Image reader having image sensor array
First Claim
Patent Images
1. An apparatus comprising:
- an image sensor array;
an imaging lens capable of directing visible light reflected from a target onto the image sensor array, wherein the imaging lens is capable of at least a first focus position and a second focus position;
a trigger configured to cause the image sensor array to capture a frame of image data comprising a representation of a bar code;
a global shutter control module configured to simultaneously activate and expose a plurality of rows of pixels in the image sensor array; and
a bar code decode module configured to decode the representation of the bar code in the frame of image data captured by the image sensor array;
wherein after the trigger is actuated, the apparatus is configured to selectively read out a predetermined number of rows of pixels in the image sensor array in a global shutter mode in which the global shutter control module is active and adjust the imaging lens to a focused setting based on the read out of the predetermined number of rows of pixels; and
wherein after focusing the imaging lens the apparatus is configured to capture the frame of image data using the global shutter mode.
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Abstract
An image reader can include an image sensor array. An image reader in one embodiment can include an optical system capable of directing light reflected from a target onto the image sensor array. An image reader can be used for reading a dataform.
425 Citations
27 Claims
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1. An apparatus comprising:
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an image sensor array; an imaging lens capable of directing visible light reflected from a target onto the image sensor array, wherein the imaging lens is capable of at least a first focus position and a second focus position; a trigger configured to cause the image sensor array to capture a frame of image data comprising a representation of a bar code; a global shutter control module configured to simultaneously activate and expose a plurality of rows of pixels in the image sensor array; and a bar code decode module configured to decode the representation of the bar code in the frame of image data captured by the image sensor array; wherein after the trigger is actuated, the apparatus is configured to selectively read out a predetermined number of rows of pixels in the image sensor array in a global shutter mode in which the global shutter control module is active and adjust the imaging lens to a focused setting based on the read out of the predetermined number of rows of pixels; and wherein after focusing the imaging lens the apparatus is configured to capture the frame of image data using the global shutter mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 20)
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14. An apparatus comprising:
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an image sensor array; an imaging lens capable of directing visible light reflected from a target onto the image sensor array, wherein the imaging lens is capable of at least a first focus position and a second focus position; a trigger configured to cause the image sensor array to capture a frame of image data comprising a representation of a decodable indicia; a global shutter control module configured to simultaneously activate and expose a plurality of pixels in the image sensor array; and an indicia decode module configured to decode representations of the decodable indicia in the frame of image data captured by the image sensor array; wherein after the trigger is actuated, the apparatus is configured to selectively read out a windowed frame of pixels of the image sensor array in a global shutter mode in which the global shutter control module is active and adjust the imaging lens to a focused setting based on the read out of the windowed frame of pixels; and wherein after focusing the imaging lens the apparatus is configured to capture the frame of image data using the global shutter mode. - View Dependent Claims (15, 16, 17, 18, 19, 21, 22, 23, 24)
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25. An apparatus comprising:
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a CMOS image sensor array; an imaging lens capable of directing visible light reflected from a target onto the CMOS image sensor array; a trigger configured to cause the CMOS image sensor array to capture a representation of a decodable indicia; a global shutter control module configured to simultaneously activate and expose a plurality of pixels in the CMOS image sensor array; and an indicia decode module configured to decode representations of a decodable indicia in a frame of image data captured by the CMOS image sensor array; an automatic focusing module, wherein after the trigger is actuated, the automatic focusing module is configured to selectively read out a windowed frame of pixels of the CMOS image sensor array in a global shutter mode and adjust the imaging lens to a focused setting based on the read out of the windowed frame of pixels; and wherein after focusing the imaging lens the apparatus is configured to capture the frame of image data using the global shutter mode. - View Dependent Claims (26, 27)
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Specification