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
The Vision Factory The Vision Factory The Vision Factory (also known under the names SPC Vision, SPC Codim and SPC Group) was a Dutch developer of video games for the Philips CD-i. The Vision Factory was originally a developer of business software named SPCC (allegedly an acronym for Sergeant Pepper's Computer Company). They impressed Philips with CD-i games with colorful sprites, like the shooter "Alien Gate". "The Vision Factory" was the label under which the SPC games were released. Their most famous game is probably the puzzle game "Dimo's Quest", that was originally developed by Boeder Games / Infernal Byte Systems for the