Title:
【発明の名称】光学式ピックアップの対物レンズ姿勢調整機構
Document Type and Number:
Japanese Patent JP2908677
Kind Code:
B2
Abstract:
An objective lens posture adjusting mechanism of an optical pickup capable of easily adjust the objective lens posture. In order to adjust an inclination angle of an objective lens about two axes relative to an optical system support base, an intermediate base is superposed upon the optical system support base via first cylindrical surfaces, an object lens support base is superposed upon the intermediate base via second cylindrical surfaces having a center axis not parallel to a center axis of the first cylindrical surfaces, and the inclination angle of the objective lens about the two axes is adjusted by relative rotations of the first and second cylindrical surfaces.
Inventors:
TATEZAWA HIDEMI
Application Number:
JP28179293A
Publication Date:
June 21, 1999
Filing Date:
October 15, 1993
Export Citation:
Assignee:
KENUTSUDO KK
International Classes:
G11B7/08; G11B7/09; G11B7/22; (IPC1-7): G11B7/08; G11B7/09
Domestic Patent References:
| JP62267927A | ||||
| JP6242117U | ||||
| JP1154558U |
Attorney, Agent or Firm:
Masao Shibata