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:
Jul. 27, 2010
Filed:
Mar. 02, 2005
Tetsuya Akiyama, Hirakata, JP;
Naoyasu Miyagawa, Kawanishi, JP;
Shinya Abe, Kadoma, JP;
Takashi Ishida, Yawata, JP;
Tetsuya Akiyama, Hirakata, JP;
Naoyasu Miyagawa, Kawanishi, JP;
Shinya Abe, Kadoma, JP;
Takashi Ishida, Yawata, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An optical recording medium that allows information to be recorded and played back properly, even when a type of recording medium in which information is recorded to grooves is used along with a type of recording medium in which information is recorded to lands, as well as a method for recording and playback with this medium. Recording track information is recorded in advance, indicating whether information is to be recorded in the grooves or the lands, whichever of the grooves and lands is best suited to the recording of information is selected on the basis of the recording track information that is read out, and the recording or playback of information is performed.