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History. The earliest theoretical work on optical disc storage was done by independent researchers in the United States including David Paul Gregg (1958) and James Russel (1965–1975).
15 Ιουλ 2024 · Sony & Phillips Introduce the CD-ROM. In 1985 Sony, Tokyo, Japan and Philips, Eindhoven, Netherlands, developed the "Yellow Book" standard, allowing the compact disc (CD) to hold any form of binary data.
In later years, the compact disc was adapted for non-audio computer data storage purposes as CD-ROM and its derivatives. First released in Japan in October 1982, the CD was the second optical disc technology to be invented, after the much larger LaserDisc (LD).
2 Δεκ 2015 · In 1985, CD-ROM discs containing government, medical, and demographic databases began to appear and Gary Kildall, who had earlier ported the title to a Pioneer LaserDisk, worked with Grolier to produce the Academic American Encyclopedia on CD-ROM.
The first workable digital compact disc device, the precursor to now ubiquitous CD/DVDs, was invented in the late 1960s by the American physicist James Russell, who was quite frustrated with the wear and tear of his vinyl records and their poor sound quality and tried to improve the record player.
6 Μαρ 2024 · But when were CDs invented, and how do they actually work? In this article, we will explore the origins of the compact disc. We will also look at how CDs and CD drives work, while investigating what the future holds for this technology.
In 1992, Kodak launched the photo CD for storing digitised photographs. This system accessible to everybody, private individuals and professionals, the first “bridge” between analogue and digital, enabled the storing of around a hundred analogue pictures scanned with high resolution.
