Television is a telecommunication medium that transmits moving images and sound, and also refers to the physical television set itself. A mass medium, television is used for advertising, entertainment, news, and sports. It differs from radio by transmitting visual and audio signals, not just audio.
In August 1900, the Russian scientist Constantin Perskyi used the term 'television' in a paper that he presented in French at the first International Congress of Electricity, which ran from 18 to 25 August 1900 during the International World Fair in Paris.
On 24 August 1900, Constantin Perskyi coined the word television in a paper read to the International Electricity Congress at the International World Fair in Paris. Perskyi's paper reviewed the existing electromechanical technologies, mentioning the work of Nipkow and others.
In 1904, 'televista' was proposed as a name for a technology for sending pictures over distance.
In 1906, Max Dieckmann and Gustav Glage in Germany achieved a milestone by producing raster images for the first time using a cathode-ray tube (CRT).
In 1907, Hovannes Adamian experimented with color television.
In 1907, Russian scientist Boris Rosing successfully used a CRT on the receiving end of an experimental video signal. He was able to display simple geometric shapes onto the screen.
In 1907, developments in amplification tube technology by Lee de Forest and Arthur Korn, among others, made television design practical.
In 1907, the anglicized version of the term television appeared and was still described as "...a theoretical system to transmit moving images over telegraph or telephone wires".
On March 31, 1908, Hovannes Adamian patented a color television project in Germany, patent No. 197183.
On April 1, 1908, Hovannes Adamian patented a color television project in Britain, patent No. 7219.
In 1908, Alan Archibald Campbell-Swinton described how "distant electric vision" could be achieved using a cathode-ray tube as both a transmitting and receiving device in a letter published in Nature.
In 1909, Georges Rignoux and A. Fournier gave the first demonstration of the live transmission of images in Paris, using a matrix of 64 selenium cells as an electronic retina.
In 1910, Hovannes Adamian patented a color television project in Russia, patent No. 17912.
In 1911, Alan Archibald Campbell-Swinton expanded on his vision of using a cathode-ray tube as both a transmitting and receiving device in a speech given in London.
In 1911, Boris Rosing and his student Vladimir Zworykin created a system that used a mechanical mirror-drum scanner to transmit crude images over wires to the "Braun tube" (cathode-ray tube or "CRT") in the receiver.
In 1913, Charles Francis Jenkins published an article on "Motion Pictures by Wireless".
Before March 1914, Alan Archibald Campbell-Swinton, G. M. Minchin and J. C. M. Stanton conducted experiments attempting to generate an electrical signal by projecting an image onto a selenium-coated metal plate scanned by a cathode ray beam.
In 1921, Édouard Belin sent the first image via radio waves with his belinograph.
On 13 March 1922, Charles Francis Jenkins filed U.S. Patent No. 1,544,156 (Transmitting Pictures over Wireless).
In 1922, John B. Johnson and Harry Weiner Weinhart of Western Electric developed the first cathode-ray tube to use a hot cathode, which became a commercial product.
In December 1923, US inventor Charles Francis Jenkins transmitted moving silhouette images for witnesses.
In 1923, while working for Westinghouse Electric, Vladimir Zworykin began developing an electronic camera tube.
Beginning in 1924, Kálmán Tihanyi started developing charge-storage technology to solve the problem of low light sensitivity in transmitting or "camera" tubes. His solution was a camera tube that accumulated and stored electrical charges throughout each scanning cycle.
On 25 March 1925, Scottish inventor John Logie Baird gave the first public demonstration of televised silhouette images in motion at Selfridges's department store in London. He televised a ventriloquist's dummy named "Stooky Bill".
On 13 June 1925, Charles Francis Jenkins publicly demonstrated synchronized transmission of silhouette pictures. Also in 1925, Jenkins transmitted the silhouette image of a toy windmill in motion.
In 1925, Dieckmann and Hell submitted a patent application for their Lichtelektrische Bildzerlegerröhre für Fernseher (Photoelectric Image Dissector Tube for Television) in Germany.
In 1925, Leon Theremin had been developing a mirror drum-based television, starting with 16 lines resolution.
In 1925, Vladimir Zworykin demonstrated his electronic camera tube, but the image was dim, with low contrast and poor definition.
On 26 January 1926, John Logie Baird demonstrated the transmission of an image of a face in motion by radio before members of the Royal Institution. This is widely regarded as the world's first true public television demonstration.
In March 1926, Hungarian engineer Kálmán Tihanyi filed a patent application in Hungary for a television system he called "Radioskop", which used fully electronic scanning and display elements and the principle of "charge storage" within the scanning tube.
On 7 May 1926, Leon Theremin electrically transmitted and then projected near-simultaneous moving images on a 5-square-foot (0.46 m) screen.
In October 1926, Campbell-Swinton announced the results of some "not very successful experiments" he had conducted with G. M. Minchin and J. C. M. Stanton in a letter to Nature. They had attempted to generate an electrical signal by projecting an image onto a selenium-coated metal plate that was simultaneously scanned by a cathode ray beam.
On 25 December 1926, Kenjiro Takayanagi demonstrated a television system with a 40-line resolution that employed a Nipkow disk scanner and CRT display at Hamamatsu Industrial High School in Japan.
On December 25, 1926, Japanese inventor Kenjiro Takayanagi demonstrated a TV system with a 40-line resolution that employed a CRT display at Hamamatsu Industrial High School in Japan. This was the first working example of a fully electronic television receiver.
On 7 April 1927, Herbert E. Ives and Frank Gray of Bell Telephone Laboratories gave a dramatic demonstration of mechanical television, transmitting images from Washington to New York City via copper wire and radio link. Secretary of Commerce Herbert Hoover was among the subjects telecasted.
On September 7, 1927, US inventor Philo Farnsworth's image dissector camera tube transmitted its first image, a simple straight line, at his laboratory in San Francisco.
By 1927, Leon Theremin had achieved an image of 100 lines in his television system.
In 1927, John Logie Baird transmitted a signal over 438 miles (705 km) of telephone line between London and Glasgow.
In 1927, RCA, which acquired the Westinghouse patent, asserted that the patent for Farnsworth's image dissector was written so broadly that it would exclude any other electronic imaging device.
In 1927, the term TV started being used to mean 'television as a medium'.
On January 13, 1928, WRGB claims its roots to an experimental station founded, broadcasting from the General Electric factory in Schenectady, NY, under the call letters W2XB. It was popularly known as "WGY Television" after its sister radio station.
On July 3, 1928, John Logie Baird demonstrated the world's first color transmission.
On August 10, 1928, John Logie Baird demonstrated stereoscopic 3D television for the first time at his company's premises in London. This was achieved using electromechanical and cathode-ray tube techniques.
By September 3, 1928, Philo Farnsworth had developed his electronic television system sufficiently to hold a demonstration for the press, widely regarded as the first electronic television demonstration.
In 1928, Baird's company (Baird Television Development Company/Cinema Television) broadcast the first transatlantic television signal between London and New York and the first shore-to-ship transmission.
In 1928, Kálmán Tihanyi made further refinements to his television system, included in a patent application.
In 1928, Vladimir Zworykin received a patent for a color transmission version of his 1923 patent application.
In 1928, WRGB, then W2XB, was started as the world's first television station. It broadcast from the General Electric facility in Schenectady, NY.
In June 1929, Bell Laboratories demonstrated mechanically scanned color television.
In 1929, John Logie Baird became involved in the first experimental mechanical television service in Germany. In November of the same year, Baird and Bernard Natan of Pathé established France's first television company, Télévision-Baird-Natan.
In 1929, Philo Farnsworth further improved his television system by eliminating a motor generator, removing all mechanical parts. He also transmitted the first live human images with his system, including an image of his wife.
In 1930, Kálmán Tihanyi's patent was declared void in Great Britain, leading him to apply for patents in the United States.
In 1930, Philo Farnsworth began working on a completely unique "Multipactor" device.
In August 1931, Manfred von Ardenne gave a public demonstration of a television system using a CRT for both transmission and reception at the Berlin Radio Show, the first completely electronic television transmission.
In 1931, John Logie Baird made the first outdoor remote broadcast of The Derby.
In 1931, Kálmán Tihanyi's breakthrough charge-storage technology was incorporated into the design of RCA's "iconoscope".
In 1931, Mexican inventor Guillermo González Camarena began his experiments with television (telectroescopía).
In 1931, Philo Farnsworth demonstrated the "Multipactor" device, which could amplify a signal reportedly to the 60th power or better.
In 1931, Vladimir Zworykin divided his original 1923 patent application.
In May 1932, RCA achieved an image resolution of 120 lines, surpassing Theremin's earlier achievement of 100 lines.
In 1932, John Logie Baird demonstrated ultra-short wave television.
In 1932, the EMI engineering team led by Isaac Shoenberg applied for a patent for a new device they called "the Emitron", which formed the heart of the cameras that they designed for the BBC.
On December 24, 1933, Manfred von Ardenne achieved his first transmission of television pictures.
By 1933 the UK broadcasts using the Baird system were remarkably clear due to technical advances in image quality.
In 1933, RCA introduced an improved camera tube called the "Iconoscope" by Zworykin, which relied on Tihanyi's charge storage principle. The new tube had a light sensitivity of about 75,000 lux.
On August 25, 1934, Philo Farnsworth gave the world's first public demonstration of an all-electronic television system, using a live camera, at the Franklin Institute of Philadelphia and for ten days afterward.
In 1934, Manfred von Ardenne conducted test runs for a public television service.
In 1934, Zworykin shared some patent rights with the German licensee company Telefunken.
In 1934, the EMI team developed and patented two new camera tubes dubbed super-Emitron and CPS Emitron, solving the efficiency problem of the original iconoscope (or Emitron).
In 1935, Compagnie des Compteurs installed a 180-line system in Paris and Peck Television Corp. started a 180-line system at station VE9AK in Montreal.
In 1935, The U.S. Patent Office examiner found priority of invention for Farnsworth against Zworykin, disagreeing with RCA's claim.
In 1935, the first 3D television was produced, representing a significant milestone in the development of television technology.
In 1935, the world's first electronically scanned television service, the Fernsehsender Paul Nipkow, started in Berlin.
On November 2, 1936, a 405-line broadcasting service employing the Emitron began at studios in Alexandra Palace and transmitted from a specially built mast. This was the world's first regular "high-definition" television service.
On November 2, 1936, the BBC began transmitting the world's first public regular high-definition service from the Alexandra Palace in north London, marking a pivotal moment in the history of television broadcasting.
From 1936, the image iconoscope (Superikonoskop) became the industrial standard for public broadcasting in Europe.
In 1936, Baird's mechanical system reached a peak of 240 lines of resolution on BBC telecasts, through the use of rapidly developed 17.5 mm film.
In 1936, Kálmán Tihanyi described the principle of plasma display, the first flat-panel display system.
In 1936, the Fernsehsender Paul Nipkow provided a live broadcast of the Summer Olympic Games from Berlin to public places all over Germany.
In 1937, H. Miller and J. W. Strange from EMI, and H. Iams and A. Rose from RCA repeated Alan Archibald Campbell-Swinton's experiments and successfully transmitted "very faint" images with the original Campbell-Swinton's selenium-coated plate.
On Armistice Day 1937, the BBC used the super-Emitron for outside broadcasting for the first time. The general public could watch on a television set as the King laid a wreath at the Cenotaph.
On February 4, 1938, Baird made the world's first color broadcast from Baird's Crystal Palace studios to London's Dominion Theatre.
In May 1939, Kálmán Tihanyi was granted the U.S. patent for his transmitting tube, which had been purchased by RCA prior to its approval.
In September 1939, RCA agreed to pay Farnsworth US$1 million over ten years, in addition to license payments, to use his patents, after losing an appeal in the courts.
In September 1939, RCA agreed to pay the Farnsworth Television and Radio Corporation royalties over the next ten years for access to Farnsworth's patents.
In 1939, Farnsworth and RCA would broadcast a live street scene from cameras installed on the roof of neighboring buildings at the New York World's Fair.
In 1939, Peter Carl Goldmark introduced an electro-mechanical color television system at CBS.
In 1939, the last mechanical telecasts ended at stations run by public universities in the United States.
CBS began experimental color field tests using film as early as August 28, 1940.
On August 29, 1940, CBS demonstrated its field-sequential color system to the Federal Communications Commission (FCC).
As early as 1940, Baird had started work on a fully electronic system he called Telechrome.
From 1940 to 1955, Heimann produced and commercialized the Superikonoskop.
In 1940, John Logie Baird publicly demonstrated a color television combining a black-and-white display with a rotating colored disk.
In 1940, Mexican inventor Guillermo González Camarena patented the "trichromatic field sequential system" color television.
On February 20, 1941, NBC made its first field test of color television.
In July 1941, the Federal Communications Commission (FCC) in the U.S. allowed television stations to broadcast advertisements, but required public service programming commitments as a condition for a license.
On July 1, 1941, the first official, paid television advertisement was broadcast in the United States on New York station WNBT for Bulova watches before a baseball game. The ad displayed a modified WNBT test pattern resembling a clock.
In 1941, the United States implemented 525-line television.
In 1941, the term TV started being used to mean 'a television set'.
Since its inception in the US in 1941, television commercials have become an effective method of selling products. During the 1940s and into the 1950s, programs were hosted by single advertisers, giving them creative control over the show's content.
From April 22, 1942, the War Production Board halted the manufacture of television and radio equipment for civilian use.
On August 16, 1944, a demonstration of Baird's Telechrome was the first example of a practical color television system.
As early as 1944, Baird had commented to a British government committee that a fully electronic device would be better.
In 1944, the world's first 625-line television standard was designed in the Soviet Union.
On August 20, 1945, the War Production Board resumed the manufacture of television and radio equipment for civilian use.
In October 1945, British science fiction writer Arthur C. Clarke proposed a worldwide communications system that would function by means of three satellites equally spaced apart in Earth orbit, published in the Wireless World magazine.
Baird's untimely death in 1946 ended the development of the Telechrome system.
In 1946, the 625-line television standard designed in the Soviet Union became a national standard.
In 1948, cable television originated in areas where over-the-air reception was limited. Large "community antennas" were constructed, and cable was run from them to individual homes.
In 1948, the abbreviation TV was introduced.
In 1948, the first broadcast in 625-line standard occurred in Moscow.
From 1952 to 1958, the Dutch company Philips produced and commercialized the image iconoscope and multicon.
In 1952, Sony founder Masaru Ibuka predicted that transistors would lead to smaller, portable television sets.
On August 28, 1953, the first TV advertisement broadcast in Asia was on Nippon Television in Tokyo, advertising Seikosha (now Seiko) by displaying a clock with the current time.
The addition of color to broadcast television after 1953 further increased the popularity of television sets, and an outdoor antenna became a common feature of suburban homes.
On July 8, 1954, the first color broadcast (the first episode of the live program The Marriage) occurred.
On September 22, 1955, the first TV advertisement broadcast in the U.K. was on ITV, advertising Gibbs SR toothpaste.
In 1955, Heimann's commercialization of the Superikonoskop ended.
In 1957, "Compatible Color" featured in RCA advertisements of the period, is mentioned in the song "America", of West Side Story.
In 1958, Philips' commercialization of the image iconoscope and multicon ended.
In 1959, Sony developed the first fully transistorized, portable solid-state television set, the 8-inch Sony TV8-301.
In 1960, Sony released the TV8-301, the first fully transistorized portable television and by 1960, Sony had sold over 4 million portable television sets worldwide.
In 1960, the vidicon and plumbicon tubes replaced the image iconoscope (Superikonoskop) for public broadcasting in Europe.
On July 23, 1962, the first satellite television signals from Europe to North America were relayed via the Telstar satellite over the Atlantic Ocean, reaching over 100 million viewers.
On July 26, 1963, the first geosynchronous communication satellite, Syncom 2, was launched, marking a significant advancement in satellite technology for television transmission.
In 1963, Arthur C. Clarke won the Franklin Institute's Stuart Ballantine Medal for his 1945 proposal of a worldwide communications system using satellites.
On April 6, 1965, the world's first commercial communications satellite, Intelsat I (Early Bird), was launched into geosynchronous orbit, marking a significant advancement in satellite communication technology.
In 1965, it was announced that over half of all network prime-time programming would be broadcast in color that fall.
In the spring of 1966, GE introduced the relatively compact and lightweight Porta-Color set, which used a transistor-based UHF tuner.
In October 1967, the Soviet Union created the first national network of television satellites, called Orbita, based on the Molniya satellite for rebroadcasting and delivering television signals to ground stations.
In 1967, Color broadcasting in Europe started, standardized on the PAL format.
In 1967, the first fully transistorized color television in the United States was the Quasar television.
On November 9, 1972, Canada's geostationary Anik 1 was launched as the first commercial North American satellite to carry television transmissions, marking a significant advancement in satellite communication technology.
In 1972, sales of color television sets finally surpassed sales of black-and-white sets.
In 1972, the last holdout among daytime network programs converted to color, resulting in the first completely all-color network season.
On May 30, 1974, ATS-6, the world's first experimental educational and Direct Broadcast Satellite (DBS), was launched. It transmitted at 860 MHz using wideband FM and had two sound channels, focusing on the Indian subcontinent.
On October 26, 1976, Ekran 1, the first in a series of Soviet geostationary satellites to carry Direct-To-Home television, was launched, utilizing a 714 MHz UHF downlink frequency for reception with existing UHF television technology.
By 1979, even the last of the black-and-white stations had converted to color.
In 1983, the Australian Broadcasting Corporation Act was enacted, banning advertising by external sources on the ABC's television services and ensuring its editorial independence.
William F. Schreiber became director of the Advanced Television Research Program at the Massachusetts Institute of Technology in 1983.
In 1987, Digital Light Processing (DLP) was originally developed by Dr. Larry Hornbeck of Texas Instruments. DLP is a type of video projector technology that uses a digital micromirror device.
In March 1990, the FCC declared that the new ATV standard must be able to provide a genuine HDTV signal, and that it must be capable of being "simulcast" on different channels.
Until June 1990, the Japanese MUSE standard was the front-runner. Then, a U.S. company, General Instrument, demonstrated the possibility of a digital television signal.
William F. Schreiber, who was director of the Advanced Television Research Program at the Massachusetts Institute of Technology from 1983 until his retirement in 1990, thought that the continued advocacy of interlaced equipment originated from consumer electronics companies that were trying to get back the substantial investments they made in the interlaced technology.
In 1994, the first patent was filed for an "intelligent" television system linked with data processing systems, using a digital or analog network. The system was designed to automatically download necessary software routines according to a user's demand and process their needs. The patent was extended the following year.
Since the 1996 Howard government, the ABC has suffered progressive funding cuts under Liberal governments.
In 1997, while the DLP imaging device was invented by Texas Instruments, the first DLP-based projector was introduced by Digital Projection Ltd. This marked a significant milestone in projection technology.
In 1998, Digital Projection and Texas Instruments were both awarded Emmy Awards for the invention of the DLP projector technology, recognizing its significant impact on the industry.
In 2007, LCD television sets surpassed sales of CRT-based television sets worldwide for the first time, marking a significant shift in the television market.
In 2008, the global TV market had total revenues of 268.9 billion EUR which declined 1.2% in 2009.
As of 2009 two main BBC TV channels were watched by almost 90% of the population each week and overall had 27% share of total viewing, despite the fact that 85% of homes were multi-channel.
In 2009, the global TV market encompassed 1,217.2 million TV households and total revenues of 268.9 billion EUR, a 1.2% decline from 2008. North America held the largest TV revenue market share at 39%.
Around 2010, a slight increase in antenna use began due to the switchover to digital terrestrial television broadcasts, offering an alternative to cable television.
As of 2010, approximately 25 million TV licences were in force in all premises in the UK.
In 2010, 3D television shipments totaled 2.26 million units, showing an early phase of adoption before a significant surge in popularity.
In 2010, digital television transmissions greatly increased in popularity. Also since 2010, with the invention of smart television, Internet television has increased the availability of television programs and movies via the Internet through streaming video services such as Netflix, Amazon Prime Video, iPlayer, and Hulu.
In 2011, 3D television shipments totaled 24.14 million units, reflecting a substantial increase in the market compared to the previous year.
In 2011, approximately 48 million television sets were sold each year in North America at an average price of US$460 and a size of 38 inches.
On October 17, 2012, the Consumer Electronics Association announced that "Ultra High Definition", or "Ultra HD", would be used for displays meeting certain criteria, including a minimum aspect ratio of 16:9 and the ability to present natural video at a minimum resolution of 3840×2160 pixels.
As of 2012, it was estimated that approximately 26.8 million UK private domestic households owned televisions.
In 2012, 3D television shipments totaled 41.45 million units, according to DisplaySearch, marking a peak in the technology's popularity before a subsequent decline.
As of late 2013, the number of 3D TV viewers started to decline, signaling a shift in consumer interest away from 3D television technology.
In 2013, 79% of the world's households owned a television set.
In 2013, Video on demand website Netflix earned the first Primetime Emmy Award nominations for original streaming television at the 65th Primetime Emmy Awards. Three of its series, House of Cards, Arrested Development, and Hemlock Grove, earned nominations that year.
In 2013, it was estimated that about 7% of US households used an antenna for television reception, reflecting the decline of terrestrial television broadcasts due to the widespread adoption of cable.
As of 2014, technologies like OLEDs, FED, and SED, which address the weaknesses of LCDs, had not yet entered widespread production, highlighting the dominance of LCD technology in the television market.
In 2014, under the Turnbull government, the ABC suffered particularly deep funding cuts.
In January 2015, traditional cable and satellite television providers began to offer services such as Sling TV, owned by Dish Network. This marked a shift towards streaming services in the television industry.
On July 13, 2015, cable company Comcast announced an HBO plus broadcast TV package at a price discounted from basic broadband plus basic cable, offering consumers a new entertainment bundle.
As of 2015, TV tip-overs were responsible for more than 10,000 injuries per year to children in the United States, at a cost of more than US$8 million per year in emergency care.
In 2015, major TV manufacturers announced the production of smart TVs only for middle-end and high-end TVs, marking a significant step in the evolution and availability of smart television technology.
In 2016, DirecTV, a satellite television provider, launched their own streaming service, DirecTV Stream, joining the trend of traditional providers offering streaming options.
A 2017 study in The Journal of Human Resources found that exposure to cable television reduced cognitive ability and high school graduation rates for boys, especially those from more educated families.
In 2017, YouTube launched YouTube TV, a streaming service allowing users to watch live television programs from popular cable or network channels and record shows to stream anywhere, anytime. Also, 28% of US adults cite streaming services as their main means for watching television.
As of 2018, Netflix is the world's largest streaming TV network and also the world's largest Internet media and entertainment company with 117 million paid subscribers, and by revenue and market cap.
As of 2019, 46 million U.S. households had at least one smart TV, indicating the increasing popularity and adoption of smart TVs in American homes.
In 2020, the COVID-19 pandemic had a strong impact in the television streaming business with the lifestyle changes such as staying at home and lockdowns. Resulting in an increase in streaming service subscriptions.
As of June 2021 the licence that funds the advertising-free BBC TV channels cost £159 for a colour TV Licence and £53.50 for a black and white TV Licence (free or reduced for some groups).
As of 2021, the ABC is facing an ongoing indexation freeze.
As of 2015, TV tip-overs were responsible for more than US$8 million per year in emergency care to children in the United States, equivalent to US$10.87 million per year in 2025.
In 2011, TVs were being sold at an average price of US$460 which is equivalent to $658 in 2025.
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