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. 29, 1992
Filed:
Aug. 01, 1991
Applicant:
Inventor:
Naoki Imokawa, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
369291 ; 360133 ;
Abstract
A disk cartridge comprises a disk-like information recording medium and a containing portion containing the recording medium in the cartridge. The containing portion is shaped complementary to the configuration of the medium, and formed with a stepped portion inside the outer periphery of the containing portion and formed with a wall portion near the central portion of the containing portion, with the wall portion being higher than the stepped portion. -