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Method and apparatus for a pulsed L.E.D. illumination source

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F21L-004/02
출원번호 US-0299609 (2002-11-18)
발명자 / 주소
  • Lebens, Gary A.
  • Bourn, Charles T.
  • Lemaire, Charles A.
출원인 / 주소
  • PPT Vision, Inc.
대리인 / 주소
    Charles A. Lemaire, Lemaire Patent Law Firm, P.L.L.C.
인용정보 피인용 횟수 : 104  인용 특허 : 57

초록

Improved method and apparatus for hand-held portable illumination. A flashlight and corresponding method are described. The flashlight includes a housing, a plurality of LEDs, and an electrical circuit that selectively applies power from the DC voltage source to the LED units, wherein the flashlight

대표청구항

1. A method of providing general-purpose illumination of such compact size and low weight as to be suitable for single-handed portable operation by a user, comprising the steps of:(a) providing one or more first LED units that each emit light;(b) selectively applying pulsed power from a DC voltage s

이 특허에 인용된 특허 (57)

  1. Amir Israel (Ewing NJ), 3D imaging of a substrate using perpendicular scanning directions.
  2. Schmidt Robert C. H. (16001 Tonkawood Ct. Minnetonka MN 55343), Aiming post light.
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  6. Katana Yukio (Tokyo JPX) Goto Masao (Tokyo JPX) Sekiguchi Ichiro (Tokyo JPX), Bar code scanner with diffusion filter and plural linear light source arrays.
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  14. Schaller David R. (Janesville WI) Megahed El-Sayed (Madison WI) Mills Gregory L. (Middleton WI), Electro-optic flashlight electro-optically controlling the emitted light.
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  22. Connelly Keith (Ithaca NY), Illuminating toy.
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  25. Jain Kantilal (18 Algonquian Trail Briarcliff Manor NY 10510), Illumination system to produce self-luminous light beam of selected cross-section, uniform intensity and selected numeri.
  26. Yoshida Yoshiki (Yokohama JPX) Asada Kenichirou (Tokyo JPX) Nagasawa Kiyoto (Yokohama JPX), Image forming apparatus and method of controlling output of semiconductor laser.
  27. Rose David (Bowie MD), Individual beacon identification system.
  28. Cochran Don W. (Highland Heights OH) Austin James R. (Mentor-on-the-Lake OH), Inspection lighting system.
  29. Rowan Larry (3440½Caroline Ave. Culver City CA 90230), Interactive transector device commercial and military grade.
  30. Toyonaga Shuji (Kawasaki JPX) Gemma Takashi (Tokyo JPX), Interferometer for observing the interference pattern of a surface under test utilizing an adjustable aperture stop.
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  32. Negishi Masataka (29-19 ; Daito 2-Chome Urawa-Shi ; Saitama-Ken JPX), Lighting device.
  33. Abtahi Homayoon ; Abtahi Maria Fernanda, Lighting units.
  34. Lebens Gary A., Machine-vision illumination system and method for delineating a lighted volume from an unlighted volume.
  35. Lebens Gary A. ; Bourn Charles T. ; Lemaire Charles A., Method and apparatus for L.E.D. illumination.
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  38. Chadwick Curt H. (Los Gatos CA) Sholes Robert R. (Ben Lomond CA) Greene John D. (Santa Cruz CA) Tucker ; III Francis D. (Menlo Park CA) Fein Michael E. (Mountain View CA) Jann P. C. (Mountain View CA, Method and apparatus for optical inspection of substrates.
  39. Halioua Maurice (Sea Cliff NY) Srinivasan Venugopal (Singapore SGX), Method and apparatus for surface profilometry.
  40. de Groot Peter (Middletown CT), Method and apparatus for surface topography measurement by spatial-frequency analysis of interferograms.
  41. Balasubramanian N. (22908 Cricket Hill Rd. Cupertino CA 95014), Method and system for surface contouring.
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  43. Juengel Richard O. (Romeo MI), Optical data system having flash/receiver head for energizing/receiving information from a battery operated transmitter.
  44. Juengel Richard O. (Romeo MI), Optical data system having flash/receiver head for energizing/receiving information from a battery operated transmitter.
  45. Wyant James C. (Tucson AZ) Prettyjohns Keith N. (Tucson AZ), Optical profiler using improved phase shifting interferometry.
  46. Roustaei Alex (1696 Via Inspirar San Marcos CA 92069), Optical scanning head.
  47. Philippe Perrier (St. Nom-la-Bretecne FRX) Didier Lapeyre (Chaignes FRX), Prosthetic cardiac valve.
  48. Cochran Don W. (Highland Heights OH) Austin James R. (Mentor-on-the-Lake OH), Pulsed-array video inspection lighting system.
  49. King Steven Joseph ; Ludlow Jonathan Edmund ; Schurr George, Ring illumination reflective elements on a generally planar surface.
  50. Cohen Donald K. (Tucson AZ) Caber Paul J. (Tucson AZ) Brophy Chris P. (White Bear Township ; Ramsey County MN), Rough surface profiler and method.
  51. Bieman Leonard H. (Farmington Hills MI), Scanning phase measuring method and system for an object at a vision station.
  52. Bladowski Witold S.,CAX ITX L4N 5K8, Solid state light system.
  53. Bieman Leonard H. (Farmington Hills MI) Michniewicz Mark A. (Milford MI), System for optically measuring the surface contour of a part using more fringe techniques.
  54. Cusack Robert F. (Grosse Pointe MI), Touch probe.
  55. Svetkoff Ronald J. (Ann Arbor MI) Rohrer Donald K. (Whitmore Lake MI) Kelley Robert W. (Ann Arbor MI), Triangulation-based 3D imaging and processing method and system.
  56. Bailey Roger F. (Sugar Land TX) Codding Elias H. (Houston TX), Viewer for a sorting machine.
  57. Huber Edward D. (Sunnyvale CA) Williams Rick A. (Orinda CA), Vision inspection system and method.

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