Dynamic information storage or retrieval – With servo positioning of transducer assembly over track... – Optical servo system
Reexamination Certificate
2006-10-03
2006-10-03
Edun, Muhammad (Department: 2627)
Dynamic information storage or retrieval
With servo positioning of transducer assembly over track...
Optical servo system
C369S053190, C369S044280
Reexamination Certificate
active
07116610
ABSTRACT:
An optical disk device and a tilt correction method capable of high precision tilt correction with a smaller number of measurement positions are provided. Prior to data recording and reproduction, a number of measurement positions are set in the radial direction on an optical disk with intervals between two adjacent measurement positions shorter and shorter from the inner region to the peripheral region of the optical disk. The tilt at each of the measurement positions is measured, and the resulting tilt data are stored in a memory. The tilt data are used for making tilt corrections when recording or reproducing data on the optical disk.
REFERENCES:
patent: 5128806 (1992-07-01), Ohno
patent: 5140572 (1992-08-01), Kibune et al.
patent: 5303089 (1994-04-01), Ohno
patent: 5351221 (1994-09-01), Ohno
patent: 5777960 (1998-07-01), Ohno
patent: 5828634 (1998-10-01), Ohno et al.
patent: 6532118 (2003-03-01), Ohno
patent: 2002/0034151 (2002-03-01), Nakajima
patent: 2002/0131347 (2002-09-01), Raaymakers
patent: 2003/0112726 (2003-06-01), Ohno
patent: 2003/0123161 (2003-07-01), Ohno
patent: 2000-339727 (2000-12-01), None
Ninomiya Masaki
Ohno Takehide
Dickstein & Shapiro LLP
Edun Muhammad
Ricoh & Company, Ltd.
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