Servo control apparatus and method utilizing a light spot shifted beyond a signal change area of an information record medium
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 10, 2002
Grant Date -
Aug 30, 2001
app pub date -
Feb 27, 2001
filing date -
Feb 28, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A servo control apparatus for carrying out a servo control when information is reproduced from an information record medium having an embossed area where information cannot be recorded, such as DVD-RW, is provided. The servo control apparatus detects a position of a light spot formed by the light beam except the embossed area on the information record medium, and shifts the light spot beyond the embossed area to a predetermined target position to be radiated with the light beam, which is positioned in another side of the embossed area on the information record medium, on the basis of the detected position.
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