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China introduced logos in 1983 on the bottom-left corner of the screen, but they were used only during commercial breaks and clock idents. [definition needed] Later China Central Television (CCTV) introduced permanent DOGs for all programs in 1992, on the top-left corner of the screen. China also displays a clock on top-right corner of the ...
However, cable operators have still been slow to add ATSC channels to their lineups for legal, regulatory, and plant & equipment related reasons. One key technical and regulatory issue is the modulation scheme used on the cable: cable operators in the U.S. (and to a lesser extent Canada) can determine their own method of modulation for their ...
DTT started on November 1, 2008, for Lisbon and Castelo Branco, and on April 26, 2009, for 80% of the country, and the government plans to cover the rest of the country until 2010-2011 New Year's Eve. Analog will then be switched off 6 months after TDT covers 87% of the country via terrestrial transmitters and 13% via satellite complementary ...
Analog satellite receivers were still used by 6% of households in 2010 as the highest in Europe. The analog satellite transmissions (broadcasting on Astra 19.2°E) were switched off on 30 April 2012, being the last in Europe. However, analog cable is still used by about 30% of the population and 55% of all cable broadcasts.
2G, or second-generation cellular network technology, marks the transition from analog to digital communication in mobile networks. Defined by the European Telecommunications Standards Institute (ETSI) under the GSM standard, which became the first globally adopted framework for mobile communications, 2G was first commercially launched in 1991 by Radiolinja (now part of Elisa Oyj) in Finland. [1]
The earliest CRTs were monochrome and were used primarily in oscilloscopes and black and white televisions. The first commercial colour CRT was produced in 1954. CRTs were the single most popular display technology used in television sets and computer monitors for over half a century; it was not until the 2000s that LCDs began to gradually ...
Miles per hour (mph, m.p.h., MPH, or mi/h) is a British imperial and United States customary unit of speed expressing the number of miles travelled in one hour. It is used in the United Kingdom , the United States , and a number of smaller countries, most of which are UK or US territories, or have close historical ties with the UK or US.
Stadium seating in a digital cinema theater. Digital cinema is the digital technology used within the film industry to distribute or project motion pictures as opposed to the historical use of reels of motion picture film, such as 35 mm film.