Digital image scanner is a device for scanning the images contained on pages of a document and transforming the scanned image into digital electronic signals corresponding to the physical state at each part of the search area, that is, into image documents.
In the industrial context, a digital image scanner is a device that converts physical images, such as photographs or documents, into digital data that can be stored, manipulated, and transmitted electronically. The scanned images can be saved as image files, PDFs, or other digital formats.
Some examples of digital image scanners used in industry include:
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Flatbed Scanners: These are the most common type of digital image scanner, and they consist of a flat glass surface with a moving arm that houses the scanning sensor. The document or photograph is placed face-down on the glass surface, and the scanning sensor moves across the surface to capture the image.
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Sheet-fed Scanners: These scanners are designed to scan multiple pages at once, and they typically have a feeder tray that can hold up to several dozen pages. As the pages are fed through the scanner, the scanning sensor captures the images and converts them into digital format.
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Handheld Scanners: These scanners are small and portable, and they are often used to scan documents or images while on the go. Handheld scanners typically have a wand-like shape, with a scanning sensor located at one end.
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Drum Scanners: These are high-end scanners that use a rotating drum to capture images with extreme precision and detail. Drum scanners are often used in the printing and publishing industries, where high-quality image reproduction is critical.
Some other similar devices used in industry for capturing and processing images include:
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Digital Cameras: These devices are used to capture still or moving images, and they typically have a lens that focuses the light onto an image sensor. The captured images can be stored on memory cards or transmitted wirelessly.
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Document Cameras: These are specialized cameras that are designed to capture images of documents or other flat materials. Document cameras are often used in classrooms or boardrooms to display notes or diagrams.
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Optical Character Recognition (OCR) Scanners: These scanners are designed to scan printed text and convert it into digital text that can be edited or searched. OCR scanners are commonly used in offices to digitize paper documents.
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3D Scanners: These devices are used to capture 3D images of objects, and they typically use lasers or structured light to measure the object's shape and size. 3D scanners are often used in engineering, manufacturing, and product design.
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