Green Book (CD standard) Green Book (CD standard) The "Green Book", formally known as the "CD-i Full Functional Specification", is a CD standard announced in 1986 by Philips and Sony that defines the format for interactive, multimedia compact discs designed for CD-i players. The standard was originally not freely available and had to be licensed from Philips. However, the 1994 version of the standard was eventually made available free by Philips. CD-i discs conform to the "Red Book" specification of audio CDs (CD-DA). Tracks on a CD-i's program area can be CD-DA tracks or CD-i tracks, but the first track must always be a
Philips the set was disappearing. Approximately 150 of these sets were eventually produced. In parallel with the generator set Philips developed experimental Stirling engines for a wide variety of applications and continued to work in the field until the late 1970s, though the only commercial success was the 'reversed Stirling engine' cryocooler. However, they filed a large number of patents and amassed a wealth of information, which they later licensed to other companies. The first Philips shaver was introduced in the 1930s, and was simply called Philishave. In the US, it was called Norelco. The Philishave has remained part of the