JPH02123199U - - Google Patents

Info

Publication number
JPH02123199U
JPH02123199U JP3230489U JP3230489U JPH02123199U JP H02123199 U JPH02123199 U JP H02123199U JP 3230489 U JP3230489 U JP 3230489U JP 3230489 U JP3230489 U JP 3230489U JP H02123199 U JPH02123199 U JP H02123199U
Authority
JP
Japan
Prior art keywords
voice coil
magnetic circuit
diaphragm
spacing
protruding portion
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
JP3230489U
Other languages
English (en)
Other versions
JPH0749909Y2 (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 JP1989032304U priority Critical patent/JPH0749909Y2/ja
Publication of JPH02123199U publication Critical patent/JPH02123199U/ja
Application granted granted Critical
Publication of JPH0749909Y2 publication Critical patent/JPH0749909Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime 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図は本考案の一実施例における電話機用送
受話装置の断面図、第２図は従来の電話機用送受
話装置の断面図である。 １１……振動板、１１ａ……ボイスコイル固着
部、１１ｂ……突出部、１２……ボイスコイル、
１２ａ……ボイスコイルリード線、１３……上継
鉄、１４……下継鉄、１５……マグネツト、１６
……端子、１７……フレーム、１８……前面カバ
ー。

Claims (1)

    【実用新案登録請求の範囲】
  1. 振動板の略中心に円筒形のボイスコイルを固着
    してなる振動部と、上記ボイスコイルをはめこむ
    磁気ギヤツプを有する磁気回路を備え、前記振動
    板のボイスコイル固着部より内側に前記磁気回路
    側に突出した部分を設け、この突出部と磁気回路
    の間隔が前記ボイスコイルのリード線引出し部と
    磁気回路の間隔より小なる関係に構成した電話機
    用送受話装置。
JP1989032304U 1989-03-22 1989-03-22 電話機用送受話装置 Expired - Lifetime JPH0749909Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989032304U JPH0749909Y2 (ja) 1989-03-22 1989-03-22 電話機用送受話装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989032304U JPH0749909Y2 (ja) 1989-03-22 1989-03-22 電話機用送受話装置

Publications (2)

Publication Number Publication Date
JPH02123199U true JPH02123199U (ja) 1990-10-09
JPH0749909Y2 JPH0749909Y2 (ja) 1995-11-13

Family

ID=31258718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989032304U Expired - Lifetime JPH0749909Y2 (ja) 1989-03-22 1989-03-22 電話機用送受話装置

Country Status (1)

Country Link
JP (1) JPH0749909Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965856B2 (en) 2006-02-01 2011-06-21 Sanyo Electric Co., Ltd. Speaker unit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152093U (ja) * 1982-04-05 1983-10-12 セイコーインスツルメンツ株式会社 動電型スピ−カ

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58152093U (ja) * 1982-04-05 1983-10-12 セイコーインスツルメンツ株式会社 動電型スピ−カ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7965856B2 (en) 2006-02-01 2011-06-21 Sanyo Electric Co., Ltd. Speaker unit

Also Published As

Publication number Publication date
JPH0749909Y2 (ja) 1995-11-13

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Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term