JPS6087557A - 電力線搬送式インタ−ホン装置 - Google Patents

電力線搬送式インタ−ホン装置

Info

Publication number
JPS6087557A
JPS6087557A JP19682183A JP19682183A JPS6087557A JP S6087557 A JPS6087557 A JP S6087557A JP 19682183 A JP19682183 A JP 19682183A JP 19682183 A JP19682183 A JP 19682183A JP S6087557 A JPS6087557 A JP S6087557A
Authority
JP
Japan
Prior art keywords
circuit
gate light
gate
signal
power line
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
JP19682183A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0336466B2 (enExample
Inventor
Masahiko Takeda
雅彦 武田
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.)
AIHON KK
Aiphone Co Ltd
Original Assignee
AIHON KK
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 AIHON KK, Aiphone Co Ltd filed Critical AIHON KK
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

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/54—Systems for transmission via power distribution lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/02—Arrangements for interconnection not involving centralised switching involving a common line for all parties
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2203/00—Indexing scheme relating to line transmission systems
    • H04B2203/54—Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/545—Audio/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 true JPS6087557A (ja) 1985-05-17
JPH0336466B2 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
JPH0336466B2 (enExample) 1991-05-31

Similar Documents

Publication Publication Date Title
US4107464A (en) Alarm communications system
JPS6087557A (ja) 電力線搬送式インタ−ホン装置
JPS59178857A (ja) インタ−ホン装置
JPH0326704Y2 (enExample)
JP2002290590A (ja) カメラ付きドアホン子器
JPS646603Y2 (enExample)
JPH0249677Y2 (enExample)
JPS6022557B2 (ja) 拡声システム
JPH06232959A (ja) 留守番電話装置
JPS62227249A (ja) ドアホン回路
JPS63236427A (ja) コ−ドレス電話機
JPS6010146Y2 (ja) 連絡装置
JPH11275239A (ja) インターホン装置
JPS6359051A (ja) 遠隔制御装置
KR100454883B1 (ko) 청각장애자용도어비전의램프점멸장치
JP2587072Y2 (ja) 通信装置
JPS5847095B2 (ja) スケルチ制御方式
JPH01318435A (ja) 無線送受信装置の電源供給方式
JP2001045552A (ja) 携帯無線端末の出力規制方式
JPS5917765A (ja) 電力線搬送式インタ−ホン装置
JPS62176226A (ja) 光通話によるワイヤレスマイクロホンの発光レベル制御装置
JPH10190851A (ja) 自動交互通話インターホン装置
KR19990030378A (ko) 노래방용 양방향 화상전송 방법 및 그 장치
JPS6037842A (ja) インタ−ホン装置
JPH04135356A (ja) ドアホン子器