电脑桌面
添加小米粒文库到电脑桌面
安装后可以在桌面快捷访问

Television Development

Television Development_第1页
1/1
Television Development - 100 Years at a glance1880s to 1899Period of Dreams, Concepts and Initial Discoveries1900The word "Television" is first used1922 to 1927Early Experiments with a MECHANICAL scanning disc system. TV Picture is neon orange and very small.1928 to 1934First Mechanical TV Sets sold to public -- At the peak, 42 US stations were in operation using the Jenkins system. However, picture quality is lacking. Not suitable for commercial use. Electronic TV offers greater promise.1926 to 1935Early Experiments with All-Electronic Cathode Ray Television (the basic system we have today)1935 to 1941Electronic (Experimental) TV begins broadcasting in Germany, England, Italy, France, USA, Holland, etc.Early 1940sWork begins on CBS Mechanical Color TelevisionJuly 1, 1941 Electronic (Commercial) Black & White Television begins broadcasting in United States1942 to 1945 World War-II halts all TV sales and most all public broadcasting.Late 1946First American Post War TV set is RCA 630-TS (Less than 7,000 TV sets in USA, pre WW-II)June 25, 1951First Mechanical Color Television Set Placed on Market (CBS-Columbia) at $499.95.Oct 20, 1951Mechanical CBS Color TV Broadcasting ends foreverMay 1954First All-Electronic Color Television Set is RCA CT-100, selling at $1,0001987Japanese demonstrate ANALOG high-definition TV system (called MUSE)1990 General Instrument's Video Cipher division announces DIGITAL Hi-Definition System 1995 Congress Passes the Telecommunications Act of 1995, replacing the old 1934 lawsLate 1990s Internet, World-Wide-Web explodes onto the scene -- ushering in new global communications for the 21st century!

1、当您付费下载文档后,您只拥有了使用权限,并不意味着购买了版权,文档只能用于自身使用,不得用于其他商业用途(如 [转卖]进行直接盈利或[编辑后售卖]进行间接盈利)。
2、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。
3、如文档内容存在违规,或者侵犯商业秘密、侵犯著作权等,请点击“违规举报”。

碎片内容

Television Development

您可能关注的文档

确认删除?
VIP
微信客服
  • 扫码咨询
会员Q群
  • 会员专属群点击这里加入QQ群
客服邮箱
回到顶部