Patent ID: 11893450
Assignee: DATALOGIC IP TECH, S.R.L.
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 10:
11. An apparatus of an optical code scanner for scanning a subject, the apparatus comprising:
interface circuitry including an input to receive an at least one image from at least one image-capture device of the optical scanner; and
controller circuitry coupled to the interface circuitry and the input, the controller circuitry operative to process the at least one image to determine ranging between the optical scanner and the subject based on (a) projection of a pair of divergent aimer beams projected by an aimer transmitter system of the optical scanner to produce a corresponding pair of reflections off of a surface of the subject, and (b) detection of a position of at least one aimer-beam reflection of the pair of aimer-beam reflections within the at least one image;
wherein the pair of divergent aimer beams are divergent such that the pair of reflections, as captured in the at least one image by the at least one image sensor, are separated from one another by the same separation distance within each captured image, regardless of the ranging;
wherein any change in the separation distance is indicative of an occurrence of an optical misalignment of the optical scanner; and
wherein the controller circuitry is further operative to:
determine whether each of the at least one image contains an easy scene having exactly 2 beam reflections corresponding to the pair of divergent beams; and
perform detection of the occurrence of any optical misalignment only in response to a positive determination of the at least one image containing an easy scene.