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:
May. 30, 1989
Filed:
Nov. 06, 1987
Applicant:
Inventors:
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ; G11B / ;
U.S. Cl.
CPC ...
360 965 ; 360 9905 ;
Abstract
A rotary magnetic disc device suitable for use in a magnetic recording/reproducing apparatus in an electronic still camera or the like. In the rotary magnetic disc device, a cover lock mechanism, a regulation plate drive mechanism and a center core push drive mechanism can be operated by use of a movable plate the movement of which can be controlled by a cam and, therefore, an operation to remove the locking of a cover, an operation to retreat a regulation plate and an operation to remove the pushing against a center core can be performed by a single drive source, so that a compact rotary magnetic disc device can be obtained.