JPS53147427A - Carrier control system using indoor electric line - Google Patents

Carrier control system using indoor electric line

Info

Publication number
JPS53147427A
JPS53147427A JP6244177A JP6244177A JPS53147427A JP S53147427 A JPS53147427 A JP S53147427A JP 6244177 A JP6244177 A JP 6244177A JP 6244177 A JP6244177 A JP 6244177A JP S53147427 A JPS53147427 A JP S53147427A
Authority
JP
Japan
Prior art keywords
carrier control
control system
electric line
indoor electric
carrier
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.)
Pending
Application number
JP6244177A
Other languages
Japanese (ja)
Inventor
Toshio Abiko
Yoshiharu Suzuki
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 Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP6244177A priority Critical patent/JPS53147427A/en
Publication of JPS53147427A publication Critical patent/JPS53147427A/en
Pending 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
    • 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
    • H04B2203/5404—Methods of transmitting or receiving signals via power distribution lines
    • H04B2203/5416—Methods of transmitting or receiving signals via power distribution lines by adding signals to the wave form of the power source

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Time-Division Multiplex Systems (AREA)

Abstract

PURPOSE:To transmit or receive the carrier signal in 2ch, by discriminating the carrier control signal depending whether the carrier control signal received is in existence at the positive portio of a commercial power frequency or at the negative portion.
JP6244177A 1977-05-27 1977-05-27 Carrier control system using indoor electric line Pending JPS53147427A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6244177A JPS53147427A (en) 1977-05-27 1977-05-27 Carrier control system using indoor electric line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6244177A JPS53147427A (en) 1977-05-27 1977-05-27 Carrier control system using indoor electric line

Publications (1)

Publication Number Publication Date
JPS53147427A true JPS53147427A (en) 1978-12-22

Family

ID=13200282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6244177A Pending JPS53147427A (en) 1977-05-27 1977-05-27 Carrier control system using indoor electric line

Country Status (1)

Country Link
JP (1) JPS53147427A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010106519A (en) * 2008-10-30 2010-05-13 Otis:Kk Rain chain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010106519A (en) * 2008-10-30 2010-05-13 Otis:Kk Rain chain

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