Technikatörténeti szemle 20. (1993)

TANULMÁNYOK - Tihanyi Glass, Katalin: The Iconoscope: Kalman Tihanyi and the Development of Modern Television

24. V. K. Zworykin, Q. A. Morton: Television, the Electronics of Image Transmission, N.Y., London 1940, pp. 228 and 231. „The basic similarity between this type of tube and the mechanical scanners is evident from the description of its mode of operation". 25. A. Abramson: The History of Television, 1880 to 1941, Jefferson, North Carolina, and London 1987, pp. 286. 26. K. Tihanyi: Az elektromos távolbavetítésről = Nemzeti Újság, May 3. 1925, pp. 23. 27. The International Dictionary of Physics and Electronics, N.Y. 1956, 1961, pp. 126, 183, 859-861, 863, 1028-1029, 1094-1095. 28. The Concise Dictionary of Physics, Oxford, 1985. 29. A. Abramson: The History of Television, 1880 to 1941, Jefferson, North Carolina, 1987, pp. 155. 30. Though often cited, this patent has never been properly evaluated, except possibly by Paul Vajda. It is now available in English translation at the Smithsonian Institution's Division of Electricity and Modern Physics, Washington, D.C., and the Museum for Science and Technology, Budapest. 31. K. Tihanyi, letters from London, 1931. Most likely, the reference is made to U.S. patent application, serial no. 377.261, filed on July 10, 1929, as was Br. Pat. No. 315,362 with the same content; both with Conv. date July 10, 1928. (In the author's property) 32. Letter dated March 3, 1927, from prof. Emmerich Poeschl to Zoltán Magyary, Ministerial Counselor; notarized German translation. (In the author's property) 33. K. Tihanyi, diary notes, 1927. (In the author's property) 34. The first letter Indicating RCA's interest, conveyed simultaneously by Tihanyi's German and British patent attorneys is not dated, but judging from the content must be from late 1930. (In the author's property) 35. Br. Pat. 352,035/December 21 1931. In an article, entitled, Etwas uber das Fernsehen, (About television,) written by Tihanyi and published in the journal Funk, Berlin, (undated, but judging from reference to the invitation by the British Air Ministry to London, probably in 1930 or 1931) Tihanyi describes his Aerial Torpedo as a device which „alsó possesses 'eyes' with which it 'sees' the enemy airplanes and, with the help of this 'visual acuity', follows". (In the author's property) 36. Letter by Tihanyi to his family, January 1932, indicating telephone call received from Paris, from RCA's European manager. (In the author's property) 37. A. Abramson: The History of Television, 1880 to 1941, Jefferson, North Carolina, and London 1987, pp. 122. 38. As disclosed by Abramson, the name ..Kinescope" appears on U.S. Pat. 2,021,252, Issued to French Inventor P.E. Chevallier and assigned to RCA. The author notes — though the logic of his statement eludes the reader — that, in the course of the prosecution, „RCA went on to great lengths to prove that Chevallier was the first to use electrostatic focus. Obviously, this was to protect RCA's interest in the vital