David Paul Gregg
Encyclopedia
Dr. David Paul Gregg was the inventor of the optical disc
(disk). Gregg was inspired to create the optical disc in 1958. He originally had it patented as the "Videodisk" in 1961. In 1968 his patents were purchased by MCA
who help develop the technology further. His designs and patents gave way for the Laserdisc
, which helped with the creation of the DVD
, compact discs, and MiniDisc
.
Optical disc
In computing and optical disc recording technologies, an optical disc is a flat, usually circular disc which encodes binary data in the form of pits and lands on a special material on one of its flat surfaces...
(disk). Gregg was inspired to create the optical disc in 1958. He originally had it patented as the "Videodisk" in 1961. In 1968 his patents were purchased by MCA
Music Corporation of America
MCA, Inc. was an American talent agency. Initially starting in the music business, they would next become a dominant force in the film business, and later expanded into the television business...
who help develop the technology further. His designs and patents gave way for the Laserdisc
Laserdisc
LaserDisc was a home video format and the first commercial optical disc storage medium. Initially licensed, sold, and marketed as MCA DiscoVision in North America in 1978, the technology was previously referred to interally as Optical Videodisc System, Reflective Optical Videodisc, Laser Optical...
, which helped with the creation of the DVD
DVD
A DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....
, compact discs, and MiniDisc
MiniDisc
The disc is permanently housed in a cartridge with a sliding door, similar to the casing of a 3.5" floppy disk. This shutter is opened automatically by a mechanism upon insertion. The audio discs can either be recordable or premastered. Recordable MiniDiscs use a magneto-optical system to record...
.