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61 LANGUAGE
quetil (tongue, talk), lambë (tongue). The latter was "the usual word, in non-technical use, for 'language'." (WJ:394) Only the Loremasters used the technical term tengwesta "system or code of signs" instead; this word is also glossed "grammar". Notice that lambë is also used for "dialect" (VT39:15). LANGUAGE (as an abstract, the ability to speak or the "art" of making speech) tengwestië. LANGUAGE with especial reference to phonology: Lambelë. LANGUAGE OF THE VALAR Lambë Valarinwa (lit. *"Valarin language"), LANGUAGE OF THE ELDAR Eldarissa (the latter may not be a valid word in LotR-style Quenya), LANGUAGE OF THE HANDS mátengwië –KWET/VT45:25, WJ:394, 397, VT39:15, LT2:339, VT47:9 -
62 din
1 noun∎ familiar they were kicking up or making a real din ils faisaient un boucan d'enfer ou monstre∎ familiar to din sth into sb faire (bien) comprendre qch à qn□, enfoncer qch dans le crâne à qn;∎ to din manners/the rules of the road into sb inculquer les bonnes manières/le code de la route à qn□ -
63 signal
signal ['sɪgnəl] ( British pt & pp signalled, cont signalling, American pt & pp signaled, cont signaling)1 noun(a) (indication) signal m;∎ to give sb the signal to do sth donner à qn le signal de faire qch;∎ he'll give the signal to attack il donnera le signal de l'attaque;∎ she gave the signal for us to leave elle nous a donné le signal de départ;∎ you're sending all the wrong signals if you want her to realize you're attracted to her si tu veux qu'elle comprenne que tu es attiré par elle, il faut que ton attitude le montre;∎ he's putting out a lot of confusing signals son attitude n'est pas claire;∎ it was the first signal (that) the regime was weakening c'était le premier signe de l'affaiblissement du régime;∎ the demonstration is a clear signal to the government to change its policy la manifestation signifie clairement que le gouvernement doit changer de politique;∎ to send smoke signals envoyer des signaux de fumée∎ radio signal signal m radio;∎ Radio station signal indicatif m (de l'émetteur)formal insigne;∎ you showed a signal lack of tact vous avez fait preuve d'une maladresse insigne(a) (send signal to) envoyer un signal à;∎ to signal sb faire signe à qn;∎ he signalled the plane forward il a fait signe au pilote d'avancer;∎ the brain signals the muscles to contract le cerveau envoie aux muscles le signal de se contracter∎ the parachutist signalled his readiness to jump le parachutiste fit signe qu'il était prêt à sauter;∎ the linesman signalled the ball out le juge de ligne a signalé que le ballon était sorti;∎ the cyclist signalled a left turn le cycliste a indiqué qu'il tournait à gauche(c) (announce, mark → beginning, end, change) marquer;∎ the speech signalled a radical change in policy le discours a marqué une réorientation politique radicale;∎ this signals the start of the rainy season cela indique le début ou c'est le signe du début de la saison des pluies;∎ her resignation signalled the beginning of the end sa démission a marqué le début de la fin∎ to signal to sb to do sth faire signe à qn de faire qch;∎ he signalled for the bill il a fait signe qu'il voulait l'addition;∎ she was signalling for us to stop elle nous faisait signe de nous arrêter(b) (send signal) envoyer un signal;∎ the satellite is still signalling le satellite émet ou envoie toujours des signaux(c) Cars (with indicator) mettre son clignotant; (with arm) indiquer de la main un changement de directionNautical signal book code m international des signaux;Railways signal box poste m de signalisation;signal communications télécommunications fpl, transmissions fpl;signal lamp (for making signals) lampe f ou projecteur m de signalisation; (serving as a signal) (lampe f) témoin m;American signal red vermillon m chinois;signal rocket fusée f de signalisation;American signal tower poste m d'aiguillage -
64 Armstrong, Edwin Howard
[br]b. 18 December 1890 New York City, New York, USAd. 31 January 1954 New York City, New York, USA[br]American engineer who invented the regenerative and superheterodyne amplifiers and frequency modulation, all major contributions to radio communication and broadcasting.[br]Interested from childhood in anything mechanical, as a teenager Armstrong constructed a variety of wireless equipment in the attic of his parents' home, including spark-gap transmitters and receivers with iron-filing "coherer" detectors capable of producing weak Morse-code signals. In 1912, while still a student of engineering at Columbia University, he applied positive, i.e. regenerative, feedback to a Lee De Forest triode amplifier to just below the point of oscillation and obtained a gain of some 1,000 times, giving a receiver sensitivity very much greater than hitherto possible. Furthermore, by allowing the circuit to go into full oscillation he found he could generate stable continuous-waves, making possible the first reliable CW radio transmitter. Sadly, his claim to priority with this invention, for which he filed US patents in 1913, the year he graduated from Columbia, led to many years of litigation with De Forest, to whom the US Supreme Court finally, but unjustly, awarded the patent in 1934. The engineering world clearly did not agree with this decision, for the Institution of Radio Engineers did not revoke its previous award of a gold medal and he subsequently received the highest US scientific award, the Franklin Medal, for this discovery.During the First World War, after some time as an instructor at Columbia University, he joined the US Signal Corps laboratories in Paris, where in 1918 he invented the superheterodyne, a major contribution to radio-receiver design and for which he filed a patent in 1920. The principle of this circuit, which underlies virtually all modern radio, TV and radar reception, is that by using a local oscillator to convert, or "heterodyne", a wanted signal to a lower, fixed, "intermediate" frequency it is possible to obtain high amplification and selectivity without the need to "track" the tuning of numerous variable circuits.Returning to Columbia after the war and eventually becoming Professor of Electrical Engineering, he made a fortune from the sale of his patent rights and used part of his wealth to fund his own research into further problems in radio communication, particularly that of receiver noise. In 1933 he filed four patents covering the use of wide-band frequency modulation (FM) to achieve low-noise, high-fidelity sound broadcasting, but unable to interest RCA he eventually built a complete broadcast transmitter at his own expense in 1939 to prove the advantages of his system. Unfortunately, there followed another long battle to protect and exploit his patents, and exhausted and virtually ruined he took his own life in 1954, just as the use of FM became an established technique.[br]Principal Honours and DistinctionsInstitution of Radio Engineers Medal of Honour 1917. Franklin Medal 1937. IERE Edison Medal 1942. American Medal for Merit 1947.Bibliography1922, "Some recent developments in regenerative circuits", Proceedings of the Institute of Radio Engineers 10:244.1924, "The superheterodyne. Its origin, developments and some recent improvements", Proceedings of the Institute of Radio Engineers 12:549.1936, "A method of reducing disturbances in radio signalling by a system of frequency modulation", Proceedings of the Institute of Radio Engineers 24:689.Further ReadingL.Lessing, 1956, Man of High-Fidelity: Edwin Howard Armstrong, pbk 1969 (the only definitive biography).W.R.Maclaurin and R.J.Harman, 1949, Invention \& Innovation in the Radio Industry.J.R.Whitehead, 1950, Super-regenerative Receivers.A.N.Goldsmith, 1948, Frequency Modulation (for the background to the development of frequency modulation, in the form of a large collection of papers and an extensive bibliog raphy).KFBiographical history of technology > Armstrong, Edwin Howard
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65 Tyer, Edward
[br]b. 6 February 1830 Kennington, London, Englandd. 25 December 1912 Tunbridge Wells, England[br]English railway signal engineer, inventor of electric train-tablet system for the operation of single-line railways.[br]Use of the electric telegraph for the safe operation of railways was first proposed by W.F. Cooke in the late 1830s, but its application to this purpose and the concurrent replacement of the time-interval system of working, by the block system, comprised a matter of gradual evolution over several decades. In 1851 Tyer established a business making electrical apparatus for railways, and the block instruments invented by him in 1855 were an important step forward. A simple code of electric-bell rings (for up trains; for down trains, there was a distinctive gong) was used by one signalman to indicate to another in advance that a train was entering the section between them, and the latter signalman then operated a galvanometer telegraph instrument in the box of the former to indicate "train on line", holding it so until the train arrived.Even more important was the electric train-tablet apparatus. During the 1870s, single-line railways were operated either by telegraphed train orders, misuse of which led to two disastrous head-on collisions, or by "train staff and ticket", which lacked flexibility since no train could enter one end of a section while the train staff was at the other. At the request of Currer, an official of the Caledonian Railway, Tyer designed and produced his apparatus, in which a supply of discs, or "tablets", was contained in two instruments, one located at each end of a section, and linked electrically: only one tablet at a time could be extracted from the instruments, serving as an authority for a train to enter the section from one end or the other.[br]Bibliography1855, British patent no. 2,895 (block instruments). 1861, British patent no. 3,015 (block instruments). 1878, British patent for electric train-tablet apparatus.Further ReadingC.Hamilton Ellis, 1959, British Railway History, Vol. II: 1877–1947, London: George Allen \& Unwin, p. 199 (describes the development of the tablet apparatus).P.J.G.Ransom, 1990, The Victorian Railway and How It Evolved, London: Heinemann, pp. 157–8 and 164 (describes the block instruments and tablet apparatus).PJGR -
66 antisidetone device
code device — кодирующее устройство; схема кодирования; способ кодирования
coding device — кодирующее устройство; схема кодирования; способ кодирования
single-order device — одноразрядное устройство; однофункциональное устройство; схема формирования одиночной команды
English-Russian dictionary of Information technology > antisidetone device
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