JPS5881600U - headphone device - Google Patents
headphone deviceInfo
- Publication number
- JPS5881600U JPS5881600U JP17856981U JP17856981U JPS5881600U JP S5881600 U JPS5881600 U JP S5881600U JP 17856981 U JP17856981 U JP 17856981U JP 17856981 U JP17856981 U JP 17856981U JP S5881600 U JPS5881600 U JP S5881600U
- Authority
- JP
- Japan
- Prior art keywords
- output
- amplifier
- microphone
- transducer
- headphone device
- 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
- Control Of Amplification And Gain Control (AREA)
- 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図は本案の一実施例であるヘッドホーン装置の平面
図であり、第２図は第１図に示すヘッドホーン装置の電
気回路のブロックダイアグラムである。ここに
１７・・・第１の入力端子、１・・・ケース、１３・・
・スピーカー等のトランジューサ、５・・・マイクロホ
ン、６・・・第一の増幅器、１４・・・整流回路、１５
・・・第２の増幅器、７・・・ゲート回路、４・・・混
合回路である。FIG. 1 is a plan view of a headphone device according to an embodiment of the present invention, and FIG. 2 is a block diagram of an electric circuit of the headphone device shown in FIG. Here 17...first input terminal, 1...case, 13...
- Transducer such as speaker, 5... Microphone, 6... First amplifier, 14... Rectifier circuit, 15
. . . second amplifier, 7 . . . gate circuit, 4 . . . mixing circuit.
Claims (1)
端子と、ヘッドホーンのケースに内蔵され音声信号を音
響信号に変換するスピーカー等のトランジューサと、前
記スピーカー等のトランジューサを内蔵するケースの外
周に周囲の音を検知するために取付けられたマイクロホ
ンと、このマイクロホンの出力を増幅する第一の増幅器
と、この第一の増幅器の出力を整流する整流回路と、前
記マイクロホンからの音声信号を増幅する第２の増幅器
と、この第２の増幅器の出力を入力し制御端子に前記整
流出力が予め決められた値以上のときのみ出力するゲー
ト回路と、このゲート回路の出力と前記第一の入力端子
に与えられる信号とを入力して混合し前記トランジュー
サを駆動する出力を送出する混合回路とからなるヘッド
ホーン装置。[Scope of Claim for Utility Model Registration] A closed headphone device, which includes a first input terminal that receives input from a sound device to the headphone device, and a speaker built into the case of the headphone that converts audio signals into acoustic signals. a transducer such as the speaker, a microphone attached to the outer periphery of a case containing the transducer such as the speaker for detecting surrounding sounds, a first amplifier for amplifying the output of the microphone, and a first amplifier for amplifying the output of the microphone. a rectifier circuit that rectifies the output of the amplifier; a second amplifier that amplifies the audio signal from the microphone; the output of the second amplifier is input to a control terminal when the rectified output is greater than a predetermined value; A headphone device comprising: a gate circuit that outputs only one signal; and a mixing circuit that inputs and mixes the output of the gate circuit and a signal applied to the first input terminal, and sends out an output that drives the transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17856981U JPS5881600U (en) | 1981-11-30 | 1981-11-30 | headphone device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17856981U JPS5881600U (en) | 1981-11-30 | 1981-11-30 | headphone device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5881600U true JPS5881600U (en) | 1983-06-02 |
Family
ID=29973486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17856981U Pending JPS5881600U (en) | 1981-11-30 | 1981-11-30 | headphone device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5881600U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013051600A (en) * | 2011-08-31 | 2013-03-14 | Rohm Co Ltd | Audio signal processing circuit, audio system using the same, and electronic apparatus |
| JP2014204205A (en) * | 2013-04-02 | 2014-10-27 | ヤマハ株式会社 | Headphone |
| JP2018011338A (en) * | 2017-09-12 | 2018-01-18 | ヤマハ株式会社 | headphone |
-
1981
- 1981-11-30 JP JP17856981U patent/JPS5881600U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013051600A (en) * | 2011-08-31 | 2013-03-14 | Rohm Co Ltd | Audio signal processing circuit, audio system using the same, and electronic apparatus |
| JP2014204205A (en) * | 2013-04-02 | 2014-10-27 | ヤマハ株式会社 | Headphone |
| JP2018011338A (en) * | 2017-09-12 | 2018-01-18 | ヤマハ株式会社 | headphone |
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