JPS6266453U - - Google Patents
Info
- Publication number
- JPS6266453U JPS6266453U JP15766685U JP15766685U JPS6266453U JP S6266453 U JPS6266453 U JP S6266453U JP 15766685 U JP15766685 U JP 15766685U JP 15766685 U JP15766685 U JP 15766685U JP S6266453 U JPS6266453 U JP S6266453U
- Authority
- JP
- Japan
- Prior art keywords
- telephone
- circuit
- lines
- line
- outside line
- 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
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の実施例の回路図、第２図は電
話回線及び電話機回路のインピーダンス特性を示
すグラフ、第３図は本考案が実施されるシステム
の概要を示す中継方式図、第４図は従来例を示す
回路図である。
主な記号、ＥＲ：受話器、ＭＣ：送話器、Ｚ：
インピーダンス回路。
Fig. 1 is a circuit diagram of an embodiment of the present invention, Fig. 2 is a graph showing the impedance characteristics of the telephone line and telephone circuit, Fig. 3 is a relay system diagram showing an overview of the system in which the present invention is implemented, and Fig. 4 The figure is a circuit diagram showing a conventional example. Main symbols: ER: receiver, MC: transmitter, Z:
impedance circuit.
Claims (1)
に切換え結合される電話機に於いて、送話信号と
受話信号とを分離するブリツジ回路の定数の選定
により電話機回路のインピーダンス特性を、上記
それぞれの回線に整合するそれぞれのインピーダ
ンス特性の平均的特性に設定した電話機回路。 ２ ２つの回線が外線に直通の回線と電話交換装
置の外線回路を通して外線に結合される回線であ
る実用新案登録請求の範囲第１項に記載の電話機
回路。[Claims for Utility Model Registration] 1. In a telephone that is switched and coupled to two lines with different impedance characteristics, the impedance of the telephone circuit can be changed by selecting the constants of the bridge circuit that separates the transmitting signal and the receiving signal. A telephone circuit whose characteristics are set to average characteristics of the respective impedance characteristics that match the above-mentioned respective lines. 2. The telephone circuit according to claim 1, wherein the two lines are a direct line to an outside line and a line connected to the outside line through an outside line circuit of a telephone exchange device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15766685U JPS6266453U (en) | 1985-10-15 | 1985-10-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15766685U JPS6266453U (en) | 1985-10-15 | 1985-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6266453U true JPS6266453U (en) | 1987-04-24 |
Family
ID=31080427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15766685U Pending JPS6266453U (en) | 1985-10-15 | 1985-10-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6266453U (en) |
-
1985
- 1985-10-15 JP JP15766685U patent/JPS6266453U/ja active Pending
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