Coil controlling for optical pick-up

Details Coil controlling for optical pick-up Coil controlling for optical pick-up

2009-02-27

2011-10-25

Dinh, Tan X (Department: 2627)

Dynamic information storage or retrieval

Condition indicating, monitoring, or testing

Including radiation storage or retrieval

C369S053230, C369S044230

Reexamination Certificate

active

08045433

ABSTRACT:
A pickup apparatus including: at least a coil constituting an actuator, a signal to be sent to the coil being obtained by calculation using an algorithm on the basis of at least one of a focus error signal and a tracking error signal.

REFERENCES:
patent: 6185168 (2001-02-01), Kato et al.
patent: 2004/0213115 (2004-10-01), Nakata et al.
patent: 2008/0095018 (2008-04-01), Hibino et al.
patent: 2009/0316539 (2009-12-01), Mikami et al.
patent: 2006-024277 (2006-01-01), None

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