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:
Aug. 20, 2002
Filed:
Dec. 22, 1997
Kenji Kasahara, Kanagawa, JP;
Shigeaki Koike, Kanagawa, JP;
Yoji Ishii, Kanagawa, JP;
Naoki Inoue, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
Disclosed is an information recording/reproducing device using an upright disk-like recording medium contained in a cartridge, wherein an objective lens is stably moved in the tracking direction with less undesirable displacement and also the entire optical head portion including the objective lens is prevented from being undesirably moved. The device includes a disk mounting portion on which a disk contained in a cartridge is mounted with a recording surface portion located within a vertical plane, an optical head portion having an objective lens opposed to the recording surface portion of the disk, and an optical head drive portion, a tracking control portion, and a cartridge housing portion for housing and supporting the cartridge containing the disk when the disk is mounted on the disk mounting portion. The cartridge containing the disk is inserted into the cartridge housing portion in the direction crossing the vertical direction and the movement of the objective lens by the tracking control portion is performed in the direction perpendicular to the vertical direction.