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
I Love the '70s: Volume 2 I Love the '70s: Volume 2 I Love the '70s: Volume 2 is a television mini-series in the "I Love the..." series presented by VH1. The sequel to "I Love the '70s", it premiered on VH1 from July 10–14, 2006, airing at 8pm and 9pm ET each night. The Guitar Gods of 1970 were Duane Allman of The Allman Brothers Band, Terry Kath of Chicago, and Jimi Hendrix. The "Guess This Joe" was Joe Torre. The Guitar Gods of 1971 were Pete Townshend of The Who, Jerry Garcia of the Grateful Dead, and Jimmy Page of Led Zeppelin The "Guess