JPH0332895U - - Google Patents

Info

Publication number
JPH0332895U
JPH0332895U JP9010489U JP9010489U JPH0332895U JP H0332895 U JPH0332895 U JP H0332895U JP 9010489 U JP9010489 U JP 9010489U JP 9010489 U JP9010489 U JP 9010489U JP H0332895 U JPH0332895 U JP H0332895U
Authority
JP
Japan
Prior art keywords
yoke
pole piece
outer periphery
magnet
circular hole
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.)
Granted
Application number
JP9010489U
Other languages
English (en)
Other versions
JP2511479Y2 (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 JP1989090104U priority Critical patent/JP2511479Y2/ja
Publication of JPH0332895U publication Critical patent/JPH0332895U/ja
Application granted granted Critical
Publication of JP2511479Y2 publication Critical patent/JP2511479Y2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

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

Description

【図面の簡単な説明】
第１図は本考案の一実施例の断面図、第２図は
第１図の断面切断部分を示した平面図、第３図は
従来技術を示す断面図、第４図は第３図のものの
平面図である。 １……ヨーク、１ａ，３ａ，４ａ，６ａ……孔
、２……起立部、３……マグネツト、４……ポー
ルピース、５……空〓、６……樹脂材。

Claims (1)

    【実用新案登録請求の範囲】
  1. 外周に起立部を有する環状のヨークの前記起立
    部の内側に、円板状のマグネツトと同形状のポー
    ルピースとを重ねて配設し、該マグネツトとポー
    ルピースの外周と前記ヨークとの間に形成される
    空〓にボイスコイルを配設したヘツドホンユニツ
    トにおいて、前記ヨークならびにマグネツト、ポ
    ールピースの中央部に円形の孔を穿設し、該円形
    の孔に、前記ヨークの外周を覆う樹脂材の一部を
    十字状等の放射状に流し込んで固形化したことを
    特徴とするヘツドホンユニツト。
JP1989090104U 1989-07-31 1989-07-31 ヘッドホンユニット Expired - Fee Related JP2511479Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989090104U JP2511479Y2 (ja) 1989-07-31 1989-07-31 ヘッドホンユニット

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989090104U JP2511479Y2 (ja) 1989-07-31 1989-07-31 ヘッドホンユニット

Publications (2)

Publication Number Publication Date
JPH0332895U true JPH0332895U (ja) 1991-03-29
JP2511479Y2 JP2511479Y2 (ja) 1996-09-25

Family

ID=31639643

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989090104U Expired - Fee Related JP2511479Y2 (ja) 1989-07-31 1989-07-31 ヘッドホンユニット

Country Status (1)

Country Link
JP (1) JP2511479Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48106228U (ja) * 1972-03-10 1973-12-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48106228U (ja) * 1972-03-10 1973-12-10

Also Published As

Publication number Publication date
JP2511479Y2 (ja) 1996-09-25

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees