Technikatörténeti szemle 20. (1993)

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

At his death, he left behind a large number of inventions. Those he deemed most valuable were almost without exception conceived between 1935 and 1940. These included a sound abatement device and sound abatement wall, energy-saving light-bulbs, device for the separation of infrared waves from light waves, magnetostrictlve telephone, sonar detector and a cluster of other inventions based on ultrasound technology, among them a device for the elimination of carbon monoxide emission. These manuscripts were marked: „To be saved for peacetime". Endnotes and Literature 1. F.C. Waldorf and J. Borkln: Television: A Struggle for Power, New York 1936. p. 239. 2. Archival files, United States Patent and Trademark Office, Washington, D.C. U.S. Pat. 2,133,123/June 10, 1929 and U.S. Pat. 2,158,259/June 10, 1929. 3. Archival files, United States Patent Office, Washington, D.C. U.S. Pat. 2,141,059/De­cember 29, 1923; U.S. Pat. 2,246,283/May 1, 1930; U.S. Pat. 2,157,048/July 17, 1930; U.S. Pat. 2,021,907/November 13, 1931. 4. Hung. Pat. T-3768/March 20, 1926. 5. V. K. Zworykin, G. A. Morton, and I. E. Flory: Theory And Performance Of The Iconoscope. = Proceedings of the Institute of Radio Engineers, August 1937; Harley lams, G. A. Morton, and V. K. Zworykin: The Image Iconoscope. = Proceedings of the Institute of Radio Engineers, September 1939. V. K. Zworykin, G. A. Morton, Television, the electronics of image transmission, New York 1940. 6. V. Babits: A távolbalátás és az ultrarövid hullámok technológiája, Budapest 1947, pp. 65-67. Although prof. Babits speaks about „Zworykin's iconoscope," he states: „the famous 'storage principle' appears first in (the above) cited patents of Kalman Tihanyi". 7. Letter from Prof. Walter Bruch to me, dated Sept. 23, 1983. This statement is all the more curious as, according to the letter, K. Tihanyi contacted Prof. Bruch in 1937 and must have mentioned the purchase of his patents by RCA. 8. F. Schröter: Handbuch der Bildtelegraphie und des Fernsehens, Berlin 1933, pp. 61. 9. Diary notes from June and July 1928, Kalman Tihanyi. (In the author's property) 10. Prof. F. Schröter's letter to Kalman Tihanyi, dated July 10, 1928. 11. F. Schröter: Fernsehen. Die neue Entwicklungen insbesondere der deutschen Fernseh­technik, Berlin 1937, pp. 123. 12. P. Vajda: Újabb adatok a híradástechnika magyar úttörőire vonatkozóan = Technika­történeti Szemle 1973/74, VII. pp. 91. 13. See Zworykin's own article: The Iconoscope — A modern Version Of The Electric

Next

/
Thumbnails
Contents