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  2. James Russell (inventor) - Wikipedia

    en.wikipedia.org/wiki/James_Russell_(inventor)

    James T. Russell (born 1931) is an American inventor. ... James T. Russell, The Digital Compact Disc at the Wayback Machine (archived April 2, 2013) Adam Holdorf ...

  3. Optical recording - Wikipedia

    en.wikipedia.org/wiki/Optical_recording

    Russell had found a way to record digital information onto a photosensitive plate in tiny dark spots, each spot one micrometre from centre to centre, with a laser that wrote the binary patterns. Russell's first optical disc was distinctly different from the eventual compact disc product: the disc in the player was not read by laser light.

  4. CD player - Wikipedia

    en.wikipedia.org/wiki/CD_player

    The unified design of the compact disc allowed consumers to purchase any disc or player from any company and allowed the CD to dominate the at-home music market unchallenged. [8] The Sony CDP-101, released in 1982, was the world's first commercially released compact disc player. It was originally sold only in Japan.

  5. Compact disc - Wikipedia

    en.wikipedia.org/wiki/Compact_disc

    [7] [8] It is debatable whether Russell's concepts, patents, and prototypes instigated and in some measure influenced the compact disc's design. [9] The compact disc is an evolution of LaserDisc technology, [10] where a focused laser beam is used that enables the high information density required for high-quality digital audio signals. Unlike ...

  6. LaserDisc - Wikipedia

    en.wikipedia.org/wiki/LaserDisc

    Compact disc : CD-DA, CD-ROM, CD ... was invented by David Paul Gregg and James Russell in 1963 ... Pioneer continued to repair and service players until September 30

  7. Optical disc - Wikipedia

    en.wikipedia.org/wiki/Optical_disc

    Both Gregg's and Russell's disc are floppy media read in transparent mode, which imposes serious drawbacks, after this were developed four generations of optical drive that includes Laserdisc (1969), WORM (1979), Compact Discs (1984), DVD (1995), Blu-ray (2005), HD-DVD (2006), more formats are currently under development.

  8. AOL Mail

    mail.aol.com

    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  9. Talk:Compact disc - Wikipedia

    en.wikipedia.org/wiki/Talk:Compact_disc

    With an interest in lasers, Russell soon began his research in an optical system that would replace a phonograph's needle and replace it with a laser that would read codes in order to record and playback sound.[173][174] At 12 inches (30 cm) in diameter, Russell in 1970 had successfully invented and built the world's first compact disc that ...