JPH0728788Y2 - Ｄｔｍｆ信号の検出回路 - Google Patents

Ｄｔｍｆ信号の検出回路

Info

Publication number
JPH0728788Y2
JPH0728788Y2 JP13461189U JP13461189U JPH0728788Y2 JP H0728788 Y2 JPH0728788 Y2 JP H0728788Y2 JP 13461189 U JP13461189 U JP 13461189U JP 13461189 U JP13461189 U JP 13461189U JP H0728788 Y2 JPH0728788 Y2 JP H0728788Y2
Authority
JP
Japan
Prior art keywords
signal
circuit
dtmf
detection circuit
oscillation
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.)
Expired - Lifetime
Application number
JP13461189U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0373090U (en]
Inventor
芳彦 田村
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric Co Ltd
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 by Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP13461189U priority Critical patent/JPH0728788Y2/ja
Publication of JPH0373090U publication Critical patent/JPH0373090U/ja
Application granted granted Critical
Publication of JPH0728788Y2 publication Critical patent/JPH0728788Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

JP13461189U 1989-11-20 1989-11-20 Ｄｔｍｆ信号の検出回路 Expired - Lifetime JPH0728788Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13461189U JPH0728788Y2 (ja) 1989-11-20 1989-11-20 Ｄｔｍｆ信号の検出回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13461189U JPH0728788Y2 (ja) 1989-11-20 1989-11-20 Ｄｔｍｆ信号の検出回路

Publications (2)

Publication Number Publication Date
JPH0373090U JPH0373090U (en]) 1991-07-23
JPH0728788Y2 true JPH0728788Y2 (ja) 1995-06-28

Family

ID=31681937

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13461189U Expired - Lifetime JPH0728788Y2 (ja) 1989-11-20 1989-11-20 Ｄｔｍｆ信号の検出回路

Country Status (1)

Country Link
JP (1) JPH0728788Y2 (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002327364A (ja) * 2001-05-02 2002-11-15 Unitika Ltd 生分解性ヘッドレストカバー
JP5919772B2 (ja) * 2011-12-01 2016-05-18 日本電気株式会社 Ｄｔｍｆ信号検出装置、方法及びプログラム

Also Published As

Publication number Publication date
JPH0373090U (en]) 1991-07-23

Similar Documents

Publication Publication Date Title
AU652025B2 (en) Two-way paging system with answer-back function
JPH0728788Y2 (ja) Ｄｔｍｆ信号の検出回路
JPS61174862A (ja) スイツチ検出回路
US6735246B1 (en) Integrated modem and line-isolation circuitry with data flow control and associated method
JPH0342757B2 (en])
JP2675599B2 (ja) ボタン電話装置
JP2988060B2 (ja) 送信切替方式
JPS645785B2 (en])
JPH0246047A (ja) インターフェース用回路
JP2819920B2 (ja) Ｄｔｍｆ送受信回路
JP2550273Y2 (ja) 通信装置
JP2850844B2 (ja) 動作周波数切替可能な伝送システム
JPS6348239B2 (en])
JP2749195B2 (ja) Ｄｔｍｆ信号受信回路
JPS635335Y2 (en])
JPS6238353Y2 (en])
JPH08331613A (ja) モデム装置及びｐｂトーン信号検出回路
KR950035145A (ko) 자동차용 원격제어장치 및 그 제어방법
JPH01273436A (ja) ２線−４線変換装置
JPH0795755B2 (ja) ｍＢ−ｎＢ逆符号変換装置
KR920014122A (ko) 키폰시스템에서 주장치와단말기간 신호 전송회로
JPS6051996A (ja) 双方向呼出表示装置
KR960016225A (ko) 다중 채널 정보처리 인터페이스 장치
JPH03218115A (ja) クロック断検出回路
JPS60194841A (ja) コ−ドレス電話装置