JPS5372411A - Signal transmission system - Google Patents

Signal transmission system

Info

Publication number
JPS5372411A
JPS5372411A JP14852876A JP14852876A JPS5372411A JP S5372411 A JPS5372411 A JP S5372411A JP 14852876 A JP14852876 A JP 14852876A JP 14852876 A JP14852876 A JP 14852876A JP S5372411 A JPS5372411 A JP S5372411A
Authority
JP
Japan
Prior art keywords
signal transmission
transmission system
synchronism
proof
noise
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
JP14852876A
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 JP14852876A priority Critical patent/JPS5372411A/en
Publication of JPS5372411A publication Critical patent/JPS5372411A/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
    • H04B2203/542—Methods of transmitting or receiving signals via power distribution lines using zero crossing information
    • 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

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 enable the data transmission having noise-proof and without out of synchronism, by utilizing the voltage zero point of commercial frequency and by using AC long pulse.
JP14852876A 1976-12-09 1976-12-09 Signal transmission system Pending JPS5372411A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14852876A JPS5372411A (en) 1976-12-09 1976-12-09 Signal transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14852876A JPS5372411A (en) 1976-12-09 1976-12-09 Signal transmission system

Publications (1)

Publication Number Publication Date
JPS5372411A true JPS5372411A (en) 1978-06-27

Family

ID=15454787

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14852876A Pending JPS5372411A (en) 1976-12-09 1976-12-09 Signal transmission system

Country Status (1)

Country Link
JP (1) JPS5372411A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574246A (en) * 1978-11-29 1980-06-04 Matsushita Electric Works Ltd Signal delivery system
JPS60148247A (en) * 1984-01-13 1985-08-05 Hitachi Ltd Signal transmitter using distribution line

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574246A (en) * 1978-11-29 1980-06-04 Matsushita Electric Works Ltd Signal delivery system
JPS6214971B2 (en) * 1978-11-29 1987-04-04 Matsushita Electric Works Ltd
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

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