JPH01113451U - - Google Patents

Info

Publication number
JPH01113451U
JPH01113451U JP837688U JP837688U JPH01113451U JP H01113451 U JPH01113451 U JP H01113451U JP 837688 U JP837688 U JP 837688U JP 837688 U JP837688 U JP 837688U JP H01113451 U JPH01113451 U JP H01113451U
Authority
JP
Japan
Prior art keywords
front cover
rubber cap
waterproof sheet
microphone
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.)
Granted
Application number
JP837688U
Other languages
English (en)
Other versions
JPH0623086Y2 (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 JP1988008376U priority Critical patent/JPH0623086Y2/ja
Publication of JPH01113451U publication Critical patent/JPH01113451U/ja
Application granted granted Critical
Publication of JPH0623086Y2 publication Critical patent/JPH0623086Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Telephone Set Structure (AREA)

Description

【図面の簡単な説明】
第1図乃至第3図は実施例を示し、第1図は断
面をした側面図、第2図は特性図、第3図は断面
をした側面図である。第4図及び第5図は従来例
を示し、第4図及び第5図とも断面をした側面図
である。 1……ドアホン子器、2……前面カバー、3…
…音の入口、4……マイク、5……ゴムキヤツプ
、6……音の入口、8,9……ギヤツプ。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) 音の入口を有する前面カバーと、マイクと
    、マイクを覆いかつ音の入口を設けたゴムキヤツ
    プを有するドアホン子器において、前記前面カバ
    ーとゴムキヤツプ間に防水シートを設けるととも
    に、この防水シートに対向する前面カバーと、ゴ
    ムキヤツプのそれぞれにギヤツプを形成したこと
    を特徴とするドアホン子器。 (2) ギヤツプ径を6ミリ以上、前面カバーにお
    ける入口径を1.5ミリ以下とし、かつゴムキヤ
    ツプと防水シートの間に紙や布製等のフイルター
    を設けた実用新案登録請求の範囲第1項のドアホ
    ン子器。
JP1988008376U 1988-01-26 1988-01-26 ドアホン子器 Expired - Lifetime JPH0623086Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988008376U JPH0623086Y2 (ja) 1988-01-26 1988-01-26 ドアホン子器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988008376U JPH0623086Y2 (ja) 1988-01-26 1988-01-26 ドアホン子器

Publications (2)

Publication Number Publication Date
JPH01113451U true JPH01113451U (ja) 1989-07-31
JPH0623086Y2 JPH0623086Y2 (ja) 1994-06-15

Family

ID=31214199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988008376U Expired - Lifetime JPH0623086Y2 (ja) 1988-01-26 1988-01-26 ドアホン子器

Country Status (1)

Country Link
JP (1) JPH0623086Y2 (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0181058U (ja) * 1987-11-19 1989-05-31

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0181058U (ja) * 1987-11-19 1989-05-31

Also Published As

Publication number Publication date
JPH0623086Y2 (ja) 1994-06-15

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