JPH0412743U - - Google Patents

Info

Publication number
JPH0412743U
JPH0412743U JP5350390U JP5350390U JPH0412743U JP H0412743 U JPH0412743 U JP H0412743U JP 5350390 U JP5350390 U JP 5350390U JP 5350390 U JP5350390 U JP 5350390U JP H0412743 U JPH0412743 U JP H0412743U
Authority
JP
Japan
Prior art keywords
dtmf
dtmf signal
receiving circuit
code
signal input
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
JP5350390U
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 JP5350390U priority Critical patent/JPH0412743U/ja
Publication of JPH0412743U publication Critical patent/JPH0412743U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Selective Calling Equipment (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例であるDTMF信号
のモニタ装置の電気回路ブロツク図を示している
。 10……モニタ装置、10a……トランス、1
0b……増幅器、10c……DTMF受信回路、
10d……インターフエイス回路、10e……出
力ポート、12,14……入出力端子、20……
電話回線、30……DTMF機器。

Claims (1)

  1. 【実用新案登録請求の範囲】 電話回線を介してDTMF信号によるデータ通
    信を行う機器のDTMF信号の入力部に接続され
    、当該機器に入力されるDTMF信号を受信する
    DTMF信号受信回路と、 該DTMF信号受信回路にて受信されたDTM
    F信号を所定コードに変換して出力するコード化
    出力回路と、 を備えることを特徴とするDTMF信号のモニタ
    装置。
JP5350390U 1990-05-22 1990-05-22 Pending JPH0412743U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5350390U JPH0412743U (ja) 1990-05-22 1990-05-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5350390U JPH0412743U (ja) 1990-05-22 1990-05-22

Publications (1)

Publication Number Publication Date
JPH0412743U true JPH0412743U (ja) 1992-01-31

Family

ID=31574745

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5350390U Pending JPH0412743U (ja) 1990-05-22 1990-05-22

Country Status (1)

Country Link
JP (1) JPH0412743U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007318218A (ja) * 2006-05-23 2007-12-06 Fuji Xerox Co Ltd 通信装置および方法

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068205A (ja) * 1973-10-18 1975-06-07

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5068205A (ja) * 1973-10-18 1975-06-07

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007318218A (ja) * 2006-05-23 2007-12-06 Fuji Xerox Co Ltd 通信装置および方法

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