JPH01122691U
JPH01122691U JP1819788U JP1819788U JPH01122691U JP H01122691 U JPH01122691 U JP H01122691U JP 1819788 U JP1819788 U JP 1819788U JP 1819788 U JP1819788 U JP 1819788U JP H01122691 U JPH01122691 U JP H01122691U
Authority
JP
Japan
Prior art keywords
thin film
magnetic field
full
drive type
electromagnetic drive
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
JP1819788U
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 JP1819788U priority Critical patent/JPH01122691U/ja
Publication of JPH01122691U publication Critical patent/JPH01122691U/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図乃至第3図はこの考案に係る全面電磁駆
動型電気・音響変換器の実施例を示し、第1図は
分解斜視図、第2図は完成図、第3図はこの考案
の動作原理を示す断面図である。 主要部分の符号の説明、1:永久磁石、2:バ
ツクプレート、2a:センターポール、3:振動
薄膜、4:導電体。

Claims (1)

  1. 【実用新案登録請求の範囲】 スパイラル状に導電体をプリントまたは蒸着し
    た絶縁材からなる振動薄膜を磁界中に配置した全
    面電磁駆動型電気音響変換器において、 前記振動薄膜をリング状に形成した永久磁石と
    センターポールを有するバツクプレートとからな
    る磁界中に配置するように構成したことを特徴と
    する全面電磁駆動型電気音響変換器。
JP1819788U 1988-02-16 1988-02-16 Pending JPH01122691U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1819788U JPH01122691U (ja) 1988-02-16 1988-02-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1819788U JPH01122691U (ja) 1988-02-16 1988-02-16

Publications (1)

Publication Number Publication Date
JPH01122691U true JPH01122691U (ja) 1989-08-21

Family

ID=31232624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1819788U Pending JPH01122691U (ja) 1988-02-16 1988-02-16

Country Status (1)

Country Link
JP (1) JPH01122691U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8155373B2 (en) 2006-10-31 2012-04-10 Sanyo Electric Co., Ltd. Electroacoustic transducer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8155373B2 (en) 2006-10-31 2012-04-10 Sanyo Electric Co., Ltd. Electroacoustic transducer

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