Patent
Autofocusing optical imaging device
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TLDR
An optical imager includes an image sensor for capturing images of targets and outputting image signals; a lens for focusing the target on the image sensor as a function of lens position; a memory for storing predetermined lens positions determined from predetermined target sizes; and a controller for determining current target size based on captured images and positioning the lens at a predetermined lens position by correlating current target sizes with predetermined target size as mentioned in this paper.Abstract:
An optical imager includes: an image sensor for capturing images of targets and outputting image signals; a lens for focusing the target on the image sensor as a function of lens position; a memory for storing predetermined lens positions determined from predetermined target sizes; and a controller for determining current target size based on captured images and positioning the lens at a predetermined lens position by correlating current target size with predetermined target sizes.read more
Citations
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Measuring object dimensions using mobile computer
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References
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Patent
Image sensor based optical reader
Robert J. Hennick,Charles P. Barber,Eric Coleman,Michael A. Ehrhart,Colleen P. Gannon,Robert C. Gardiner,William H. Havens,Vivian L. Hunter,Melvin D. McCall,Thomas Ruhlman +9 more
TL;DR: An optical reader can include an image sensor as discussed by the authors, the image sensor can be configured to have different operating modes, the operating modes optimize the reader for reading different indicia, and the reader can be provided in a specialized form factor including an enlarged head and an elongated body portion extending from the head portion.
Patent
Imaging terminal having focus control
TL;DR: In this paper, an imaging terminal having an image sensor array and a variable lens assembly for focusing an image onto the imaging sensor array is described. But the focus setting of the imaging lens assembly can be fixed so that a predetermined lens assembly focus setting is active when a trigger signal is active.
Patent
Optical reader having a color imager
TL;DR: In this article, an optical reader that includes a color imaging assembly that generates color imaging data is presented, and an image analysis circuit determines if the acquired image should be characterized as a color photograph or as including a graphical symbol.
Patent
Automatic focus adjusting device
TL;DR: An automatic focusing device for predicting the position of an object after a predetermined time, based on past focusing operations on the object, utilizing a function of a higher order, and driving a lens for focusing to the predicted object position is presented in this article.
Patent
Digital picture taking optical reader having hybrid monochrome and color image sensor array
TL;DR: In this article, a hand-held optical reader with a specially constructed two-dimensional image sensor array is operational in a bar code decoding mode and in a picture-taking mode.
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