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. 27, 1983
Filed:
Aug. 26, 1981
Applicant:
Inventors:
Assignee:
Nippon Kogaku K. K., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
362 17 ; 362 11 ; 362 18 ; 362232 ; 362241 ; 362249 ; 362277 ; 354126 ; 354132 ;
Abstract
In a lens barrel to which a flashlight-emitting device is mounted or may be mounted and which enables a very proximate object to be photographed, there is provided a light-intercepting member interposed in the path of the light emitted by the flashlight-emitting device in response to the operation of a lens optical system for rendering the lens barrel capable of effecting very proximate photography, the light-intercepting member being for intercepting part of the light emitted from the flashlight-emitting device and travelling toward the optical axis of the lens optical system.