​电视的由来英语作文初一,关于电视发明的英文短文三年级

电视的由来英语作文初一,关于电视发明的英文短文三年级

本文目录

1.关于电视发明的英文短文三年级 2.电视的由来英语作文 3.几篇关于电视机发明的英语作文带翻译 4.关于电视的英语作文,初一水平

关于电视发明的英文短文三年级

who invent television?

Paul Nipkow a German inventor who developed an electromechanical television system in 1884.

Boris Rosing, who had developed a television system in Russia 1907, utilizing a mechanical disc for its camera and cathode-ray tube for its receiver.

T Farnsworth who as an American 15 year old boy in 1922 described the workings of an electronic TV system, and went on to transmit a TV image in 1927 using his system.

Charles F. Jenkins an American who in 1923 developed a working Nipkow disk system.

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Vladimir Zworykin who on leaving Russia to work in the United States, was granted a patent in 1923 for his development of a television system that undoubtedly paved the way for all future electronic television systems.

John Logie Baird in Great Britain 1925-26 with his Nipkow disk system, transmitting a dummies head and moving images.

Kenjito Takayanagi of Tokyo Japan who in 1926 used a cathode-ray tube to display transmitted images of Japanese writing.

E. F. W. Alexanderson who in 1928 demonstrated the first home television receiver in Schenectady, New York using a 3" screen.

电视的由来英语作文

In 1925, the British John lodge. Baird, Krakow, Neptune, according to a German engineer design of Krakow, Neptune, the "disc" has carried on the new research, invented the world's first TV set, and a mechanical scanning of the TV cameras

Click to view image

TV inventor baird

The receiver. Screen resolution was only 30 lines, the scanner can only 5 per second sweep scanning area. The picture itself only 2 inches tall and an inch wide. A big shop in London made a performance to the public.

几篇关于电视机发明的英语作文带翻译

要多少字?

关于电视的英语作文,初一水平

now more and more people own televisions，which present a very vivid world to us. on television，we can watch exciting matches，see most of the places of interests without going there ourselves.

from tv，we learn many things happening in the world. television also plays an educational role in our daily life. children enjoy learning much interesting knowledge from tv. by providing various tv university courses，television offers various educational programs for different viewers.

however，television can also be harmful. it hurts our eyes. watching tv too much influences our sleep and work.

now many students spend too much time on tv，which reduces their study time and does great harm to their health. in short，we should regard television as our assistant，not our master.

翻译

现在越来越多的人拥有电视机，这给我们呈现了一个非常生动的世界。在电视上，我们可以观看激动人心的比赛，不用亲自去就可以看到大部分的名胜。从电视上，我们了解到世界上发生的许多事情。电视在我们的日常生活中也起着教育作用。

孩子们喜欢从电视上学习许多有趣的知识。通过提供各种电视大学课程，电视为不同的观众提供各种教育节目。然而，电视也可能是有害的。它伤害我们的眼睛。

看电视太多会影响我们的睡眠和工作。现在许多学生花太多时间看电视，这减少了他们的学习时间，对他们的健康造成了极大的危害。简言之，我们应该把电视视为我们的助手，而不是主人。

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