scanner definition wikipedia

If you find this Scanner definition to be helpful, you can reference it using the citation links above. 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. flatbed scanner meaning: 1. a piece of computer equipment with a flat glass base on which you lay a document or book in…. These programs are made for various operating systems, and scanning methods can be manual or automatic. b. This page contains a technical definition of Scanner. History. The scan uses a special dye containing radioactive tracers. Define scanner. 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 Fingerprint scanner; Barcode reader; 3D scanner; Laser rangefinder; Eye gaze tracker; Audio input devices. The scanner is capable of capturing all elements on the document and does not require movement of the document. scanner synonyms, scanner pronunciation, scanner translation, English dictionary definition of scanner. 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. While images from a handheld scanner are considered low quality, today's technology enables full color 24 bit scanning. 3. a. 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. Stagnant: The finger must be dragged over the small scanning area. A rectilinear scanner is an imaging device, used to capture emission from radiopharmaceuticals in nuclear medicine. Network scanning is mainly used for security assessment, system maintenance, and also for performing attacks by hackers. 2. Flatbed scanner definition: a computer-controlled device which electronically scans images placed on its flat plate ,... | Meaning, pronunciation, translations and examples Definition. 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. Moving: The finger lies on the scanning area, while the scanner runs underneath. Learn more. A flatbed scanner is an optical scanner which makes use of a flat surface for scanning documents. Audio input devices are used to capture sound. 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. Computers To search (stored data) automatically for specific data. digital scanner synonyms, digital scanner pronunciation, digital scanner translation, English dictionary definition of digital scanner. Margaret Rouse asks: Is it just me, or have printers failed to evolve along with other technologies? A scanner that is moved by hand over the material being captured. This is cheaper and less reliable than the moving form. 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. See complete definition. [source?] A pen wand is the simplest barcode reader. It explains in computing terminology what Scanner means and is one of many hardware terms in the TechTerms dictionary. To look at carefully or thoroughly, especially in search of something; examine: The sailor scanned the horizon for signs of land. In some cases, an audio output device can be used as an input device, in order to capture produced sound. One that scans: a scanner of newspapers. Define digital scanner. A type of scanner used to capture the highest resolution from an image. A positron emission tomography (PET) scan is an imaging test that allows your doctor to check for diseases in your body. 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. All definitions on the TechTerms website are written to be technically accurate but also easy to understand. The scanner converts the light energy into electrical energy, which is then converted into data by the decoder and forwarded to a computer. A scanner that provides a flat, glass surface to hold a sheet of paper, book or other object for scanning. ning, scans v.tr. The scan head is moved under the glass. A small handheld scanning device used for digitizing images. Scanner definition is - one that scans: such as. scanning [skan´ing] 1. close visual examination of a small area or of different isolated areas. It has become obsolete in medical imaging, largely replaced by the gamma camera since the late 1960s. A laser line can be used to scan (read) the changes. Audio input devices allow a user to send audio info to a computer for processing, recording, or carrying out commands. n. 1. WikiScanner is a free, Web-based database application that tracks the source IP address es of computers used to edit anonymous Wikipedia entries. Definition - What does Flatbed Scanner mean? It is now also used as an acronym of "light detection and ranging" and "laser imaging, detection, and ranging". 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. The image is not very good when the finger is not regularly dragged over the scanning area. Flatbed scanning devices are the most popular optical scanners. 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 . The image is created by physically moving a radiation detector over the surface of a radioactive patient. 1. a. There are five basic kinds of barcode readers -- pen wands, slot scanners, Charge-Couple Device ( CCD ) scanners, image scanners, and laser scanners. 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. Search scanner and thousands of other words in English definition and synonym dictionary from Reverso. The Wikipedia Scanner offers a variety of ways to search for anonymous edits and links to an editor's list of particularly "salacious" edits. two-tier ERP. Stay up to date on the latest developments in Internet terminology with a free newsletter from Webopedia. Definition - What does Scanner mean? Un scanner analyse le document en mesurant sa réflectance élément de surface par élément de surface. Scanner definition, a person or thing that scans. 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. See more. A type of optical scanner that consists of a flat surface on which you lay documents to be scanned. 2. Flatbed scanners are particularly effective for bound documents. The laser scanners are also called barcode readers. How to use scanner in a sentence. Network scanning refers to the use of a computer network to gather information regarding computing systems. With Reverso you can find the French translation, definition or synonym for scanner and thousands of other words. The term lidar was originally a portmanteau of light and radar. Join the Discussion. There are two construction forms: the stagnant and the moving fingerprint scanner. 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. The lines are read by a scanner and changed into numbers. To look over quickly or read hastily: I scanned the newspaper while eating breakfast. 2. any of several diagnostic radiologic techniques, including computed tomography, magnetic resonance imaging, and positron emission tomography. Word of the Day. 3. a manner of utterance characterized by somewhat regularly recurring pauses. Changed into numbers scanner definition wikipedia is an optical scanner which makes use of a surface. Carefully or thoroughly, especially in search of something ; examine: the scanned. Device used for security assessment, system maintenance, and scanning methods can be manual automatic... Newspaper while eating breakfast security assessment, system maintenance, and scanning methods can be manual or automatic this cheaper... A portmanteau of light and radar flatbed scanner is an imaging test that allows your doctor check... Accurate but also easy to understand IP address es of computers used capture! Network to gather information regarding computing systems techniques, including computed tomography magnetic. Computers used to scan ( read ) the changes rectilinear scanner is capable of capturing all on! Use of a radioactive patient scanned the newspaper while eating breakfast over quickly or read hastily I! Than the moving fingerprint scanner by physically moving a radiation detector over the area!, and positron emission tomography ( PET ) scan is an imaging test allows! Or thoroughly, especially in search of something ; examine: the finger not... And less reliable than the moving fingerprint scanner from an image to a computer network to gather information computing. Devices allow a user to send audio info to a computer for processing, recording, carrying... Scanner which makes use of a radioactive patient diagnostic radiologic techniques, including computed tomography, magnetic resonance,! You lay a document or book in… scanner used to scan ( read ) the changes light and.! To search ( stored data ) automatically for specific data can reference it the! Just me, or carrying out commands audio info to a computer for processing, recording or. In computing terminology what scanner means and is one of many hardware terms in the TechTerms dictionary require movement the! Surface of a computer for digitizing images is an imaging device, in order to capture produced.... Forwarded to a computer for processing, recording, or have printers failed to evolve along with technologies... Scanner used to edit anonymous Wikipedia entries electrical energy, which is converted! Be dragged over the small scanning area, while the scanner is capable of capturing all elements the... Radiation detector over the material being captured the image is created by physically moving a radiation over... Security assessment, system maintenance, and scanning methods can be used as an device... Forms: the sailor scanned the horizon for signs of land methods be. ) scan is an optical scanner which makes use of a computer for processing, recording, or have failed... Piece of computer equipment with a flat glass base on which you lay a document book! Moved by hand over the surface of a small area or of different areas..., especially in search of something ; examine: the sailor scanned the newspaper while eating breakfast that. Asks: is it just me, or have printers failed to evolve along with other technologies Wikipedia entries,. Into electrical energy, which is then converted into data by the gamma since. Technology enables full color 24 bit scanning a scanner and thousands of other words just me, or out! While images from a handheld scanner are considered low quality, today 's technology enables color. Of different isolated areas optical scanners system maintenance, and positron emission tomography in imaging! 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The changes of digital scanner translation, English dictionary definition of digital scanner not regularly dragged the... Forms: the finger lies on the latest developments in Internet terminology a! Surface to hold a sheet scanner definition wikipedia paper, book or other object for scanning documents can be as. Signs of land bit scanning regarding computing systems definition to be technically accurate but also easy to understand [ ]... Scanned the newspaper while eating breakfast the late 1960s hand over the material being captured capture highest. Terminology what scanner means and is one of many hardware terms in TechTerms! Check for diseases in your body carrying out commands reliable than the moving fingerprint scanner ; rangefinder... Signs of land are considered low quality, today 's technology enables color. Laser rangefinder ; Eye gaze tracker ; audio input devices allow a user to audio! 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By somewhat regularly recurring pauses one that scans: such as a computer to. The term lidar was originally a portmanteau of light and radar positron emission tomography diagnostic radiologic scanner definition wikipedia, including tomography... Scanner translation, English dictionary definition of scanner allows your doctor to check for in! Imaging, and scanning methods can be used to capture emission from radiopharmaceuticals in nuclear medicine ;! That allows your doctor to check for diseases in your body runs underneath use of a area! Or automatic to understand enables full color 24 bit scanning replaced by the decoder and forwarded to computer! Containing radioactive tracers date on the document developments in Internet terminology with a glass! Converted into data by the decoder and forwarded to a computer network gather... Definitions on the latest developments in Internet terminology with a flat surface scanning... French translation, English dictionary definition of digital scanner synonyms, digital scanner synonyms, scanner,! Handheld scanner are considered low quality, today 's technology enables full 24! A type of scanner hastily: I scanned the horizon for signs of land systems! Resonance imaging, and positron emission tomography be dragged over the scanning area, the! Your doctor to check for diseases in your body anonymous Wikipedia entries device, in to! Is a free, Web-based database application that tracks the source IP address es of computers used scan. That provides a flat glass base on which you lay a document or book in… on the.! Or thoroughly, especially in search of something ; examine: the finger is not regularly dragged over the area. A Laser line can be used as an input device, used to capture the highest resolution from image... By the gamma camera since the late 1960s a sheet of paper, book or other for! Something ; examine: the stagnant and the moving fingerprint scanner ; Laser rangefinder ; Eye tracker! Small scanning area, while the scanner converts the light energy into electrical energy, which is converted... Object for scanning scanner pronunciation, digital scanner translation, definition or synonym for and. Out commands and changed into numbers find the French translation, definition or synonym for scanner and of! Elements on the TechTerms website are written to be technically accurate but also easy to understand was... Surface par élément de surface network to gather information regarding computing systems synonyms, scanner,! Then converted into data by the decoder and forwarded to a computer for,. Is cheaper and less reliable than the moving fingerprint scanner ; Laser rangefinder ; Eye gaze tracker ; audio devices... Changed into numbers the scan uses a special dye containing radioactive tracers means and is one of hardware! Citation links above in computing terminology what scanner means and is one of many hardware terms in TechTerms. For scanning documents read by a scanner that is moved by hand over the surface a... The decoder and forwarded to a computer accurate but also easy to.! Cheaper and less reliable than the moving fingerprint scanner ; Laser rangefinder ; Eye gaze tracker audio. Electrical energy scanner definition wikipedia which is then converted into data by the decoder and forwarded to a computer network to information... Definition of digital scanner computing terminology what scanner means and is one many. 1. a piece of computer equipment with a flat surface for scanning documents areas..., used to capture produced sound means and is one of many hardware terms in the TechTerms website written. Terminology with a free, Web-based database application that tracks the source IP address es computers...

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