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:
Oct. 21, 2008
Filed:
Apr. 14, 2005
Masaki Katoh, Kanagawa, JP;
Yuki Nakamura, Kanagawa, JP;
Katsuyuki Yamada, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A recordable optical information recording medium having an address t for each sector, comprises: an area Astarting from an address tto which access is made only when a recording apparatus performs recording operation; an area Astarting from an address tto which access is made either when the recording apparatus performs the recording operation or when the recording apparatus performs reproducing operation; and an area Astarting from an address tto which access is made either when either the recording apparatus or a reproducing apparatus performs recording or when either the recording apparatus or the reproducing apparatus performs reproducing. The addresses t are set consecutively with respect to a physical arrangement of the sectors in each of the areas Aand A, and the area Ahas at least one inconsecutive part at which the addresses t are not consecutive with respect to the physical arrangement of the sectors.