117-427: Paramount Domestic Television ( PDT ) was the television distribution arm of American television production company Paramount Television , once the television arm of Paramount Pictures . It was formed in 1982 originally as Paramount Domestic Television and Video Programming , the successor to Paramount Television Domestic Distribution , Paramount Television Sales , and Desilu Sales . Initially, it distributed
234-458: A patent interference suit against Farnsworth. The U.S. Patent Office examiner disagreed in a 1935 decision, finding priority of invention for Farnsworth against Zworykin. Farnsworth claimed that Zworykin's 1923 system could not produce an electrical image of the type to challenge his patent. Zworykin received a patent in 1928 for a color transmission version of his 1923 patent application. He also divided his original application in 1931. Zworykin
351-473: A resolution that is substantially higher. HDTV may be transmitted in different formats: 1080p , 1080i and 720p . 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 2013, 79% of the world's households owned
468-600: A transistor -based UHF tuner . The first fully transistorized color television in the United States was the Quasar television introduced in 1967. These developments made watching color television a more flexible and convenient proposition. In 1972, sales of color sets finally surpassed sales of black-and-white sets. Color broadcasting in Europe was not standardized on the PAL format until
585-467: A tuner for receiving and decoding broadcast signals. A visual display device that lacks a tuner is correctly called a video monitor rather than a television. The television broadcasts are mainly a simplex broadcast meaning that the transmitter cannot receive and the receiver cannot transmit. The word television comes from Ancient Greek τῆλε (tele) 'far' and Latin visio 'sight'. The first documented usage of
702-713: A 10-year license that allowed Cedar Fair to use the Paramount name in the parks through the 2017 season. On February 7, 2007, CBS sold seven smaller-market stations in Providence, Rhode Island , Austin, Texas , Salt Lake City and West Palm Beach, Florida to Cerberus Capital Management for US$ 185 million. It sold another station, WFRV-TV in Green Bay, Wisconsin , and its satellite station, WJMN-TV in Escanaba , Michigan , to Liberty Media on February 13, 2007. News reports estimate
819-477: A 1925 demonstration, the image was dim, had low contrast and poor definition, and was stationary. Zworykin's imaging tube never got beyond the laboratory stage. However, RCA, which acquired the Westinghouse patent, asserted that the patent for Farnsworth's 1927 image dissector was written so broadly that it would exclude any other electronic imaging device. Thus, based on Zworykin's 1923 patent application, RCA filed
936-403: A 2-inch-wide by 2.5-inch-high screen (5 by 6 cm). The large receiver had a screen 24 inches wide by 30 inches high (60 by 75 cm). Both sets could reproduce reasonably accurate, monochromatic, moving images. Along with the pictures, the sets received synchronized sound. The system transmitted images over two paths: first, a copper wire link from Washington to New York City, then
1053-527: A 25% stake on The WB) and CBS Television Stations contributed its stations as new network affiliates. On May 23, 2006, CBS Corporation sold Paramount Parks to the Cedar Fair Entertainment Company . With this acquisition, Cedar Fair became the third-largest theme park operator. On June 30, 2006, Cedar Fair completed its acquisition of Paramount Parks from CBS Corporation in a cash transaction valued at US$ 1.24 billion. The transaction included
1170-429: A CBS-Viacom merger for at least two years after the date of the settlement with former CEO Moonves, donating $ 20 million to groups supporting the #MeToo movement as result of his resign. On May 30, 2019, CNBC reported that CBS Corporation and Viacom would explore merger discussions in mid-June 2019. The company's board of directors was revamped with people who are open to a merger and the talks were made possible with
1287-402: A TV system with a 40-line resolution that employed a CRT display. This was the first working example of a fully electronic television receiver and Takayanagi's team later made improvements to this system parallel to other television developments. Takayanagi did not apply for a patent. In the 1930s, Allen B. DuMont made the first CRTs to last 1,000 hours of use, one of the factors that led to
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#17330933631191404-665: A camera tube, using the CRT instead as a flying-spot scanner to scan slides and film. Ardenne achieved his first transmission of television pictures on 24 December 1933, followed by test runs for a public television service in 1934. The world's first electronically scanned television service then started in Berlin in 1935, the Fernsehsender Paul Nipkow , culminating in the live broadcast of the 1936 Summer Olympic Games from Berlin to public places all over Germany. Philo Farnsworth gave
1521-609: A color television combining a traditional black-and-white display with a rotating colored disk. This device was very "deep" but was later improved with a mirror folding the light path into an entirely practical device resembling a large conventional console. However, Baird was unhappy with the design, and, as early as 1944, had commented to a British government committee that a fully electronic device would be better. In 1939, Hungarian engineer Peter Carl Goldmark introduced an electro-mechanical system while at CBS , which contained an Iconoscope sensor. The CBS field-sequential color system
1638-409: A communal viewing experience to a solitary viewing experience. By 1960, Sony had sold over 4 million portable television sets worldwide. The basic idea of using three monochrome images to produce a color image had been experimented with almost as soon as black-and-white televisions had first been built. Although he gave no practical details, among the earliest published proposals for television
1755-624: A deal finalized in mid-December 2018. The deal gives the buyer the right to use the Television City name. Programs produced at Television City will continue to be based there as will CBS' international unit headquarters. On September 29, 2016, National Amusements sent a letter to the company and Viacom, encouraging the two companies to merge back into one company. On December 12, the deal was called off. On January 12, 2018, CNBC reported that Viacom had re-entered talks to merge back into CBS Corporation, after AT&T 's purchase of Time Warner
1872-786: A fellow of the Royal Society (UK), published a letter in the scientific journal Nature in which he described how "distant electric vision" could be achieved by using a cathode-ray tube, or Braun tube, as both a transmitting and receiving device, he expanded on his vision in a speech given in London in 1911 and reported in The Times and the Journal of the Röntgen Society. In a letter to Nature published in October 1926, Campbell-Swinton also announced
1989-580: A joint venture created for the sale of advertising for their existing syndicated programs in September 1989. As a possible outgrowth of this sales joint venture, MCA and Paramount began plans for a new network, Premier Program Service . In 1999, Viacom acquired several other television production firms such as Spelling Entertainment Group (which owned Spelling Television , Worldvision Enterprises , Republic Pictures Television , and Big Ticket Entertainment ) and Rysher Entertainment (or at least its library). As
2106-423: A lensed disk scanner with a 48-line resolution. He was granted U.S. Patent No. 1,544,156 (Transmitting Pictures over Wireless) on 30 June 1925 (filed 13 March 1922). Herbert E. Ives and Frank Gray of Bell Telephone Laboratories gave a dramatic demonstration of mechanical television on 7 April 1927. Their reflected-light television system included both small and large viewing screens. The small receiver had
2223-657: A line of the image. Although he never built a working model of the system, variations of Nipkow's spinning-disk " image rasterizer " became exceedingly common. Constantin Perskyi had coined the word television in a paper read to the International Electricity Congress at the International World Fair in Paris on 24 August 1900. Perskyi's paper reviewed the existing electromechanical technologies, mentioning
2340-515: A medium" dates from 1927. The term telly is more common in the UK. The slang term "the tube" or the "boob tube" derives from the bulky cathode-ray tube used on most TVs until the advent of flat-screen TVs . Another slang term for the TV is "idiot box." Facsimile transmission systems for still photographs pioneered methods of mechanical scanning of images in the early 19th century. Alexander Bain introduced
2457-415: A new broadcast network, The CW . The network officially debuted on September 18, 2006. The network formally debuted on September 20 with the 2-hour premiere of America's Next Top Model . The network is the result of a merger of The WB (a Warner Bros. holding) and UPN (a CBS Corporation holding). CBS Corporation and Time Warner each owned 50% of the network. Tribune Broadcasting (which previously owned
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#17330933631192574-432: A new entity known as ViacomCBS (now Paramount Global ), with Viacom CEO Bob Bakish as president and CEO of the new company and CBS CEO Ianniello as chairman and CEO of CBS and oversee CBS-branded assets. Shari Redstone will also serve as chairwoman of ViacomCBS. On October 29, 2019, National Amusements approved the re-merger deal, to be completed by early December 2019, with the recombined company trading on Nasdaq under
2691-442: A phosphor plate. The phosphor was patterned so the electrons from the guns only fell on one side of the patterning or the other. Using cyan and magenta phosphors, a reasonable limited-color image could be obtained. He also demonstrated the same system using monochrome signals to produce a 3D image (called " stereoscopic " at the time). A demonstration on 16 August 1944 was the first example of a practical color television system. Work on
2808-467: A production model was halted by the SCAP after World War II . Because only a limited number of holes could be made in the disks, and disks beyond a certain diameter became impractical, image resolution on mechanical television broadcasts was relatively low, ranging from about 30 lines up to 120 or so. Nevertheless, the image quality of 30-line transmissions steadily improved with technical advances, and by 1933
2925-502: A projection screen at London's Dominion Theatre . Mechanically scanned color television was also demonstrated by Bell Laboratories in June 1929 using three complete systems of photoelectric cells , amplifiers, glow-tubes, and color filters, with a series of mirrors to superimpose the red, green, and blue images into one full-color image. The first practical hybrid system was again pioneered by John Logie Baird. In 1940 he publicly demonstrated
3042-591: A radio link from Whippany, New Jersey . Comparing the two transmission methods, viewers noted no difference in quality. Subjects of the telecast included Secretary of Commerce Herbert Hoover . A flying-spot scanner beam illuminated these subjects. The scanner that produced the beam had a 50-aperture disk. The disc revolved at a rate of 18 frames per second, capturing one frame about every 56 milliseconds . (Today's systems typically transmit 30 or 60 frames per second, or one frame every 33.3 or 16.7 milliseconds, respectively.) Television historian Albert Abramson underscored
3159-592: A resolution that was not surpassed until May 1932 by RCA, with 120 lines. 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. This prototype is still on display at the Takayanagi Memorial Museum in Shizuoka University , Hamamatsu Campus. His research in creating
3276-447: A result, the size of Paramount's television library more than tripled, giving PDT a slew of new series to distribute, and included was the distribution rights to Judge Judy and Judge Joe Brown . In 2002, it struck a deal with HDNet to distribute content that was meant to be short for HDTV . After Viacom split into two companies – one called Viacom and the other CBS Corporation – Paramount's television operations became part of
3393-625: A signal reportedly to the 60th power or better and showed great promise in all fields of electronics. Unfortunately, an issue with the multipactor was that it wore out at an unsatisfactory rate. At the Berlin Radio Show in August 1931 in Berlin , Manfred von Ardenne gave a public demonstration of a television system using a CRT for both transmission and reception, the first completely electronic television transmission. However, Ardenne had not developed
3510-410: A static photocell. The thallium sulfide (Thalofide) cell, developed by Theodore Case in the U.S., detected the light reflected from the subject and converted it into a proportional electrical signal. This was transmitted by AM radio waves to a receiver unit, where the video signal was applied to a neon light behind a second Nipkow disk rotating synchronized with the first. The brightness of the neon lamp
3627-459: A system that used a mechanical mirror-drum scanner to transmit, in Zworykin's words, "very crude images" over wires to the " Braun tube" ( cathode-ray tube or "CRT") in the receiver. Moving images were not possible because, in the scanner: "the sensitivity was not enough and the selenium cell was very laggy". In 1921, Édouard Belin sent the first image via radio waves with his belinograph . By
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3744-490: A television set. The replacement of earlier cathode-ray tube (CRT) screen displays with compact, energy-efficient, flat-panel alternative technologies such as LCDs (both fluorescent-backlit and LED ), OLED displays, and plasma displays was a hardware revolution that began with computer monitors in the late 1990s. Most television sets sold in the 2000s were still CRT , it was only in early 2010s that flat-screen TVs decisively overtook CRT. Major manufacturers announced
3861-484: A television system using fully electronic scanning and display elements and employing the principle of "charge storage" within the scanning (or "camera") tube. The problem of low sensitivity to light resulting in low electrical output from transmitting or "camera" tubes would be solved with the introduction of charge-storage technology by Kálmán Tihanyi beginning in 1924. His solution was a camera tube that accumulated and stored electrical charges ("photoelectrons") within
3978-456: Is capable of more than " radio broadcasting ," which refers to an audio signal sent to radio receivers . Television became available in crude experimental forms in the 1920s, but only after several years of further development was the new technology marketed to consumers. After World War II , an improved form of black-and-white television broadcasting became popular in the United Kingdom and
4095-511: The 1939 New York World's Fair . On the other hand, in 1934, Zworykin shared some patent rights with the German licensee company Telefunken. The "image iconoscope" ("Superikonoskop" in Germany) was produced as a result of the collaboration. This tube is essentially identical to the super-Emitron. The production and commercialization of the super-Emitron and image iconoscope in Europe were not affected by
4212-724: The EMI engineering team led by Isaac Shoenberg applied in 1932 for a patent for a new device they called "the Emitron", which formed the heart of the cameras they designed for the BBC. On 2 November 1936, a 405-line broadcasting service employing the Emitron began at studios in Alexandra Palace and transmitted from a specially built mast atop one of the Victorian building's towers. It alternated briefly with Baird's mechanical system in adjoining studios but
4329-542: The Paramount Pictures library. Viacom's international presence could also benefit distribution. On March 30, 2018, CBS made an all-stock offer slightly below Viacom's market value and insisting that its existing leadership, including long-time chairman and CEO Les Moonves, oversee the re-combined company. Viacom rejected the offer as being too low, requesting an increase by $ 2.8 billion, and requesting that Bob Bakish be maintained as president and COO under Moonves. It
4446-474: The patent war between Zworykin and Farnsworth because Dieckmann and Hell had priority in Germany for the invention of the image dissector, having submitted a patent application for their Lichtelektrische Bildzerlegerröhre für Fernseher ( Photoelectric Image Dissector Tube for Television ) in Germany in 1925, two years before Farnsworth did the same in the United States. The image iconoscope (Superikonoskop) became
4563-404: The "Iconoscope" by Zworykin, the new tube had a light sensitivity of about 75,000 lux , and thus was claimed to be much more sensitive than Farnsworth's image dissector. However, Farnsworth had overcome his power issues with his Image Dissector through the invention of a completely unique " Multipactor " device that he began work on in 1930, and demonstrated in 1931. This small tube could amplify
4680-653: The 1920s, when amplification made television practical, Scottish inventor John Logie Baird employed the Nipkow disk in his prototype video systems. On 25 March 1925, Baird gave the first public demonstration of televised silhouette images in motion at Selfridges 's department store in London . Since human faces had inadequate contrast to show up on his primitive system, he televised a ventriloquist's dummy named "Stooky Bill," whose painted face had higher contrast, talking and moving. By 26 January 1926, he had demonstrated before members of
4797-421: The 1960s, and broadcasts did not start until 1967. By this point, many of the technical issues in the early sets had been worked out, and the spread of color sets in Europe was fairly rapid. By the mid-1970s, the only stations broadcasting in black-and-white were a few high-numbered UHF stations in small markets and a handful of low-power repeater stations in even smaller markets such as vacation spots. By 1979, even
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4914-664: The Dutch company Philips produced and commercialized the image iconoscope and multicon from 1952 to 1958. U.S. television broadcasting, at the time, consisted of a variety of markets in a wide range of sizes, each competing for programming and dominance with separate technology until deals were made and standards agreed upon in 1941. RCA, for example, used only Iconoscopes in the New York area, but Farnsworth Image Dissectors in Philadelphia and San Francisco. In September 1939, RCA agreed to pay
5031-631: The Farnsworth Television and Radio Corporation royalties over the next ten years for access to Farnsworth's patents. With this historic agreement in place, RCA integrated much of what was best about the Farnsworth Technology into their systems. In 1941, the United States implemented 525-line television. Electrical engineer Benjamin Adler played a prominent role in the development of television. The world's first 625-line television standard
5148-472: The Paramount lot to CBS facilities. Currently, syndication rights to Paramount's theatrical film library lie with Trifecta Entertainment & Media . 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. The medium
5265-462: The Royal Institution the transmission of an image of a face in motion by radio. This is widely regarded as the world's first true public television demonstration, exhibiting light, shade, and detail. Baird's system used the Nipkow disk for both scanning the image and displaying it. A brightly illuminated subject was placed in front of a spinning Nipkow disk set with lenses that swept images across
5382-553: The Science Museum, South Kensington. 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 1929, he 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 1931, he made
5499-459: The Telechrome continued, and plans were made to introduce a three-gun version for full color. However, Baird's untimely death in 1946 ended the development of the Telechrome system. Similar concepts were common through the 1940s and 1950s, differing primarily in the way they re-combined the colors generated by the three guns. The Geer tube was similar to Baird's concept but used small pyramids with
5616-560: The UK broadcasts using the Baird system were remarkably clear. A few systems ranging into the 200-line region also went on the air. Two of these were the 180-line system that Compagnie des Compteurs (CDC) installed in Paris in 1935 and the 180-line system that Peck Television Corp. started in 1935 at station VE9AK in Montreal . The advancement of all-electronic television (including image dissectors and other camera tubes and cathode-ray tubes for
5733-674: The United States, and television sets became commonplace in homes, businesses, and institutions. During the 1950s, television was the primary medium for influencing public opinion . In the mid-1960s, color broadcasting was introduced in the U.S. and most other developed countries. The availability of various types of archival storage media such as Betamax and VHS tapes, LaserDiscs , high-capacity hard disk drives , CDs , DVDs , flash drives , high-definition HD DVDs and Blu-ray Discs , and cloud digital video recorders has enabled viewers to watch pre-recorded material—such as movies—at home on their own time schedule. For many reasons, especially
5850-569: The Viacom channels to be an "albatross," and while he favored more content for CBS All Access (now Paramount+), he believed that there were better deals for CBS than the Viacom deal, such as Metro-Goldwyn-Mayer (MGM), Lionsgate or Sony Pictures . Moonves also considered Bakish a threat as he never wanted an ally of Shari Redstone as a board member of the combined company. Following Moonves' resignation due to sexual harassment allegations, National Amusements agreed in September 2018 to defer any proposal of
5967-735: The Viacom merger, though these have rarely been seen in syndication. Shortly after The Arsenio Hall Show was cancelled following the acquisition of Viacom, Paramount began distributing and producing MTV's The Jon Stewart Show for the syndication market. In 1987, Coca-Cola Telecommunications teamed up with Paramount Domestic Television (PDT), and Orbis Communications to form International Advertising Sales, which handled advertising of such programs produced by PDT, Orbis and Coca-Cola Telecommunications , including future programming for Merv Griffin Enterprises . MCA Television and Paramount Domestic Television (PDT) had formed Premier Advertiser Sales,
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#17330933631196084-461: The analog and channel-separated signals used by analog television . Due to data compression , digital television can support more than one program in the same channel bandwidth. It is an innovative service that represents the most significant evolution in television broadcast technology since color television emerged in the 1950s. Digital television's roots have been tied very closely to the availability of inexpensive, high performance computers . It
6201-537: The back library of Paramount Television and the post-1960 shows by Desilu, and several first-run syndicated shows. Originally, the company (like other sister companies sharing the Paramount name) was owned by Gulf+Western , which was reincorporated as Paramount Communications in 1989. In 1987, it entered into an agreement with Tribune Entertainment Company whereby Paramount would distribute Geraldo , with Tribune producing. In 1989, both Tribune and Paramount worked again on The Joan Rivers Show , Paramount distributing
6318-407: The company into two firms. The CBS Corporation name would be revived for one of the companies, to be headed by longtime television executive (and Viacom co-president) Les Moonves , and would include the namesake television network CBS , UPN , Infinity Broadcasting Corporation , Viacom Outdoor , Showtime Networks , and Paramount Television . The split was structured such that the second Viacom
6435-511: The company into two publicly traded companies, amid issues of the stock price stagnating and clashing corporate cultures between the cable and broadcast divisions, which came to a head with the Super Bowl XXXVIII halftime show controversy a year previous with the MTV -produced show causing controversy for game broadcaster CBS . On June 14, 2005, the Viacom board of directors approved the split of
6552-462: The convenience of remote retrieval, the storage of television and video programming now also occurs on the cloud (such as the video-on-demand service by Netflix ). At the beginning of the 2010s, digital television transmissions greatly increased in popularity. Another development was the move from standard-definition television (SDTV) ( 576i , with 576 interlaced lines of resolution and 480i ) to high-definition television (HDTV), which provides
6669-514: The deal at about US$ 234 million. CBS is swapping the stations and US$ 170 million in cash for 7.59 million shares of CBS common stock held by Liberty Media. On February 26, 2007, CBS began investing in Electric Sheep, which is a virtual world content developer. CBS hired Electric Sheep to develop some projects, including the creation of "The L-Word in Second Life". CBS also shot a commercial within
6786-612: The deal due to close in the third quarter of 2008. On July 2 CBS acquired CNET and put it under CBS Interactive . On February 14, 2013, CBS acquired a minority stake in AXS TV in exchange for programming and marketing. On March 26, CBS and Lionsgate entered a 50/50 joint venture to operate the TV Guide Network (TVGN) and TVGuide.com. On May 31, CBS bought the remaining half of TV Guide Digital from Lionsgate . The latter still retained its share of TVGN (later rebranded as Pop) until it
6903-498: The design of RCA 's " iconoscope " in 1931, the U.S. patent for Tihanyi's transmitting tube would not be granted until May 1939. The patent for his receiving tube had been granted the previous October. Both patents had been purchased by RCA prior to their approval. Charge storage remains a basic principle in the design of imaging devices for television to the present day. On 25 December 1926, at Hamamatsu Industrial High School in Japan, Japanese inventor Kenjiro Takayanagi demonstrated
7020-514: The development of HDTV technology, the MUSE analog format proposed by NHK , a Japanese company, was seen as a pacesetter that threatened to eclipse U.S. electronics companies' technologies. Until June 1990, the Japanese MUSE standard, based on an analog system, was the front-runner among the more than 23 other technical concepts under consideration. Then, a U.S. company, General Instrument, demonstrated
7137-535: The discontinuation of CRT, Digital Light Processing (DLP), plasma, and even fluorescent-backlit LCDs by the mid-2010s. LEDs are being gradually replaced by OLEDs. Also, major manufacturers have started increasingly producing smart TVs in the mid-2010s. Smart TVs with integrated Internet and Web 2.0 functions became the dominant form of television by the late 2010s. Television signals were initially distributed only as terrestrial television using high-powered radio-frequency television transmitters to broadcast
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#17330933631197254-421: The extra information in the signal and produce a limited-resolution color display. The higher-resolution black-and-white and lower-resolution color images combine in the brain to produce a seemingly high-resolution color image. The NTSC standard represented a significant technical achievement. The first color broadcast (the first episode of the live program The Marriage ) occurred on 8 July 1954. However, during
7371-468: The facsimile machine between 1843 and 1846. Frederick Bakewell demonstrated a working laboratory version in 1851. Willoughby Smith discovered the photoconductivity of the element selenium in 1873. As a 23-year-old German university student, Paul Julius Gottlieb Nipkow proposed and patented the Nipkow disk in 1884 in Berlin . This was a spinning disk with a spiral pattern of holes, so each hole scanned
7488-521: The first Viacom. It was the world's eighth largest entertainment company in terms of revenue and headquartered at the CBS Building in Midtown Manhattan , New York City . CBS Corporation announced on August 13, 2019, that it would merge with Viacom for the second time to form ViacomCBS (now known as Paramount Global ). The merger was completed on December 4. The first incarnation of Viacom
7605-440: The first outdoor remote broadcast of The Derby . In 1932, he demonstrated ultra-short wave television. Baird's mechanical system reached a peak of 240 lines of resolution on BBC telecasts in 1936, though the mechanical system did not scan the televised scene directly. Instead, a 17.5 mm film was shot, rapidly developed, and then scanned while the film was still wet. A U.S. inventor, Charles Francis Jenkins , also pioneered
7722-431: The following ten years, most network broadcasts and nearly all local programming continued to be black-and-white. It was not until the mid-1960s that color sets started selling in large numbers, due in part to the color transition of 1965, in which it was announced that over half of all network prime-time programming would be broadcast in color that fall. The first all-color prime-time season came just one year later. In 1972,
7839-417: The iconoscope (or Emitron) produced an electronic signal and concluded that its real efficiency was only about 5% of the theoretical maximum. They solved this problem by developing and patenting in 1934 two new camera tubes dubbed super-Emitron and CPS Emitron . The super-Emitron was between ten and fifteen times more sensitive than the original Emitron and iconoscope tubes, and, in some cases, this ratio
7956-669: The industrial standard for public broadcasting in Europe from 1936 until 1960, when it was replaced by the vidicon and plumbicon tubes. Indeed, it represented the European tradition in electronic tubes competing against the American tradition represented by the image orthicon. The German company Heimann produced the Superikonoskop for the 1936 Berlin Olympic Games, later Heimann also produced and commercialized it from 1940 to 1955; finally
8073-437: The invention of the first working transistor at Bell Labs , Sony founder Masaru Ibuka predicted in 1952 that the transition to electronic circuits made of transistors would lead to smaller and more portable television sets. The first fully transistorized, portable solid-state television set was the 8-inch Sony TV8-301 , developed in 1959 and released in 1960. This began the transformation of television viewership from
8190-401: The last holdout among daytime network programs converted to color, resulting in the first completely all-color network season. Early color sets were either floor-standing console models or tabletop versions nearly as bulky and heavy, so in practice they remained firmly anchored in one place. GE 's relatively compact and lightweight Porta-Color set was introduced in the spring of 1966. It used
8307-464: The last of these had converted to color. By the early 1980s, B&W sets had been pushed into niche markets, notably low-power uses, small portable sets, or for use as video monitor screens in lower-cost consumer equipment. By the late 1980s, even these last holdout niche B&W environments had inevitably shifted to color sets. Digital television (DTV) is the transmission of audio and video by digitally processed and multiplexed signals, in contrast to
8424-624: The latter company. As a result, Paramount Domestic Television became CBS Paramount Domestic Television . That was in turn merged with King World Productions in 2007 to become CBS Television Distribution (CTD). However, because National Amusements retained majority control of both CBS and the new Viacom, CBS programs (including those under the original Paramount Television name) are still distributed by Paramount Home Entertainment ; starting in 2005, they have been released through CBS DVD/Blu-ray . However, some former Paramount programs, such as Entertainment Tonight , then moved from being produced at
8541-466: The original Campbell-Swinton's selenium-coated plate. Although others had experimented with using a cathode-ray tube as a receiver, the concept of using one as a transmitter was novel. The first cathode-ray tube to use a hot cathode was developed by John B. Johnson (who gave his name to the term Johnson noise ) and Harry Weiner Weinhart of Western Electric , and became a commercial product in 1922. In 1926, Hungarian engineer Kálmán Tihanyi designed
8658-456: The phosphors deposited on their outside faces instead of Baird's 3D patterning on a flat surface. The Penetron used three layers of phosphor on top of each other and increased the power of the beam to reach the upper layers when drawing those colors. The Chromatron used a set of focusing wires to select the colored phosphors arranged in vertical stripes on the tube. One of the great technical challenges of introducing color broadcast television
8775-635: The possibility of a digital television signal. This breakthrough was of such significance that the FCC was persuaded to delay its decision on an ATV standard until a digitally-based standard could be developed. CBS Corporation The second incarnation of CBS Corporation (the first being a short-lived rename of the Westinghouse Electric Corporation ) was an American multinational media company with interests primarily in commercial broadcasting , publishing , and television production . It
8892-404: The program and Tribune producing the series. Also that year, Paramount Domestic Television made its first foray into late-night television with the debut of The Arsenio Hall Show , hosted by Arsenio Hall himself. In 1990, Tribune and Paramount parted ways, with Tribune handling sales of the show in-house. In 1990, Maury Povich signed them to an exclusive pact with the studio. He then developed
9009-507: The public at this time, viewing of the color field tests was restricted to RCA and CBS engineers and the invited press. The War Production Board halted the manufacture of television and radio equipment for civilian use from 22 April 1942 to 20 August 1945, limiting any opportunity to introduce color television to the general public. As early as 1940, Baird had started work on a fully electronic system he called Telechrome . Early Telechrome devices used two electron guns aimed at either side of
9126-512: The receiver, a type of Kerr cell modulated the light, and a series of differently angled mirrors attached to the edge of a rotating disc scanned the modulated beam onto the display screen. A separate circuit regulated synchronization. The 8x8 pixel resolution in this proof-of-concept demonstration was just sufficient to clearly transmit individual letters of the alphabet. An updated image was transmitted "several times" each second. In 1911, Boris Rosing and his student Vladimir Zworykin created
9243-415: The reproducer) marked the start of the end for mechanical systems as the dominant form of television. Mechanical television, despite its inferior image quality and generally smaller picture, would remain the primary television technology until the 1930s. The last mechanical telecasts ended in 1939 at stations run by a lot of public universities in the United States. In 1897, English physicist J. J. Thomson
9360-441: The resignation of Moonves, who opposed all attempts for a Viacom merger. The talks had started following rumors of CBS acquiring Starz from Lionsgate. Reports said that CBS and Viacom reportedly set August 8 as an informal deadline for reaching an agreement to recombine the two media companies. As part of the re-merger deal, CBS acquired Viacom for up to $ 15.4 billion. On August 13, 2019, CBS and Viacom agreed to merge into
9477-561: The resolution of the color information to conserve bandwidth. As black-and-white televisions could receive the same transmission and display it in black-and-white, the color system adopted is [backwards] "compatible." ("Compatible Color," featured in RCA advertisements of the period, is mentioned in the song " America ," of West Side Story , 1957.) The brightness image remained compatible with existing black-and-white television sets at slightly reduced resolution. In contrast, color televisions could decode
9594-558: The results of some "not very successful experiments" he had conducted with G. M. Minchin and J. C. M. Stanton. 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. These experiments were conducted before March 1914, when Minchin died, but they were later repeated by two different teams in 1937, by H. Miller and J. W. Strange from EMI , and by H. Iams and A. Rose from RCA . Both teams successfully transmitted "very faint" images with
9711-499: The second-largest owner of radio stations in the United States. In the same year, CBS purchased Australian broadcaster Network 10 . The network was previously in voluntary administration . As of November 2018, CBS Corporation ranked 197th on the Fortune 500 list of the largest United States corporations by revenue. CBS Corp. sold Television City to Los Angeles real estate investment company Hackman Capital Partners for $ 750 million in
9828-449: The signal to individual television receivers. Alternatively, television signals are distributed by coaxial cable or optical fiber , satellite systems, and, since the 2000s, via the Internet. Until the early 2000s, these were transmitted as analog signals, but a transition to digital television was expected to be completed worldwide by the late 2010s. A standard television set consists of multiple internal electronic circuits , including
9945-576: The significance of the Bell Labs demonstration: "It was, in fact, the best demonstration of a mechanical television system ever made to this time. It would be several years before any other system could even begin to compare with it in picture quality." In 1928, WRGB , then W2XB, was started as the world's first television station. It broadcast from the General Electric facility in Schenectady, NY . It
10062-634: The spectrum of colors at the transmitting end and could not have worked as he described it. Another inventor, Hovannes Adamian , also experimented with color television as early as 1907. The first color television project is claimed by him, and was patented in Germany on 31 March 1908, patent No. 197183, then in Britain, on 1 April 1908, patent No. 7219, in France (patent No. 390326) and in Russia in 1910 (patent No. 17912). Scottish inventor John Logie Baird demonstrated
10179-625: The split, but instead, it dropped approximately 20 percent, while CBS Corporation rose 9 percent, that same year, Paramount Parks became a wholly-owned theme park unit of CBS Corporation. In January 2006, CBS and DIC Entertainment signed a multi-year deal in which DIC bought the Saturday morning airtime as "CBS's Saturday Morning Secret Slumber Party". In June 2006, DiC added a production partner AOL's KOL. Thus, this block would be called " KOL's Saturday Morning Secret Slumber Party on CBS ". On January 24, 2006, CBS Corporation and Warner Bros. created
10296-546: The system was improved further by eliminating a motor generator so that his television system had no mechanical parts. That year, Farnsworth transmitted the first live human images with his system, including a three and a half-inch image of his wife Elma ("Pem") with her eyes closed (possibly due to the bright lighting required). Meanwhile, Vladimir Zworykin also experimented with the cathode-ray tube to create and show images. While working for Westinghouse Electric in 1923, he began to develop an electronic camera tube. However, in
10413-551: The talk show, which was aired from 1991 to 1998. After that company was sold to Viacom in 1994, it absorbed the distribution functions of Viacom Enterprises the next year. Viacom had distributed the classic CBS library which included the pre-1960 Desilu library, alongside series from Viacom Productions and Carsey-Werner Productions library (Paramount lost the rights to the latter library in late 1994 when Carsey-Werner formed its own in-house distribution unit). PDT also gained syndication rights to series from MTV Networks with
10530-625: The television. He published an article on "Motion Pictures by Wireless" in 1913, transmitted moving silhouette images for witnesses in December 1923, and on 13 June 1925, publicly demonstrated synchronized transmission of silhouette pictures. In 1925, Jenkins used the Nipkow disk and transmitted the silhouette image of a toy windmill in motion over a distance of 5 miles (8 km), from a naval radio station in Maryland to his laboratory in Washington, D.C., using
10647-537: The term dates back to 1900, when the Russian scientist Constantin Perskyi used it 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. The anglicized version of the term is first attested in 1907, when it was still "...a theoretical system to transmit moving images over telegraph or telephone wires ". It
10764-561: The tube throughout each scanning cycle. The device was first described in a patent application he filed in Hungary in March 1926 for a television system he called "Radioskop". After further refinements included in a 1928 patent application, Tihanyi's patent was declared void in Great Britain in 1930, so he applied for patents in the United States. Although his breakthrough would be incorporated into
10881-513: The use of a CRT as a display device. The Braun tube became the foundation of 20th century television. In 1906 the Germans Max Dieckmann and Gustav Glage produced raster images for the first time in a CRT. In 1907, Russian scientist Boris Rosing used a CRT in the receiving end of an experimental video signal to form a picture. He managed to display simple geometric shapes onto the screen. In 1908, Alan Archibald Campbell-Swinton ,
10998-670: The virtual world Second Life to promote its show Two and a Half Men . Another project that Electric Sheep was working on for CBS was a Star Trek -themed area in Second Life. By investing in Electric Sheep, CBS hoped to expand its activity "beyond the living room". On March 20, CBS/CSTV had acquired MaxPreps , an online high school sports network. On April 12, CBS Corporation created the CBS Interactive Audience Network. On May 30, 2007, CBS Interactive bought Last.fm for £140 million. On May 15, 2008, CBS Interactive agreed to buy CNET Networks for $ 1.8 billion, with
11115-487: The widespread adoption of television. On 7 September 1927, U.S. inventor Philo Farnsworth 's image dissector camera tube transmitted its first image, a simple straight line, at his laboratory at 202 Green Street in San Francisco. By 3 September 1928, Farnsworth had developed the system sufficiently to hold a demonstration for the press. This is widely regarded as the first electronic television demonstration. In 1929,
11232-430: The work of Nipkow and others. However, it was not until 1907 that developments in amplification tube technology by Lee de Forest and Arthur Korn , among others, made the design practical. The first demonstration of the live transmission of images was by Georges Rignoux and A. Fournier in Paris in 1909. A matrix of 64 selenium cells, individually wired to a mechanical commutator , served as an electronic retina . In
11349-457: The world's first color transmission on 3 July 1928, using scanning discs at the transmitting and receiving ends with three spirals of apertures, each spiral with filters of a different primary color, and three light sources at the receiving end, with a commutator to alternate their illumination. Baird also made the world's first color broadcast on 4 February 1938, sending a mechanically scanned 120-line image from Baird's Crystal Palace studios to
11466-541: The world's first public demonstration of an all-electronic television system, using a live camera, at the Franklin Institute of Philadelphia on 25 August 1934 and for ten days afterward. Mexican inventor Guillermo González Camarena also played an important role in early television. His experiments with television (known as telectroescopía at first) began in 1931 and led to a patent for the "trichromatic field sequential system" color television in 1940. In Britain,
11583-458: Was "...formed in English or borrowed from French télévision ." In the 19th century and early 20th century, other "...proposals for the name of a then-hypothetical technology for sending pictures over distance were telephote (1880) and televista (1904)." The abbreviation TV is from 1948. The use of the term to mean "a television set " dates from 1941. The use of the term to mean "television as
11700-454: Was able, in his three well-known experiments, to deflect cathode rays, a fundamental function of the modern cathode-ray tube (CRT). The earliest version of the CRT was invented by the German physicist Ferdinand Braun in 1897 and is also known as the "Braun" tube. It was a cold-cathode diode , a modification of the Crookes tube , with a phosphor -coated screen. Braun was the first to conceive
11817-516: Was acquired by CBS on March 12, 2019. On July 16, CBS agreed to sell CBS Outdoor International to Platinum Equity for about $ 225 million. The CBS Outdoor division began trading as a separate company on the NYSE under "CBSO" on March 28, 2014. CBS Outdoor would be fully divested from CBS by July into an independent real estate investment trust, renamed as Outfront Media . On November 17, 2017, CBS Corporation sold CBS Radio to Entercom , making that company
11934-509: Was considerably greater. It was used for outside broadcasting by the BBC, for the first time, on Armistice Day 1937, when the general public could watch on a television set as the King laid a wreath at the Cenotaph. This was the first time that anyone had broadcast a live street scene from cameras installed on the roof of neighboring buildings because neither Farnsworth nor RCA would do the same until
12051-522: Was created in 1952 as the television syndication division of CBS and was spun off in 1971. However, in 1999, Viacom acquired its former parent, by this time also named CBS Corporation, formerly Westinghouse Electric . The prior CBS Corporation also owned CMT and The Nashville Network (TNN), which remained Viacom properties after the 2005 split, but the prior CBS did not own UPN , Showtime , Paramount Television , Paramount Parks , or Simon & Schuster . In March 2005, Viacom contemplated splitting
12168-637: Was designed in the Soviet Union in 1944 and became a national standard in 1946. The first broadcast in 625-line standard occurred in Moscow in 1948. The concept of 625 lines per frame was subsequently implemented in the European CCIR standard. In 1936, Kálmán Tihanyi described the principle of plasma display , the first flat-panel display system. Early electronic television sets were large and bulky, with analog circuits made of vacuum tubes . Following
12285-504: Was formed on December 31, 2005, as the legal successor of the original Viacom , following the spin-off of the second incarnation of Viacom ; both CBS Corporation and the second Viacom were controlled by National Amusements , a theater company owned by billionaire Sumner Redstone . CBS Corporation comprised the over-the-air television ( CBS and The CW ) broadcasting, television production and distribution , publishing , pay-cable , and recording assets that were previously owned by
12402-411: Was more reliable and visibly superior. This was the world's first regular "high-definition" television service. The original U.S. iconoscope was noisy, had a high ratio of interference to signal, and ultimately gave disappointing results, especially compared to the high-definition mechanical scanning systems that became available. The EMI team, under the supervision of Isaac Shoenberg , analyzed how
12519-408: Was not until the 1990s that digital television became possible. Digital television was previously not practically possible due to the impractically high bandwidth requirements of uncompressed digital video , requiring around 200 Mbit/s for a standard-definition television (SDTV) signal, and over 1 Gbit/s for high-definition television (HDTV). A digital television service
12636-410: Was one by Maurice Le Blanc in 1880 for a color system, including the first mentions in television literature of line and frame scanning. Polish inventor Jan Szczepanik patented a color television system in 1897, using a selenium photoelectric cell at the transmitter and an electromagnet controlling an oscillating mirror and a moving prism at the receiver. But his system contained no means of analyzing
12753-842: Was partly mechanical, with a disc made of red, blue, and green filters spinning inside the television camera at 1,200 rpm and a similar disc spinning in synchronization in front of the cathode-ray tube inside the receiver set. The system was first demonstrated to the Federal Communications Commission (FCC) on 29 August 1940 and shown to the press on 4 September. CBS began experimental color field tests using film as early as 28 August 1940 and live cameras by 12 November. NBC (owned by RCA) made its first field test of color television on 20 February 1941. CBS began daily color field tests on 1 June 1941. These color systems were not compatible with existing black-and-white television sets , and, as no color television sets were available to
12870-541: Was planned and Disney 's plan to acquire bulk of 21st Century Fox assets and the heavy competition from companies such as Netflix and Amazon . Shortly afterward, it was reported that the combined company could be a suitor for acquiring the film studio Lionsgate (which handled US distribution and global sales for CBS Films ). A re-merger could benefit CBS's streaming service CBS All Access , as it could potentially have access to content from core Viacom brands such as Comedy Central , MTV , and Nickelodeon , as well as
12987-518: Was popularly known as " WGY Television." Meanwhile, in the Soviet Union , Leon Theremin had been developing a mirror drum-based television, starting with 16 lines resolution in 1925, then 32 lines, and eventually 64 using interlacing in 1926. As part of his thesis, on 7 May 1926, he electrically transmitted and then projected near-simultaneous moving images on a 5-square-foot (0.46 m ) screen. By 1927 Theremin had achieved an image of 100 lines,
13104-512: Was proposed in 1986 by Nippon Telegraph and Telephone (NTT) and the Ministry of Posts and Telecommunication (MPT) in Japan, where there were plans to develop an "Integrated Network System" service. However, it was not possible to implement such a digital television service practically until the adoption of DCT video compression technology made it possible in the early 1990s. In the mid-1980s, as Japanese consumer electronics firms forged ahead with
13221-505: Was reported these conflicts had resulted from Shari Redstone seeking more control over CBS and its leadership. Eventually, on May 14, 2018, CBS Corporation sued National Amusements and accused Shari Redstone of abusing her voting power and forcing a merger that was not supported by it or Viacom . CBS also accused Redstone of discouraging Verizon Communications from acquiring it, which could have been beneficial to its shareholders. On May 23, 2018, Les Moonves stated that he considered
13338-486: Was spun off from the first Viacom, which was renamed CBS Corporation. In a sense, this was a repeat of the 1971 spin-off. However, in this case, CBS retained virtually all of the prior firm's broadcast television assets, including its various syndication companies. With the split, the two companies began trading on the New York Stock Exchange (NYSE) on January 3, 2006. Investors anticipated Viacom benefiting from
13455-500: Was the desire to conserve bandwidth , potentially three times that of the existing black-and-white standards, and not use an excessive amount of radio spectrum . In the United States, after considerable research, the National Television Systems Committee approved an all-electronic system developed by RCA , which encoded the color information separately from the brightness information and significantly reduced
13572-500: Was unable or unwilling to introduce evidence of a working model of his tube that was based on his 1923 patent application. In September 1939, after losing an appeal in the courts and being determined to go forward with the commercial manufacturing of television equipment, RCA agreed to pay Farnsworth US$ 1 million over ten years, in addition to license payments, to use his patents. In 1933, RCA introduced an improved camera tube that relied on Tihanyi's charge storage principle. Called
13689-419: Was varied in proportion to the brightness of each spot on the image. As each hole in the disk passed by, one scan line of the image was reproduced. Baird's disk had 30 holes, producing an image with only 30 scan lines, just enough to recognize a human face. In 1927, Baird transmitted a signal over 438 miles (705 km) of telephone line between London and Glasgow . Baird's original 'televisor' now resides in
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