CD player in 1970. Following litigation, Sony and Philips licensed Russell's patents (then held by a Canadian company, Optical Recording Corp.) in the 1980s. The Compact Disc is an evolution of LaserDisc technology, where a focused laser beam is used that enables the high information density required for high-quality digital audio signals. Prototypes were developed by Philips and Sony independently in the late 1970s. In 1979, Sony and Philips set up a joint task force of engineers to design a new digital audio disc. After a year of experimentation and discussion, the "Red Book" CD-DA standard was published in 1980. After their
Link: The Faces of Evil and Zelda: The Wand of Gamelon Link: The Faces of Evil and Zelda: The Wand of Gamelon Link: The Faces of Evil and Zelda: The Wand of Gamelon are two action-adventure video games developed by Animation Magic and published by Philips Interactive Media for the CD-i. The two games were released on the same day, were developed simultaneously, and look and play similarly because they use the same graphic engine. A third "Zelda" game released for the CD-i, "Zelda's Adventure", featured a different developer and perspective than its predecessors. "Link: The Faces of Evil" puts the player in control of Link, who goes on a quest