Optical head device

Details Optical head device Optical head device

1997-04-14

1998-07-07

Swann, Tod R.

Dynamic information storage or retrieval

Specific detail of information handling portion of system

Radiation beam modification of or by storage medium

369 4414, 369 4422, G11B 700

Patent

active

057779724

ABSTRACT:
Disclosed is an optical head device, which has: an optical head for emitting a light beam to an optical disk; a head holder for holding the optical head; a base member which reciprocatively moves the head holder along a radius direction of the optical disk while holding the head holder rotatable around an axis approximately along a tangential line to a track of the optical disk; a rotation energizing means for energizing the rotation of the head holder; and an inclination detecting means for detecting an emission angle of the light beam to a recording surface of the optical disk; wherein the head holder has a center axis for its rotation which passes through near a center of gravity of the entire composition of the head holder including the optical head.

REFERENCES:
patent: 5243584 (1993-09-01), Kang
patent: 5265079 (1993-11-01), Getreuer et al.
patent: 5289445 (1994-02-01), Luecke
patent: 5455811 (1995-10-01), Tanaka

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