JPH01122694U - - Google Patents

Info

Publication number
JPH01122694U
JPH01122694U JP1818488U JP1818488U JPH01122694U JP H01122694 U JPH01122694 U JP H01122694U JP 1818488 U JP1818488 U JP 1818488U JP 1818488 U JP1818488 U JP 1818488U JP H01122694 U JPH01122694 U JP H01122694U
Authority
JP
Japan
Prior art keywords
bobbin material
voice coil
rib
circumference
utility
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
JP1818488U
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 JP1818488U priority Critical patent/JPH01122694U/ja
Publication of JPH01122694U publication Critical patent/JPH01122694U/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図は通常の金属ボビン材を用いたボイスコ
イルの一部側面図、一部断面図を示す。第2図は
本考案による金属ボビン材を用いたボイスコイル
の一部側面図、一部断面図を示す。 1……金属ボビン材、2……リブ、3……金属
箔、4……絶縁層、5……耐熱性ワニス、6……
コイル、7……リード線、8……補強紙、9……
下余白部分。

Claims (1)

    【実用新案登録請求の範囲】
  1. 金属ボビン材の下余白部分の直上、円周に沿つ
    て、線径と同じ程度の高さのリブを形成したこと
    を特徴とするボイスコイル用ボビン材。
JP1818488U 1988-02-16 1988-02-16 Pending JPH01122694U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1818488U JPH01122694U (ja) 1988-02-16 1988-02-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1818488U JPH01122694U (ja) 1988-02-16 1988-02-16

Publications (1)

Publication Number Publication Date
JPH01122694U true JPH01122694U (ja) 1989-08-21

Family

ID=31232599

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1818488U Pending JPH01122694U (ja) 1988-02-16 1988-02-16

Country Status (1)

Country Link
JP (1) JPH01122694U (ja)

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