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. 25, 2006
Filed:
Jul. 13, 2005
Harukazu Miyamoto, Kodaira, JP;
Yoshio Suzuki, Fujisawa, JP;
Motoyuki Suzuki, Yokohama, JP;
Hisataka Sugiyama, Kodaira, JP;
Hiroyuki Minemura, Yokohama, JP;
Tetsuya Fushimi, Chigasaki, JP;
Nobuhiro Tokushuku, Yokohama, JP;
Harukazu Miyamoto, Kodaira, JP;
Yoshio Suzuki, Fujisawa, JP;
Motoyuki Suzuki, Yokohama, JP;
Hisataka Sugiyama, Kodaira, JP;
Hiroyuki Minemura, Yokohama, JP;
Tetsuya Fushimi, Chigasaki, JP;
Nobuhiro Tokushuku, Yokohama, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
An information reproducing apparatus for reproducing information recorded on an optical recording medium including a disk-like substrate, a plurality of tracks extending in a circumferential direction on the disk-like substrate and associated with a plurality of grooves wobbled in a radial direction, and a plurality of zones provided on the disk-like substrate and extending between a first position and a second position in a radial direction of the disk-like substrate. The information reproducing apparatus includes an irradiation source for irradiating a light spot on the optical recording medium, an optical detector for detecting a reflected light from the medium, and a reproducer for reproducing information by using a signal from the optical detector.