Édouard Belin
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Édouard Belin
Édouard Belin (5 March 1876 – 4 March 1963) was a French photographer and inventor. In 1907 Belin invented a phototelegraphic apparatus called the Bélinographe (télestéréographe)—a system for receiving photographs over telephone wires via telegraphic networks. Belin's invention had been used for journalistic photos since 1914, and the process was improved by 1921 to enable transmission of images by radio waves. From 1926, Belin worked on a television apparatus. In 1926, with Holweg, he tested the capacity for the eye to perceive pictures proposed at a very high speed, using a mirror drum. Belin was born in Vesoul, Haute-Saône, France, and died, aged 86, in Territet, Canton of Vaud, Switzerland. Bélinographe In this apparatus, the transmitter traverses the original image point by point. At each point a measurement of light intensity is made with an electric eye. The measurement is conveyed to the receiver. There, a variable intensity light source reprodu ...
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Édouard Belin Anefo
Édouard is both a French given name and a surname, equivalent to Edward in English. Notable people with the name include: * Édouard Balladur (born 1929), French politician * Édouard Boubat (1923–1999), French photographer * Édouard Colonne (1838–1910), French conductor * Édouard Daladier (1884–1970), French prime minister at the start of World War II * Edouard Drumont (1844–1917), French anti-semitic journalist * Édouard Dujardin (1861–1949), French writer * Édouard François (born 1957), French architect * Édouard Gagnon (1918–2007), French Canadian cardinal * Édouard Herriot (1872–1957), French prime minister, three times, and mayor of Lyon from 1905 to 1957 * Edouard F. Henriques, Make-up artist * Édouard von Jaunez (1834–1916), German-French politician and industrialist * Édouard Lalo (1823–1892), French composer * Édouard Lockroy (1838–1913), French politician * Édouard Louis (born 1992), French writer * Édouard Lucas (1842–1891), Frenc ...
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People From Vesoul
The term "the people" refers to the public or common mass of people of a polity. As such it is a concept of human rights law, international law as well as constitutional law, particularly used for claims of popular sovereignty. In contrast, a people is any plurality of persons considered as a whole. Used in politics and law, the term "a people" refers to the collective or community of an ethnic group or nation. Concepts Legal Chapter One, Article One of the Charter of the United Nations states that "peoples" have the right to self-determination. Though the mere status as peoples and the right to self-determination, as for example in the case of Indigenous peoples (''peoples'', as in all groups of indigenous people, not merely all indigenous persons as in ''indigenous people''), does not automatically provide for independent sovereignty and therefore secession. Indeed, judge Ivor Jennings identified the inherent problems in the right of "peoples" to self-determination, as i ...
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1963 Deaths
Events January * January 1 – Bogle–Chandler case: Commonwealth Scientific and Industrial Research Organisation scientist Dr. Gilbert Bogle and Mrs. Margaret Chandler are found dead (presumed poisoned), in bushland near the Lane Cove River, Sydney, Australia. * January 2 – Vietnam War – Battle of Ap Bac: The Viet Cong win their first major victory. * January 9 – A January 1963 lunar eclipse, total penumbral lunar eclipse is visible in the Americas, Europe, Africa and Asia, and is the 56th lunar eclipse of Lunar Saros 114. Gamma has a value of −1.01282. It occurs on the night between Wednesday, January 9 and Thursday, January 10, 1963. * January 13 – 1963 Togolese coup d'état: A military coup in Togo results in the installation of coup leader Emmanuel Bodjollé as president. * January 17 – A last quarter moon occurs between the January 1963 lunar eclipse, penumbral lunar eclipse and the Solar eclipse of January 25, 1963, annular solar ...
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1876 Births
Events January * January 1 ** The Reichsbank opens in Berlin. ** The Bass Brewery Red Triangle becomes the world's first registered trademark symbol. *January 27 – The Northampton Bank robbery occurs in Massachusetts. February * February 2 ** The National League of Professional Base Ball Clubs is formed at a meeting in Chicago; it replaces the National Association of Professional Base Ball Players. Morgan Bulkeley of the Hartford Dark Blues is selected as the league's first president. ** Third Carlist War (Spain): Battle of Montejurra – The new commander General Fernando Primo de Rivera marches on the remaining Carlist stronghold at Estella, where he meets a force of about 1,600 men under General Carlos Calderón, at nearby Montejurra. After a courageous and costly defence, Calderón is forced to withdraw. * February 14 – Alexander Graham Bell applies for a U.S. patent for the telephone, as does Elisha Gray. * February 19 – Third Carlist War ...
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Wirephoto
Wirephoto, telephotography or radiophoto is the sending of photographs by telegraph, telephone or radio. History Technologically and commercially, the wirephoto was the successor to Ernest A. Hummel's ''Telediagraph'' of 1895, which had transmitted electrically scanned shellac-on-foil originals over a dedicated circuit connecting the ''New York Herald'' and the ''Chicago Times Herald'', the ''St. Louis Republic'', the ''Boston Herald'', and the ''Philadelphia Inquirer''. Édouard Belin's Bélinographe of 1913, which scanned using a photocell and transmitted over ordinary phone lines, formed the basis for the Wirephoto service. In Europe, services similar to a wirephoto were called a Belino. The Bartlane system, invented by Harry G. Bartholomew and Maynard D. McFarlane, was a technique invented in 1920 to transmit digitized newspaper images over submarine cable lines between London and New York. and was first used to transmit a picture Transatlantic telegraph cable, across th ...
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Telerecording
Kinescope , shortened to kine , also known as telerecording in Britain, is a recording of a television program on motion picture film directly through a lens focused on the screen of a video monitor. The process was pioneered during the 1940s for the preservation, re-broadcasting, and sale of television programs before the introduction of quadruplex videotape, which from 1956 eventually superseded the use of kinescopes for all of these purposes. Kinescopes were the only practical way to preserve live television broadcasts prior to videotape. Typically, the term can refer to the process itself, the equipment used for the procedure (a movie camera mounted in front of a video monitor, and synchronized to the monitor's scanning rate), or a film made using the process. Film recorders are similar, but record source material from a computer system instead of a television broadcast. A telecine is the inverse device, used to show film directly on television. The term originally refe ...
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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. The most common type of scanner used in the home and the office is the flatbed scanner, where the document is placed on a glass bed. A sheetfed scanner, which moves the page across an image sensor using a series of rollers, may be used to scan one page of a document at a time or multiple pages, as in an automatic document feeder. A handheld scanner is a portable version of an image scanner that can be used on any flat surface. Scans are typically downloaded to the computer that the scanner is connected to, although some scanners are able to store scans on standalone Flash memory, flash media (e.g., memory cards and USB flash drive, USB drives). 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 ...
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Gamma Correction
Gamma correction or gamma is a Nonlinearity, nonlinear operation used to encode and decode Relative luminance, luminance or CIE 1931 color space#Tristimulus values, tristimulus values in video or still image systems. Gamma correction is, in the simplest cases, defined by the following Power law, power-law expression: : V_\text = A V_\text^\gamma, where the non-negative real input value V_\text is raised to the power \gamma and multiplied by the constant ''A'' to get the output value V_\text. In the common case of , inputs and outputs are typically in the range 0–1. A gamma value \gamma 1 is called a ''decoding gamma'', and the application of the expansive power-law nonlinearity is called gamma expansion. Explanation Gamma encoding of images is used to optimize the usage of bits when encoding an image, or bandwidth used to transport an image, by taking advantage of the non-linear manner in which humans perceive light and color. The human perception of brightness (lightness), un ...
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Display Resolution
The display resolution or display modes of a digital television, computer monitor, or other display device is the number of distinct pixels in each dimension that can be displayed. It can be an ambiguous term especially as the displayed resolution is controlled by different factors in cathode-ray tube (CRT) displays, flat-panel displays (including liquid-crystal displays) and projection displays using fixed picture-element (pixel) arrays. It is usually quoted as ', with the units in pixels: for example, ' means the width is 1024 pixels and the height is 768 pixels. This example would normally be spoken as "ten twenty-four by seven sixty-eight" or "ten twenty-four by seven six eight". One use of the term ''display resolution'' applies to fixed-pixel-array displays such as plasma display panels (PDP), liquid-crystal displays (LCD), Digital Light Processing (DLP) projectors, AMOLED, OLED displays, and similar technologies, and is simply the physical number of columns and rows of pi ...
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Photocopiers
A photocopier (also called copier or copy machine, and formerly Xerox machine, the generic trademark) is a machine that makes copies of documents and other visual images onto paper or plastic film quickly and cheaply. Most modern photocopiers use a technology called '' xerography'', a dry process that uses electrostatic charges on a light-sensitive photoreceptor to first attract and then transfer toner particles (a powder) onto paper in the form of an image. The toner is then fused onto the paper using heat, pressure, or a combination of both. Copiers can also use other technologies, such as inkjet, but xerography is standard for office copying. Commercial xerographic office photocopying gradually replaced copies made by verifax, photostat, carbon paper, mimeograph machines, and other duplicating machines. Photocopying is widely used in the business, education, and government sectors. While there have been predictions that photocopiers will eventually become obsole ...
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