JPS63117195U - - Google Patents

Info

Publication number
JPS63117195U
JPS63117195U JP949487U JP949487U JPS63117195U JP S63117195 U JPS63117195 U JP S63117195U JP 949487 U JP949487 U JP 949487U JP 949487 U JP949487 U JP 949487U JP S63117195 U JPS63117195 U JP S63117195U
Authority
JP
Japan
Prior art keywords
outer periphery
headphone device
center cap
cone diaphragm
diameter
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
JP949487U
Other languages
English (en)
Other versions
JP2545873Y2 (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 JP949487U priority Critical patent/JP2545873Y2/ja
Publication of JPS63117195U publication Critical patent/JPS63117195U/ja
Application granted granted Critical
Publication of JP2545873Y2 publication Critical patent/JP2545873Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Headphones And Earphones (AREA)

Description

【図面の簡単な説明】
第1図はこの考案によるヘツドホン装置の構成
を示す断面図、第2図はその平面図である。 1……センターキヤツプ、2……ロールエツジ
、3……コーン振動板、4……保護板、5……開
口部。

Claims (1)

    【実用新案登録請求の範囲】
  1. センターキヤツプの外周にロールエツジを有す
    るヘツドホン装置において、その振動系の有効振
    動面積と略等しい径を有するコーン振動板を該セ
    ンターキヤツプの外周に形成し、かつ該コーン振
    動板の径以下に保護板の開口部を設けたことを特
    徴とするヘツドホン装置。
JP949487U 1987-01-26 1987-01-26 ヘツドホン装置 Expired - Lifetime JP2545873Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP949487U JP2545873Y2 (ja) 1987-01-26 1987-01-26 ヘツドホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP949487U JP2545873Y2 (ja) 1987-01-26 1987-01-26 ヘツドホン装置

Publications (2)

Publication Number Publication Date
JPS63117195U true JPS63117195U (ja) 1988-07-28
JP2545873Y2 JP2545873Y2 (ja) 1997-08-27

Family

ID=30794862

Family Applications (1)

Application Number Title Priority Date Filing Date
JP949487U Expired - Lifetime JP2545873Y2 (ja) 1987-01-26 1987-01-26 ヘツドホン装置

Country Status (1)

Country Link
JP (1) JP2545873Y2 (ja)

Also Published As

Publication number Publication date
JP2545873Y2 (ja) 1997-08-27

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