Portable communication device equipped with an electronic flash having a LED ignition device
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United States of America Patent
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Dec 15, 2009
Grant Date -
Dec 27, 2007
app pub date -
Aug 22, 2006
filing date -
Jun 21, 2006
priority date (Note) -
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Abstract
A portable communication device includes an image capture device, a light source unit operable to provide a flash of light and a flash ignition device. The flash ignition device includes a light emitting diode (LED) that provides optical output of an appropriate wavelength that is operable to trigger a flash of light from a gas discharge tube within the light source unit. The provision of a LED in the flash ignition device provides ionization of gas within the gas discharge tube via photoionization and/or the photoelectric effect.
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