Find an Orthopedic Specialist Near You. However, behind knee pain may be a symptom of deep vein thrombosis (blood clot in the leg), which is a serious and life-threatening condition. The blood clot can break loose and cause a pulmonary embolism in the lung, a heart attack, or even stroke. Deep vein thrombosis has similar symptoms to a Bakerâs cyst.
Baird was a Scottish engineer and inventor of the world's first working television system in Hastings, England, in 1923. His public demonstration subsequently took place in Selfridges, a department store in London England, during March 1925.
In November 1929, Bernard Natan established France's first television company, Television-TÃ©lÃ©vision-Baird. Natan On april, 14, 1931 there took place the first transmission with a-thirty line standard By Rene. RenÃ© Barthelemy barthÃ©lemy, on, December 6 1931 henri de France Created the Compagnie (GENERALE). gÃ©nÃ©rale de television tÃ©lÃ©vision cgthe first color television project is claimed by him, and was patented in Germany on March 31, 1908, patent â 197183, then in Britain, on April 1, 1908, patent â 7219, in France (patent â 390326) and in Russia in 1910 (patent â 17912).