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:
Jun. 24, 2003
Filed:
Mar. 08, 2001
Shuichi Kikuchi, Miyagi, JP;
Rie Izu, Miyagi, JP;
Sony Corporation, Tokyo, JP;
Abstract
To easily know a correct direction of insertion into a recorder/player and assure a large width of an access opening through which the optical head approaches an optical disc, a disc cartridge is provided which includes an access opening ( ) formed in a cartridge body ( ) and through which a part of the recording area of an optical disc ( ), extending between lead-in and lead-out areas, is exposed outside for data read and write, a pair of shutter members ( ), ( ) provided movably towards and away from each other to open and close the access opening ( ); and a shutter open/close mechanism ( ) having a pair of guide recesses ( ) and ( ) formed in a main side the of the cartridge body ( ) obliquely in relation to the width of the cartridge body ( ) to support the pair of shutter members ( ) and ( ), respectively, to be movable.