JPS61124145U - - Google Patents

Info

Publication number
JPS61124145U
JPS61124145U JP735885U JP735885U JPS61124145U JP S61124145 U JPS61124145 U JP S61124145U JP 735885 U JP735885 U JP 735885U JP 735885 U JP735885 U JP 735885U JP S61124145 U JPS61124145 U JP S61124145U
Authority
JP
Japan
Prior art keywords
transmitter
transmitting circuit
frequency characteristic
equalizer
telephone coupler
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
JP735885U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP735885U priority Critical patent/JPS61124145U/ja
Publication of JPS61124145U publication Critical patent/JPS61124145U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Description

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

図は本考案の実施例を示し、第１図は送信回路
のブロツク図、第２図は送話器の周波数特性を示
す図、第３図は等化器の回路図である。 ＳＤ……送信データ信号、ＭＤＭ……ＭＯＤＥ
Ｍ（変復調器）、Ａ，Ａ１１，Ａ１２……差動増
幅器、ＥＱ……等化器（周波数特性等化器）、Ｓ
Ｗ……スイツチ、ＴＡ……送信増幅器、ＳＰ……
スピーカ、Ｔ……送話器。 The figures show an embodiment of the present invention; FIG. 1 is a block diagram of a transmitting circuit, FIG. 2 is a diagram showing frequency characteristics of a transmitter, and FIG. 3 is a circuit diagram of an equalizer. SD...Transmission data signal, MDM...MODE
M (modulator/demodulator), A, A 11 , A 12 ... Differential amplifier, EQ ... Equalizer (frequency characteristic equalizer), S
W...Switch, TA...Transmission amplifier, SP...
Speaker, T...transmitter.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] テレホンカプラの送信回路において、対向する
送話器の周波数特性に応じた特性の周波数特性等
化器と、該周波数特性等化器を前記送話器に応じ
て前記送信回路中へ挿入するスイツチとを備えた
ことを特徴とするテレホンカプラ。 In a transmitting circuit of a telephone coupler, a frequency characteristic equalizer having characteristics corresponding to the frequency characteristics of an opposing transmitter, and a switch for inserting the frequency characteristic equalizer into the transmitting circuit according to the transmitter. A telephone coupler characterized by being equipped with.
JP735885U 1985-01-24 1985-01-24 Pending JPS61124145U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP735885U JPS61124145U (en) 1985-01-24 1985-01-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP735885U JPS61124145U (en) 1985-01-24 1985-01-24

Publications (1)

Publication Number Publication Date
JPS61124145U true JPS61124145U (en) 1986-08-05

Family

ID=30485637

Family Applications (1)

Application Number Title Priority Date Filing Date
JP735885U Pending JPS61124145U (en) 1985-01-24 1985-01-24

Country Status (1)

Country Link
JP (1) JPS61124145U (en)

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