• Alan Dower Blumlein (/ˈblʊmlaɪn/; 29 June 1903 – 7 June 1942) was an English electronics engineer, notable for his many inventions in telecommunications...
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  • Blumlein is a surname. Notable people with the surname include: Alan Blumlein, electronic engineer Blumlein Pair, a stereo recording technique invented...
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  • Thumbnail for Wheatstone bridge
    measurements by James Clerk Maxwell in 1865 and further improved as Blumlein bridge by Alan Blumlein in British Patent no. 323,037, 1928. The Wheatstone bridge...
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  • Thumbnail for Blumlein pair
    Blumlein pair is a stereo recording technique invented by Alan Blumlein for the creation of recordings that, upon replaying through headphones or loudspeakers...
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  • Thumbnail for United Kingdom patent 394325
    Sound-reproducing Systems' is a fundamental work on stereophonic sound, written by Alan Blumlein in 1931 and published in 1933. The work exists only in the form of a...
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    British engineer Alan Blumlein at EMI, who patented stereo records, stereo films, and also surround sound. In early 1931, Blumlein and his wife were...
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  • Thumbnail for Pulse-forming network
    was invented in 1937 by British engineer Alan Blumlein and is widely used today in PFNs. In the Blumlein generator (animation, right), the load is connected...
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  • Thumbnail for List of British innovations and discoveries
    Invented first modern shorthand Developed 'binaural sound' for the Stereo– Alan Blumlein Print stereotyping – William Ged (1690–1749) Teletext Information Service...
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  • been chosen following discussions over Sunday lunch at the home of Alan Blumlein. The system used interlacing; EMI had been experimenting with a 243-line...
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    recording sessions of his music. In 1934, the inventor of stereo sound, Alan Blumlein, recorded Mozart's Jupiter Symphony which was conducted by Thomas Beecham...
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    however, and EMI left this area of product manufacture. EMI engineer Alan Blumlein received a patent for the invention of stereophonic sound in 1931. He...
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  • sound or, more commonly, stereo invented at EMI in Hayes, Middlesex by Alan Blumlein (1903–1942). 1933: The 405-line television system (the first fully electronic...
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  • Thumbnail for Differential amplifier
    definite long-tailed pair circuit appears in a patent submitted by Alan Blumlein in 1936. By the end of the 1930s the topology was well established and...
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  • electrical engineer André Blondel Oscillography, electrical machine theory Alan Blumlein Inventions in telecommunications, sound recording, stereo, television...
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  • Thumbnail for Slot antenna
    will not miss the surface. The slot antenna was invented in 1938 by Alan Blumlein, while working for EMI. He invented it in order to produce a practical...
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  • with the loss of all eleven crew and scientists on board, including Alan Blumlein. It had been testing the new H2S radar system that used the cavity magnetron...
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  • Thumbnail for History of multitrack recording
    recording time possible, greatly reducing cost and incredible bulk. Alan Blumlein, a British engineer at EMI, patented systems for recording stereophonic...
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  • Thumbnail for 1942 Herefordshire TRE Halifax crash
    England-Wales border, killing all eleven crew-members. Among the dead was Alan Blumlein of EMI, who was well known as the inventor of stereophonic sound recording...
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  • Thumbnail for H2S (radar)
    everyone on board and destroying the prototype H2S. One of the dead was Alan Blumlein, the chief designer. Lovell recalled that after inspecting the crash...
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    formed in the city in 1931, and an early employee for the company, Alan Blumlein, created stereo sound that year. Guitar amp engineer Jim Marshall founded...
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  • Thumbnail for Jecklin disk
    the baffled microphone technique for stereo initially described by Alan Blumlein in his 1931 patent on binaural sound. There is a noteworthy change from...
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  • Blissymbols Katharine Burr Blodgett (1898–1979), U.S. – nonreflective glass Alan Blumlein (1903–1942), UK – stereo David Boggs (1950–2022), U.S. – Ethernet Nils...
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  • Thumbnail for Columbia Graphophone Company
    considerable, and in 1928 Columbia hired the English electronics engineer Alan Blumlein to work on an alternative. By late 1930, he had developed a recording...
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    until closedown of the Crystal Palace 405-line transmissions in 1985). Alan Blumlein carried out his research into binaural sound and stereophonic gramophone...
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  • Thumbnail for Microphone practice
    sideways and a cardioid (generally a variety of cardioid, although Alan Blumlein described the usage of an omnidirectional transducer in his original...
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  • triodes and pentodes, at lower distortion than either) was originated by Alan Blumlein in 1937 in the UK, but popularised following publication of a paper...
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    the standard for BBC studios in London. This was improved in 1930 by Alan Blumlein and Herbert Holman who released the HB1A and was the best standard of...
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  • Thumbnail for Cavity magnetron
    ground-mapping radar codenamed H2S. The H2S radar was in part developed by Alan Blumlein and Bernard Lovell. The cavity magnetron was widely used during World...
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  • Thumbnail for History of television
    Manfred von Ardenne John Logie Baird Alan Blumlein Walter Bruch (PAL television) Guillermo González Camarena Alan Archibald Campbell-Swinton Karl Ferdinand...
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  • normal soundtrack area of a film print was not new; the stereo pioneer Alan Blumlein had made experimental stereophonic films using such a system as early...
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