Patent ID: 9373016
Filing Date: 2016-06-21
CPC Classification: G06K

Claim Text:
1. An imager type image capturing device, comprising: an image forming device including a sensor including a one-dimensional or two-dimensional array of photosensitive elements, and defining an optical reception axis, at leastone reading distance, and a region framed by the sensor on a substrate at said at least one reading distance, an illumination device including an array of adjacent light sources, defining an optical illumination axis, wherein: the light sources are individually drivable and each light source is adapted to illuminate an area of a size much smaller than the size of said region framed by the sensor, the optical illumination axis does not coincide with the optical reception axis, a driver of the light sources is adapted to drive the light sources so as to switch off at least the lien sources that illuminate outside of the boundary of the region framed by the sensor on the substrate at said at least one reading distance, the driver is adapted to run-time determine which light sources of the array to switch on or off, respectivelv, as a function at least of the reading distance, and the driver is adapted to carry out the run-time determining in a recursive manner, wherein the driver is adapted to switch on a subset of light sources, evaluate at least one of the position and the extent of the area illuminated on the substrate with respect to the region framed by the sensor, and adapt the subset of light sources based on the evaluation.