Invention of the High Resolution Television System 20-03-1926 (Hungary) 1 sheet with 14 attached drawings; 21 × 34 cm National Archives of Hungary HU-MNL-OL – K 603 – T –3768 On 20 March 1926, Kálmán Tihanyi (1897 – 1947), a physicist, electrical engineer and inventor, submitted a patent application for a high resolution television system under the designation of Radioskop. The documents pertaining to this submission - one letter plus several folios with technical drawings - are today recognised as testimonies of a crucial moment in the creation and development of television systems. Tihanyi was born in Zbehy, Slovakia (Hungarian: Üzbég), Kingdom of Hungary (now Zbehy, Slovakia), and graduated in 1917 at the School of Electrotechnical Studies in what is today Bratislava, Slovakia (Hungarian: Pozsony, German: Pressburg). Systems for image transmission using cathode ray tubes had been discussed by several inventors earlier, but no truly efficient system had been produced b...