Optical video recording technology, using a transparent disc, was invented by David Paul Gregg and James Russell in 1963 (and patented in 1970 and 1990). The Gregg patents were purchased by MCA in 1968. By 1969, … See more

A standard home video LaserDisc is 12 in (30 cm) in diameter and made up of two single-sided aluminum discs layered in plastic. Although similar in appearance to compact discs or DVDs, early LaserDiscs used … See more

The earliest players employed gas helium–neon laser tubes to read discs and had a red-orange light with a wavelength of 632.8 nm, while later solid-state players used infrared semiconductor laser diodes with a waveleng… See more

During its development, MCA (which co-owned the technology), referred to it as the Optical Videodisc System, "Reflective Optical Videodisc" or "Laser Optical Videodisc", depending on the document; changing th… See more

LaserDisc had several advantages over VHS. It featured a far sharper picture with a horizontal resolution of 425 television lines (TVL) for NTSC and 440 TVL for PAL discs, while VHS featured only 240 TVL with NTSC. … See more