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:
Feb. 19, 2013
Filed:
Mar. 20, 2012
Toshihiko Sakai, Osaka, JP;
Hirohisa Yamada, Osaka, JP;
Masaki Yamamoto, Osaka, JP;
Yasuhiro Harada, Osaka, JP;
Go Mori, Osaka, JP;
Hideharu Tajima, Osaka, JP;
Nobuyuki Takamori, Osaka, JP;
Toshihiko Sakai, Osaka, JP;
Hirohisa Yamada, Osaka, JP;
Masaki Yamamoto, Osaka, JP;
Yasuhiro Harada, Osaka, JP;
Go Mori, Osaka, JP;
Hideharu Tajima, Osaka, JP;
Nobuyuki Takamori, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A super-resolution optical recording medium includes: a medium information region on which medium identification information is recorded; a content region on which content information is recorded; and a blank region provided between the medium information region and the content region and in which at least two tracks are provided so as to connect a train of prepits in the medium information region and a train of prepits in the content region. No information is recorded on the blank region. Thus, a super-resolution optical recording medium is provided in which a region on which medium identification information is recorded and a region on which content information is recorded are different in track pitch and in which a reproduction error hardly occurs when reproduction shifts from the region on which the medium identification information is recorded to the region on which the content information is recorded.