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Patent Searching and Data


Title:
OPTICAL DISK DRIVING DEVICE
Document Type and Number:
Japanese Patent JP3145241
Kind Code:
B2
Abstract:

PURPOSE: To provide a compact optical disk driving device whose assembling workability is improved.
CONSTITUTION: A first printed circuit board 38 comprising a signal demodulator circuit, a driving device control circuit and a driving circuit for driving a voice coil motor is mounted on the surface of a drive base 4. A first connector 40 is mounted on the rear side of the first printed circuit board 38. A movable optical assembly 24 having an objective lens 52 is mounted on the drive base 4 so as to be movable and a fixed optical assembly 26 having a laser diode module 54 and a photodetector 56 is mounted on the rear side of the drive base 4. The fixed optical assembly 26 contains a second printed circuit board 44 having a second connector 46 and the first and second printed circuit boards 38, 44 are connected through the first and the second connectors 40, 46.


Inventors:
Jun Aoki
Hidenori Saito
Application Number:
JP469094A
Publication Date:
March 12, 2001
Filing Date:
January 20, 1994
Export Citation:
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Assignee:
富士通株式会社
International Classes:
G11B7/0037; G11B7/08; G11B7/12; G11B25/04; G11B33/12; (IPC1-7): G11B7/08; G11B25/04; G11B33/12
Domestic Patent References:
JP5217357A
Attorney, Agent or Firm:
Akira Matsumoto