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:
Jan. 11, 2000
Filed:
Nov. 19, 1992
Applicant:
Inventor:
Hirotoshi Fujisawa, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360133 ; 369291 ;
Abstract
A disc cartridge is provided which may be positively loaded in position on cartridge loading section within a recording and/or reproducing apparatus and in which a cartridge main body may be fabricated easily. The disc cartridge is provided with a cartridge main body in which a disc for recording information signals, a shutter member movably mounted on the cartridge main body, and a groove into which may be introduced a shutter opening member is adapted for opening the shutter member and which is provided on the cartridge main body along the direction of movement of the shutter member. A clearance is formed in the groove for clearing the shutter opening member.