Freebase(0.00 / 0 votes)Rate this definition: Campestre is a municipality located in the south of the Brazilian state of Minas Gerais. Its population is 24,481 and its area is 54 kmÂ².
Also, there was Philo Farnsworth, a west-coast inventor whose first demonstration of television was in 1927. Like Baird's system, it was electro-mechanical, but by 1929 he had eliminated the moving parts of his system to create the world's first fully electronic system.
The first TV-related patent was granted in 1884 to a 23-year-old student called Paul Gottlieb Nipkow in Germany. Nipkow invented something called an image rasterizer but he was never able to build a working one.