JPH0225588B2 - - Google Patents

Info

Publication number
JPH0225588B2
JPH0225588B2 JP8850383A JP8850383A JPH0225588B2 JP H0225588 B2 JPH0225588 B2 JP H0225588B2 JP 8850383 A JP8850383 A JP 8850383A JP 8850383 A JP8850383 A JP 8850383A JP H0225588 B2 JPH0225588 B2 JP H0225588B2
Authority
JP
Japan
Prior art keywords
base unit
unit
handset
power indicator
output
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
JP8850383A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59214371A (ja
Inventor
Kozo Kasao
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP8850383A priority Critical patent/JPS59214371A/ja
Publication of JPS59214371A publication Critical patent/JPS59214371A/ja
Publication of JPH0225588B2 publication Critical patent/JPH0225588B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
JP8850383A 1983-05-19 1983-05-19 インタ−ホン装置 Granted JPS59214371A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8850383A JPS59214371A (ja) 1983-05-19 1983-05-19 インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8850383A JPS59214371A (ja) 1983-05-19 1983-05-19 インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS59214371A JPS59214371A (ja) 1984-12-04
JPH0225588B2 true JPH0225588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1990-06-04

Family

ID=13944624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8850383A Granted JPS59214371A (ja) 1983-05-19 1983-05-19 インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS59214371A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Also Published As

Publication number Publication date
JPS59214371A (ja) 1984-12-04

Similar Documents

Publication Publication Date Title
JPH0225588B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS6234357Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5857945B2 (ja) インタ−ホン装置
JPH0342535B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS59186496A (ja) 停電時用着信表示回路
JPH0744793B2 (ja) 回路ユニツトの接続離脱装置
JPS60103981U (ja) ボタン電話装置の表示回路
SU1187107A1 (ru) Устройство дл контрол двухпроводных линий св зи
KR0175036B1 (ko) 액정표시장치의 디스플레이 구동회로
JPH038625B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR850000854B1 (ko) 방문객 경보 및 확인장치
JPS6188652A (ja) 電話端末機の電源供給方式
JPH0195643A (ja) 半導体集積回路装置
JPS636895Y2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5952862B2 (ja) インタ−ホン装置
JPS60180296A (ja) ボタン電話装置における状態表示方式
KR920005401Y1 (ko) 전화기
JPH01126756U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPH0124474B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS5848046U (ja) モ−ド表示回路
JPS6366454B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JPS62262550A (ja) ブランチ電話機使用中検出回路
JPS603296A (ja) 電子式ボタン電話装置
JPS5871762A (ja) 着信専用端末装置の加入者回路
JPS6120450A (ja) デ−タ交換装置