1
Gary A Lebens, Charles T Bourn, Charles A Lemaire: Method and apparatus for an L.E.D. flashlight. PPT Vision, Schwegman Lundberg Woessner & Kluth P A, August 1, 2000: US06095661 (387 worldwide citation)

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 ...


2
Gary A Lebens, Charles T Bourn, Charles A Lemaire: Pulsed L.E.D. illumination. Lemaire Illumination Technologies, Eduardo E Drake, Fantastic IP Consulting, Charles A Lemaire, February 27, 2018: US09907137 (1 worldwide citation)

An illumination source for a camera includes one or more LEDs, and an electrical circuit that selectively applies power from the DC voltage source to the LEDs, wherein the illumination source is suitable for handheld portable operation. In some embodiments, the electrical circuit further includes a ...