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1 патент на определённый состав
Patents: composition-of-matter patentУниверсальный русско-английский словарь > патент на определённый состав
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2 Poulsen, Valdemar
[br]b. 23 November 1869 Copenhagen, Denmarkd. 23 July 1942 Gentofte, Denmark[br]Danish engineer who developed practical magnetic recording and the arc generator for continuous radio waves.[br]From an early age he was absorbed by phenomena of physics to the exclusion of all other subjects, including mathematics. When choosing his subjects for the final three years in Borgedydskolen in Christianshavn (Copenhagen) before university, he opted for languages and history. At the University of Copenhagen he embarked on the study of medicine in 1889, but broke it off and was apprenticed to the machine firm of A/S Frichs Eftf. in Aarhus. He was employed between 1893 and 1899 as a mechanic and assistant in the laboratory of the Copenhagen Telephone Company KTAS. Eventually he advanced to be Head of the line fault department. This suited his desire for experiment and measurement perfectly. After the invention of the telegraphone in 1898, he left the laboratory and with responsible business people he created Aktieselskabet Telegrafonen, Patent Poulsen in order to develop it further, together with Peder Oluf Pedersen (1874– 1941). Pedersen brought with him the mathematical background which eventually led to his professorship in electronic engineering in 1922.The telegraphone was the basis for multinational industrial endeavours after it was demonstrated at the 1900 World's Exhibition in Paris. It must be said that its strength was also its weakness, because the telegraphone was unique in bringing sound recording and reproduction to the telephone field, but the lack of electronic amplifiers delayed its use outside this and the dictation fields (where headphones could be used) until the 1920s. However, commercial interest was great enough to provoke a number of court cases concerning patent infringement, in which Poulsen frequently figured as a witness.In 1903–4 Poulsen and Pedersen developed the arc generator for continuous radio waves which was used worldwide for radio transmitters in competition with Marconi's spark-generating system. The inspiration for this work came from the research by William Duddell on the musical arc. Whereas Duddell had proposed the use of the oscillations generated in his electric arc for telegraphy in his 1901 UK patent, Poulsen contributed a chamber of hydrogen and a transverse magnetic field which increased the efficiency remarkably. He filed patent applications on these constructions from 1902 and the first publication in a scientific forum took place at the International Electrical Congress in St Louis, Missouri, in 1904.In order to use continuous waves efficiently (the high frequency constituted a carrier), Poulsen developed both a modulator for telegraphy and a detector for the carrier wave. The modulator was such that even the more primitive spark-communication receivers could be used. Later Poulsen and Pedersen developed frequency-shift keying.The Amalgamated Radio-Telegraph Company Ltd was launched in London in 1906, combining the developments of Poulsen and those of De Forest Wireless Telegraph Syndicate. Poulsen contributed his English and American patents. When this company was liquidated in 1908, its assets were taken over by Det Kontinentale Syndikat for Poulsen Radio Telegrafi, A/S in Copenhagen (liquidated 1930–1). Some of the patents had been sold to C.Lorenz AG in Berlin, which was very active.The arc transmitting system was in use worldwide from about 1910 to 1925, and the power increased from 12 kW to 1,000 kW. In 1921 an exceptional transmitter rated at 1,800 kW was erected on Java for communications with the Netherlands. More than one thousand installations had been in use worldwide. The competing systems were initially spark transmitters (Marconi) and later rotary converters ( Westinghouse). Similar power was available from valve transmitters only much later.From c. 1912 Poulsen did not contribute actively to further development. He led a life as a well-respected engineer and scientist and served on several committees. He had his private laboratory and made experiments in the composition of matter and certain resonance phenomena; however, nothing was published. It has recently been suggested that Poulsen could not have been unaware of Oberlin Smith's work and publication in 1888, but his extreme honesty in technical matters indicates that his development was indeed independent. In the case of the arc generator, Poulsen was always extremely frank about the inspiration he gained from earlier developers' work.[br]Bibliography1899, British patent no. 8,961 (the first British telegraphone patent). 1903, British patent no. 15,599 (the first British arc-genera tor patent).His scientific publications are few, but fundamental accounts of his contribution are: 1900, "Das Telegraphon", Ann. d. Physik 3:754–60; 1904, "System for producing continuous oscillations", Trans. Int. El. Congr. St. Louis, Vol. II, pp. 963–71.Further ReadingA.Larsen, 1950, Telegrafonen og den Traadløse, Ingeniørvidenskabelige Skrifter no. 2, Copenhagen (provides a very complete, although somewhat confusing, account of Poulsen's contributions; a list of his patents is given on pp. 285–93).F.K.Engel, 1990, Documents on the Invention of Magnetic Re cor ding in 1878, New York: Audio Engineering Society, reprint no. 2,914 (G2) (it is here that doubt is expressed about whether Poulsen's ideas were developed independently).GB-N -
3 Stoff
Stoff m 1. GEN subject matter; 2. IND material substance; 3. PAT subject matter* * ** * *Stoff
matter, substance, (Gegenstand) subject matter, (Rohstoff, Textilien) stuff, (Textilien) fabric, material, cloth, textile;
• Stoffe goods (US);
• selbst entzündliche Stoffe self-igniting solids;
• fester Stoff solid [fabric];
• giftige Stoffe toxic materials;
• knitterfester (knitterfreier) Stoff crease-resistant cloth;
• luftverschmutzende Stoffe air pollutants;
• oberflächenaktiver Stoff surfactant;
• pflegeleichter Stoff treatable fabric;
• spaltbarer Stoff fissionable material;
• umweltbelastender Stoff environmentally harmful material;
• umweltfreundliche Stoffe environmentally harmful substances;
• unschädlicher Stoff innocent material;
• Wasser abstoßender Stoff repellent;
• Stoff zum Bedrucken printer;
• Stück Stoff auf seine Qualität prüfen to finger a piece of cloth;
• Stoffabteilung (Warenhaus) textile department;
• Stoffbahn width [of material];
• Stoffballen bales (roll) of cloth;
• Stoffdruck fabric printing;
• Stoffhandel drapery (Br.);
• Stoffhändler dealer in cloths (dry goods, US), draper (Br.);
• Stofflänge piece;
• Stoffmuster pattern, design;
• Stoffpuppe lay figure;
• Stoffrückgewinnanlage pulp saver;
• Stoff verbindung, Stoffzusammensetzung (Patentrecht) composition of a matter. -
4 Lanston, Tolbert
SUBJECT AREA: Paper and printing[br]b. 3 February 1844 Troy, Ohio, USAd. 18 February 1913 Washington, DC, USA[br]American inventor of the Monotype typesetting machine.[br]Although reared in a farming community, Lanston was able to develop his mechanical talent. After serving in the American Civil War he secured a clerkship in the Pensions Office in Washington, where he remained for twenty-two years. He studied law in his spare time and was called to the Bar. At the same time, he invented a whole variety of mechanical devices, many of which he patented. Around 1883 Lanston began taking an interest in machines for composing printers' type, probably stimulated by Ottmar Mergenthaler, who was then in Washington and working in this field. Four years' work were rewarded on 7 June 1887 by the grant of a patent, followed by three more, for a machine "to produce justified lines of type". The machine, the Monotype, consisted of two components: first a keyboard unit produced a strip of paper tape with holes punched in patterns corresponding to the characters required; this tape controlled the matrices in the caster, the second and "hot metal" component, from which types were ejected singly and fed to an assembly point until a complete line of type had been formed. Lanston resigned his post and set up the Lanston Type Machine Company in Washington. He laboured for ten years to convert the device defined in his patents into a machine that could be made and used commercially. In 1897 the perfected Monotype appeared. The company was reorganized as the Lanston Monotype Manufacturing Company of Philadelphia, and Lanston devoted himself to promoting and improving the machine. Monotype, with Mergenthaler's Linotype, steadily supplanted hand-setting and the various inadequate mechanical methods that were then in use, and by the 1920s they reigned supreme, until the 1960s, when they themselves began to be superseded by computer-controlled photosetting methods.[br]Principal Honours and DistinctionsFranklin Institute Cresson Gold Medal 1896.Further ReadingObituary, 1913, American Printer (March).L.A.Legros and J.C.Grant, 1916, Typographical Printing Surfaces, London.J.Moran, 1964, The Composition of Reading Matter, London.LRD -
5 Mergenthaler, Ottmar
SUBJECT AREA: Paper and printing[br]b. 11 May 1854 Hachtel, Germanyd. 28 October 1899 Baltimore, Maryland, USA[br]German/American inventor of the Linotype typesetting machine.[br]Mergenthaler came from a family of teachers, but following a mechanical bent he was apprenticed to a clockmaker. Having served his time, Mergenthaler emigrated to the USA in 1872 to avoid military service. He immediately secured work in Washington, DC, in the scientific instrument shop of August Hahl, the son of his former master. He steadily acquired a reputation for skill and ingenuity, and in 1876, when Hahl transferred his business to Baltimore, Mergenthaler went too. Soon after, they were commissioned to remedy the defects in a model of a writing machine devised by James O.Clephane of Washington. It produced print by typewriting, which was then multiplied by lithography. Mergenthaler soon corrected the defects and Clephane ordered a full-size version. This was completed in 1877 but did not work satisfactorily. Nevertheless, Mergenthaler was moved to engage in the long battle to mechanize the typesetting stage of the printing process. Clephane suggested substituting stereotyping for lithography in his device, but in spite of their keen efforts Mergenthaler and Hahl were again unsuccessful and they abandoned the project. In spare moments Mergenthaler continued his search for a typesetting machine. Late in 1883 it occurred to him to stamp matrices into type bars and to cast type metal into them in the same machine. From this idea, the Linotype machine developed and was completed by July 1884. It worked well and a patent was granted on 26 August that year, and Clephane and his associates set up the National Typographic Company of West Virginia to manufacture it. The New York Tribune ordered twelve Linotypes, and on 3 July 1886 the first of these set part of that day's issue. During the previous year the company had passed into the hands of a group of newspaper owners; increasing differences with the Board led to Mergenthaler's resignation in 1888, but he nevertheless continued to improve the machine, patenting over fifty modifications. The Linotype, together with the Monotype of Tolbert Lanston, rapidly supplanted earlier typesetting methods, and by the 1920s it reigned supreme, the former being used more for newspapers, the latter for book work.[br]Principal Honours and DistinctionsFranklin Institute John Scott Medal, Elliott Cresson Medal.Bibliography1898, Ottmar Mergenthaler and the Invention of Linotype, New York.Further ReadingJ.Moran, 1964, The Composition of Reading Matter, London.LRD
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