JPH0336466B2 - - Google Patents

Info

Publication number
JPH0336466B2
JPH0336466B2 JP19682183A JP19682183A JPH0336466B2 JP H0336466 B2 JPH0336466 B2 JP H0336466B2 JP 19682183 A JP19682183 A JP 19682183A JP 19682183 A JP19682183 A JP 19682183A JP H0336466 B2 JPH0336466 B2 JP H0336466B2
Authority
JP
Japan
Prior art keywords
circuit
gate light
power line
oscillation
oscillation signal
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
JP19682183A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6087557A (ja
Inventor
Masahiko Takeda
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.)
Aiphone Co Ltd
Original Assignee
Aiphone 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 Aiphone Co Ltd filed Critical Aiphone Co Ltd
Priority to JP19682183A priority Critical patent/JPS6087557A/ja
Publication of JPS6087557A publication Critical patent/JPS6087557A/ja
Publication of JPH0336466B2 publication Critical patent/JPH0336466B2/ja
Granted legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M9/00Arrangements for interconnection not involving centralised switching
    • H04M9/02Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2203/00Indexing scheme relating to line transmission systems
    • H04B2203/54Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429Applications for powerline communications
    • H04B2203/545Audio/video application, e.g. interphone

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP19682183A 1983-10-19 1983-10-19 電力線搬送式インタ−ホン装置 Granted JPS6087557A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19682183A JPS6087557A (ja) 1983-10-19 1983-10-19 電力線搬送式インタ−ホン装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19682183A JPS6087557A (ja) 1983-10-19 1983-10-19 電力線搬送式インタ−ホン装置

Publications (2)

Publication Number Publication Date
JPS6087557A JPS6087557A (ja) 1985-05-17
JPH0336466B2 true JPH0336466B2 (enExample) 1991-05-31

Family

ID=16364218

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19682183A Granted JPS6087557A (ja) 1983-10-19 1983-10-19 電力線搬送式インタ−ホン装置

Country Status (1)

Country Link
JP (1) JPS6087557A (enExample)

Also Published As

Publication number Publication date
JPS6087557A (ja) 1985-05-17

Similar Documents

Publication Publication Date Title
JPS61110675U (enExample)
JPH0228200U (enExample)
JPH0336466B2 (enExample)
JPS59178857A (ja) インタ−ホン装置
KR100205604B1 (ko) 스위칭시스템
JPS593632Y2 (ja) 受信装置
JPH04303900A (ja) 音声検出装置
JPS643992U (enExample)
JP2002290590A (ja) カメラ付きドアホン子器
JPS60148082A (ja) 電話器付属照明装置
JPH073741Y2 (ja) 自動車電話用電話機
JPS5834854Y2 (ja) ボタン電話装置の局線回路
JPS646603Y2 (enExample)
JPS6315073Y2 (enExample)
JPS6355279B2 (enExample)
JPH0272091U (enExample)
JPS6359051A (ja) 遠隔制御装置
JPS5832365Y2 (ja) インタ−ホンの呼出し回路
JPS59139733A (ja) インタホン方式
JP2607022B2 (ja) デジタルスケルチ方式無線装置
JPS5840675Y2 (ja) デエンフアシス特性切換回路
JPH024529Y2 (enExample)
JPS6037842A (ja) インタ−ホン装置
JPS62175062A (ja) リモ−トコントロ−ルスイツチ付インタ−ホン
JPH0638380U (ja) テレビドアホン装置