Automatic Loop Gain Control System Of Compact Disk (CD) Player's Tracking Servo

Shigeki Inoue; Yoshimi Iso; Harushige Nakagaki; Masafumi Nakamura

doi:10.1117/12.970207

1 January 1983 Automatic Loop Gain Control System Of Compact Disk (CD) Player's Tracking Servo

Shigeki Inoue, Yoshimi Iso, Harushige Nakagaki, Masafumi Nakamura

Proceedings Volume 0382, Optical Data Storage; (1983) https://doi.org/10.1117/12.970207
Event: Optical Data Storage, 1983, Incline Village, United States

Abstract

We developed the Automatic Loop gain Control System of CD Player's tracking servo. It measures Frame error numbers with changing the loop gain in playback, and enlarges the loop gain by a fixed value from the loop gain when the error numbers increase suddenly. Consequently, we were able to decrease the lens actuator noise and to adjust the deviation of track loop gain by disc characteristics.

Citation Download Citation

Shigeki Inoue, Yoshimi Iso, Harushige Nakagaki, and Masafumi Nakamura "Automatic Loop Gain Control System Of Compact Disk (CD) Player's Tracking Servo", Proc. SPIE 0382, Optical Data Storage, (1 January 1983); https://doi.org/10.1117/12.970207

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