JPS6240894B2 - - Google Patents

Info

Publication number
JPS6240894B2
JPS6240894B2 JP57062785A JP6278582A JPS6240894B2 JP S6240894 B2 JPS6240894 B2 JP S6240894B2 JP 57062785 A JP57062785 A JP 57062785A JP 6278582 A JP6278582 A JP 6278582A JP S6240894 B2 JPS6240894 B2 JP S6240894B2
Authority
JP
Japan
Prior art keywords
coil
transmission line
signal
transmission
circuit
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.)
Expired
Application number
JP57062785A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58179034A (ja
Inventor
Masahiro Ise
Tsuguhiko Tanaka
Katsuyuki Machino
Toshuki Matsubara
Teiji Terasaka
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 JP57062785A priority Critical patent/JPS58179034A/ja
Priority to CA000425394A priority patent/CA1226919A/en
Priority to US06/483,252 priority patent/US4622535A/en
Priority to EP83302054A priority patent/EP0091824B1/en
Priority to DE8383302054T priority patent/DE3377189D1/de
Publication of JPS58179034A publication Critical patent/JPS58179034A/ja
Publication of JPS6240894B2 publication Critical patent/JPS6240894B2/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
    • H04B3/56—Circuits for coupling, blocking, or by-passing of signals
    • 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
    • H04B2203/5425—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
    • H04B2203/5429—Applications for powerline communications
    • H04B2203/5433—Remote metering
    • 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)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Small-Scale Networks (AREA)
  • Near-Field Transmission Systems (AREA)
JP57062785A 1982-04-14 1982-04-14 デ−タ伝送システム Granted JPS58179034A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57062785A JPS58179034A (ja) 1982-04-14 1982-04-14 デ−タ伝送システム
CA000425394A CA1226919A (en) 1982-04-14 1983-04-07 Receiving circuit for a data transmission system
US06/483,252 US4622535A (en) 1982-04-14 1983-04-08 Receiving circuit for a data transmission system
EP83302054A EP0091824B1 (en) 1982-04-14 1983-04-12 Receiving circuit for a data transmission system
DE8383302054T DE3377189D1 (en) 1982-04-14 1983-04-12 Receiving circuit for a data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57062785A JPS58179034A (ja) 1982-04-14 1982-04-14 デ−タ伝送システム

Publications (2)

Publication Number Publication Date
JPS58179034A JPS58179034A (ja) 1983-10-20
JPS6240894B2 true JPS6240894B2 (enExample) 1987-08-31

Family

ID=13210348

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57062785A Granted JPS58179034A (ja) 1982-04-14 1982-04-14 デ−タ伝送システム

Country Status (5)

Country Link
US (1) US4622535A (enExample)
EP (1) EP0091824B1 (enExample)
JP (1) JPS58179034A (enExample)
CA (1) CA1226919A (enExample)
DE (1) DE3377189D1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06275979A (ja) * 1993-03-19 1994-09-30 Nec Kansai Ltd 高周波ユニットのアース構造

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4825450A (en) * 1987-03-12 1989-04-25 The Boeing Company Binary data communication system
US4823364A (en) * 1987-03-12 1989-04-18 The Boeing Company Receive coupler for binary data communication systems
EP0302746B1 (en) * 1987-08-07 1994-03-30 Mitsui Petrochemical Industries, Ltd. Apparatus for and method of discriminating signals
US5644286A (en) * 1993-10-04 1997-07-01 Lockheed Martin Corporation Power bus digital communication system
JP3071220B2 (ja) * 1994-04-25 2000-07-31 フォスター−ミラー インク 自己給電型電力線センサ
DE19642034A1 (de) * 1996-10-11 1998-04-23 Gore W L & Ass Gmbh Elektrische Datenübertragungseinrichtung
US7158012B2 (en) 1996-11-01 2007-01-02 Foster-Miller, Inc. Non-invasive powerline communications system
US5850114A (en) * 1996-12-23 1998-12-15 Froidevaux; Jean-Claude Device for improving the quality of audio and/or video signals
US5982276A (en) * 1998-05-07 1999-11-09 Media Fusion Corp. Magnetic field based power transmission line communication method and system
US6677743B1 (en) 1999-03-05 2004-01-13 Foster-Miller, Inc. High voltage powerline sensor with a plurality of voltage sensing devices
US6668058B2 (en) 2000-03-07 2003-12-23 Telkonet Communications, Inc. Power line telephony exchange
US6975212B2 (en) * 2001-10-02 2005-12-13 Telkonet Communications, Inc. Method and apparatus for attaching power line communications to customer premises
US7091831B2 (en) * 2001-10-02 2006-08-15 Telkonet Communications, Inc. Method and apparatus for attaching power line communications to customer premises
US20040227623A1 (en) * 2003-05-07 2004-11-18 Telkonet, Inc. Network topology and packet routing method using low voltage power wiring
US20040233928A1 (en) * 2003-05-07 2004-11-25 Telkonet, Inc. Network topology and packet routing method using low voltage power wiring
US7493100B2 (en) 2003-10-15 2009-02-17 General Electric Company Compensating for dynamic nulls in a power line communication system
US7548819B2 (en) * 2004-02-27 2009-06-16 Ultra Electronics Limited Signal measurement and processing method and apparatus
US20060193313A1 (en) * 2005-02-25 2006-08-31 Telkonet, Inc. Local area network above telephony infrastructure
US20060193310A1 (en) * 2005-02-25 2006-08-31 Telkonet, Inc. Local area network above telephony methods and devices
US20060193336A1 (en) * 2005-02-25 2006-08-31 Telkonet, Inc. Local area network above cable television methods and devices

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5129414B1 (enExample) * 1970-04-03 1976-08-25
US3986115A (en) * 1975-01-20 1976-10-12 The United States Of America As Represented By The Secretary Of The Navy Transient direction detector
US4183072A (en) * 1976-12-29 1980-01-08 Mitsubishi Denki Kabushiki Kaisha Protective relaying system
US4281386A (en) * 1979-08-01 1981-07-28 Tokyo Shibaura Denki Kabushiki Kaisha Systems for detecting faults in electric power systems
US4438396A (en) * 1981-07-24 1984-03-20 General Electric Company Low cost volt/ampere meter with liquid crystal display
EP0084098B1 (de) * 1982-01-18 1985-03-20 LGZ LANDIS & GYR ZUG AG Empfänger für Tonfrequenz-Signale

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06275979A (ja) * 1993-03-19 1994-09-30 Nec Kansai Ltd 高周波ユニットのアース構造

Also Published As

Publication number Publication date
EP0091824B1 (en) 1988-06-22
CA1226919A (en) 1987-09-15
EP0091824A2 (en) 1983-10-19
US4622535A (en) 1986-11-11
JPS58179034A (ja) 1983-10-20
EP0091824A3 (en) 1985-04-17
DE3377189D1 (en) 1988-07-28

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