Discus opticus

Discus opticus in computatione systematis digitalis et technologiis impressionis per discum opticum est discus planus, plerumque rotundus, qui data binaria (bits) in una ex eius superficiebus planis scribit in forma disci compacti (valoris binarii zeri inopiá repercussionis cum legitur) et considit in materiam praecipuam (saepe aluminium (valoris binarii unius ob repercussionem cum legitur). Inventor disci optici fuit David Paulus Gregg (11 Martii 1923—8 Novembris 2001).

Lens optica agitatoris disci compacti.

Ima disci compacti superficies iridescentiam propriam monstrat.

Unus e discis opticis analogicis anno 1935 pro Licht-Tone Orgel impressus.

Disci qui iterum inscribi possunt usitate mixturam comprehendunt quae stratum retinet in materia mutationis phasis consistens, saepissime AgInSbTe, mixtura argenti, indii, stibii, tellurii.

Nexus interni

• Discus compactus
• Discus versatilis digitalis

Nexus externus

Vicimedia Communia plura habent quae ad discum opticum spectant.

• "Inventor of the Week Archive: The Digital Compact Disc". Massachusetts Institute of Technology. December 1999 .
• Dudley, Brier (20 Novembris 2004). "Scientist's invention was let go for a song". The Seattle Times .
• "David Gregg and the Optical Disk". About.com .
• Byers, Fred R. (2003). Care and Handling of CDs and DVDs — A Guide for Librarians and Archivists. National Institute of Standards and Technology. 
• Romeyn, Jacob. "50th-anniversary -of-the-optical-disc" 
• "Optical Storage Technology Association." 
• O'Kelly, Terence. Reference Guide for Optical Media. Memorex Inc. 
• "The history of ideas "the optical disc as a "unique" carrier of information in the systems management". European Society of the History of Science. 
• "Thomson-CSF's transmissive videodisc" 
• "Know Your Digital Storage Media: a guide to the most common types of digital storage media found in archives". USA.: University of Texas at San Antonio