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. 11, 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 a DVD recorder includes: a gain setting portion determining appropriate values of a first gain α and a second gain β when playback of an optical disc is performed, recording the first gain α and the second gain β thus determined in a gain storing portion, and setting them in a main differential amplifier and a sub differential amplifier, respectively; and a correction performing portion reading, when recording on the optical disc is performed, the first gain α and the second gain β stored in the gain storing portion, correcting at least one of them, and setting them in the main differential amplifier and the sub differential amplifier, respectively.