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:
Dec. 05, 2006
Filed:
Mar. 20, 2003
Jae-yong Eum, Gyeonggi-do, KR;
Yong-hoon Lee, Gyeonggi-do, KR;
Hong-kyun Yim, Gyeonggi-do, KR;
Chong-sam Chung, Gyeonggi-do, KR;
Han-kook Choi, Gyeonggi-do, KR;
Takizawa Teruyuki, Neyagawa, JP;
Saji Yoshito, Nishinomiya, JP;
Okazawa Hironori, Katano, JP;
Jae-yong Eum, Gyeonggi-do, KR;
Yong-hoon Lee, Gyeonggi-do, KR;
Hong-kyun Yim, Gyeonggi-do, KR;
Chong-sam Chung, Gyeonggi-do, KR;
Han-kook Choi, Gyeonggi-do, KR;
Takizawa Teruyuki, Neyagawa, JP;
Saji Yoshito, Nishinomiya, JP;
Okazawa Hironori, Katano, JP;
Samsung Electronics Co., Ltd., Suwon-si, KR;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A disc cartridge includes a case accommodating a disc and having an aperture hole formed on a first surface of the case so that a recording/reproducing apparatus access a recording surface of the disc, and an open hole formed on a second surface to be open to an outside of the case, a shutter opening/shutting the aperture hole and installed in the case, a disc holder installed at a side defining the open hole to move up and down and covering a gap between an outer circumference of the disc and an inner surface of the side defining the open hole when the disc holder descends, and a shutter driving mechanism moving the shutter so that the aperture hole is open/shut. Thus, a passage through which dust is introduced toward an information area of the disc, and a gap formed at an outer circumference are blocked by the disc holder so that a possibility of contamination by dust can be reduced.