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Sensing and balancing currents in a ballast dimming circuit 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01R-031/00
  • H05B-039/00
  • H05B-037/02
출원번호 US-0564577 (2000-05-05)
발명자 / 주소
  • Hubertus Notohamiprodjo
  • Thomas Marinelli AT
출원인 / 주소
  • Tridonic-USA, Inc.
대리인 / 주소
    Burns Doane Swecker & Mathis, L.L.P.
인용정보 피인용 횟수 : 47  인용 특허 : 12

초록 ▼

The present invention is directed to accurately sensing and regulating lamp current, and thus lamp output, over a range of lamp outputs, down to and below 10% of total lamp output. Exemplary embodiments can be used with a single set of power elements to drive multiple lamps in either an isolated or

대표청구항 ▼

1. Apparatus for controlling a ballast circuit comprising:means for sensing current at each of multiple outputs of a ballast circuit which is configured to receive current of each lamp to be driven, wherein first and second outputs from the ballast circuit are provided for connecting to a first lamp

이 특허에 인용된 특허 (12)

  1. Shannon John Robert ; Moyer James Copland ; Hsing Michael Ren, Apparatus for controlling a discharge lamp in a backlighted display.
    상세보기
  2. Szabados Barna,CAXITX L9G 3T5, Apparatus for dimming a fluorescent lamp with a magnetic ballast.
    상세보기
  3. El-Hamamsy Sayed-Amr (Schenectady NY), Controlled leakage transformer for fluorescent lamp ballast including integral ballasting inductor.
    상세보기
  4. Pol Nicolaas H. M.,NLX ; Veldman Paul R.,NLX ; Van Meurs Johannes M.,NLX, Discharge lamp circuit which limits ignition voltage across a second discharge lamp after a first discharge lamp has already ignited.
    상세보기
  5. Pal Sandor,HUX, Electronic ballast for fluorescent lamps.
    상세보기
  6. Dattilo Donald P. (Louisville KY) Knippert Michael S. (Grants Pass OR), Energy efficient reactance ballast with electronic start circuit for the operation of fluorescent lamps of various watta.
    상세보기
  7. Ohtsuka Hitoshi,JPX, Fluorescent lamp stabilizer harmonics reduction method.
    상세보기
  8. Clegg John C. (Provo UT) Davis Ariel R. (Provo UT), High frequency supply system for gas discharge lamps and electronic ballast therefor.
    상세보기
  9. Perrin Randall L. ; Taylor Matthew W. ; Washeleski John M., In-line module for attenuating electrical noise with male and female blade terminals.
    상세보기
  10. Nakamura Toshiaki,JPX ; Kamoi Takeshi,JPX ; Shiomi Tsutomu,JPX, Pulse generator and discharge lamp lighting device using same.
    상세보기
  11. Burke Robert V. (Ft. Wayne IN), Solid-state ballast for rapid-start type fluorescent lamps.
    상세보기
  12. Bay David L. (Beverly MA), Stabilized dimming circuit for lamp ballasts.
    상세보기

이 특허를 인용한 특허 (47)

  1. Henry,George C., Apparatus and method for striking a fluorescent lamp.
    상세보기
  2. Jin, Xiaoping, Arrangement suitable for driving floating CCFL based backlight.
    상세보기
  3. Jin, Xiaoping, Balancing arrangement with reduced amount of balancing transformers.
    상세보기
  4. Jin, Xiaoping, Balancing transformers for multi-lamp operation.
    상세보기
  5. Jin, Xiaoping, Balancing transformers for multi-lamp operation.
    상세보기
  6. Jin,Xiaoping, Balancing transformers for ring balancer.
    상세보기
  7. Wolf,Jeffrey J.; Walter,Scott D.; Demarest,Scott W.; Nelson,Cory J.; Mineau,Steven B., Color changing light devices with active ingredient and sound emission for mood enhancement.
    상세보기
  8. Wolf, Jeffrey J.; Walter, Scott D.; Demarest, Scott W.; Robling, Darren K., Color changing outdoor lights with active ingredient and sound emission.
    상세보기
  9. Abbondanzio, Matthew; Conway, Simon M., Combination compact flourescent light with active ingredient emission.
    상세보기
  10. Demarest,Scott W.; Conway,Simon M.; Walter,Scott D.; Abbondanzio,Matthew; Robling,Darren K.; Ananth,Gopal P., Combination light device with insect control ingredient emission.
    상세보기
  11. Demarest,Scott W.; Conway,Simon M.; Abbondanzio,Matthew; Robling,Darren K; Walter,Scott D.; Porchia,Jose; Wolf,Jeffrey J., Combination white light and colored LED light device with active ingredient emission.
    상세보기
  12. Demarest,Scott W.; Robling,Darren K.; Nelson,Cory J.; Wolf,Jeffrey J.; Walter,Scott D.; Mineau,Steven B.; Abbondanzio,Matthew, Combination white light and colored LED light device with active ingredient emission.
    상세보기
  13. Jang,Hyeon Yong, Controlling a light assembly.
    상세보기
  14. Jin,Xiaoping, Current sharing scheme for multiple CCF lamp operation.
    상세보기
  15. Ball,Newton E., Current-mode direct-drive inverter.
    상세보기
  16. Jin, Xiaoping, Direct coupled balancer drive for floating lamp structure.
    상세보기
  17. Ferguson, Bruce R., Dual-slope brightness control for transflective displays.
    상세보기
  18. Chiou, Chii-Fa, Full-bridge and half-bridge compatible driver timing schedule for direct drive backlight system.
    상세보기
  19. Jin, Xiaoping, High efficiency LED driving method.
    상세보기
  20. Jin, Xiaoping, High efficiency LED driving method.
    상세보기
  21. Jin, Xiaoping; Lin, Ting-Hui, High efficiency LED driving method for odd number of LED strings.
    상세보기
  22. Ball,Newton E., Incremental distributed driver.
    상세보기
  23. Balasubramanian, Jaiganesh, Intensity balance for multiple lamps.
    상세보기
  24. Ball,Newton E., Inverter with two switching stages for driving lamp.
    상세보기
  25. Porchia,Jose; Wolf,Jeffrey J., LED light bulb with active ingredient emission.
    상세보기
  26. Jin, Xiaoping, LED string driver arrangement with non-dissipative current balancer.
    상세보기
  27. Ball,Newton E., Lamp current control using profile synthesizer.
    상세보기
  28. Xiong, Wei; Pugh, Danny; Ungacta, Candice, Lighting ballast and method for balancing multiple independent resonant tanks.
    상세보기
  29. Jin, Xiaoping; Kahn, Simon Mark, Method and apparatus for driving CCFL at low burst duty cycle rates.
    상세보기
  30. Ferguson, Bruce R., Method and apparatus to control display brightness with ambient light correction.
    상세보기
  31. Ferguson,Bruce R., Method and apparatus to control display brightness with ambient light correction.
    상세보기
  32. Ball,Newton E., Method and apparatus to drive LED arrays using time sharing technique.
    상세보기
  33. Mills, Robert L., Methods and systems for dimmable fluorescent lighting using multiple frequencies.
    상세보기
  34. Ball,Newton E., Nested balancing topology for balancing current among multiple lamps.
    상세보기
  35. Ferguson,Bruce R.; Henry,George C.; Holliday,Roger, Optical and temperature feedbacks to control display brightness.
    상세보기
  36. Jin, Xiaoping, Primary side current balancing scheme for multiple CCF lamp operation.
    상세보기
  37. Jin,Xiaoping, Primary side current balancing scheme for multiple CCF lamp operation.
    상세보기
  38. Jin, Xiaoping, Split phase inverters for CCFL backlight system.
    상세보기
  39. Jin,Xiaoping, Split phase inverters for CCFL backlight system.
    상세보기
  40. Henry, George C.; Lacombe, David K, Striking and open lamp regulation for CCFL controller.
    상세보기
  41. Henry, George C.; Lacombe, David K., Striking and open lamp regulation for CCFL controller.
    상세보기
  42. Wolf, Jeffrey J.; Walter, Scott D.; Demarest, Scott W., Structures for color changing light devices.
    상세보기
  43. Ball,Newton E., Systems and methods for a transformer configuration for driving multiple gas discharge tubes in parallel.
    상세보기
  44. Ball,Newton E., Systems and methods for a transformer configuration with a tree topology for current balancing in gas discharge lamps.
    상세보기
  45. Ball,Newton E., Systems and methods for fault protection in a balancing transformer.
    상세보기
  46. Choi,Hwangsoo; Chiou,Chii Fa, Voltage regulation loop with variable gain control for inverter circuit.
    상세보기
  47. Ball,Newton E., Zigzag topology for balancing current among paralleled gas discharge lamps.
    상세보기

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