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 regular commercial television broadcast in the US was by RCA in 1939. This was ten years after Philo Farnsworth has demonstrated fully electronic television in Ameriâ¦ca. Regular broadcasts may have started sooner but progress was slowed by legal battles over the patents for the technology.