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