JPS57141145A - Power line carriage device - Google Patents

Power line carriage device

Info

Publication number
JPS57141145A
JPS57141145A JP2769981A JP2769981A JPS57141145A JP S57141145 A JPS57141145 A JP S57141145A JP 2769981 A JP2769981 A JP 2769981A JP 2769981 A JP2769981 A JP 2769981A JP S57141145 A JPS57141145 A JP S57141145A
Authority
JP
Japan
Prior art keywords
phase
noise
signal
power signal
output
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
JP2769981A
Other languages
English (en)
Japanese (ja)
Other versions
JPS643381B2 (enrdf_load_stackoverflow
Inventor
Kimio Yatsunami
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.)
Sharp Corp
Original Assignee
Sharp Corp
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 Sharp Corp filed Critical Sharp Corp
Priority to JP2769981A priority Critical patent/JPS57141145A/ja
Publication of JPS57141145A publication Critical patent/JPS57141145A/ja
Publication of JPS643381B2 publication Critical patent/JPS643381B2/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
    • 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
    • H04B2203/5491—Systems for power line communications using filtering and bypassing
    • 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)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
JP2769981A 1981-02-26 1981-02-26 Power line carriage device Granted JPS57141145A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2769981A JPS57141145A (en) 1981-02-26 1981-02-26 Power line carriage device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2769981A JPS57141145A (en) 1981-02-26 1981-02-26 Power line carriage device

Publications (2)

Publication Number Publication Date
JPS57141145A true JPS57141145A (en) 1982-09-01
JPS643381B2 JPS643381B2 (enrdf_load_stackoverflow) 1989-01-20

Family

ID=12228222

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2769981A Granted JPS57141145A (en) 1981-02-26 1981-02-26 Power line carriage device

Country Status (1)

Country Link
JP (1) JPS57141145A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845466A (en) * 1987-08-17 1989-07-04 Signetics Corporation System for high speed digital transmission in repetitive noise environment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4845466A (en) * 1987-08-17 1989-07-04 Signetics Corporation System for high speed digital transmission in repetitive noise environment

Also Published As

Publication number Publication date
JPS643381B2 (enrdf_load_stackoverflow) 1989-01-20

Similar Documents

Publication Publication Date Title
AU548021B2 (en) Circuit interrupter with digital trip unit and optically- coupled data input/output system
JPS57141145A (en) Power line carriage device
HK80095A (en) Serial-accessed memory data accessing circuit involving low operating current,and method thereof
DE3267562D1 (en) Device for determining the operating value of a load, especially the flux of a rotating field machine, from the integral of the load voltage and, optionally, the load current
KR900003923A (ko) 전자 인덕터
NO910417D0 (no) Innretning til symmetrering av signalkurver og differansestroem-vernebrytere med transduserkrets ved symmetrerende formagnetisering.
SE7709367L (sv) Modifierad forskjutningsnycklingsapparat for fasjemforelsereledrift
JPS56137110A (en) Taking-out device for output of differential transformer
SU650868A1 (ru) Фазочувствительный путевой приемник
JPS5374239A (en) Power converting device
JPS542711A (en) Electronic musical instrument
JPS5359400A (en) Annunciator
JPS55146509A (en) Load control circuit by digital data signal
JPS5337005A (en) Switching circuit of tape recorder
JPS5476210A (en) Noise reduction on-off device
JPS5297139A (en) Current increment detection relay
JPS54153258A (en) Phase discriminating circuit
JPS52123143A (en) Maximum/minimum value detection unit
JPS5568792A (en) Hearing aid
JPS5569865A (en) Electronic apparatus
ES8605922A1 (es) Sistema de proteccion integral para circuitos convertidores electronicos de corriente continua en corriente alterna
ES473457A1 (es) Mejoras introducidas en los sistemas de protecciones diferenciales de transformadores.
KR830004752A (ko) 전자유도 가열조리기(電磁誘導 加熱調理器)
KR830002461A (ko) 방해 강전류장에 대하여 통신도선을 적극 보호하기 위한 장치용 증폭회로
JPS53122079A (en) Output controlling system for sequential controller