Copyright and video games between the games were limited to the plaintiff's ideas. According to the court the similarities, "were inevitable given the requirements of the idea of a game involving a spaceship combating space rocks and given the technical demands of the medium of a video game." In Atari v. North American Philips Consumer Electronics Corp. (1982) the 7th Circuit wrote that "no plagiarist can excuse the wrong by showing how much of his work he did not pirate." This was said in the context of the fact that, "while a game is not protectable by copyright as such, this kind of work
History of video games Sega Enterprises's "Periscope" (1967) and Chicago Coin's "Speedway" (1969) pioneered the adoption of elaborate visual displays and electronic sound effects in the amusement arcade. Consequently, when a recent engineering graduate from Utah with experience running coin-operated equipment named Nolan Bushnell first saw "Spacewar!" at SAIL in late 1969 or early 1970, he resolved to build a coin-operated version for public consumption. Enlisting the aid of an older and more experienced engineer named Ted Dabney, Bushnell built a variant of the game called "Computer Space" in which a single player-controlled spaceship dueled two hardware-controlled flying saucers. Released in late November or