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:
Jan. 25, 2011
Filed:
Oct. 20, 2008
Shunsuke Sehara, Osaka, JP;
Yasunori Kuwayama, Osaka, JP;
Shunsuke Sehara, Osaka, JP;
Yasunori Kuwayama, Osaka, JP;
Funai Electric Co., Ltd., Osaka, JP;
Abstract
A DSP of the DVD recorder includes a balance value setting portion for determining an appropriate value of a focus balance value α when information is reproduced from an optical disc so as to record the determined focus balance value αin a balance value storing portion and to set the same in a first amplifier of a focus error signal generating circuit, and a correction executing portion for reading the focus balance value αstored in the balance value storing portion when information is recorded in the optical discso as to correct the read value to be a focus balance value α, which is set in the first amplifier of the focus error signal generating circuit.