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. 29, 2008
Filed:
Oct. 25, 2002
Yoichiro Sako, Tokyo, JP;
Akiya Saito, Kanagawa, JP;
Yoshinobu Usui, Kanagawa, JP;
Yoriaki Kanada, Kanagawa, JP;
Tomihiro Nakagawa, Kanagawa, JP;
Tatsuya Inokuchi, Tokyo, JP;
Shunsuke Furukawa, Tokyo, JP;
Takashi Kihara, Chiba, JP;
Yoichiro Sako, Tokyo, JP;
Akiya Saito, Kanagawa, JP;
Yoshinobu Usui, Kanagawa, JP;
Yoriaki Kanada, Kanagawa, JP;
Tomihiro Nakagawa, Kanagawa, JP;
Tatsuya Inokuchi, Tokyo, JP;
Shunsuke Furukawa, Tokyo, JP;
Takashi Kihara, Chiba, JP;
Sony Corporation, Tokyo, JP;
Abstract
The present invention is relative with a method for recording further data on a recording medium on which there re pre-recorded data obtained on modulating M-bit data to N-bit data, where M<N. The further recorded data are recorded by changing a certain bit or bits of the N-bit data, with the remaining portion of the bits of the N-bit data being fixed.