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Philo Taylor Farnsworth (August 19, 1906 – March 11, 1971) was an American inventor and television pioneer. [2][3] He made the critical contributions to electronic television that made possible all the video in the world today. [4] He is best known for his 1927 invention of the first fully functional all-electronic image pickup device (video ...
Television. Television (TV) is a telecommunication medium for transmitting moving images and sound. Additionally, the term can refer to a physical television set rather than the medium of transmission. Television is a mass medium for advertising, entertainment, news, and sports.
Broadcasting. Broadcasting is the distribution of audio or video content to a dispersed audience via any electronic mass communications medium, but typically one using the electromagnetic spectrum (radio waves), in a one-to-many model. [1] Broadcasting began with AM radio, which came into popular use around 1920 with the spread of vacuum tube ...
Social aspects of television. The medium of television has had many influences on society since its inception. The belief that this impact has been dramatic has been largely unchallenged in media theory since its inception. However, there is much dispute as to what those effects are, how serious the ramifications are and if these effects are ...
History of television. Family watching TV, 1958. The concept of television is the work of many individuals in the late 19th and early 20th centuries. The first practical transmissions of moving images over a radio system used mechanical rotating perforated disks to scan a scene into a time-varying signal that could be reconstructed at a ...
Later a fifth standard was added with the French 625-line standard. ^ Rollout for NHK started in 1953 in Kanto, 1954 in Tokai and Kansai and between 1956 and 1958 for the rest of Japan. For commercial TV, limited to Kanto from 1953 to 1955 (NTV and KRT) and spread between 1956 and 1963 to the rest of the country.
In the United States, television is available via broadcast (also known as "over-the-air" or OTA) – the earliest method of receiving television programming, which merely requires an antenna and an equipped internal or external tuner capable of picking up channels that transmit on the two principal broadcast bands, very high frequency (VHF) and ultra high frequency (UHF), to receive the ...
The television industry in India is very diverse and produces thousands of programmes in many Indian languages. Nearly 87% Indian households own a television. As of 2016, the country had over 900 channels of which 184 were pay channels. National channels operate in Hindi and English, in addition to channels in several other languages including ...