JPS6325741B2 - - Google Patents

Info

Publication number
JPS6325741B2
JPS6325741B2 JP16750780A JP16750780A JPS6325741B2 JP S6325741 B2 JPS6325741 B2 JP S6325741B2 JP 16750780 A JP16750780 A JP 16750780A JP 16750780 A JP16750780 A JP 16750780A JP S6325741 B2 JPS6325741 B2 JP S6325741B2
Authority
JP
Japan
Prior art keywords
power
switch
diode
turned
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
JP16750780A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5792962A (en
Inventor
Osamu Uechi
Michinobu Oohata
Koji Mizushima
Katsuhiko Furukawa
Kochi Ro
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16750780A priority Critical patent/JPS5792962A/ja
Publication of JPS5792962A publication Critical patent/JPS5792962A/ja
Publication of JPS6325741B2 publication Critical patent/JPS6325741B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
JP16750780A 1980-11-28 1980-11-28 Interface circuit Granted JPS5792962A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16750780A JPS5792962A (en) 1980-11-28 1980-11-28 Interface circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16750780A JPS5792962A (en) 1980-11-28 1980-11-28 Interface circuit

Publications (2)

Publication Number Publication Date
JPS5792962A JPS5792962A (en) 1982-06-09
JPS6325741B2 true JPS6325741B2 (enrdf_load_stackoverflow) 1988-05-26

Family

ID=15850956

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16750780A Granted JPS5792962A (en) 1980-11-28 1980-11-28 Interface circuit

Country Status (1)

Country Link
JP (1) JPS5792962A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5792962A (en) 1982-06-09

Similar Documents

Publication Publication Date Title
US4367374A (en) Modem telephone interface circuit
US4347605A (en) Multiplexed telecommunication systems
EP0310098A3 (en) Communication system having telephonic function
US4594724A (en) Bypass method and apparatus for debouncing a mechanical switching element in a data communications network
JPS6325741B2 (enrdf_load_stackoverflow)
JPH04220825A (ja) 予備チャンネル切替え装置および方法
JPS6325740B2 (enrdf_load_stackoverflow)
US3943301A (en) Solid state four-wire switch for key telephones
US4260857A (en) Office line connection circuit during service interruptions in key telephone apparatus
JPS6220744B2 (enrdf_load_stackoverflow)
JPS5844846A (ja) ボタン電話装置
JPH0223062B2 (enrdf_load_stackoverflow)
JP2718347B2 (ja) 電子交換機
US2761014A (en) Multiple-station selective communication system with single amplifier
KR860000113Y1 (ko) 전자식 간이 교환장치의 복합주파수 단축다이알 및 재다이알 장치
JPS5918483Y2 (ja) 信号伝送回路
JPH0470297A (ja) ループバック方式
JPS5854710B2 (ja) ダイヤル情報転送方式
KR0136435B1 (ko) 페이저 기지국 내 회선절체기 이중화시의 임피던스 정합회로
SU1179412A1 (ru) Устройство дл телеуправлени и телесигнализации
JPS6342758Y2 (enrdf_load_stackoverflow)
JPS6313564A (ja) 加入者接続線路の心線を給電回路から分離する回路装置
JPS59198058A (ja) 電話交換におけるｎｏ．６信号制御方式
JPH0773307B2 (ja) エコ−防止回路制御方式
JPS62125757A (ja) アナウンスマシン