Jaroslav Šafránek
Encyclopedia
Jaroslav Šafránek was a Czech
Czech people
Czechs, or Czech people are a western Slavic people of Central Europe, living predominantly in the Czech Republic. Small populations of Czechs also live in Slovakia, Austria, the United States, the United Kingdom, Chile, Argentina, Canada, Germany, Russia and other countries...

 physicist
Physicist
A physicist is a scientist who studies or practices physics. Physicists study a wide range of physical phenomena in many branches of physics spanning all length scales: from sub-atomic particles of which all ordinary matter is made to the behavior of the material Universe as a whole...

 who, in the second half of the 1930s, designed a system for the transmission of visual images by low-line mechanical television
Television
Television is a telecommunication medium for transmitting and receiving moving images that can be monochrome or colored, with accompanying sound...

, which made the production of an authentic spatial impression of the picture, transmitted on the screen, possible. His discovery was, unfortunately, largely ignored by the Czechoslovakian community.

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