JPS5372410A - Signal transmission system - Google Patents

Signal transmission system

Info

Publication number
JPS5372410A
JPS5372410A JP14852776A JP14852776A JPS5372410A JP S5372410 A JPS5372410 A JP S5372410A JP 14852776 A JP14852776 A JP 14852776A JP 14852776 A JP14852776 A JP 14852776A JP S5372410 A JPS5372410 A JP S5372410A
Authority
JP
Japan
Prior art keywords
signal transmission
transmission system
synchronous
noise
operating
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
JP14852776A
Other languages
Japanese (ja)
Other versions
JPS6046864B2 (en
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 JP51148527A priority Critical patent/JPS6046864B2/en
Publication of JPS5372410A publication Critical patent/JPS5372410A/en
Publication of JPS6046864B2 publication Critical patent/JPS6046864B2/en
Expired 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

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 surely transmit the data without receiving the effect of noise, by synchronous-operating the center and the terminal unit with commercial frequency and by using AC long pulse.
JP51148527A 1976-12-09 1976-12-09 Signal transmission method Expired JPS6046864B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP51148527A JPS6046864B2 (en) 1976-12-09 1976-12-09 Signal transmission method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP51148527A JPS6046864B2 (en) 1976-12-09 1976-12-09 Signal transmission method

Publications (2)

Publication Number Publication Date
JPS5372410A true JPS5372410A (en) 1978-06-27
JPS6046864B2 JPS6046864B2 (en) 1985-10-18

Family

ID=15454764

Family Applications (1)

Application Number Title Priority Date Filing Date
JP51148527A Expired JPS6046864B2 (en) 1976-12-09 1976-12-09 Signal transmission method

Country Status (1)

Country Link
JP (1) JPS6046864B2 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148636A (en) * 1982-03-01 1983-09-03 シャープ株式会社 Power line data transmitting system
JPS6441199A (en) * 1987-07-29 1989-02-13 Bitoroserenia Spa Failure detection system for series feeding lighting circuit
JPS6457893A (en) * 1987-08-28 1989-03-06 Mitsubishi Cable Ind Ltd Automatic metering device for electric energy

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6413947U (en) * 1987-07-15 1989-01-24
JPH01247018A (en) * 1988-03-30 1989-10-02 Hiroaki Mizuno Container for plant
JPH01277428A (en) * 1988-04-28 1989-11-07 Hiroaki Mizuno Container for plant

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58148636A (en) * 1982-03-01 1983-09-03 シャープ株式会社 Power line data transmitting system
JPS6441199A (en) * 1987-07-29 1989-02-13 Bitoroserenia Spa Failure detection system for series feeding lighting circuit
JPS6457893A (en) * 1987-08-28 1989-03-06 Mitsubishi Cable Ind Ltd Automatic metering device for electric energy

Also Published As

Publication number Publication date
JPS6046864B2 (en) 1985-10-18

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