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Mullard Equipment Limited
Mullard Limited was a British manufacturer of electronic components. The Mullard Radio Valve Co. Ltd. of Southfields, London, was founded in 1920 by Captain Stanley R. Mullard, who had previously designed thermionic valves for the Admiralty before becoming managing director of the Z Electric Lamp Co. The company soon moved to Hammersmith, London and then in 1923 to Balham, London. The head office in later years was Mullard House at 1–19 Torrington Place, Bloomsbury, now part of University College London. Start-up In 1921, the directors were Sir Ralph Ashton (chairman), Basil Binyon of the Radio Communication Co, C.F. Elwell and S.R. Mullard (Managing Director). Partnership with Philips In 1923, to meet the technical demands of the newly formed BBC, Mullard formed a partnership with the Dutch manufacturer Philips. The valves (vacuum tubes) produced in this period were named with the prefix PM, for Philips-Mullard, beginning with the PM3 and PM4 in 1926. Mullard finally ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
City
A city is a human settlement of notable size.Goodall, B. (1987) ''The Penguin Dictionary of Human Geography''. London: Penguin.Kuper, A. and Kuper, J., eds (1996) ''The Social Science Encyclopedia''. 2nd edition. London: Routledge. It can be defined as a permanent and densely settled place with administratively defined boundaries whose members work primarily on non-agricultural tasks. Cities generally have extensive systems for housing, transportation, sanitation, utilities, land use, production of goods, and communication. Their density facilitates interaction between people, government organisations and businesses, sometimes benefiting different parties in the process, such as improving efficiency of goods and service distribution. Historically, city-dwellers have been a small proportion of humanity overall, but following two centuries of unprecedented and rapid urbanization, more than half of the world population now lives in cities, which has had profound consequences for g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mitcham
Mitcham is an area within the London Borough of Merton in South London, England. It is centred southwest of Charing Cross. Originally a village in the county of Surrey, today it is mainly a residential suburb, and includes Mitcham Common. It has been a settlement throughout recorded history. Amenities include Mitcham Library and Mitcham Cricket Green. Nearby major districts are Croydon, Sutton, Streatham, Brixton and Merton. Mitcham, most broadly defined, had a population of 63,393 in 2011, formed from six wards including Pollards Hill. Location Mitcham is in the east of the London Borough of Merton. Mitcham is close to Thornton Heath, Streatham, Croydon, Sutton, and Tooting. The River Wandle bounds the town to the southwest. The original village lies in the west. Mitcham Common takes up the greater part of the boundary and the area to the south part of the CR4 postcode is in the area of Pollards Hill. Some of the area which includes Mitcham Common and parts of Mitcham Junc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Semiconductor
A semiconductor is a material which has an electrical resistivity and conductivity, electrical conductivity value falling between that of a electrical conductor, conductor, such as copper, and an insulator (electricity), insulator, such as glass. Its electrical resistivity and conductivity, resistivity falls as its temperature rises; metals behave in the opposite way. Its conducting properties may be altered in useful ways by introducing impurities ("doping (semiconductor), doping") into the crystal structure. When two differently doped regions exist in the same crystal, a semiconductor junction is created. The behavior of charge carriers, which include electrons, ions, and electron holes, at these junctions is the basis of diodes, transistors, and most modern electronics. Some examples of semiconductors are silicon, germanium, gallium arsenide, and elements near the so-called "metalloid staircase" on the periodic table. After silicon, gallium arsenide is the second-most common s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Early Mullard Small Signal Transistor Packages
{{disambiguation, geo ...
Early may refer to: History * The beginning or oldest part of a defined historical period, as opposed to middle or late periods, e.g.: ** Early Christianity ** Early modern Europe Places in the United States * Early, Iowa * Early, Texas * Early Branch, a stream in Missouri * Early County, Georgia Other uses * ''Early'' (Scritti Politti album), 2005 * ''Early'' (A Certain Ratio album), 2002 * Early (name) * Early effect, an effect in transistor physics * Early Records, a record label * the early part of the morning See also * Earley (other) Earley is a town in England. Earley may also refer to: * Earley (surname), a list of people with the surname Earley * Earley (given name), a variant of the given name Earlene * Earley Lake, a lake in Minnesota *Earley parser, an algorithm *Earley ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Teletext
A British Ceefax football index page from October 2009, showing the three-digit page numbers for a variety of football news stories Teletext, or broadcast teletext, is a standard for displaying text and rudimentary graphics on suitably equipped television sets. Teletext sends data in the broadcast signal, hidden in the invisible vertical blanking interval area at the top and bottom of the screen. The teletext decoder in the television buffers this information as a series of "pages", each given a number. The user can display chosen pages using their remote control. In broad terms, it can be considered as Videotex, a system for the delivery of information to a user in a computer-like format, typically displayed on a television or a dumb terminal, but that designation is usually reserved for systems that provide bi-directional communication, such as Prestel or Minitel. Teletext was created in the United Kingdom in the early 1970s by John Adams, Philips' lead designer for video di ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
SAA5050
The Mullard SAA5050 was a character generator chip for implementing the Teletext character set. The SAA5050 was used in teletext-equipped television sets, viewdata terminals, and microcomputers, most notably on computers like the Philips P2000 (1980), Acorn System 2 (1980), BBC Micro (1982), Malzak and the Poly-1. This chip was also manufactured by Mullard for Philips. Operation The chip generated appropriate video output for a 7-bit input character code representing the current character on the text line, while keeping track of the effect of any of the various control characters defined by the teletext standard that had previously occurred in that text line, which could be used to change the foreground and background colour, switch to or from the alternate block graphics character set, or various other effects. Full-screen resolution generated by the SAA5050 was 480×500 pixels, corresponding to 40×25 characters. Each character position therefore corresponded to a 12×20 pi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Haydock
Haydock is a village within the Metropolitan Borough of St Helens, in Merseyside, England. At the 2011 Census, it had a population of 11,416 Haydock's historic area covers the Haydock electoral ward and a section of the Blackbrook ward. Haydock is located within the boundaries of the historic county of Lancashire. The village is located to the north-east of the adjacent St Helens, with most of its residential estates and commercial property built either side of the A599. Historically a township and large pastoral area, Haydock was found to be rich with coal and the area grew in significance during the Industrial Revolution particularly with the coming of the canals and railways. In the 1930s, the north side of Haydock was bisected by the A580 East Lancashire Road; this dual carriageway connected the cities of Liverpool and Manchester, with several junctions serving St Helens and Haydock. The area to the south of the East Lancs road saw large post-war residential development, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lytham St
Lytham St Annes () is a seaside town in the Borough of Fylde in Lancashire, England. It is on the Fylde coast, directly south of Blackpool on the Ribble Estuary. The population at the 2011 census was 42,954. The town is almost contiguous with Blackpool but is separated from it by Blackpool Airport. The town is made up of the four areas of Lytham, Ansdell, Fairhaven and St Annes-on-Sea. Lytham St Annes has four golf courses and links, the most notable being the Royal Lytham & St Annes Golf Club, which regularly hosts the Open Championship. Lytham St Annes is a reasonably affluent area with residents' earnings among the highest in the North of England. Towns and districts Lytham St Annes consists of four main areas: Lytham, Saint Anne's-on-the-Sea, Ansdell and Fairhaven. Lytham The name Lytham comes from the Old English ''hlithum,'' plural of ''hlith'' meaning (place at) the slopes'.'' The Green, a strip of grass running between the shore and the main coastal road, is a not ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fleetwood
Fleetwood is a coastal town in the Borough of Wyre in Lancashire, England, at the northwest corner of the Fylde. It had a population of 25,939 at the United Kingdom Census 2011, 2011 census. Fleetwood acquired its modern character in the 1830s, when the principal landowner Peter Hesketh-Fleetwood, High Sheriff and MP, conceived an ambitious plan to re-develop the town to make it a busy seaport and railway spur. He commissioned the Victorian architect Decimus Burton to design a number of substantial civic buildings, including two lighthouses. Hesketh-Fleetwood's transport terminus schemes failed to materialise. The town expanded greatly in the first half of the 20th century with the growth of the fishing industry, and passenger ferries to the Isle of Man, to become a Commercial trawler, deep-sea fishing port. Decline of the fishing industry began in the 1960s, hastened by the Cod Wars with Iceland, though fish processing is still a major economic activity in Fleetwood. The town ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Journal (Newcastle Upon Tyne Newspaper)
''The Journal'' is a daily newspaper produced in Newcastle upon Tyne. Published by ncjMedia, (a division of Reach plc), ''The Journal'' is produced every weekday and Saturday morning and is complemented by its sister publications the '' Evening Chronicle'' and the ''Sunday Sun''. The newspaper mainly has a middle-class and professional readership throughout North East England, covering a mixture of regional, national and international news. It also has a daily business section and sports page as well as the monthly ''Culture'' magazine and weekly property supplement Homemaker. News coverage about farming is also an important part of the paper with a high readership in rural Northumberland. It was the named sponsor of Tyne Theatre on Westgate Road during the 2000s, until January 2012. The first edition of the ''Newcastle Journal'' was printed on 12 May 1832, and subsequent Saturdays, by Hernaman and Perring, 69 Pilgrim Street, Newcastle. On 12 May 2007, ''The Journal'' celeb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Durham, England
Durham ( , locally ), is a cathedral city and civil parish on the River Wear, County Durham, England. It is an administrative centre of the County Durham District, which is a successor to the historic County Palatine of Durham (which is different to both the ceremonial county and district of County Durham). The settlement was founded over the final resting place of St Cuthbert. Durham Cathedral was a centre of pilgrimage in medieval England while the Durham Castle has been the home of Durham University since 1832. Both built in 11th-century, the buildings were designated as a World Heritage Site by UNESCO in 1986. HM Prison Durham is also located close to the city centre and was built in 1816. Name The name "Durham" comes from the Brythonic element , signifying a hill fort and related to -ton, and the Old Norse , which translates to island.Surtees, R. (1816) ''History and Antiquities of the County Palatine of Durham'' (Classical County Histories) The Lord Bishop of Durh ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Simonstone, Lancashire
Simonstone is a small village and civil parishes in England, civil parish in the Ribble Valley district of Lancashire, England. The population of the civil parish taken at the United Kingdom Census 2011, 2011 census was 1,154. It is about west of Burnley and south of Pendle Hill and Clitheroe along the A671 road. The village adjoins the village of Read, Lancashire and neighbours Padiham. History St Peter's CE Church is the local Church of England building in the village and was founded in 1841. The interior of the building is modern and part is also used as the school hall and gym during the week. The building dates from 1879 and was originally a National school (England and Wales), National School. The Higher Trapp Hotel is part of the Best Western chain of hotels. It was originally built in the early 1900s as a private house, and now converted into a country hotel with 29 bedrooms. Simonstone railway station was south of the village and closed in 1957. Granville Technology ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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