in the early 1970s. In the late 1960s, a college student Nolan Bushnell had a part-time job at an arcade where he became familiar with EM games, watching customers play and helping to maintain the machinery while learning how it worked and developing his understanding of how the game business operates. In 1966, while working at Sanders Associates, Ralph Baer came up with an idea for an entertainment device that could be hooked up to a television monitor. Presenting this to his superiors at Sanders and getting their approval, he, along with William Harrison and William Rusch, refined Baer's concept into the "Brown Box" prototype of a home video game console that could play a simple table tennis game. The three patented the technology, and Sanders, not in the commercialization business, sold licenses to the patents to Magnavox to commercialize. With Baer's help, Magnavox developed the Magnavox Odyssey, the first commercial home console, in 1972. Concurrently, Nolan Bushnell and Ted Dabney had the idea of making a coin-operated system to run Spacewar! By 1971, the two had developed Computer Space with Nutting Associates, the first arcade video game. Bushnell and Dabney struck out on their own and formed Atari. Bushnell, inspired by the table tennis game on the Odyssey, hired Allan Alcorn to develop an arcade version of the game, this time using discrete transistor–transistor logic (TTL) electronic circuitry. Atari's Pong was released in late 1972 and is considered the first successful arcade video game. It ignited the growth of the arcade game industry in the United States from both established coin-operated game manufacturers like Williams, Chicago Coin, and the Midway subsidiary of Bally Manufacturing, and new startups such as Ramtek and Allied Leisure. Many of these were Pong clones using ball-and-paddle controls, and led to saturation of the market in 1974, forcing arcade game makers to try to innovate new games in 1975. Many of the newer companies created in the wake of Pong failed to innovate on their own and shut down, and by the end of 1975, the arcade market had fallen by about 50% based on new game sale revenues. Further, Magnavox took Atari and several other of these arcade game makers to court over violations of Baer's patents. Bushnell settled the suit for Atari, gaining perpetual rights for the patents for Atari as part of the settlement. Others failed to settle, and Magnavox won around