Philips CD-i the FW380i, an integrated mini-stereo and CD-i player; the 21TCDi30, a television with a built-in CD-i device; and the CD-i 180/181/182 modular system, the first CD-i system produced in collaboration with Kyocera in 1988, before the actual debut of CD-i. In addition to Philips, several manufacturers produced CD-i players, including Philips subsidiary Magnavox, GoldStar / LG Electronics, Digital Video Systems, Memorex, Grundig, Saab Electric, Sony (Intelligent Discman, a hybrid home/portable CD-i player), Kyocera, NBS, Highscreen, and Bang & Olufsen, who produced a television with a built-in CD-i device (Beocenter AV5). Recognizing the growing need among marketers for networked multimedia, Philips
Green Book (CD standard) on CD-i tracks, as well as certain specific files that are required to be present in a CD-i compatible disc. The CD-i Ready format is a type of bridge format, also designed by Philips, that defines discs compatible with CD Digital audio players and CD-i players. This format puts CD-i software and data into the pregap of Track 1. The CD-i Bridge format, defined in Philips' White Book, is a transitional format allowing bridge discs to be played both on CD-ROM drives and on CD-i players. Green Book (CD standard) The "Green Book", formally known as the "CD-i Full Functional