JPH0322451U - - Google Patents

Info

Publication number
JPH0322451U
JPH0322451U JP8280689U JP8280689U JPH0322451U JP H0322451 U JPH0322451 U JP H0322451U JP 8280689 U JP8280689 U JP 8280689U JP 8280689 U JP8280689 U JP 8280689U JP H0322451 U JPH0322451 U JP H0322451U
Authority
JP
Japan
Prior art keywords
phase conversion
signal
electrical signal
phase
audio electrical
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
JP8280689U
Other languages
English (en)
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 JP8280689U priority Critical patent/JPH0322451U/ja
Publication of JPH0322451U publication Critical patent/JPH0322451U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Soundproofing, Sound Blocking, And Sound Damping (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示すブロツク図で
ある。 1……電話回線、2……ハイブリツド回路、3
……受話信号線、4……信号合成回路、5……受
話器信号線、6……スピーカ、7……位相変換回
路、8……送話位相変換信号線、9……送話信号
線、10……マイクロホン、11……スイツチ。

Claims (1)

    【実用新案登録請求の範囲】
  1. 送話器から送り込んだ音声電気信号を位相変換
    して位相変換出力信号を出力する位相変換回路と
    、相手側の音声電気信号と側音電気信号とが合成
    されている音声信号に前記位相変換出力信号を合
    成して前記側音声電気信号だけを除去し前記相手
    側の音声電気信号だけを抽出する信号合成回路と
    、前記位相変換回路からの位相変換出力信号を前
    記信号合成回路に入力するかしないかを選択する
    選択スイツチとを有することを特徴とする電話機
JP8280689U 1989-07-13 1989-07-13 Pending JPH0322451U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8280689U JPH0322451U (ja) 1989-07-13 1989-07-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8280689U JPH0322451U (ja) 1989-07-13 1989-07-13

Publications (1)

Publication Number Publication Date
JPH0322451U true JPH0322451U (ja) 1991-03-07

Family

ID=31629943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8280689U Pending JPH0322451U (ja) 1989-07-13 1989-07-13

Country Status (1)

Country Link
JP (1) JPH0322451U (ja)

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