drum scanner - definição. O que é drum scanner. Significado, conceito
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O que (quem) é drum scanner - definição

DEVICE THAT OPTICALLY SCANS IMAGES, PRINTED TEXT, HANDWRITING, OR AN OBJECT, AND CONVERTS IT TO A DIGITAL IMAGE
Flatbed scanner; Flat bed scanner; Image scanning; Drum scanner; Handheld scanner; Optical scanner; HP pstc3100; Photo scanner; Photo scanning; Scan technology; Image Scanners; Scanned images; Scanned image; Desktop scanner; Flatbed image scanner; Pen scanner; Document scanner; Flat scanner; Smartphone scanner apps
  • Copyright Law]] to scan a book by a third party who is not a copyright holder or a book owner. Therefore, in South Korea, book owners visit 'Scan Room' to scan books by themselves.
  • Belinograph]] BEP2V wirephoto machine by Edouard Bélin, 1930
  • DSLR camera and slide scanner
  • Document scanner
  • A hand scanner with its interface module.
  • A flatbed scanner. Documents or images are placed face-down beneath the cover (shown closed here).
  • Example of the Imaging Keyboard-Scanner
  • archive-date=July 28, 2016}}</ref>
  • Scanner unit with CIS. A: assembled, B: disassembled; 1: housing, 2: light conductor, 3: lenses, 4: chip with two RGB-LEDs, 5: CIS
  • '''Pantelegraph'''}}
  • Detroit News]]'' in the early 1990s.
  • sceyeX document camera.
  • Caselli's pantelegraph mechanism

Image scanner         
An image scanner—often abbreviated to just scanner—is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner where the document is placed on a glass window for scanning.
Planetary scanner         
TYPE OF IMAGE SCANNER FOR MAKING SCANS OF RARE BOOKS AND OTHER EASILY DAMAGED DOCUMENTS
Orbital scanner
A planetary scanner (also called an orbital scanner) is a type of image scanner for making scans of rare books and other easily damaged documents. In essence, such a scanner is a mounted camera taking photos of a well-lit environment.
Sámi drum         
  • goddesses]] ''Sáráhkká'', ''Juoksáhkká'' and ''Uksáhkká'' (3-5).
  • Frame drum (''freavnantjahke gievrie'') with cords
  • hand falder i En Dvalle lige som død og bliver svart og blaa i ansigtet, og mens hand saa liger som død, da kand hand forrette saadant, og mange som er nær død, og siunis som død for menniskens øyen, de kand blive straxt frisk igjen paa samme timme, og naar hand liger i saadan besvimmelse eller Dvalle, da kand han fare vide om kring og forretter meget og kand fortælle mangfoldigt og undelige ting, naar hand opvogner, som hand haver seet og giort, og kand fare vide om landene og i mange steder og føre tidende derfra og føre vise tegen og mercke med sig der fra naar hand er beden der om, og da farer hand og saa i strid i mod sine modstandere og kampis som i En anden verden, indtil at den Ene har lagt livet igien, og er over vunden}}".<ref>[http://www.love.is/roald/iolsen.html Utdrag fra ''Relation om lappernes vildfarelser og overtro''] (1715) på Roald E. Kristiansens nettside ''Samisk Religion''.</ref>
  • Schefferus]]' ''Lapponia'' (1673) is an early source for Sámi culture and religion
  • [[Mari Boine]] with a modern drum. Drums are now used both as musical instruments and as symbols of Sámi identity.
  • A regional typology of drum patterns, with some variations used by [[K.B. Wiklund]] (1930), [[Ernst Manker]]<ref name="M38"/> and Kjellström & Rydving.<ref name="RKHR"/>
  • Lule Sámi bowl drum
  • Sami drum in the [[British Museum]], London
  • Small 18th Century Sami Drum in the [[Cambridge University Museum of Archaeology and Anthropology]]<ref>[https://collections.maa.cam.ac.uk/objects/457579 CMAA Collection]</ref>
  • This drum belonged to Morten Olofsson, a Sámi of Åsele, until it was confiscated on New Year's Day 1725 by Petrus Asp, bishop of Härnosand.<ref name="SAMERSE"/><ref name="ÅVK07">Kroik 2007</ref> On this day, 26 drums were confiscated. These drums were all of the same main type of Southern Sámi drum,<ref name="M38"/> known as the Åsele type. Twenty of these now belong to [[Nordiska museet]], and they form a large part of the total number of preserved drums.
  • game birds]]; thus representing a drum owner who was more of a hunter than a reindeer herder.
  • Lule Sámi]] areas. Mentioned by Schefferus in 1673; now at Nordiska museet.
SHAMANIC CEREMONIAL DRUM IN THE CULTURE OF THE SÁMI PEOPLE OF NORTHERN EUROPE
Magic drum; Rune drum; Goavddis; Sami drum; Kannus (drum)
A Sámi drum is a shamanic ceremonial drum used by the Sámi people of Northern Europe. Sámi ceremonial drums have two chiefly two variations, both oval-shaped: a bowl drum in which the drumhead is strapped over a burl, and a frame drum in which the drumhead stretches over a thin ring of bentwood.

Wikipédia

Image scanner

An image scanner—often abbreviated to just scanner—is a device that optically scans images, printed text, handwriting or an object and converts it to a digital image. Commonly used in offices are variations of the desktop flatbed scanner where the document is placed on a glass window for scanning. Hand-held scanners, where the device is moved by hand, have evolved from text scanning "wands" to 3D scanners used for industrial design, reverse engineering, test and measurement, orthotics, gaming and other applications. Mechanically driven scanners that move the document are typically used for large-format documents, where a flatbed design would be impractical.

Modern scanners typically use a charge-coupled device (CCD) or a contact image sensor (CIS) as the image sensor, whereas drum scanners, developed earlier and still used for the highest possible image quality, use a photomultiplier tube (PMT) as the image sensor. A rotary scanner, used for high-speed document scanning, is a type of drum scanner that uses a CCD array instead of a photomultiplier. Non-contact planetary scanners essentially photograph delicate books and documents. All these scanners produce two-dimensional images of subjects that are usually flat, but sometimes solid; 3D scanners produce information on the three-dimensional structure of solid objects.

Digital cameras can be used for the same purposes as dedicated scanners. When compared to a true scanner, a camera image is subject to a degree of distortion, reflections, shadows, low contrast, and blur due to camera shake (reduced in cameras with image stabilization). Resolution is sufficient for less demanding applications. Digital cameras offer advantages of speed, portability and non-contact digitizing of thick documents without damaging the book spine. In 2010 scanning technologies were combining 3D scanners with digital cameras to create full-color, photo-realistic 3D models of objects.

Scans are usually downloaded by a computer the unit is attached to. Some scanners are able to store scans on standalone flash media (e.g. memory cards and USB sticks).

In the biomedical research area, detection devices for DNA microarrays are called scanners as well. These scanners are high-resolution systems (up to 1 µm/ pixel), similar to microscopes. The detection is done via CCD or a photomultiplier tubes.