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:
Sep. 10, 1996
Filed:
Feb. 14, 1994
Samsung Aerospace Industries, Ltd., Kyeongsangnam, KR;
Abstract
Disclosed is an electromagnetic lens shutter apparatus of simple construction which can be applied to a camera having an automatic exposure control function and an automatic focus control function. The electromagnetic lens shutter apparatus comprises a lens mount; at least two sheet-like lens shutter blades; an exposure adjustment ring; opening means for opening and closing the shutter blades; and a central processing unit to control the rotation of a linear pulse motor. The linear pulse motor includes a circular rotor mounted around the cylindrical portion and a plurality of stators placed around the rotor, each stator has two armatures mounted on an inner circumference thereof with a predetermined distance from the rotor. The rotor has a plurality of projections on the outer circumference thereof projected radially outwardly at regular intervals. A permanent magnet is provided between the stators.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile