Three And Four Dimensional Storage Devices
Original Publication Date: 1979-Dec-01
Included in the Prior Art Database: 2005-Feb-20
Information can be stored optically in a two(x,y)-, three(x.y,z or x,y.w, here w is a frequency space)-, or four (x,y,z.w)-dimensional matrix. A piezoelectric detector may be used to read information in an optical storage device, as shown in the drawing.