Method for adjusting reproduction speed of CD-ROM drive and devi

Details Method for adjusting reproduction speed of CD-ROM drive and devi Method for adjusting reproduction speed of CD-ROM drive and devi

1997-07-16

2000-01-18

Tran, Thang V.

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

369 54, G11B 700

Patent

active

060162961

ABSTRACT:
A device and method for adjusting the reproduction speed of a CD-ROM drive according to variations of a supply voltage. The supply voltage is compared with a predetermined reference voltage. If the supply voltage is lower than the reference voltage, the rotating speed of the spindle motor is lowered to a corresponding speed. Therefore, the error correcting capability of the DSP is maintained and the reliability of a product increases.

REFERENCES:
patent: 5051976 (1991-09-01), Kawano et al.
patent: 5642342 (1997-06-01), Murata

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