The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 16, 2011
Filed:
Jun. 03, 2010
Syunsuke Sehara, Daito, JP;
Syunsuke Sehara, Daito, JP;
Funai Electric Co., Ltd., Daito-shi, JP;
Abstract
An optical disk apparatus to record data on an optical disk on which a wobble is formed, the optical disk apparatus including; a detection unit including a BPF which a signal obtained from a reflected light from an optical disk passes, the detection unit to detect a wobble signal from a wobble based on the signal passing the BPF; and a register to store an adjustment value for adjusting the BPF as a register value, so as to adjust the BPF based on each of register values obtained by changing the register value 1 LSB by 1 LSB; acquire an amplitude of the signal passing the BPF, the amplitude corresponding to each of the register values; identify one of the register values for the largest acquired amplitude; and adjust the BPF based on a value obtained by adding 1 LSB to the identified register value when data is recorded.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile