|
Wire Photo
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 across the Atlantic in 1921. Wester ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Analogue Electronics
Analogue electronics () are electronic systems with a continuously variable signal, in contrast to digital electronics where signals usually take only two levels. The term ''analogue'' describes the proportional relationship between a signal and a voltage or current that represents the signal. The word ''analogue'' is derived from the Greek word meaning ''proportional''. Analogue signals An analogue signal uses some attribute of the medium to convey the signal's information. For example, an aneroid barometer uses the angular position of a needle on top of a contracting and expanding box as the signal to convey the information of changes in atmospheric pressure. Electrical signals may represent information by changing their voltage, current, frequency, or total charge. Information is converted from some other physical form (such as sound, light, temperature, pressure, position) to an electrical signal by a transducer which converts one type of energy into another (e.g. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
New York Herald
The ''New York Herald'' was a large-distribution newspaper based in New York City that existed between 1835 and 1924. At that point it was acquired by its smaller rival the '' New-York Tribune'' to form the '' New York Herald Tribune''. History The first issue of the paper was published by James Gordon Bennett Sr., on May 6, 1835. The ''Herald'' distinguished itself from the partisan papers of the day by the policy that it published in its first issue: "We shall support no party—be the agent of no faction or coterie, and we care nothing for any election, or any candidate from president down to constable," although it was typically considered sympathetic to the Jacksonian Democratic Party and later, President John Tyler. Bennett pioneered the "extra" edition during the ''Heralds sensational coverage of the Robinson–Jewett murder case. By 1845 it was the most popular and profitable daily newspaper in the United States. In 1861 it circulated 84,000 copies and called i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Noel Sickles Crash Of The USS Macon
Noel or Noël may refer to: Christmas * , French for Christmas * Noel is another name for a Christmas carol Places * Noel, Missouri, United States, a city *Noel, Nova Scotia, Canada, a community *Noel Park, a suburb in Greater London, England * 1563 Noël, an asteroid * Mount Noel, British Columbia, Canada People *Noel (given name) * Noel (surname) Arts, entertainment, and media Music *Noel, another term for a pastorale of a Christmas nature * ''Noël'' (Joan Baez album), 1966 * ''Noël'' (Josh Groban album), 2007 * ''Noel'' (Noel Pagan album), 1988 * ''Noël'' (The Priests album), 2010 * ''Noel'' (Phil Vassar album), 2011 * ''Noel'' (Josh Wilson album), 2012 *''Noel'', 2015 Christmas album by Detail *"The First Noel", a traditional English Christmas carol *"Noel", a 2007 song by All Time Low from ''The Party Scene'' *Noël (singer) (active late 1970s), American disco singer *Noel (band), a South Korean group *Noel Pagan, American freestyle singer who recorded unde ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Adirondack Mountains
The Adirondack Mountains ( ) are a massif of mountains in Northeastern New York which form a circular dome approximately wide and covering about . The region contains more than 100 peaks, including Mount Marcy, which is the highest point in New York at . The Adirondack High Peaks, a traditional list of 46 peaks over , are popular hiking destinations. There are over 200 named lakes with the number of smaller lakes, ponds, and other bodies of water reaching over 3,000. Among the named lakes around the mountains are Lake George, Lake Placid, and Lake Tear of the Clouds. The region has over of river. Although the mountains are formed from ancient rocks more than 1 billion years old, geologically, the mountains are relatively young and were created during recent periods of glaciation. Because of this, the Adirondacks have been referred to as "new mountains from old rocks." It is theorized that there is a hotspot beneath the region, which causes continued uplift at the rate of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Trademark
A trademark (also written trade mark or trade-mark) is a form of intellectual property that consists of a word, phrase, symbol, design, or a combination that identifies a Good (economics and accounting), product or Service (economics), service from a particular source and distinguishes it from others. Trademarks can also extend to non-traditional marks like drawings, symbols, 3D shapes like product designs or packaging, sounds, scents, or specific colours used to create a unique identity. For example, Pepsi® is a registered trademark associated with soft drinks, and the distinctive shape of the Coca-Cola® bottle is a registered trademark protecting Coca-Cola's packaging design. The primary function of a trademark is to identify the source of goods or services and prevent consumers from confusing them with those from other sources. Legal protection for trademarks is typically secured through registration with governmental agencies, such as the United States Patent and Trademark ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Popular Science
Popular science (also called pop-science or popsci) is an interpretation of science intended for a general audience. While science journalism focuses on recent scientific developments, popular science is more broad ranging. It may be written by professional science journalists or by scientists themselves. It is presented in many forms, including books, film and television documentaries, magazine articles, and web pages. History Before the modern specialization and professionalization of science, there was often little distinction between "science" and "popular science", and works intended to share scientific knowledge with a general reader existed as far back as Greek and Roman antiquity. Without these popular works, much of the scientific knowledge of the era might have been lost. For example, none of the original works of the Greek astronomer Eudoxus (4th century BC) have survived, but his contributions were largely preserved due to the didactic poem '' Phenomena'' writte ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vladimir Zworykin
Vladimir Kosma Zworykin (1888/1889July 29, 1982) was a Russian-American inventor, engineer, and pioneer of television technology. Zworykin invented a television transmitting and receiving system employing cathode-ray tubes. He played a role in the practical development of television from the early thirties, including charge storage-type tubes, infrared image tubes and the electron microscope. Early life and education Vladimir Zworykin was born in Murom, Russia, in 1888 or 1889, to the family of a prosperous merchant, merchants. He had a relatively calm upbringing, and he rarely saw his father except on religious holidays. He studied at the St. Petersburg Institute of Technology, under Boris Rosing. He helped Rosing with experimental work on television in the basement of Rosing's private lab at the School of Artillery of Saint Petersburg. They worked on the problem of "electrical telescopy," something Zworykin had never heard of before. At this time, electrical telescopy (or te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Science And Invention April 1926 - How Photos Are Cabled Across Atlantic
Science is a systematic discipline that builds and organises knowledge in the form of testable hypotheses and predictions about the universe. Modern science is typically divided into twoor threemajor branches: the natural sciences, which study the physical world, and the social sciences, which study individuals and societies. While referred to as the formal sciences, the study of logic, mathematics, and theoretical computer science are typically regarded as separate because they rely on deductive reasoning instead of the scientific method as their main methodology. Meanwhile, applied sciences are disciplines that use scientific knowledge for practical purposes, such as engineering and medicine. The history of science spans the majority of the historical record, with the earliest identifiable predecessors to modern science dating to the Bronze Age in Egypt and Mesopotamia (). Their contributions to mathematics, astronomy, and medicine entered and shaped the Greek natural philo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Transatlantic Telegraph Cable
Transatlantic telegraph cables were undersea cables running under the Atlantic Ocean for telegraph communications. Telegraphy is a largely obsolete form of communication, and the cables have long since been decommissioned, but telephone and data are still carried on other transatlantic telecommunications cables. The Atlantic Telegraph Company led by Cyrus West Field constructed the first transatlantic telegraph cable. The project began in 1854 with the first cable laid from Valentia Island off the west coast of Ireland to Bay of Bulls, Trinity Bay, Newfoundland. The first communications occurred on August 16, 1858, but the line speed was poor. The first official telegram to pass between two continents that day was a letter of congratulations from Queen Victoria of the United Kingdom to President of the United States James Buchanan. Signal quality declined rapidly, slowing transmission to an almost unusable speed. The cable was destroyed after three weeks when Wildman ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bartlane System
The Bartlane system was a wirephoto technique invented in 1920 to transmit digitized newspaper images over submarine cable lines between London and New York. Named after its inventors Harry G. Bartholomew and Maynard D. McFarlane, it was the first digital imaging system ever invented. It was first used to transmit a picture across the Atlantic in 1921. Using the Bartlane system, images could be transmitted across the Atlantic in less than three hours. The images were initially coded with 5 gray levels, but this number was increased to 15 in 1929. At the transmitter, the pattern on the telegraph tapes were made using special printing devices and decoded into the image at the receiver using telegraph printers equipped with appropriate typeface A typeface (or font family) is a design of Letter (alphabet), letters, Numerical digit, numbers and other symbols, to be used in printing or for electronic display. Most typefaces include variations in size (e.g., 24 point), weight (e.g., ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Photocell
Photodetectors, also called photosensors, are devices that detect light or other forms of electromagnetic radiation and convert it into an electrical signal. They are essential in a wide range of applications, from digital imaging and optical communication to scientific research and industrial automation. Photodetectors can be classified by their mechanism of detection, such as the photoelectric effect, photochemical reactions, or thermal effects, or by performance metrics like spectral response. Common types include photodiode, photodiodes, phototransistor, phototransistors, and photomultiplier tube, photomultiplier tubes, each suited to specific uses. Solar cell, Solar cells, which convert light into electricity, are also a type of photodetector. This article explores the principles behind photodetectors, their various types, applications, and recent advancements in the field. History The development of photodetectors began with the discovery of the photoelectric effect by H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
