Focus search method and reproducing apparatus

Details Focus search method and reproducing apparatus Focus search method and reproducing apparatus

2006-05-16

2006-05-16

Klimowicz, William (Department: 2652)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S044270, C369S044290, C369S094000

Reexamination Certificate

active

07046609

ABSTRACT:
A pickup is moved in a direction opposite to a pickup moving direction in which the pickup is to be moved. At a timing at which a period of time corresponding to one period of oscillation generated on an objective lens of the pickup has passed after moving the pickup in the direction opposite to the pickup moving direction, the pickup is moved in the pickup moving direction.

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patent: 5719834 (1998-02-01), Futagawa et al.
patent: 5875162 (1999-02-01), Baba
patent: 2002/0031061 (2002-03-01), Yonezawa et al.
patent: 2002/0048236 (2002-04-01), Tada et al.
patent: 10198993 (1998-07-01), None
patent: 10-241169 (1998-09-01), None
patent: 2001-134958 (2001-05-01), None

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