Optical disk drive unit

Details Optical disk drive unit Optical disk drive unit

1995-12-18

1997-12-02

Levy, Stuart S.

Dynamic information storage or retrieval

With particular cabinet structure

Slotted for edgewise insertion of storage disc

369 751, G11B 3312, G11B 700

Patent

active

056943148

ABSTRACT:
A compact optical disk drive unit improved in workability of assembly. A first printed wiring board having a signal demodulating circuit, a drive unit control circuit, and a drive circuit for driving a voice coil motor is mounted on an upper surface of a drive base. A first connector is mounted on a lower surface of the first printed wiring board. A moving optical assembly having an objective lens is movably mounted on the drive base, and a fixed optical assembly having a laser drive module and a photodetector is mounted on a lower surface of the drive base. The fixed optical assembly includes a second printed wiring board having a second connector. The first and second printed wiring boards and are connected together through the first and second connectors.

REFERENCES:
patent: 4408255 (1983-10-01), Adkins
patent: 5040997 (1991-08-01), Garner
patent: 5134252 (1992-07-01), Himeno et al.
patent: 5214630 (1993-05-01), Goto et al.
patent: 5218585 (1993-06-01), Childers et al.
patent: 5241438 (1993-08-01), Matsushima
patent: 5243495 (1993-09-01), Read et al.
patent: 5276572 (1994-01-01), Kinoshita et al.
patent: 5329412 (1994-07-01), Stefansky
patent: 5337202 (1994-08-01), Jabbarai et al.

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