G06K 7/1096

Methods or arrangements for sensing record carriers, {e.g. for reading patterns} by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation {by scanning of the records by radiation in the optical part of the electromagnetic spectrum further details of bar or optical code scanning devices the scanner having more than one scanning window, e.g. two substantially orthogonally placed scanning windows for integration into a check-out counter of a super-market}