Optical data reading device

Details Optical data reading device Optical data reading device

1985-03-22

1987-01-13

McElheny, Jr., Donald

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 45, G11B 7095

Patent

active

046370048

ABSTRACT:
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.

REFERENCES:
patent: 4183060 (1980-01-01), Barnette et al.
patent: 4300226 (1981-11-01), Barnette et al.
patent: 4321701 (1982-03-01), Arquie et al.
patent: 4414657 (1982-11-01), Arquie et al.

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