JPS60127062U - 停電時切換回路 - Google Patents

停電時切換回路

Info

Publication number
JPS60127062U
JPS60127062U JP1166584U JP1166584U JPS60127062U JP S60127062 U JPS60127062 U JP S60127062U JP 1166584 U JP1166584 U JP 1166584U JP 1166584 U JP1166584 U JP 1166584U JP S60127062 U JPS60127062 U JP S60127062U
Authority
JP
Japan
Prior art keywords
supply voltage
power supply
switching circuit
power
power outage
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.)
Granted
Application number
JP1166584U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0246139Y2 (enrdf_load_stackoverflow
Inventor
植原 義晴
護 角田
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.)
Iwatsu Electric Co Ltd
Original Assignee
Iwatsu 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 Iwatsu Electric Co Ltd filed Critical Iwatsu Electric Co Ltd
Priority to JP1166584U priority Critical patent/JPS60127062U/ja
Publication of JPS60127062U publication Critical patent/JPS60127062U/ja
Application granted granted Critical
Publication of JPH0246139Y2 publication Critical patent/JPH0246139Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Monitoring And Testing Of Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
JP1166584U 1984-02-01 1984-02-01 停電時切換回路 Granted JPS60127062U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1166584U JPS60127062U (ja) 1984-02-01 1984-02-01 停電時切換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1166584U JPS60127062U (ja) 1984-02-01 1984-02-01 停電時切換回路

Publications (2)

Publication Number Publication Date
JPS60127062U true JPS60127062U (ja) 1985-08-27
JPH0246139Y2 JPH0246139Y2 (enrdf_load_stackoverflow) 1990-12-05

Family

ID=30493994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1166584U Granted JPS60127062U (ja) 1984-02-01 1984-02-01 停電時切換回路

Country Status (1)

Country Link
JP (1) JPS60127062U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH0246139Y2 (enrdf_load_stackoverflow) 1990-12-05

Similar Documents

Publication Publication Date Title
CA1267961C (en) MULTIPLE ACCESS RADIO TELEPHONE SYSTEM CAPABLE OF OPERATING SELECTIVELY IN DUPLEX AND HALF-DUPLEX MODES
ES8700525A1 (es) Sistema de conmutacion integrado por paquetes.
JPS60127062U (ja) 停電時切換回路
CA1048185A (en) Two-party telephone system
US3668289A (en) Key telephone system link switching network
JPS57212856A (en) Terminal adaptor system
US3777068A (en) Current-analyzing and coding device usable particularly in telecommunications for number dialing by means of a key set
CN214154124U (zh) 一种基于群控柜的不间断供电系统
JPS5553988A (en) Channel switch circuit
ES8203000A1 (es) Perfeccionamientos en las disposiciones circuitales para centrales telefonicas
GB910458A (en) Improvements in or relating to automatic telecommunication exchanges
JPS5813761U (ja) 自動ダイヤル装置
JPS60108079U (ja) 電話装置の停電着信回路
JPH0282161U (enrdf_load_stackoverflow)
FR2325259A1 (fr) Circuit d'alimentation destine notamment a un circuit d'abonne de telephonie
CN2155112Y (zh) 多功能电话转换器
JPS60223285A (ja) 電話機回路切換制御方式
JPH0224298Y2 (enrdf_load_stackoverflow)
JPH02211751A (ja) Isdn端末の受電回路
SU907863A1 (ru) Устройство посылки вызывного сигнала дл квазиэлектронной автоматической телефонной станции
JPS5912877Y2 (ja) 電話回線の正常極性保持回路
JPH021982U (enrdf_load_stackoverflow)
JPS6243250A (ja) ト−キ−接続方式
JPS58176368U (ja) 電源回路
JPS60147947U (ja) 二重化無瞬断直流電圧調整器