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Perdio Radio was a British electronics company (Perdio Electronics Limited) founded by Derek Willmott (born 4 January 1924) and Joyce Willmott in 1955. Former RAF pilot Derek Willmott was a DECCA researcher developing RADAR applications and was already an inventor, with designs for multiple miniaturisation applications in consumer electronics, including designs for portable personal tape players (similar to the later success of Sony's Walkman) and small radios and televisions. The newly available transistors allowed the Willmotts to enter the market with Perdio, producing the PR1 in 1957. A 5 Transistor design meant a highly compact and efficient unit which led on to production of 56 models bearing the Perdio name. Perdio also produced the Portarama Television set currently on display in Londons Science Museum along with a 'Spinny' radio.
In 1962, the name changed to Perdio Electronics Ltd, Bonhill Street, London, EC2 (when Perdio became a public company) and opened a factory on Pallion Trading Estate in Sunderland.
Perdio went into receivership in 1965. By 1965, Perdio also owned: Kenure-Holt Electronics and Electric Audio Reproducers ("EAR") Ltd.
Sir Clive Marles Sinclair was an English entrepreneur and inventor, best known for being a pioneer in the computing industry, and also as the founder of several companies that developed consumer electronics in the 1970s and early 1980s.
Consumer electronics or home electronics are electronic equipment intended for everyday use, typically in private homes. Consumer electronics include devices used for entertainment, communications and recreation. Usually referred to as black goods due to many products being housed in black or dark casings. This term is used to distinguish them from "white goods" which are meant for housekeeping tasks, such as washing machines and refrigerators, although nowadays, these would be considered black goods, some of these being connected to the Internet. In British English, they are often called brown goods by producers and sellers. In the 2010s, this distinction is absent in large big box consumer electronics stores, which sell entertainment, communication and home office devices, light fixtures and appliances, including the bathroom type.
A transistor radio is a small portable radio receiver that uses transistor-based circuitry. Following the invention of the transistor in 1947—which revolutionized the field of consumer electronics by introducing small but powerful, convenient hand-held devices—the Regency TR-1 was released in 1954 becoming the first commercial transistor radio. The mass-market success of the smaller and cheaper Sony TR-63, released in 1957, led to the transistor radio becoming the most popular electronic communication device of the 1960s and 1970s. Transistor radios are still commonly used as car radios. Billions of transistor radios are estimated to have been sold worldwide between the 1950s and 2012.
Aiwa (アイワ) is a consumer electronics brand owned and used by various companies in different regions of the world. American and other regions are owned by Chicago-based Aiwa Corporation. Towada Audio based in Tokyo owns the rights to the brand in Japan and other countries, and has been manufacturing Aiwa-branded products since 2017. In Mexico and other countries in Latin America, the rights are owned by Audio Mobile Americas, S.A.
A television set or television receiver, more commonly called the television, TV, TV set, telly, tele, or tube, is a device that combines a tuner, display, and loudspeakers, for the purpose of viewing and hearing television broadcasts, or using it as a computer monitor. Introduced in the late 1920s in mechanical form, television sets became a popular consumer product after World War II in electronic form, using cathode ray tube (CRT) technology. The addition of color to broadcast television after 1953 further increased the popularity of television sets in the 1960s, and an outdoor antenna became a common feature of suburban homes. The ubiquitous television set became the display device for the first recorded media in the 1970s, such as Betamax, VHS and later DVD. It has been used as a display device since the first generation of home computers and dedicated video game consoles in the 1980s. By the early 2010s, flat-panel television incorporating liquid-crystal display (LCD) technology, especially LED-backlit LCD technology, largely replaced CRT and other display technologies. Modern flat panel TVs are typically capable of high-definition display and can also play content from a USB device. Starting in the late 2010s, most flat panel TVs began to offer 4K and 8K resolutions.
Roberts Radio is a British consumer electronics company that produces radios and related audio equipment. Based in Mexborough, the company has been making radios since its foundation in 1932 and claim to be the oldest active radio manufacturer in the UK.
Pye Ltd was an electronics company founded in 1896 in Cambridge, England, as a manufacturer of scientific instruments. The company merged with EKCO in 1960. Philips of the Netherlands acquired a majority shareholding in 1967, and later gained full ownership.
Philco is an American electronics manufacturer headquartered in Philadelphia. Philco was a pioneer in battery, radio, and television production. In 1961 the company was purchased by Ford and renamed "Philco-Ford" from 1966. Ford sold the company to GTE in 1974, and it was purchased by Philips in 1981. In North America, the Philco brand is currently owned by Philips. In other markets, the Philco International brand is owned by Electrolux.
Marconi Instruments Limited (MI) was a British company, one of the Marconi group of companies, formerly part of GEC. Originally formed in 1936, there was a buyout of Marconi-Ekco Instruments to form the company Marconi Instruments in 1941.
Bush is a British consumer electronics brand owned by J Sainsbury plc (Sainsbury's), the parent company of the retailer Argos. The former Bush company is one of the most famous manufacturers of early British radios. The company is now defunct, but the Bush brand name survives as a private label brand for budget electronics. Today, all Bush are sold exclusively at Argos and Sainsbury's, with Argos having a wider selection.
Brionvega is an Italian electronics company, established in Milan in 1945, now located in Pordenone, Friuli-Venezia Giulia, Italy.
Here is the further information about the history of Sony, an iconic Japanese multinational conglomerate company.
A transistor is a semiconductor device with at least three terminals for connection to an electric circuit. In the common case, the third terminal controls the flow of current between the other two terminals. This can be used for amplification, as in the case of a radio receiver, or for rapid switching, as in the case of digital circuits. The transistor replaced the vacuum-tube triode, also called a (thermionic) valve, which was much larger in size and used significantly more power to operate.The first transistor was successfully demonstrated on December 23, 1947, at Bell Laboratories in Murray Hill, New Jersey. Bell Labs is the research arm of American Telephone and Telegraph (AT&T). The three individuals credited with the invention of the transistor were William Shockley, John Bardeen and Walter Brattain. The introduction of the transistor is often considered one of the most important inventions in history.
EKCO was a British electronics company producing radio and television sets from 1924 until 1960. Expanding into plastic production for its own use, Ekco Plastics produced both radio cases and later domestic plastic products; the plastics company became Lin Pac Mouldings Ltd.
Tait Communications is a multinational radio communications company with headquarters based in Christchurch, New Zealand. The company has offices in 17 countries and employs 869 staff (2011). Tait develops voice and data radio technologies, exporting about 95% of products from its Christchurch manufacturing base. Customers include London Buses, Country Fire Authority and Basin Electric Power Cooperative. Competitors include Motorola, Harris Corporation, E.F. Johnson Company, Raytheon, HYT, Selex and EMC spa.
Alba was a British consumer electronics brand used for budget electronics.
Koyo Electronics and its subsidiary Koyo Electronics Industry, often collectively referred to as just Koyo, are Japanese electronics companies based in Kodaira, Tokyo that manufactured radios from 1955 until 1973, and now its subsidiary manufactures industrial electronics devices and factory automation control systems.
Wireless Weekly was Australia's first news-stand wireless magazine, published in 1922 in Sydney by William John Foster St Clair Maclardy and his father William McIntyre St Clair Maclardy. W. J. Maclardy was one of the founders of the "A" Class radio station 2SB. It arose from conversations between Florence Violet (Vera) McKenzie OBE, aka 'Violet Wallace, 'Vera Wallace' and later 'Mrs Mac' (1890-1982), who owned a wireless shop in the Royal Arcade, Sydney, Ron Marsden her engineer, and Maclardy. The front cover featured a photo of amateur radio activity.
DC-International is a tape cassette format developed by Grundig and marketed in 1965. DC is the abbreviation of "Double Cassette", as the cassette contained two reels; International was intended to indicate that, from the beginning, several companies around the world supported the format with suitable tape cassette tape recorders, recorded music cassettes and blank cassettes. Since DC-International did not compete effectively against the similar Compact Cassette, it was discontinued in 1967.