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. 07, 1982
Filed:
May. 22, 1981
Yutaka Iizuka, Tokyo, JP;
Nippon Kogaku K.K., Tokyo, JP;
Abstract
In an inverted Galilean finder barrel having a divergent objective lens and a convergent eyepiece lens, an indicator device for effecting visual indication within an observation view field comprises indicating means including indicating elements and disposed on the inner side surface of the barrel between the objective lens and the eyepiece lens, a first reflecting optical system having a reflecting surface capable of receiving the light beam from the indicating means and provided at a position opposed to the indicating means on the inner side surface of the barrel, and a second reflecting optical system having an obliquely disposed reflecting surface for reflecting toward the eyepiece lens the light beam from the indicating means reflected by the first reflecting optical system and disposed at a position opposed to the reflecting surface of the first reflecting optical system.