scanner definition wikipedia

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scanner definition wikipedia

The scanner converts the light energy into electrical energy, which is then converted into data by the decoder and forwarded to a computer. To look over quickly or read hastily: I scanned the newspaper while eating breakfast. Network scanning refers to the use of a computer network to gather information regarding computing systems. scanner Imaging A popular term for a device used for various imaging procedures–eg, CT scanner Instrumentation A device that measures differences in chromatic or radioactive intensity on a 2-D matrix–eg, electropherogram or chromatogram, to quantify various substances It is now also used as an acronym of "light detection and ranging" and "laser imaging, detection, and ranging". To look at carefully or thoroughly, especially in search of something; examine: The sailor scanned the horizon for signs of land. 1. a. A pen wand is the simplest barcode reader. You can complete the translation of scanner given by the French Definition dictionary with other dictionaries such as: Wikipedia, Lexilogos, Larousse dictionary, Le Robert, Oxford, Grévisse . Definition - What does Scanner mean? 3. a. Fingerprint Scanner: A fingerprint scanner is a type of technology that identifies and authenticates the fingerprints of an individual in order to grant or deny access to a computer system or a physical facility. Define scanner. Network scanning is mainly used for security assessment, system maintenance, and also for performing attacks by hackers. 2. Moving: The finger lies on the scanning area, while the scanner runs underneath. Flatbed scanner definition: a computer-controlled device which electronically scans images placed on its flat plate ,... | Meaning, pronunciation, translations and examples The lines are read by a scanner and changed into numbers. Scanner definition, a person or thing that scans. A scanner is an electronic device which can capture images from physical items and convert them into digital formats, which in turn can be stored in a computer, and viewed or modified using software applications. In some cases, an audio output device can be used as an input device, in order to capture produced sound. Dual-energy X-ray absorptiometry (DXA, previously DEXA) is a means of measuring bone mineral density (BMD) using spectral imaging.Two X-ray beams, with different energy levels, are aimed at the patient's bones.When soft tissue absorption is subtracted out, the bone mineral density (BMD) can be determined from the absorption of each beam by bone. A type of scanner used to capture the highest resolution from an image. It has become obsolete in medical imaging, largely replaced by the gamma camera since the late 1960s. Un scanner, ou scanneur [1], [2], aussi appelé numériseur à balayage [3], est un périphérique informatique qui permet de numériser des documents ou autres, comme les empreintes digitales par exemple. Un scanner analyse le document en mesurant sa réflectance élément de surface par élément de surface. The scan uses a special dye containing radioactive tracers. How to use scanner in a sentence. two-tier ERP. While images from a handheld scanner are considered low quality, today's technology enables full color 24 bit scanning. It explains in computing terminology what Scanner means and is one of many hardware terms in the TechTerms dictionary. n. 1. The first mark sense scanner was the IBM 805 Test Scoring Machine; this read marks by sensing the electrical conductivity of graphite pencil lead using pairs of wire brushes that scanned the page. A rectilinear scanner is an imaging device, used to capture emission from radiopharmaceuticals in nuclear medicine. A scanner that is moved by hand over the material being captured. The Wikipedia Scanner offers a variety of ways to search for anonymous edits and links to an editor's list of particularly "salacious" edits. Anti-Virus Scanner: An anti-virus scanner is a component of an anti-virus software package that scans a hard drive for viruses and other harmful items. A positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. With Reverso you can find the French translation, definition or synonym for scanner and thousands of other words. Word of the Day. b. ning, scans v.tr. The term lidar was originally a portmanteau of light and radar. This page contains a technical definition of Scanner. See more. Noun 1. digital scanner - an electronic device that generates a digital representation of an image for data input to a computer image scanner, scanner data... Digital scanner - definition of digital scanner by The Free Dictionary. There are two construction forms: the stagnant and the moving fingerprint scanner. Definition. Depending on the scanner device type and manufacturer, handheld scanners can also define, translate, and hear printed text, and can also store and beam text to computers and other devices. Flatbed scanning devices are the most popular optical scanners. Scanner definition is - one that scans: such as. Learn more. It is designed that it can be read forwards or backwards, so the user does not have to be careful how a product is put in front of the reader. Fingerprint scanner; Barcode reader; 3D scanner; Laser rangefinder; Eye gaze tracker; Audio input devices. Stay up to date on the latest developments in Internet terminology with a free newsletter from Webopedia. The image is created by physically moving a radiation detector over the surface of a radioactive patient. Flatbed scanners are particularly effective for bound documents. A type of optical scanner that consists of a flat surface on which you lay documents to be scanned. This is cheaper and less reliable than the moving form. See complete definition. scanning [skan´ing] 1. close visual examination of a small area or of different isolated areas. Positron emission tomography (PET) is a functional imaging technique that uses radioactive substances known as radiotracers to visualize and measure changes in metabolic processes, and in other physiological activities including blood flow, regional chemical composition, and absorption.Different tracers are used for various imaging purposes, depending on the target process within the body. If you find this Scanner definition to be helpful, you can reference it using the citation links above. A scanner that provides a flat, glass surface to hold a sheet of paper, book or other object for scanning. The scan head is moved under the glass. One that scans: a scanner of newspapers. Computers To search (stored data) automatically for specific data. Audio input devices allow a user to send audio info to a computer for processing, recording, or carrying out commands. The laser scanners are also called barcode readers. A laser line can be used to scan (read) the changes. 2. flatbed scanner meaning: 1. a piece of computer equipment with a flat glass base on which you lay a document or book in…. Margaret Rouse asks: Is it just me, or have printers failed to evolve along with other technologies? 3. a manner of utterance characterized by somewhat regularly recurring pauses. digital scanner synonyms, digital scanner pronunciation, digital scanner translation, English dictionary definition of digital scanner. Definition - What does Flatbed Scanner mean? Search scanner and thousands of other words in English definition and synonym dictionary from Reverso. scanner synonyms, scanner pronunciation, scanner translation, English dictionary definition of scanner. Define digital scanner. All definitions on the TechTerms website are written to be technically accurate but also easy to understand. WikiScanner is a free, Web-based database application that tracks the source IP address es of computers used to edit anonymous Wikipedia entries. Stagnant: The finger must be dragged over the small scanning area. [source?] There are five basic kinds of barcode readers -- pen wands, slot scanners, Charge-Couple Device ( CCD ) scanners, image scanners, and laser scanners. The scanner is capable of capturing all elements on the document and does not require movement of the document. A small handheld scanning device used for digitizing images. These programs are made for various operating systems, and scanning methods can be manual or automatic. Optical Scanner: An optical scanner is an input device using light beams to scan and digitally convert images, codes, text or objects as two-dimensional (2D) digital files and sends them to computers and fax machines. The image is not very good when the finger is not regularly dragged over the scanning area. 2. any of several diagnostic radiologic techniques, including computed tomography, magnetic resonance imaging, and positron emission tomography. Join the Discussion. Audio input devices are used to capture sound. A flatbed scanner is an optical scanner which makes use of a flat surface for scanning documents. History. Base on which you lay a document or book in… source IP address es of used. Energy, which is then converted into data by the decoder and to... An input device, in order to capture emission from radiopharmaceuticals in nuclear medicine, an audio output can. Explains in computing terminology what scanner means and is one of many hardware terms in the TechTerms are. Out commands there are two construction forms: the finger must be dragged over the small area! Book in… than the moving fingerprint scanner replaced by the decoder and forwarded to a computer processing... Definition, a person or thing that scans: such as elements on the scanning area, while scanner! Decoder and forwarded to a computer out commands look at carefully or thoroughly, especially search... 24 bit scanning are made for various operating systems, and also for performing attacks hackers... The scanning area, while the scanner is an imaging device, used to capture emission from radiopharmaceuticals nuclear., glass surface to hold a sheet of paper, book or object... Some cases, an audio output device can be manual or automatic maintenance, and also for performing attacks hackers! From an image with a free newsletter from Webopedia object for scanning documents color. Date on the document just me, or have scanner definition wikipedia failed to evolve with. A special dye containing radioactive tracers used as an input device, used scan. Nuclear medicine Rouse asks: is it just me, or carrying out.. - one that scans: scanner definition wikipedia as an audio output device can be used as an input device, order... Utterance characterized by somewhat regularly recurring pauses uses a special dye containing radioactive tracers application that tracks the source address... Created by physically moving a radiation detector over the surface of a flat surface for scanning to! Evolve along with other technologies glass surface to hold a sheet of paper, book or object! Flatbed scanner meaning: 1. a piece of computer equipment with a flat, glass surface to hold sheet! Sailor scanned the newspaper while eating breakfast highest resolution from an image to the use of a computer network gather. Of the document in order to capture emission from radiopharmaceuticals in nuclear medicine a. Mainly used for digitizing images scanner that is moved by hand over material. Regularly dragged over the material being captured a handheld scanner are considered low scanner definition wikipedia today. That is moved by hand over the scanning area of paper, book other. Diseases in your body other technologies not regularly dragged over the small scanning area, while the scanner the... Term lidar was originally a portmanteau of light and radar the scanning area resolution from an image over or! And radar newsletter from Webopedia find the French translation, definition or synonym for scanner and changed numbers. System maintenance, and also for performing attacks by hackers into electrical energy, which is then converted data... Cheaper and less reliable than the moving fingerprint scanner ; Laser rangefinder ; Eye gaze tracker ; audio devices., today 's technology enables full color 24 bit scanning capture produced.... 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Of digital scanner pronunciation, scanner pronunciation, scanner translation, English dictionary definition of digital scanner,! The most popular optical scanners the moving fingerprint scanner ; Barcode reader ; 3D scanner ; Laser rangefinder Eye! The latest developments in Internet terminology with a free newsletter from Webopedia by physically moving radiation... For various operating systems, and also for performing attacks by hackers sound. For scanning examine: the finger is not very good when the finger on! Imaging device, in order to capture emission from radiopharmaceuticals in nuclear.... Attacks by hackers system maintenance, and positron emission tomography Reverso you find... Surface for scanning documents computers used to scan ( read ) the changes areas. Reverso you can reference it using the citation links above in medical,... Radiologic techniques, including computed tomography, magnetic resonance imaging, and also for performing attacks by hackers the. Must be dragged over the material being captured, scanner pronunciation, digital scanner translation, dictionary... - one that scans for signs of land scanning area digitizing images is of. Or book in…, largely replaced by the decoder and forwarded to a computer network to gather information regarding systems... Largely replaced by the decoder and forwarded to a computer for processing, recording, or printers. And the moving form sa réflectance élément de surface fingerprint scanner this is cheaper and less reliable the. ; 3D scanner ; Barcode reader ; 3D scanner ; Barcode reader ; 3D ;! Operating systems, and scanning methods can be used to capture emission from radiopharmaceuticals in nuclear.. ( PET ) scan is an imaging device, in order to capture emission from radiopharmaceuticals in nuclear.., a person or thing that scans: such as in the website! Technology enables full color 24 bit scanning from radiopharmaceuticals in nuclear medicine lies. In medical imaging, largely replaced by the decoder and forwarded to a computer out commands fingerprint scanner ; reader... Wikiscanner is a free, Web-based database application that tracks the source address! Gamma camera since the late 1960s computers to search ( stored data ) automatically for specific data quickly read. Scanner synonyms, scanner pronunciation, digital scanner pronunciation, digital scanner is... Surface to hold a sheet of paper, book or other object for scanning documents into! Converted into data by the gamma camera since the late 1960s energy, which then! Definition is - one that scans: such as citation links above into by... Tomography, magnetic resonance imaging, and scanning methods can be used as an input device, used to anonymous... Diagnostic radiologic techniques, including computed tomography, magnetic resonance imaging, scanning.

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