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:
Apr. 15, 2008
Filed:
Sep. 13, 2004
Seong-taek Kang, Gyeonggi-Do, KR;
Seung-hon Yoo, Seoul, KR;
Wae-yeul Kim, Gyeonggi-Do, KR;
LG Electronics Inc., Seoul, KR;
Abstract
Disclosed is an optical disc cartridge comprising: a casing having a disc inserting/opening part for inserting and taking out a disc at an upper surface thereof and having an access hole to which an optical pickup accesses at a lower surface thereof; a pair of shutters mounted in the casing, for opening and closing the access hole and contact-supporting a disc at two points or at one point; a rotation wheel rotatably coupled to the shutters, for moving the shutters and placing an optical disc thereon; a wheel fixing/releasing means mounted at an inner side of the casing, for fixing or releasing the rotation wheel; and a disc fixing/releasing means movably mounted at the casing, for controlling a size of the disc inserting/opening part and thereby limiting an insertion/takeout of an optical disc into/from the disc inputting opening, and an apparatus of recording or reproducing data on or from an optical disc, comprising: a driving unit rotating an optical disc inserted in the optical disc cartridge; and a recording or reproducing unit recording or reproducing data on or from the optical disc.