JPS5959083U - Open air headphone equipment - Google Patents

Open air headphone equipment

Info

Publication number
JPS5959083U
JPS5959083U JP15433382U JP15433382U JPS5959083U JP S5959083 U JPS5959083 U JP S5959083U JP 15433382 U JP15433382 U JP 15433382U JP 15433382 U JP15433382 U JP 15433382U JP S5959083 U JPS5959083 U JP S5959083U
Authority
JP
Japan
Prior art keywords
open air
headphone equipment
microphone
air headphone
equipment
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.)
Pending
Application number
JP15433382U
Other languages
Japanese (ja)
Inventor
飯塚　源一
Original Assignee
ソニー株式会社
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 by ソニー株式会社 filed Critical ソニー株式会社
Priority to JP15433382U priority Critical patent/JPS5959083U/en
Publication of JPS5959083U publication Critical patent/JPS5959083U/en
Pending legal-status Critical Current

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  • Headphones And Earphones (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案オープンエア型のヘッドホン装置の一実
施例を示す斜視図、第２図は第１図の回路構成の例を示
す回路構成図、第３図は本考案の他の実施例を示す斜視
図、第４図は第３図の要部の回路構成の例を示す回路構
成図である。 １Ｌ及び１Ｒは夫々左及び右ヘッドホン本体、２はプラ
グ、６は透孔、７はマイクロホン、８は切換スイッチ、
９は位相反転増幅回路、１０及び２２は夫々合成器、１
１はスピーカユニット、１２はカセットテープレコーダ
、１５は内蔵マイクロホン、１６はマイクロホンジャッ
ク、１７はヘッドホンジャック、１８はモードａ換ｉ子
、２３はモード切換スイッチ、２４は位相反転非反転増
幅回路である。Fig. 1 is a perspective view showing one embodiment of the open air type headphone device of the present invention, Fig. 2 is a circuit configuration diagram showing an example of the circuit configuration of Fig. 1, and Fig. 3 is another embodiment of the present invention. FIG. 4 is a circuit configuration diagram showing an example of the circuit configuration of the main part of FIG. 3. 1L and 1R are left and right headphone bodies respectively, 2 is a plug, 6 is a through hole, 7 is a microphone, 8 is a selector switch,
9 is a phase inversion amplifier circuit, 10 and 22 are each a combiner, 1
1 is a speaker unit, 12 is a cassette tape recorder, 15 is a built-in microphone, 16 is a microphone jack, 17 is a headphone jack, 18 is a mode A switch, 23 is a mode changeover switch, and 24 is a phase inverting non-inverting amplifier circuit. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マイクロホンを設け、該マイクロホンで得た外部音信号
を位相反転してスピーカに供給する様にしたことを特徴
とするオープンエア型のヘッドホー　　ン装置。1. An open-air headphone device characterized by being equipped with a microphone and supplying an external sound signal obtained by the microphone to a speaker after inverting its phase.
JP15433382U 1982-10-12 1982-10-12 Open air headphone equipment Pending JPS5959083U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15433382U JPS5959083U (en) 1982-10-12 1982-10-12 Open air headphone equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15433382U JPS5959083U (en) 1982-10-12 1982-10-12 Open air headphone equipment

Publications (1)

Publication Number Publication Date
JPS5959083U true JPS5959083U (en) 1984-04-17

Family

ID=30341186

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15433382U Pending JPS5959083U (en) 1982-10-12 1982-10-12 Open air headphone equipment

Country Status (1)

Country Link
JP (1) JPS5959083U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112496A (en) * 1984-11-07 1986-05-30 Nissan Motor Co Ltd Room noise reducing device of vehicle
WO2008013184A1 (en) * 2006-07-26 2008-01-31 Panasonic Corporation Active noise reduction system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61112496A (en) * 1984-11-07 1986-05-30 Nissan Motor Co Ltd Room noise reducing device of vehicle
WO2008013184A1 (en) * 2006-07-26 2008-01-31 Panasonic Corporation Active noise reduction system

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