JPS6399450U - - Google Patents

Info

Publication number
JPS6399450U
JPS6399450U JP19430486U JP19430486U JPS6399450U JP S6399450 U JPS6399450 U JP S6399450U JP 19430486 U JP19430486 U JP 19430486U JP 19430486 U JP19430486 U JP 19430486U JP S6399450 U JPS6399450 U JP S6399450U
Authority
JP
Japan
Prior art keywords
detection means
signal
filter
incoming call
detection
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
JP19430486U
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 JP19430486U priority Critical patent/JPS6399450U/ja
Publication of JPS6399450U publication Critical patent/JPS6399450U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案のブロツク図、第2図は本考案
の一実施例のブロツク図、第3図は本考案の要部
のブロツク図、第4図aは電話回線から送信され
るデータ変調信号の波形図、第4図bはフイルタ
17の出力信号の波形図、第4図cは復調回路1
8の出力信号の波形図である。 1……検出手段、2……フイルタ、3……復調
手段、4……報知手段。

Claims (1)

  1. 【実用新案登録請求の範囲】 電話回線から送信されたデータ変調信号から電
    話の着信を示す特定信号を検出する検出手段と、 この検出手段の検出信号により電話の着信を報
    知する報知手段とを有し、前記検出手段は、前記
    特定信号の周波数成分を抽出するフイルタと、こ
    のフイルタの出力信号を復調する復調手段とを備
    えることを特徴とする変復調装置。
JP19430486U 1986-12-17 1986-12-17 Pending JPS6399450U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19430486U JPS6399450U (ja) 1986-12-17 1986-12-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19430486U JPS6399450U (ja) 1986-12-17 1986-12-17

Publications (1)

Publication Number Publication Date
JPS6399450U true JPS6399450U (ja) 1988-06-28

Family

ID=31151154

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19430486U Pending JPS6399450U (ja) 1986-12-17 1986-12-17

Country Status (1)

Country Link
JP (1) JPS6399450U (ja)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58198952A (ja) * 1982-05-17 1983-11-19 Nippon Telegr & Teleph Corp <Ntt> 通信中サ−ビス用信号方式

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58198952A (ja) * 1982-05-17 1983-11-19 Nippon Telegr & Teleph Corp <Ntt> 通信中サ−ビス用信号方式

Similar Documents

Publication Publication Date Title
JPS6399450U (ja)
JPS6264057U (ja)
JPS6361850U (ja)
JPS63533U (ja)
JPS62167441U (ja)
JPS6230435U (ja)
JPS6347644U (ja)
JPS62201555U (ja)
JPH0322480U (ja)
JPS63106252U (ja)
JPS6242353U (ja)
JPS6353197U (ja)
JPH0246456U (ja)
JPS6312960U (ja)
JPH0270544U (ja)
JPS6230434U (ja)
JPS6214943U (ja)
JPH01159451U (ja)
JPS61154050U (ja)
JPH01159443U (ja)
JPH03459U (ja)
JPH02101652U (ja)
JPS6280448U (ja)
JPS63131250U (ja)
JPS6437166U (ja)