Patent ID: 8482816

Claim:
A document acquisition system for optically acquiring a document, the document acquisition system comprising: at least one luminous device for illuminating the document; an optical lighting unit coupled to said at least one luminous device for permitting homogeneous lighting of the document; at least one optical sensor; an optical imaging unit for imaging the document onto said at least one optical sensor; further optical sensors disposed together with said at least one optical sensor in a grid; an imaging microlens array associated with said at least one optical sensor; further imaging microlens arrays each being associated with a respective one of said further optical sensors; further luminous devices disposed with said at least one luminous device next to one other and/or between said at least one optical sensor and said further optical sensors; said optical lighting unit including at least one lighting microlens array for said at least one luminous device and further lighting microlens arrays each for a respective one of said further luminous devices; and said imaging microlens array and/or said further imaging microlens arrays and said at least one lighting microlens array and/or said further lighting microlens arrays being mechanically connected to one another.