JPH01107294U - - Google Patents

Info

Publication number
JPH01107294U
JPH01107294U JP229488U JP229488U JPH01107294U JP H01107294 U JPH01107294 U JP H01107294U JP 229488 U JP229488 U JP 229488U JP 229488 U JP229488 U JP 229488U JP H01107294 U JPH01107294 U JP H01107294U
Authority
JP
Japan
Prior art keywords
case
groove
earphone
guide path
lid
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
JP229488U
Other languages
Japanese (ja)
Other versions
JPH0625114Y2 (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 JP1988002294U priority Critical patent/JPH0625114Y2/en
Publication of JPH01107294U publication Critical patent/JPH01107294U/ja
Application granted granted Critical
Publication of JPH0625114Y2 publication Critical patent/JPH0625114Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例を示すイヤホンの断面
図、第２図は従来のイヤホンの一部切欠き平面図
、第３図は第２図のＡ―Ａ線断面図、第４図は第
１図の一部切欠き平面図である。 １０…ケース、１０ｂ…前面外壁、１０ｃ…溝
、１０ｄ…開孔部、１１…蓋体、１１ａ…突起部
、１１ｂ…放音孔、１５…圧電型振動板、１７…
コード。 Fig. 1 is a sectional view of an earphone showing an embodiment of the present invention, Fig. 2 is a partially cutaway plan view of a conventional earphone, Fig. 3 is a sectional view taken along line AA in Fig. 2, and Fig. 4 is a sectional view of an earphone showing an embodiment of the present invention. FIG. 2 is a partially cutaway plan view of FIG. 1; DESCRIPTION OF SYMBOLS 10...Case, 10b...Front outer wall, 10c...Groove, 10d...Opening part, 11...Lid body, 11a...Protrusion part, 11b...Sound emission hole, 15...Piezoelectric type diaphragm, 17...
code.

Claims (1)

【実用新案登録請求の範囲】 １ 耳の耳介に挿入するためのケースと、このケ
ースに収容されコードと接続された発音体とを備
えたイヤホンにおいて、 前記発音体を圧電型振動板で構成すると共に、
耳の外耳道に対向する前記ケースの全面外壁内に
、一端が該ケース内に他端が該ケース外にそれぞ
れ開孔された導音路を形成したことを特徴とする
イヤホン。 ２ 前記導音路は、長さ調整可能な構造である請
求項１項記載のイヤホン。 ３ 前記導音路は、前記ケースの前面外壁の外側
に形成され一端が前記ケース内に開孔された円弧
状の溝と、この溝を外側から封止する蓋体と、こ
の蓋体の内側に突設され前記溝内に摺動自在に挿
入された突起部と、この突起部と隣接して前記蓋
体に形成された放音孔とで構成した請求項２項記
載のイヤホン。[Claims for Utility Model Registration] 1. An earphone comprising a case for insertion into the pinna of the ear and a sounding body housed in the case and connected to a cord, wherein the sounding body is composed of a piezoelectric diaphragm. At the same time,
An earphone characterized in that a sound guide path is formed in the entire outer wall of the case facing the external auditory canal of the ear, with one end opening inside the case and the other end opening outside the case. 2. The earphone according to claim 1, wherein the sound guide path has a length-adjustable structure. 3. The sound guide path includes an arc-shaped groove formed on the outside of the front outer wall of the case and having one end opened inside the case, a lid that seals this groove from the outside, and an inside of the lid. 3. The earphone according to claim 2, comprising a protrusion protruding from the groove and slidably inserted into the groove, and a sound emitting hole formed in the lid body adjacent to the protrusion.
JP1988002294U 1988-01-12 1988-01-12 earphone Expired - Lifetime JPH0625114Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988002294U JPH0625114Y2 (en) 1988-01-12 1988-01-12 earphone

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988002294U JPH0625114Y2 (en) 1988-01-12 1988-01-12 earphone

Publications (2)

Publication Number Publication Date
JPH01107294U true JPH01107294U (en) 1989-07-19
JPH0625114Y2 JPH0625114Y2 (en) 1994-06-29

Family

ID=31202936

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988002294U Expired - Lifetime JPH0625114Y2 (en) 1988-01-12 1988-01-12 earphone

Country Status (1)

Country Link
JP (1) JPH0625114Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523566A (en) * 2008-05-02 2011-08-18 ダイメディックス コーポレイション Agitator for stimulating the central nervous system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019376U (en) * 1973-06-15 1975-03-04
JPS625787U (en) * 1985-06-25 1987-01-14

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5019376U (en) * 1973-06-15 1975-03-04
JPS625787U (en) * 1985-06-25 1987-01-14

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011523566A (en) * 2008-05-02 2011-08-18 ダイメディックス コーポレイション Agitator for stimulating the central nervous system

Also Published As

Publication number Publication date
JPH0625114Y2 (en) 1994-06-29

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