JPS58138487U - Sound equipment with headphone terminal - Google Patents
Sound equipment with headphone terminalInfo
- Publication number
- JPS58138487U JPS58138487U JP3557682U JP3557682U JPS58138487U JP S58138487 U JPS58138487 U JP S58138487U JP 3557682 U JP3557682 U JP 3557682U JP 3557682 U JP3557682 U JP 3557682U JP S58138487 U JPS58138487 U JP S58138487U
- Authority
- JP
- Japan
- Prior art keywords
- headphone
- sound equipment
- terminal
- headphone terminal
- capacitor
- 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
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Ａ、 Ｂはそれぞれ従来のヘッドホン端子付音響
装置の要部の構成図、第２図１ま可動コイル型ヘッドホ
ンの一般的なインピーダンス周波数特性図、第３図は同
ヘッドホンの等価回路図、第４図Ａは従来のヘッドホン
端子付音響装置のヘッドホン出力端子に可動コイル型ヘ
ッドホンを接続した場合における低周波増幅器の出力端
の出力波形図、同図Ｂは同じく負荷のヘッドホンに印加
される電圧波形図、第５図Ａ、 Ｂはそれぞれ本考案の
異なる実施例におけるヘッドホン端子付音響装置の要部
の構成図である。
５・・・低周波増幅器、６・・・ヘッドホン出力端子、
６ａ、 ５ｂ・・・ヘッドホン出力端子の１ｌＥＬ
７． ９・・・抵抗、８・・・コンデンサ。Figures 1A and B are block diagrams of the main parts of conventional audio equipment with headphone terminals, Figure 2 is a general impedance frequency characteristic diagram of moving coil type headphones, and Figure 3 is an equivalent circuit diagram of the headphones. , Figure 4A is a diagram of the output waveform at the output end of the low frequency amplifier when moving coil headphones are connected to the headphone output terminal of a conventional audio device with a headphone terminal, and Figure 4B is a diagram of the output waveform applied to the headphone load. The voltage waveform diagrams in FIGS. 5A and 5B are configuration diagrams of main parts of an audio device with a headphone terminal in different embodiments of the present invention, respectively. 5...Low frequency amplifier, 6...Headphone output terminal,
6a, 5b...11EL of headphone output terminal
7. 9...Resistor, 8...Capacitor.
Claims (1)
出力が供給される少なくとも１個のヘッドホン出力端子
を設け、このヘッドホン出力端子の両電極間にコンデン
サもしくはコンデンサと抵抗との直列回路を接続したヘ
ッドホン端子付音響装置。Headphones equipped with at least one headphone output terminal to which a low-frequency output is supplied from the output end of a low-frequency amplifier through a resistive attenuation circuit, and a capacitor or a series circuit of a capacitor and a resistor is connected between both electrodes of the headphone output terminal. Sound device with terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3557682U JPS58138487U (en) | 1982-03-12 | 1982-03-12 | Sound equipment with headphone terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3557682U JPS58138487U (en) | 1982-03-12 | 1982-03-12 | Sound equipment with headphone terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58138487U true JPS58138487U (en) | 1983-09-17 |
Family
ID=30047041
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3557682U Pending JPS58138487U (en) | 1982-03-12 | 1982-03-12 | Sound equipment with headphone terminal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58138487U (en) |
-
1982
- 1982-03-12 JP JP3557682U patent/JPS58138487U/en active Pending
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