Optical data reading device

摘要

An optical data reading device wherein an optical pick-up head (10), which reads the light reflected from a disk data recording carrier (1) by detecting a light flux (8) onto a data track of the disk, is movable radially of the disk along a carrier (15) that is tiltable about an axis (18). The spacing between the optical pick-up head and the disk may then be kept almost constant by tilting the mounting plate and optical pick-up head in response to an output signal of a detector which detects warp of the disk.