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Patent

Imaging module for optical reader comprising refractive diffuser

TLDR
In this article, the authors present an imaging module including various optical components and a circuit board, which, in one embodiment, carries essentially an entirety of illumination and aiming LEDs of the module.
Abstract
The present invention is an imaging module including various optical components and a circuit board, which, in one embodiment, carries essentially an entirety of illumination and aiming LEDs of the module. The module includes a combination of features which result in the size of the module being reduced. The module may comprise a refractive optic diffuser plate manufactured using a textured surface mold.

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Patent

Optical reader comprising multiple color illumination

TL;DR: In this paper, an imaging module in one embodiment includes at least one multiple color emitting light source comprising a plurality of different colored LED dies each independently driveable so that the overall color emitted by the light source can be controlled and varied.
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Image sensor based optical reader

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.
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TL;DR: In this article, an apparatus is set forth for capturing image data and processing the first frame of image data, and a second frame is processed by the same apparatus. But the second frame of the image data is not captured.
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Indicia reading terminal processing plurality of frames of image data responsively to trigger signal activation

TL;DR: In this paper, a decodable indicia reading terminal can capture and process a certain (e.g., a first) and a subsequent frame of image data, wherein the certain and the subsequent frames have different imaging attributes.
References
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Patent

Optical scanner for reading and decoding one- and-two-dimensional symbologies at variable depths of field including memory efficient high speed image processing means and high accuracy image analysis means

TL;DR: An optical device for reading one-and two-dimensional symbologies at variable depths of field is described in this paper, where a light source for projecting emitted light toward the symbol image to be reflected back to an optical assembly, or zoom lens.
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TL;DR: The optical scanning head includes at least one trio of light emitting diodes arranged so the LEDs emit light at different angles to create a fan of light. as mentioned in this paper The optical module includes a light shield or "dark room" and a lens/filter assembly which provides control of the depth of focus of the scanner.
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TL;DR: In this paper, a portable data collection device having a modular imaging-based dataform reader is presented, which includes a two dimensional imaging assembly adapted to image and decode a dataform printed using ink that fluoresces when illuminated by ultraviolet light.
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Portable data collection device with dataform decoding and image capture capability

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