David paul gregg biography definition

  • David paul gregg biography definition
  • Compact Discor CD from Philips the 3M Company

    Optical Disc invented by David Paul Gregg in year 1958!

    David Paul Gregg

    American engineer and inventor (1923-2001)

    David Paul Gregg

    Born(1923-03-11)March 11, 1923
    DiedNovember 8, 2001(2001-11-08) (aged 78)

    Culver City, California, U.S.

    NationalityAmerican
    Occupation(s)Engineer, inventor

    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.

    David paul gregg biography definition

  • Compact Discor CD from Philips the 3M Company
  • Optical Disc invented by David Paul Gregg in year 1958
  • When were dvds popular
  • Optical media examples
  • His patent for a "Videodisk" was filed in March 1962 (USPO 3350503) while working to advance electron beam recording and reproducing.

    Gregg went to work at 3M's Mincom division with experienced television videotape engineers Wayne Johnson and Dean De Moss.

    The three men subsequently filed patents to cover a disc-recording system, a way to duplicate discs, and reproducing TV signals from photographic discs. When Mincom contracted Stanford's SRI