Blue Book (CD standard) file system may also be included for compatibility with Mac OS computers. The mandatory files and directories include an autorun.inf file compatible with the Windows 95 AutoRun feature; a CDPLUS and a PICTURES directories; and an optional DATA directory. The term "enhanced CD" is also an umbrella term and a certification mark used to refer to different CD formats that support audio and data content, including mixed mode CDs, CD-i and CD-i Ready. Blue Book (CD standard) The Blue Book is a compact disc standard developed in 1995 by Philips and Sony. It defines the Enhanced Music CD format (E-CD,
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