JPS5372412A - Signal transmission system - Google Patents

Signal transmission system

Info

Publication number
JPS5372412A
JPS5372412A JP14852976A JP14852976A JPS5372412A JP S5372412 A JPS5372412 A JP S5372412A JP 14852976 A JP14852976 A JP 14852976A JP 14852976 A JP14852976 A JP 14852976A JP S5372412 A JPS5372412 A JP S5372412A
Authority
JP
Japan
Prior art keywords
signal transmission
transmission system
transmission
signal
failures
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
JP14852976A
Other languages
Japanese (ja)
Inventor
Osamu Kuniyoshi
Kazuhiko Shirai
Hirotsugu Ishikawa
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.)
Hokuriku Electric Power Co
NEC Corp
Original Assignee
Hokuriku Electric Power Co
NEC Corp
Nippon 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 Hokuriku Electric Power Co, NEC Corp, Nippon Electric Co Ltd filed Critical Hokuriku Electric Power Co
Priority to JP14852976A priority Critical patent/JPS5372412A/en
Publication of JPS5372412A publication Critical patent/JPS5372412A/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
    • H04B3/542—Systems for transmission via power distribution lines the information being in digital form
    • 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
    • H04B2203/5425—Methods of transmitting or receiving signals via power distribution lines improving S/N by matching impedance, noise reduction, gain control
    • 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
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5483—Systems for power line communications using coupling circuits
    • 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
    • H04B2203/5462—Systems for power line communications
    • H04B2203/5495—Systems for power line communications having measurements and testing channel

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Small-Scale Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Selective Calling Equipment (AREA)

Abstract

PURPOSE:To perform the transmission of data having good noise-proof performance and to enable easy detection for the failures such as power failure and open transmission line, by transmitting the signal of specific code on the distribution line of commercial frequency.
JP14852976A 1976-12-09 1976-12-09 Signal transmission system Pending JPS5372412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14852976A JPS5372412A (en) 1976-12-09 1976-12-09 Signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14852976A JPS5372412A (en) 1976-12-09 1976-12-09 Signal transmission system

Publications (1)

Publication Number Publication Date
JPS5372412A true JPS5372412A (en) 1978-06-27

Family

ID=15454811

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14852976A Pending JPS5372412A (en) 1976-12-09 1976-12-09 Signal transmission system

Country Status (1)

Country Link
JP (1) JPS5372412A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5711552A (en) * 1980-06-25 1982-01-21 Kanagawaken Transmission system for disaster preventing signal
JPS60148247A (en) * 1984-01-13 1985-08-05 Hitachi Ltd Signal transmitter using distribution line
JPS62264280A (en) * 1986-05-09 1987-11-17 株式会社ユ−シン Communication controller of lock for car
JPH08256384A (en) * 1994-12-19 1996-10-01 Sgs Thomson Microelectron Sa System for remotely reading electric meter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5711552A (en) * 1980-06-25 1982-01-21 Kanagawaken Transmission system for disaster preventing signal
JPS639703B2 (en) * 1980-06-25 1988-03-01 Kanagawaken
JPS60148247A (en) * 1984-01-13 1985-08-05 Hitachi Ltd Signal transmitter using distribution line
JPH0528011B2 (en) * 1984-01-13 1993-04-23 Hitachi Ltd
JPS62264280A (en) * 1986-05-09 1987-11-17 株式会社ユ−シン Communication controller of lock for car
JPH08256384A (en) * 1994-12-19 1996-10-01 Sgs Thomson Microelectron Sa System for remotely reading electric meter

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