JPS6370748U - - Google Patents

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Publication number
JPS6370748U
JPS6370748U JP16509186U JP16509186U JPS6370748U JP S6370748 U JPS6370748 U JP S6370748U JP 16509186 U JP16509186 U JP 16509186U JP 16509186 U JP16509186 U JP 16509186U JP S6370748 U JPS6370748 U JP S6370748U
Authority
JP
Japan
Prior art keywords
circuit
signal
group
signals
group band
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.)
Granted
Application number
JP16509186U
Other languages
English (en)
Other versions
JPH0432835Y2 (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 JP1986165091U priority Critical patent/JPH0432835Y2/ja
Publication of JPS6370748U publication Critical patent/JPS6370748U/ja
Application granted granted Critical
Publication of JPH0432835Y2 publication Critical patent/JPH0432835Y2/ja
Expired legal-status Critical Current

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  • Time-Division Multiplex Systems (AREA)

Description

【図面の簡単な説明】
第１図は本考案のトランスマルチプレクサの構
成図で、第１図ａは群帯域ＦＤＭ信号を時分割多
重ＰＣＭ信号に変換する回路構成図、第１図ｂは
時分割多重ＰＣＭ信号を群帯域ＦＤＭ信号に変換
する回路構成図、第２図は従来のトランスマルチ
プレクサの構成図で、第２図ａは群帯域ＦＤＭ信
号を時分割多重ＰＣＭ信号に変換する回路構成図
、第２図ｂは時分割多重ＰＣＭ信号を群帯域ＦＤ
Ｍ信号に変換する回路構成図である。 １，２，４…入力端子、３，５，６…出力端子
、１１，１２…Ａ／Ｄ回路、１３，２７…デジタ
ル信号処理回路、１４，２５…デジタルフイルタ
回路、１５，３１，３２…群監視電流検出回路、
１６…Ｌ／ＮＬ回路、１７…フレーム挿入回路、
１８…Ｕ／Ｂ回路、２１…Ｂ／Ｕ回路、２２…同
期回路、２３…ＡＩＳ検出回路、２４…ＮＬ／Ｌ
回路、２６…群監視電流挿入回路、２８，２９…
Ｄ／Ａ回路、３３…固定パターン挿入回路、３４
，３５…固定パターン検出回路。

Claims (1)

    【実用新案登録請求の範囲】
  1. 二つ以上の群帯域ＦＤＭ信号を時分割多重ＰＣ
    Ｍ信号に変換する回路は、それぞれの群帯域ＦＤ
    Ｍ信号から群監視電流を検出する回路と、それら
    の検出結果により、時分割多重ＰＣＭ信号のうち
    群監視電流が断となつている群帯域ＦＤＭ信号に
    含まれる通話路のＰＣＭ信号のみをある固定パタ
    ーンにする回路とを有し、逆に、時分割多重ＰＣ
    Ｍ信号を二つ以上の群帯域ＦＤＭ信号に変換する
    回路は、その時分割多重ＰＣＭ信号の各通話路か
    ら、前記固定パターンを検出する回路と、その固
    定パターンが検出された通話路からなる群帯域Ｆ
    ＤＭ信号の群監視電流を断にする回路とを有する
    ことを特徴とするトランスマルチプレクサ。
JP1986165091U 1986-10-29 1986-10-29 Expired JPH0432835Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986165091U JPH0432835Y2 (ja) 1986-10-29 1986-10-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986165091U JPH0432835Y2 (ja) 1986-10-29 1986-10-29

Publications (2)

Publication Number Publication Date
JPS6370748U true JPS6370748U (ja) 1988-05-12
JPH0432835Y2 JPH0432835Y2 (ja) 1992-08-06

Family

ID=31094809

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986165091U Expired JPH0432835Y2 (ja) 1986-10-29 1986-10-29

Country Status (1)

Country Link
JP (1) JPH0432835Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07221728A (ja) * 1994-01-31 1995-08-18 Nec Corp 信号多重伝送方式

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568529A (en) * 1979-06-28 1981-01-28 Ti Fords Ltd Method and device for detecting aqueous liquid in bottle
JPS58145252A (ja) * 1982-02-23 1983-08-30 Nec Corp トランスマルチプレクサ用障害監視方式

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS568529A (en) * 1979-06-28 1981-01-28 Ti Fords Ltd Method and device for detecting aqueous liquid in bottle
JPS58145252A (ja) * 1982-02-23 1983-08-30 Nec Corp トランスマルチプレクサ用障害監視方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07221728A (ja) * 1994-01-31 1995-08-18 Nec Corp 信号多重伝送方式

Also Published As

Publication number Publication date
JPH0432835Y2 (ja) 1992-08-06

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