Production of images using an array of light emitting diodes

Details Production of images using an array of light emitting diodes Production of images using an array of light emitting diodes

G - Physics

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G01D 5/26 (2006.01) B41J 2/45 (2006.01) G06K 15/12 (2006.01) H04N 1/40 (2006.01) H04N 1/401 (2006.01)

Patent

CA 2028051

44554 CAN 1A ABSTRACT PRODUCTION OF IMAGES USING AN ARRAY OF LIGHT EMITTING DIODES A method of calibrating an exposure apparatus comprising an array of light emitting diodes to a photosensitive material to be imaged, which method comprises making separate energy measurement of each light emitting diode with a detector through a coloured filter, so that the spectral response of the detector and material in the wavelength region of the emission of the light emitting diode and using said energy measurements to modulate each exposure level of the array of light emitting diodes. The calibrated exposure apparatus may be used to produce grey scale images on the photosensitive material.

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