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.

Date of Patent:
Sep. 20, 1994

Filed:

Nov. 10, 1993
Applicant:
Inventors:

Jae-kyeong Seo, Kyeongsangnam, KR;

Seon-ho Lee, Kyeongsangnam, KR;

Deog-ho Choi, Kyeongsangnam, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ;
U.S. Cl.
CPC ...
354400 ; 354435 ;
Abstract

An aperture-priority lens shutter apparatus for a camera has a compact construction and an automatic exposure control function. The aperture-priority electromagnetic lens shutter apparatus for a camera comprises a lens mount; two lens shutter blades serving as a lens shutter and a diaphragm at the same time; a driving mechanism for driving the lens shutter blades; a button switch for setting an F number manually; a light measuring circuit for emitting a signal corresponding to the amount of light available to photograph an object; and a central processing unit including an exposure control time table in which the exposure control data are inputted, an operator for operating an exposure time in case of a semiautomatic mode and a driver for driving the driving mechanism.


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Seo, Jae-kyeong. (1994). Aperture-priority lens shutter apparatus for a camera (U.S. Patent No. 5349414). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5349414

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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