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Indian-head Test Pattern
The Indian-head test pattern is a test card created by RCA of Harrison, New Jersey, which became the standard image of the RCA TK-1 monoscope. It features a drawing of a Native American wearing a headdress and numerous graphic elements designed to test different aspects of broadcast display. The card was introduced in 1939 and over the course of the black-and-white television broadcasting era was widely adopted by television stations across North America. As television broadcasting ritual The Indian-head test pattern became familiar to the large baby boom TV audiences in America from 1947 onwards; it would often follow the formal television station sign-off after the United States national anthem. The Indian head was also used by the Canadian Broadcasting Corporation (CBC) in Canada in conjunction with its own monochrome test pattern, following the Canadian national anthem sign-off in the evening, and during its final years in the late-1970s and early-1980s it was shown bef ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
RCA Indian Head Test Pattern
The RCA Corporation was a major American electronics company, which was founded as the Radio Corporation of America in 1919. It was initially a patent pool, patent trust owned by General Electric (GE), Westinghouse Electric Corporation, Westinghouse, AT&T Corporation and United Fruit Company. In 1932, RCA became an independent company after the partners were required to divest their ownership as part of the settlement of a government United States antitrust law, antitrust suit. An innovative and progressive company, RCA was the dominant electronics and communications firm in the United States for over five decades. RCA was at the forefront of the mushrooming radio industry in the early 1920s, as a major manufacturer of radio receivers, and the exclusive manufacturer of the first superheterodyne sets. RCA also created the first nationwide American radio network, the NBC, National Broadcasting Company (NBC). The company was also a pioneer in the introduction and development of te ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Southern Rhodesia
Southern Rhodesia was a landlocked self-governing British Crown colony in southern Africa, established in 1923 and consisting of British South Africa Company (BSAC) territories lying south of the Zambezi River. The region was informally known as south Zambesia until annexed by Britain at the behest of Cecil Rhodes's British South Africa Company, for whom the colony was named. The bounding territories were Bechuanaland (Botswana), Northern Rhodesia (Zambia), Moçambique (Mozambique), and the Transvaal Republic (for two brief periods instead the British Transvaal Colony, from 1910 the Union of South Africa, and then from 1961 the Republic of South Africa). This southern region, known for its extensive gold reserves, was first purchased by the BSAC's Pioneer Column on the strength of a Mineral Concession extracted from its Matabele overlord, Lobengula, and various majority Mashona vassal chiefs in 1890. Though parts of the territory were laid claim to by the Bechuana and Po ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
KTH Royal Institute Of Technology
The KTH Royal Institute of Technology ( sv, Kungliga Tekniska högskolan, lit=Royal Institute of Technology), abbreviated KTH, is a public research university in Stockholm, Sweden. KTH conducts research and education in engineering and technology and is Sweden's largest technical university. Currently, KTH consists of five schools with four campuses in and around Stockholm. KTH was established in 1827 as the ''Teknologiska institutet (Institute of Technology)'' and had its roots in the ''Mekaniska skolan (School of Mechanics)'' that was established in 1798 in Stockholm. But the origin of KTH dates back to the predecessor of the ''Mekaniska skolan'', the ''Laboratorium mechanicum'', which was established in 1697 by the Swedish scientist and innovator Christopher Polhem. The Laboratorium mechanicum combined education technology, a laboratory, and an exhibition space for innovations. In 1877 KTH received its current name, Kungliga Tekniska högskolan (KTH Royal Institute of Technol ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sweden
Sweden, formally the Kingdom of Sweden,The United Nations Group of Experts on Geographical Names states that the country's formal name is the Kingdom of SwedenUNGEGN World Geographical Names, Sweden./ref> is a Nordic country located on the Scandinavian Peninsula in Northern Europe. It borders Norway to the west and north, Finland to the east, and is connected to Denmark in the southwest by a bridgetunnel across the Öresund. At , Sweden is the largest Nordic country, the third-largest country in the European Union, and the fifth-largest country in Europe. The capital and largest city is Stockholm. Sweden has a total population of 10.5 million, and a low population density of , with around 87% of Swedes residing in urban areas in the central and southern half of the country. Sweden has a nature dominated by forests and a large amount of lakes, including some of the largest in Europe. Many long rivers run from the Scandes range through the landscape, primarily ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
National Anthem Of The Dominican Republic
The national anthem of the Dominican Republic ( es, Himno nacional de República Dominicana), also known by its incipit Valiant Quisqueyans ( es, Quisqueyanos valientes), was composed by José Rufino Reyes y Siancas (1835–1905), and its lyrics were authored by Emilio Prud'Homme (1856–1932). History José Reyes was inspired to create a national anthem for the Dominican Republic after having seen the Argentine National Anthem in the Parisian newspaper ''El Americano''. In 1883, he invited his friend Emilio Prud'Homme to write lyrics for the anthem. The first version of Prud'Homme's lyrics was published in the weekly newspaper ''El Eco de la Opinion'' on 16 August 1883, and the first public performance of the anthem took place the next day on 17 August in Respectable Hope Lodge No. 9 in Santo Domingo. Though the music was an instant success, several objections were made to the lyrics for having various historical inaccuracies. In 1897, Prud’Homme submitted revised lyrics, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
EIA 1956 Resolution Chart
The EIA 1956 Resolution Chart (until 1975 called RETMA Resolution Chart 1956) is a test card originally designed in 1956 to be used with black and white analogue TV systems, based on the previous (and very similar) RMA 1946 Resolution Chart. It consisted of a printed chart filmed by a TV camera and displayed on a TV screen. Inspecting the chart allowed to check for defects like ringing, geometric distortions, raster scan linearity, cathode-ray tube uniformity and lack of image resolution. If needed, a technician could used it to perform the necessary hardware adjustments. Today, this chart continues to be used to measure image resolution of modern cameras and lenses and also in scientific research. Features and operation The chart is composed of several features, each designed for a specific test: *Large white circle: Allows for image geometry adjustments (image should be centered with the circles being perfectly round). *Vertical stripe boxes: A grating with a resolution of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Corporación Estatal De Radio Y Televisión
Corporación Estatal de Radio y Televisión (CERTV, ''State Radio and Television Corporation'') is a radio and television network operating from Santo Domingo in the Dominican Republic. It is a public television channel operated and owned by the Dominican government. Following the frequency unification of 1996, CERTV has been aired throughout the country on channel 4 (''canal 4''). Previously, channel 4 was broadcast in Santo Domingo and the Southern zone, channel 5 in the Northern region and channel 12 in the Southwest. History The channel was first aired on August 1, 1952 with the name '' La Voz Dominicana''. This was the first television transmitter of its kind in the country and the fifth in Latin America, after Mexico, Brazil, Cuba, and Argentina. The original owner was José Arismendy Trujillo (Petán), brother of the notorious dictator Rafael Trujillo (d. 1961). It was a combination of radio and television that transmitted live programming for six hours. ''Romance Campesi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dominican Republic
The Dominican Republic ( ; es, República Dominicana, ) is a country located on the island of Hispaniola in the Greater Antilles archipelago of the Caribbean region. It occupies the eastern five-eighths of the island, which it shares with Haiti, making Hispaniola one of only two Caribbean islands, along with Saint Martin, that is shared by two sovereign states. The Dominican Republic is the second-largest nation in the Antilles by area (after Cuba) at , and third-largest by population, with approximately 10.7 million people (2022 est.), down from 10.8 million in 2020, of whom approximately 3.3 million live in the metropolitan area of Santo Domingo, the capital city. The official language of the country is Spanish. The native Taíno people had inhabited Hispaniola before the arrival of Europeans, dividing it into five chiefdoms. They had constructed an advanced farming and hunting society, and were in the process of becoming an organized civilization. The Taínos also in ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Himno Nacional Mexicano
The "Mexican National Anthem" ( es, Himno Nacional Mexicano, nah, Mexihcaletepetlacuicalt), also known by its incipit "Mexicans, at the cry of war" ( es, Mexicanos, al grito de guerra), is the national anthem of Mexico. The anthem was first used in 1854. The lyrics of the national anthem, which allude to historical Mexican military victories in the heat of battle and including cries of defending the homeland, were composed by poet Francisco González Bocanegra after a Federal contest in 1853. Later, in 1854, he asked Jaime Nunó to compose the music that now accompanies González's poem. The national anthem, consisting of ten stanzas and a chorus, effectively entered into use on September 16, 1854. Composition Lyrics competition On November 12, 1853, President Antonio López de Santa Anna announced a competition to write a national anthem for Mexico. The competition offered a prize for the best poetic composition representing patriotic ideals. Francisco González Bocanegra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Televisa
Grupo Televisa is a Mexican multimedia mass media company. A major Latin American mass media corporation, it often presents itself as the largest producer of Spanish-language content. In April 2021, Televisa and Univision Communications announced that they had proposed a merger between Televisa's media and entertainment assets with Univision, which would form a new company to be known as TelevisaUnivision. The transaction was completed on January 31, 2022, with Televisa owning a 45% stake of the company. Company History Since its beginning, the company has been owned by the Azcárraga family. The company has been led and owned by three generations of Azcárraga; each has marked an era for the company and, until October 2017, each had passed the ownership of the company to his son upon his death. Emilio Azcárraga Vidaurreta (1955–1972) Grupo Televisa was founded in 1955 as Telesistema Mexicano, linking Mexico's first three television stations: XHTV-TV (founded in 1950), XEW- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Telesistema Mexicano
Telesistema Mexicano was the predecessor of Televisa. Telesistema Mexicano was a television alliance made up of the independently owned television flagship stations XEW Canal 2, XHTV Canal 4, and XHGC Canal 5 in Mexico, Distrito Federal. History Telesistema Mexicano was founded in 1955 when Mexico, Distrito Federal television stations XEW Canal 2 owned by Emilio Azcárraga Vidaurreta, XHTV Canal 4 owned by Rómulo O'Farrill, XHGC Canal 5 owned by Guillermo González Camarena, and capital and expertise from Ernesto Barrientos Ventosa merged to form an alliance. In 1968 Monterrey businessmen established Televisión Independiente de México XHTM Canal 8 in Mexico, Distrito Federal to compete with Telesistema Mexico but later ended up being merged with their competitor in 1973. This last merger between Telesistema de Mexico and Televisión Independiente de México led to the creation of Television Via Satellite (Televisa Grupo Televisa is a Mexican multimedia mass media compa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gloria Al Bravo Pueblo
"" (; "Glory to the Brave People") is the national anthem of Venezuela. Its lyrics were written by physician and journalist Vicente Salias in 1810, set to music later composed by musician Juan José Landaeta. Owing to musical similarities with the French national anthem, beginning in 1840 "" was known as "" ("The Venezuelan Marseillaise"). It was declared Venezuela's national anthem by decree of President Antonio Guzmán Blanco on May 25, 1881. Recent investigations have suggested that the real author of the anthem was Andrés Bello, and not Salias, to whom it was originally credited, and the music was composed by another musician called Lino Gallardo. However, this theory has yet to be proven, and lacks any real recognition among the general Venezuelan population, historians, or otherwise. History The Patriotic Society was formed in Caracas as a result of the Revolution of April 19, 1810, One of its meetings, Existed by the Success of Its Patriotic Song, Caraqueños, Otra Ép ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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