Patent ID: 6832729
Filing Date: 2004-12-21
Classification: G06K,G07G

Abstract:
A portable data collection device for reading fluorescent indicia comprising:a housing; an image capture module in said housing having an aperture, optics, and a detector for capturing images from light received through said aperture and focused by said optics onto said detector; a flash for providing light having one or more excitation wavelengths capable of fluorescing said indicia; a display on said housing capable of viewing captured fluorescent images; means for operating said flash to fluoresce said indicia, in which said detector receives light at one or more fluoresced wavelengths representing an image of said indicia; and a sensor for measuring light, in which said means for operating said flash further comprises means for providing light from said flash for a duration in accordance with the measured light to provide proper exposure of the image by said detector.