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특허 상세정보

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내보내기 페이스북 공유 카카오톡 공유

Method and apparatus, for power line communications using zero crossing load interruption

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04B-003/54   
미국특허분류(USC) 340/310A ; 340/310R ; 340/82550
출원번호 US-0139437 (1980-04-11)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 38  인용 특허 : 9
초록
▼

In a system for communicating information over a power line network, connection of power loads is interrupted in the vicinity of zero crossings of the A.C. power line waveform to provide a high impedance condition during which the transmitters and receivers of the power line communication carrier system can be efficiently coupled to power network transformer secondary windings in order to improve communications reliability. The communications apparatus is coupled to the secondary winding through a capacitance, chosen to substantially series-resinate the ...

대표
청구항
▼

Apparatus for use in a power line carrier communications system having at least one load connected through a transformer to a power distribution network having a periodic network waveform voltage thereon, comprising: at least one means for selectively interrupting current flow to an associated power-consuming load, responsive to an interruption signal; means for detecting zero crossing of the network waveform voltage to provide an output signal to said interrupting means as said interruption signal to cause said interrupting means to interrupt current fl...

이 특허에 인용된 특허 (9)

  1. Kincaid ; Thomas G. ; Stutt ; Charles A.. Apparatus and method for wideband communication with suppression of harmonic interference. USP1978084109204.
  2. Bogacki Anthony P. (Chester NH) Farnsworth Richard G. (York ME) Hardy Samuel G. (Durham NH) Robinson Paul B. (Durham NH) Stutt Charles A. (Rexford NY). Automatic remote meter reading and control system. USP1979014135181.
  3. Hollabaugh ; Michael D. ; Panday ; Vinod. Digital two-wire irrigation control system with feedback. USP1978124131882.
  4. Bogacki Anthony P. (Chester NH). Meter terminal unit for use in automatic remote meter reading and control system. USP1979074161720.
  5. Stutt ; Charles A. ; Rankin ; Richard W.. Methods and apparatus for rejection of interference in a digital communications system. USP1978074101834.
  6. Fong Kouan (Schenectady NY). Power line access data system. USP1976083973240.
  7. Fong Kouan (Schenectady NY). Signal repeater for power line access data system. USP1976083973087.
  8. Fong Kouan (Schenectady NY). Station for power line access data system. USP1976033944723.
  9. Anderson ; John M.. Transformer cascade for powering electronics on high voltage transmission lines. USP1978054087701.

이 특허를 인용한 특허 피인용횟수: 38

  1. Matsushita Yoh (Tokyo JPX). AC Switching device. USP1983014370564.
  2. Hines Antonio. Communications link between a tractor and trailer utilizing tractor circuitry. USP1998125854517.
  3. Wedding, Daniel K.; Wedding, Carol A. Data isolation. USP2013098536985.
  4. Beck, Wilfried; Hofmann, Ralph. Data transmission method and device for A/C systems. USP2015038988248.
  5. de Buda, Eric. Device for sending and receiving data through power distribution transformers. USP2003046549120.
  6. Beck, Wilfried. Household appliance control system. USP2014088816829.
  7. Binder, Yehuda. Local area network of serial intelligent cells. USP2014118885659.
  8. Binder, Yehuda. Local area network of serial intelligent cells. USP2014108867523.
  9. Binder, Yehuda. Local area network of serial intelligent cells. USP2014118885660.
  10. Binder, Yehuda. Local area network of serial intelligent cells. USP2014128908673.
  11. Binder, Yehuda. Local area network of serial intelligent cells. USP2010127852874.
  12. Binder, Yehuda. Local area network of serial intelligent cells. USP2011077978726.
  13. Binder,Yehuda. Local area network of serial intelligent cells. USP2008097424031.
  14. Dwight L. Barron ; Michael F. Angelo. Method and apparatus for cluster system operation. USP2002126502203.
  15. Canfield,Eric L.. Method and apparatus for communicating control and other information over a power bus. USP2007127304567.
  16. Binder, Yehuda. Network combining wired and non-wired segments. USP2015038982904.
  17. Binder, Yehuda. Network combining wired and non-wired segments. USP2014098848725.
  18. Binder, Yehuda. Network combining wired and non-wired segments. USP2014108873586.
  19. Binder, Yehuda. Network combining wired and non-wired segments. USP2014108867506.
  20. Binder, Yehuda. Network combining wired and non-wired segments. USP2011017876767.
  21. Sakai Hiroshi (Kasugai TX JPX) McGinnis William H. (San Antonio TX) Nishibayashi Hideo (Kakamigahara JPX). Optimum impedance system for coupling transceiver to power line carrier network. USP1990114973940.
  22. Dabak, Anand G.; Xu, Gang. Power line communications during selected time intervals. USP2014108867629.
  23. Ochs Garrold W. (Nokesville VA). Power line communications terminal and interface circuit associated therewith. USP1987014636771.
  24. Merwin Jeffrey D. (Buffalo Grove IL) Konopka John G. (Barrington IL). Power-line communication system using pulse transmission on the AC line. USP1997115691691.
  25. Lester, Marshall; Lane, Preston; Fienberg, Ron. Powerline control system and method. USP2012108294556.
  26. Lester, Marshall E.. Powerline pulse position modulated transmitter apparatus and method. USP2010037688183.
  27. Gray Frederick M. (Stafford GB2) Leedham Charles G. (Doveridge GB2). Receiver for A.C. electrical supply signalling arrangement. USP1983074392121.
  28. Paul Efron ; Billy J Reynolds. Remote control system for evaporative coolers. USP2002036357243.
  29. Stolowicki Ralph (Port Jefferson NY). Remote monitoring system transmitter and power supply therefor. USP1986044583073.
  30. Anderson,Scott K.; Anderson,David J.. Subterranean two-wire power and communications network. USP2006087091830.
  31. Lester, Marshall E.. Synchronization/reference pulse-based powerline pulse position modulated communication system. USP201009RE41739.
  32. Colton Laurence J.. System and method for communication between remote locations. USP1999115986574.
  33. Colton Laurence Jay ; Faith Douglas D. ; Rioboli Richard David ; Worman Jonathan Peter. System and method for communication between remote locations. USP2001056239722.
  34. Colton, Laurence Jay; Faith, Douglas D.; Rioboli, Richard David; Worman, Jonathan Peter. System and method for communication between remote locations. USP2003016509841.
  35. Baril, Steve; Labarre, Charles. System and method for power line communication. USP2012078223880.
  36. Binder, Yehuda. Telephone system having multiple distinct sources and accessories therefor. USP2010027656904.
  37. Hines Antonio. Trailer ABS monitoring and warning system. USP1999075920128.
  38. Schurig Alma Karl. Universal lan power line carrier repeater system and method. USP1998105818821.

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