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 Records late 1950s till late 1970s. In the UK, Philips developed a strong popular music roster, signing acts like Marty Wilde, Roy Castle, Anne Shelton, the Four Pennies, Dusty Springfield, and the Walker Brothers. The American pop label was launched in 1962 starting with the R&B single "Gee Baby" by Ben & Bea and showed a comfortability with folk-country, releasing "Makes You Wanna Sigh" by Ross Legacy in 1969. It signed the Four Seasons in 1964. It also played a major part in promoting the garage rock genre and the psychedelic rock genre in the mid to late 60s, their most