Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2008-01-29
2008-01-29
Korzuch, William R. (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S044220
Reexamination Certificate
active
07324412
ABSTRACT:
An actuator includes a focusing-substrate having a focusing coil pattern for generating focusing driving force, the focusing-substrate being provided with a land part and a hole through which laser beams pass, tracking coils for generating tracking driving force, the tracking coils being wound around opposite sides of the focusing substrate in parallel with the a wire direction, magnets for providing magnetic force to the focusing coil pattern and the tracking coils, and a yoke plate provided with a pair of first yokes for fixing the magnets.
REFERENCES:
patent: 2005/0060732 (2005-03-01), Kang et al.
patent: 63129535 (1988-06-01), None
patent: 06176386 (1994-06-01), None
patent: 11306563 (1999-11-01), None
patent: 1020030006588 (2003-01-01), None
Hong Goo
Im Jang-Young
Kim Jeen-Gie
Nam Do-Sun
Yoon Young-Bok
Christensen O'Connor Johnson & Kindness PLLC
Korzuch William R.
Ortiz-Criado Jorge L.
Samsung Electro-Mechanics Co. Ltd.
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