APPARATUS FOR AND METHOD OF ELECTRO-OPTICALLY READING A SELECTED TARGET BY IMAGE CAPTURE FROM A PICKLIST OF TARGETS
First Claim
1. An apparatus for electro-optically reading, by image capture, a selected target from a picklist having a plurality of targets over a range of working distances, the apparatus comprising:
- a housing;
an imaging assembly supported by the housing, for capturing an image of the picklist in the range over an imaging field of view;
a memory for storing coordinates of a trajectory of an aiming light pattern in the imaging field of view over the range; and
a controller operatively connected to the memory, for processing the captured image along the trajectory to find and identify a target, for determining whether the target covers the trajectory, and for determining that the target is the selected target when the target at least partially covers the trajectory.
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Abstract
A selected target from a picklist having a plurality of targets is electro-optically read, by image capture, over a range of working distances, by capturing an image of the picklist in the range over an imaging field of view, by storing coordinates of a trajectory of an aiming light pattern in the imaging field of view over the range, by processing the captured image along the trajectory to find and identify a target, by determining whether the target covers the trajectory, and by determining that the target is the selected target when the target at least partially covers the trajectory.
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Citations
19 Claims
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1. An apparatus for electro-optically reading, by image capture, a selected target from a picklist having a plurality of targets over a range of working distances, the apparatus comprising:
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a housing; an imaging assembly supported by the housing, for capturing an image of the picklist in the range over an imaging field of view; a memory for storing coordinates of a trajectory of an aiming light pattern in the imaging field of view over the range; and a controller operatively connected to the memory, for processing the captured image along the trajectory to find and identify a target, for determining whether the target covers the trajectory, and for determining that the target is the selected target when the target at least partially covers the trajectory. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An apparatus for electro-optically reading, by image capture, a selected target from a picklist having a plurality of targets over a range of working distances, the apparatus comprising:
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a handheld housing; an imaging assembly including a solid-state imager having an array of image sensors supported by the housing, for capturing an image of the picklist in the range over an imaging field of view; an aiming light assembly energizable between an energized state in which an aiming light pattern is projected on the picklist, and a deenergized state in which no aiming light pattern is projected; a memory for storing two end coordinates of a linear trajectory of the aiming light pattern in the imaging field of view over the range; and a controller operatively connected to the imaging assembly, the aiming light assembly, and the memory, for processing the captured image along the linear trajectory to find and identify a target, for determining that the target is the selected target when at least one of the end coordinates is located in the target and no other target is found in a zone outside the target in the deenergized state of the aiming light assembly, and for determining that the target is the selected target when the one of the end coordinates is located in the target and another target is found in the zone outside the target in the energized state of the aiming light assembly.
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11. A method of electro-optically reading, by image capture, a selected target from a picklist having a plurality of targets over a range of working distances, the method comprising:
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capturing an image of the picklist in the range over an imaging field of view; storing coordinates of a trajectory of an aiming light pattern in the imaging field of view over the range; processing the captured image along the trajectory to find and identify a target; determining whether the target covers the trajectory; and determining that the target is the selected target when the target at least partially covers the trajectory. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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Specification