Optical disk drive unit
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 2, 1997
Issued Date -
N/A
app pub date -
Dec 18, 1995
filing date -
Jan 20, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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