Saint Petersburg, St. Petersburg, Russian Federation
The first tube communication system “Blokada-1”designed for The Naval Forces of Workers’ and Peasants’ Red Fleet (MS RKKF) was among the first domestic radio-electronic systems. The scientifically grounded concept for its construction and implementation was developed by the first chairman of the Communications Section of the MS RKKF Science and Technology Committee, a professor Imant Georgievich Freiman, a head (1917–1929) of the first national department of radio engineering in Electrotechnical Institute, who continued the work A. S. Popov in all scientific and social areas. Research and teaching activities of I. G. Freiman, including active experimental work, gives grounds for determining his role in the history of radio engineering and radio electronics as the founder of the scientific and engineering school of radio engineering in Russia.
radiotehnika, radiofizika, elektronnaya lampa, radioelektronika, I. G. Freyman, A. S. Popov, «Blokada-1», izluchenie elektromagnitnyh voln, rasprostranenie radiovoln, LETI im. V. I. Ul'yanova (Lenina), Nauchno-tehnicheskiy komitet Morskih sil
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3. I. G. Freiman, Course of radio engineering, Leningrad : GIZ, 1924. (In Russ.).
4. I. G. Freiman, Course of radio engineering, 2nd ed., Leningrad : GIZ, 1928. (In Russ.).
5. Archive of the Central Museum of Communications, f. Radio, op. 1, d. 932, l. 4. (In Russ.).
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7. Imant Georgievich Freiman. Selected works / Compiled, introductory article by L. I. Zolotinkina ; ed. V. N. Ushakov, SPb. : Propaganda Publishing House, 2015. (In Russ.).
8. I. G. Freiman, “Current state of wireless telephony,” Izvestiya Obshchestva inzhenerov-elektrikov, no. 2, pp. 32-39, 1915. (In Russ.).
9. I. G. Freiman, “To the last success of radiotelephony,” Izvestiya Obshchestva inzhenerov-elektrikov, no. 5, pp. 151-152, 1916. (In Russ.).
10. I. G. Freiman, “Main tasks for high-frequency machines for radio transmission,” Telegrafiya i telefoniya bez provodov, no. 19, pp. 331-341, 1921. (In Russ.).
11. L. I. Zolotinkina, “From ‘wireless telegraphy’ to ‘radio engineering’”, in : 25th Intern. Crimean Conf. “Microwave and telecommunication technology” - CriMiCo’2015 (Sevastopol, September 6-12, 2015), 2015, pp. 54-56. (In Russ.).
12. I. G. Freiman, “Application of an electronic relay in radiotelegraph business,” Morskoy sbornik, 1918, no. 1, pp. 109-115. (In Russ.).
13. I. G. Freiman, “What determines the quality of an amplifying lamp,” Tekhnika svyazi, vol. 2, no. 3, 4, 1924, pp. 293-296. (In Russ.).
14. I. G. Freiman, Brief essay on the fundamentals of radio engineering, Petrograd : 1917. (In Russ.).
15. I. G. Freiman, Patent No. 787 (USSR) dated October 30, 1925. Device for repeated telephoning. Appl. dated Aug. 6, 1919. (In Russ.).
16. Archive of the Central Museum of Communications, f. Radio, op. 1, unit 36, l. 6. (In Russ.).
17. A. A. Chernyshev, “Prof. I. G. Freiman. Course of radio engineering,” Electrichestvo, no. 11, p. 561, 1924. (In Russ.).
18. I. G. Freiman, “Position of the issue of propagation of electromagnetic waves,” Journal of Applied Physics, vol. 4, no. 4. pp. 59-76, 1927. (In Russ.).
19. I. G. Freiman, “On the evolution of the radio network,” Electrichestvo, no. 4, pp. 242-246, 1925. (In Russ.).
20. L. I. Zolotinkina, “On the evolution of a radio network,” in : 27th Intern. Crimean Conf. “Microwave and telecommunication technology” - CriMiCo’2017 (Sevastopol, September 10-16, 2017), pp. 54-56, 2017. (In Russ.).
21. D. A. Rozhansky, “Course of radio engineering : Freiman I. G.,” Electrichestvo, no. 13-14, p. 384, 1929. (In Russ.).
22. S. I. Zilitinkevich, “Imant Georgievich Freiman,” Telegrafiya i telefoniya bez provodov, no. 3, pp. 291-294, 1929. (In Russ.).
23. Archive of the A. S. Popov Memorial Museum. F.2.7.4. Freiman. Inv. no. 12543, Extract from the protocol of the meeting of the Academic Council of LETI on March 12, 1954. (In Russ.).
24. Z. I. Model, Memories, SPb. : SPbGUT, pp. 156-157, 198, 1995. (In Russ.).
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26. A. P. Evtyutov et al. Reference book on hydroacoustics, Leningrad : Sudostroyenie, 1982. (In Russ.).
27. B. B. Zherve, “Imant Georgievich Freiman,” Morskoy Sbornik, no. 2, pp. 3-5, 1929. (In Russ.).
28. N. N. Tsiklinskii, “In memory of I. G. Freiman,” Elektrosvyaz’, no. 8, pp. 5-7, 1929. (In Russ.).
