Английский язык
Motion picture film scanner
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Англ с Информатик
- Бұл бет үшін навигация:
- Stepper
- A hand-held
- Optical Character Recognition
| Motion picture film scanner, which scans original film for
storage as a digital file. Laser scanner, which guides a laser beam along a path, sometimes combined with a measurement. Stepper is a part of the photolithography process. A biometric scanner is an electronic device with a sensor to read patterns or images from faces, irises and finger pads to create a biological template or profile. Flatbed is built like a photocopier and is for use on a desktop; it can capture text, colour images and even small 3D objects. A flatbed scanner is an optical scanner which makes use of a flat surface for scanning documents. The scanner is capable of cap- turing all elements on the document and does not require move- ment of the document. Flatbed scanners are effective scanners for delicate materials such as vintage photographs, papers and other documents which are fragile. A hand-held scanner is small and T-shaped, ideal to capture small pictures and logos. It is used to scan physical documents into their digital forms that can be stored, edited, transferred and emailed digitally. This device is especially useful when space is a concern, as flatbed scanners tend to take up a large amount of space.
A pen scanner looks like a pen; you can scan text, figures, barcodes and handwritten numbers. Barcode reader reads barcodes on the products sold in shops and send the price to the computer in the cash register. Barcodes consist of a series of black and white stripes used to give products a unique identification number. The resolution of a scanner is measured in dpi or dots per inch. For example, a 1,200 dpi scanner gives clearer, more detailed images than a 300 dpi scanner.
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Most scanners come with Optical Character Recognition software. OCR allows you to scan pages of text and save them into your word processor; they can then be edited. жүктеу/скачать 1,47 Mb. Достарыңызбен бөлісу:
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