JPH028506B2 - - Google Patents

Info

Publication number
JPH028506B2
JPH028506B2 JP58136624A JP13662483A JPH028506B2 JP H028506 B2 JPH028506 B2 JP H028506B2 JP 58136624 A JP58136624 A JP 58136624A JP 13662483 A JP13662483 A JP 13662483A JP H028506 B2 JPH028506 B2 JP H028506B2
Authority
JP
Japan
Prior art keywords
circuit
hold
telephone
switching
relay
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
Application number
JP58136624A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6028356A (ja
Inventor
Shoji Nojima
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.)
Kanda Tsushin Kogyo Co Ltd
Original Assignee
Kanda Tsushin Kogyo 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 Kanda Tsushin Kogyo Co Ltd filed Critical Kanda Tsushin Kogyo Co Ltd
Priority to JP58136624A priority Critical patent/JPS6028356A/ja
Publication of JPS6028356A publication Critical patent/JPS6028356A/ja
Publication of JPH028506B2 publication Critical patent/JPH028506B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/71—Substation extension arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
JP58136624A 1983-07-26 1983-07-26 保留自動解除回路 Granted JPS6028356A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58136624A JPS6028356A (ja) 1983-07-26 1983-07-26 保留自動解除回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58136624A JPS6028356A (ja) 1983-07-26 1983-07-26 保留自動解除回路

Publications (2)

Publication Number Publication Date
JPS6028356A JPS6028356A (ja) 1985-02-13
JPH028506B2 true JPH028506B2 (en]) 1990-02-26

Family

ID=15179649

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58136624A Granted JPS6028356A (ja) 1983-07-26 1983-07-26 保留自動解除回路

Country Status (1)

Country Link
JP (1) JPS6028356A (en])

Also Published As

Publication number Publication date
JPS6028356A (ja) 1985-02-13

Similar Documents

Publication Publication Date Title
US4444999A (en) Automatic electronic disconnector for subscriber terminal equipment
JPS5839437B2 (ja) ボタン電話装置における本電話機接続方式
US4756021A (en) Telephone set
JPH0147067B2 (en])
JPH028506B2 (en])
US4517414A (en) Hookswitch bounce resistant telephone hold-mute circuit
US5923748A (en) Telephone device for preventing a long-term on-line state resulting from the handset being unintentionally off-hook
US4447674A (en) Electronic hold release circuit
JPS6337547B2 (en])
US4223186A (en) Circuit arrangement for line-supplied subscriber stations having dial devices
JP2522867B2 (ja) 住宅情報通報システム
US5040207A (en) Two-telephone intercom
KR900006417Y1 (ko) 전화기의 자동 경보장치
SU1158016A1 (ru) Устройство приема сигнала ответа абонента
KR850001844B1 (ko) 전화기 통화 전환장치
JPH029742B2 (en])
JPH0326712Y2 (en])
JPS646618Y2 (en])
JPS5834839Y2 (ja) ダイヤルインパルス検出回路
JPS60180363A (ja) 電話端末機
JPH018060Y2 (en])
US4841568A (en) Circuit arrangement for a telephone station with earth connection to the central supply device
KR800001941Y1 (ko) 온 후크 다이얼링 장치
JPS6312603Y2 (en])
JPS6342606Y2 (en])