Unit 16. Inventions

UNIT 16 : INVENTIONS
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Name : Do Phuong Linh
Class : 8A2
The use of the fax machine to transmit images via telephone lines did not become common in American businesses until the late 1980s, but the technology dates back to the nineteenth century. In 1843 in England, Alexander Bain (1818-1903) devised an apparatus comprised of two pens connected to two pendulums, which in turn were joined to a wire, that was able to reproduce writing on an electrically conductive surface.
Alexander Bain`s fax machine transmitter scanned a flat metal surface using a stylus mounted on a pendulum. The stylus picked up images from the metal surface. An amateur clock maker, Alexander Bain combined parts from clock mechanisms together with telegraph machines to invent his fax machine.
In fact, FAX machines are "evolved" from the telegraph by Samuel Morse invented a few years earlier (1836). Password created by Mr. Morse that the letters were encoded into the dot and cross, and then be transmitted via wired into the decoder in place of letters received signal.
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Alexander Bain
Samuel Morse
Bài 2: Sơ lược về mỹ thuật thời lê
II. Sơ lược mỹ thuật thời Lê.
1.Nghệ thuật kiến trúc
Kiến trúc cung đình:
Xây dựng nhiều cung điện lớn ở Thăng Long như: điện Cần Chánh; Kính Thiên; Vạn Thọ,.
Xây dựng khu Lam Kinh tại Thọ Xuân(Thanh Hoá)
Tuy các công trình này ngày nay không còn,song những dấu tích cho ta thấy các công trình này có quy mô to lớn.
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Encoding Morse telegraph
Operating principle of the pendulum clock Bain
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In 1850, a London inventor named F. C. Blakewell received a patent what he called a "copying telegraph".
In 1860, a fax machine called the Pantelegraph sent the first fax between Paris and Lyon. The Pantelegraph was invented Giovanni Caselli
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Fax machine in 1850
Chùa Keo(T.Bình)
Giovanni Caselli
Telegraph drawing talent Caselli
Unit 16 : INVENTIONS
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In 1895, Ernest Hummel a watchmaker from St. Paul, Minnesota invented his competing device called the Telediagraph.
In 1902, Arthur Korn (1870-1945) in Germany invented telephotography, a means for manually breaking down and transmitting still photographs by means of electrical wires. In 1907, Korn sent the first inter-city fax when he transmitted a photograph from Munich to Berlin.
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Arthur Korn
Telediagraph fax machine
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In 1914, Edouard Belin established the concept of the remote fax for photo and news reporting.
In 1924, the telephotography machine (a type of fax machine) was used to send political convention photos long distance for newspaper publication. It was developed by the American Telephone & Telegraph Company (AT&T) worked to improve telephone fax technology.
Eduard Belin
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The invention of Belin

By 1926, RCA invented the Radiophoto that faxed by using radio broadcasting technology. In 1934, the Associated Press introduced the first system for routinely transmitting "wire photos," and 30 years later, in 1964, the Xerox Corporation introduced Long Distance Xerography (LDX). In 1947, Alexander Muirhead invented a very successful fax machine. On March 4, 1955, the first radio fax transmission was sent across the continent.
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Alexander Muirhead
In 1964, the Xerox Corporation introduced Long Distance Xerography (LDX).
For many years, facsimile machines remained cumbersome, expensive and difficult to operate, but in 1966 Xerox introduced the Magnafax Telecopier, a smaller, 46-pound facsimile machine that was easier to use and could be connected to any telephone line. Using this machine, a letter-sized document took about six minutes to transmit. The process was slow, but it represented a major technological step. In the late 1970s, Japanese companies entered the market, and soon a new generation of faster, smaller and more efficient fax machines became available
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MODERN FAX MACHINES
Đấu vật
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UNIT 16 : INVENTIONS
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