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Transformer tap switching power supply for LED traffic signal 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G05F-001/00
출원번호 US-0169271 (1998-10-09)
발명자 / 주소
  • Hochstein Peter A.
출원인 / 주소
  • Relume Corporation
대리인 / 주소
    Howard & Howard
인용정보 피인용 횟수 : 52  인용 특허 : 11

초록 ▼

A transformer T1 having a primary winding and a secondary winding each having a plurality of turns 12 and 14 and a plurality of taps 16, 18, 20, 22 and 24 for changing the number of effective turns 12 and 14 of the primary winding. An array of LEDs 36 produce a luminous output in response to power s

대표청구항 ▼

[ What is claimed is:] [4.] A method of powering an array of light emitting diodes (LEDs (36)) comprising the steps of;supplying power to the LEDs (36) from a transformer (T1) having a primary winding and a secondary winding each having a plurality of turns (12 and 14), and automatically changing th

이 특허에 인용된 특허 (11)

  1. Eitzmann Murray A. (Ballston Lake NY) Hill Ann T. (Ballston Spa NY), Combined solid-state and mechanically-switched transformer tap-changer.
    상세보기
  2. Trainor John J. (Wake Forest NC) Laplace Carl J. (Raleigh NC) Thorsen ; Jr. William M. (Wake Forest NC), Direct load current sensing for predicted regulator tap position.
    상세보기
  3. Kwiatkowski Richard J. (Allentown PA) Rowen Michael J. (Center Valley PA), Master electrical load control system.
    상세보기
  4. Okanik Peter,DEX, Method of controlling a tap changer of a transformer.
    상세보기
  5. Yalla Murty V. V. S. (North Seminole FL) Beckwith Robert W. (Clearwater FL) Craig Andrew P. (Largo FL) Vescovi David C. (North Pinellas Park FL) Harlow James H. (North Largo FL) Bryant Timothy J. (Pa, Microcontroller-based tap changer controller employing half-wave digitization of A.C. signals.
    상세보기
  6. Engelmann Rudolph H. (Ann Arbor MI), Power control system for periodically and selectively energizing or shorting primary windings of transformers for contro.
    상세보기
  7. Hochstein Peter A. (2966 River Valley Dr. Troy MI 48098), Power supply for light emitting diode array.
    상세보기
  8. Ritter Rolland R. (St. Paul MN), Power supply having automatically varied primary turns.
    상세보기
  9. Kugler Kurt (Lappersdorf DT), System for effecting tap changes of tapped transformer windings by means of thyristors.
    상세보기
  10. Nicolas Jean-Pierre (Aspremont FRX), Tap changing power regulator for airport lighting.
    상세보기
  11. Flynn Gordon E. (Richmond VA), Voltage regulator for AC single phase and three phase systems.
    상세보기

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  1. Ishikawa, Kouichi, Apparatus for stabilizing power supply of heater housing box cooling apparatus.
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  2. Lewis Illingworth, Ballasts for operating light emitting diodes in AC circuits.
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  3. Fregoso, Gilbert, Circuit for driving light-emitting diodes.
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  4. Gordin, Myron; Boyle, Timothy J.; Stone, Thomas A., Compact and adjustable LED lighting apparatus, and method and system for operating such long-term.
    상세보기
  5. Panaccio, Luigi, Controller.
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  6. Shrotriya, Ameya Dilip; Hillas, Nicholaos, Controller for inserting signaling transitions onto a line voltage.
    상세보기
  7. Bourgault, Jean-Simon, Count down led traffic signal.
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  8. Kang,Ho woong, Display apparatus.
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  9. Barth, Alexander; Hein, Peter; Ludorf, Werner, Drive circuit for light-emitting diodes.
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  10. Owen, Mark D.; McNeil, Tom; Vlach, Francois, High efficiency solid-state light source and methods of use and manufacture.
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  11. Owen, Mark D.; McNeil, Tom; Vlach, Francois, High efficiency solid-state light source and methods of use and manufacture.
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  12. Barnetson, Donald; Zhang, John X, Hybrid power architecture for controlling a lighting system.
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  13. Hering,Bernhard; Schierjott,Rudolf; Treffer,Gerhard, Illuminated sign for traffic control and method for functional monitoring of such a sign.
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  14. St. Germain,Nicolas, Intelligent light degradation sensing LED traffic signal.
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  15. Kraus, Robert; Blümel, Simon, LED array and LED module with chains of LEDs connected in parallel.
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  16. Erhardt, Robert A., LED assembly and module.
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  17. Chiang,Johnson, LED driving device.
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  18. Hefright, Craig; DiPenti, Timothy; Kolstee, Todd, LED strip light lamp assembly.
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  19. Campbell, Gregory; Shikh, Igor, LED-based lighting fixtures and related methods for thermal management.
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  20. Swami,Shirish; Kapoor,Neil; Newell,Jason, Lamp control system.
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  21. Lee, Keon Young; Lee, Choong Hae, Light emitting apparatus using AC LED.
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  22. Chevalier, Daniel; Martel, Alain, Lighting device.
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  23. Van De Ven, Antony Paul, Lighting device with color control, and method of lighting.
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  24. Myers, Peter Jay; Harris, Michael; Negley, Gerald H., Lighting devices and methods for lighting.
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  25. Myers, Peter Jay; Harris, Michael; Negley, Gerald H., Lighting devices and methods for lighting.
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  26. Myers, Peter Jay; Harris, Michael; Negley, Gerald H., Lighting devices and methods for lighting.
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  27. Clark, Adam J.; Romano, Perry; Anderson, Jr., Ormand Gilbert, Lighting fixture.
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  28. Reisenauer, William; Cannarili, Kevin; Sacks, Stephen, Line voltage dimmable constant current LED driver.
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  29. Rohlfing,Ralph; Serfass,Wolfgang, Luminaire with LED(s) and method for operating the luminaire.
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  30. Zlotnikov, Vadim; Gunter, John B.; Coker, Jim; Berman, George; Berger, Valeriy K., Methods and systems for maintaining the illumination intensity of light emitting diodes.
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  31. Zlotnikov, Vadim; Gunter, John B.; Coker, Jim; Berman, George; Berger, Valeriy K., Methods and systems for maintaining the illumination intensity of light emitting diodes.
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  32. Zlotnikov, Vadim; Gunter, John B.; Coker, Jim; Berman, George; Berger, Valeriy K., Methods and systems for maintaining the illumination intensity of light emitting diodes.
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  33. Jasmin,Roland; Owen,Mark D.; Schreiner,Alex; Anderson,Duwayne R., Methods and systems relating to solid state light sources for use in industrial processes.
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  34. Roberts, John K.; Sims, Paul E.; You, Chenhua, Multiple color lighting element cluster tiles for solid state lighting panels.
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  35. Shteynberg, Anatoly; Rodriguez, Harry, Off line LED driver with integrated synthesized digital optical feedback.
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  36. Fregoso, Gilbert, Photopolymerization apparatus.
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  37. Buday,Jeremie M., Resistance welding electrode, welded copper flex lead, and method for making same.
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  38. Tichborne, Frank George; Burton, Colin, Signal lamps and apparatus.
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  39. Negley, Gerald H.; Hunter, F. Neal, Solid state light emitting device and method of making same.
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  40. Negley, Gerald H.; Van De Ven, Antony Paul; Byrd, Kenneth R.; Myers, Peter J.; Harris, Michael, Solid state lighting devices and methods of manufacturing the same.
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  41. Negley, Gerald H.; Van De Ven, Antony Paul; Byrd, Kenneth R.; Myers, Peter J.; Harris, Michael, Solid state lighting devices and methods of manufacturing the same.
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  42. Clark, Adam Joseph; Romano, Perry, Solid state lighting fixtures with integrated wireless control.
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  43. Roberts, John K.; Vadas, Keith J., Solid state lighting panels with limited color gamut and methods of limiting color gamut in solid state lighting panels.
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  44. Roberts, John K.; Vadas, Keith J., Solid state lighting panels with limited color gamut and methods of limiting color gamut in solid state lighting panels.
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  45. Roberts, John K.; Sims, Paul E.; You, Chenhua, Solid state lighting units and methods of forming solid state lighting units.
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  46. Rhodes, Michael L.; Krafthefer, Brian C.; Kittleson, David B.; Ma, Hogbin, System for particulate matter sensor signal processing.
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  47. Roberts, John K.; Vadas, Keith J.; You, Chenhua, Systems and methods for calibrating solid state lighting panels.
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  48. Roberts, John K.; You, Chenhua; Vllcans, Clinton, Systems and methods for calibrating solid state lighting panels using combined light output measurements.
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  49. Roberts, John K.; Vadas, Keith J., Systems and methods for protecting display components from adverse operating conditions.
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  50. Roberts, John K.; Vadas, Keith J., Systems and methods for providing color management control in a lighting panel.
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  51. Roberts, John K.; Vadas, Keith J., Systems and methods for split processor control in a solid state lighting panel.
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  52. Negley, Gerald H.; Sims, Paul E.; Loh, Ban P., Tile for solid state lighting.
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