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- ألكسندر بيم (بالألمانية: Alexander Behm) (و. 1880 – 1952 م) هو فيزيائي من ألمانيا . ولد في شتيرنبرغ . توفي في كيل ، عن عمر يناهز 72 عاماً. (ar)
- Alexander Karl Friedrich Franz Behm (* 11. November 1880 in Sternberg (Mecklenburg); † 22. Januar 1952 in Kiel) war ein deutscher Physiker. (de)
- Alexander Behm (11 November 1880, in Sternberg (Mecklenburg) – 22 January 1952, in (Schleswig-Flensburg)) was a German physicist who developed working ocean echo sounder in Germany at the same time Reginald Fessenden was doing so in North America. As head of a research laboratory in Vienna (Austria) he conducted experiments concerning the propagation of sound. He tried to develop an iceberg detection system using reflected sound waves after the Titanic disaster on 15 April 1912. In the end reflected sound waves proved not to be suitable for the detection of icebergs but for measuring the depth of the sea, because the bottom of the sea reflected them well. Thus, echo sounding was born. Behm was granted German patent No. 282009 for the invention of echo sounding (device for measuring depths of the sea and distances and headings of ships or obstacles by means of reflected sound waves) on 22 July 1913. In 1920 he founded the Behm Echo Sounding Company in Kiel in order to commercialise his invention. He was also a fanatic angler and an inventor of fishing tackle, like Behm-Fliege and Behm-Blinker. (en)
- Alexander Behm (né le 11 novembre 1880, à Sternberg (grand-duché de Mecklembourg-Schwerin) et mort le 22 janvier 1952) est un physicien allemand qui a développé un (en) fonctionnel en Allemagne en même temps que Reginald Fessenden le faisait en Amérique du Nord. (fr)
- Alexander Karl Friedrich Franz Behm, född 11 november 1880 i Sternberg, död 22 januari 1952 i Tarp (distrikt ), var en tysk fysiker och uppfinnare. Behm registrerade över 100 egna patent. Bland annatt fick han en tysk patent (No. 282009) på ett ekolod år 1913. 1928 blev han hedersdoktor vid Kiels universitet. (sv)
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- ألكسندر بيم (بالألمانية: Alexander Behm) (و. 1880 – 1952 م) هو فيزيائي من ألمانيا . ولد في شتيرنبرغ . توفي في كيل ، عن عمر يناهز 72 عاماً. (ar)
- Alexander Karl Friedrich Franz Behm (* 11. November 1880 in Sternberg (Mecklenburg); † 22. Januar 1952 in Kiel) war ein deutscher Physiker. (de)
- Alexander Behm (né le 11 novembre 1880, à Sternberg (grand-duché de Mecklembourg-Schwerin) et mort le 22 janvier 1952) est un physicien allemand qui a développé un (en) fonctionnel en Allemagne en même temps que Reginald Fessenden le faisait en Amérique du Nord. (fr)
- Alexander Karl Friedrich Franz Behm, född 11 november 1880 i Sternberg, död 22 januari 1952 i Tarp (distrikt ), var en tysk fysiker och uppfinnare. Behm registrerade över 100 egna patent. Bland annatt fick han en tysk patent (No. 282009) på ett ekolod år 1913. 1928 blev han hedersdoktor vid Kiels universitet. (sv)
- Alexander Behm (11 November 1880, in Sternberg (Mecklenburg) – 22 January 1952, in (Schleswig-Flensburg)) was a German physicist who developed working ocean echo sounder in Germany at the same time Reginald Fessenden was doing so in North America. Behm was granted German patent No. 282009 for the invention of echo sounding (device for measuring depths of the sea and distances and headings of ships or obstacles by means of reflected sound waves) on 22 July 1913. (en)
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- Alexander Behm (en)
- ألكسندر بيم (ar)
- Alexander Behm (ca)
- Alexander Behm (de)
- Alexander Behm (fr)
- Alexander Behm (sv)
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