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
Philips Computers These systems were actively marketed in certain markets through Vendex. These systems were on display in the now defunct warehouse chain Vroom & Dreesmann in the Netherlands. Headstart PCs were manufactured in South Korea by Samsung and monitors by Daewoo. In the 2000s Philips briefly introduced a handheld PC: the Velo. NMS series PCD series (with CD-ROM) PCL series (notebook computers Magnavox Philips Internal Reference (not sold) Third Parties Vendex Headstart Monitors - Magnavox / Philips These monitors were sold / shipped with Magnavox / Philips PCs: Monitors - Vendex These monitors were sold / shipped with Vendex PCs: Peripherals