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For broader definition, see optical storage. An optical disc is a flat, usually [note 1] disc-shaped object that stores information in the form of physical variations on its surface that can be read with the aid of a beam of light. Optical discs can be reflective, where the light source and detector are on the same side of the disc, or ...
La superficie inferiore di un compact disc da 12 cm (), che mostra la caratteristica iridescenza. La lente di lettura di un riproduttore CD. Il disco ottico è un tipo di supporto di memoria costituito da un disco piatto e sottile in genere di policarbonato trasparente contenente all'interno un sottile foglio metallico, in genere di alluminio, su cui vengono registrate e poi lette le ...
Professional Disc (PFD) is a digital recording optical disc format introduced by Sony in 2003 primarily for XDCAM, its tapeless camcorder system. It was one of the first optical formats to utilize a blue laser, which allowed for a higher density of data to be stored on optical media compared to infrared laser technology used in the CD and red laser technology used in the DVD format.
David Paul Gregg (March 11, 1923 – November 8, 2001) was an American engineer. He was the inventor of the optical disc (disk). Gregg was inspired to create the optical disc in 1958 while working at California electronics company, Westrex, a part of Western Electric. His patent for a "Videodisk" was filed in March 1962 (USPO 3350503) while ...
M-DISC. M-DISC ( Millennial Disc) is a write-once optical disc technology introduced in 2009 by Millenniata, Inc. [1] and available as DVD and Blu-ray discs. [2]
Archival Disc ( AD) is the name of a discontinued trademark owned by Sony and Panasonic describing an optical disc storage medium designed for long-term digital storage. First announced on 10 March 2014 and introduced in the second quarter of 2015, the discs are intended to be able to withstand changes in temperature and humidity, in addition ...
4. Juni 2020 · Optical disc. From Wikipedia, the free encyclopedia. Jump to navigation Jump to search. This article is about digital storage media such as CDs and DVDs. For a similarly-named anatomic feature of the eye, see optic disc. "Optical media" ...
