Inventor
BEAUCHAMP ROBERT C
US3 patents
Patents
3 patentsUS5283159AFeb 1, 1994
Optical recording medium and method for improved pit geometry and increased laser tracking
DEL MAR AVIONICS29 citations87
US5293370AMar 8, 1994
Method and apparatus for creating optical disc masters
DEL MAR AVIONICS8 citations62
US5050021ASep 17, 1991
Expanded micro cassette player-recorder
DEL MAR AVIONICS3 citations54