JPS5959083U - Open air headphone equipment - Google Patents
Open air headphone equipmentInfo
- 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
Links
Landscapes
- 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
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)
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.
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)
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 |
-
1982
- 1982-10-12 JP JP15433382U patent/JPS5959083U/en active Pending
Cited By (2)
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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