Inside of a few months, the Budapest Telephone Exchange became functional, and Tesla was allocated the Main electrician posture. In the course of his employment, Tesla produced numerous improvements towards the Central Station gear and claimed to have perfected a phone repeater or amplifier, which was hardly ever patented nor publicly explained.[23][superior supply necessary] Operating at Edison
With the help of companions to finance and sector his ideas, Tesla setup laboratories and firms in The big apple to acquire An array of electrical and mechanical devices. His AC induction website motor and associated polyphase AC patents, licensed by Westinghouse Electric in 1888, attained him a considerable sum of money and have become the cornerstone with the polyphase process which that enterprise eventually marketed.