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. 26, 2000
Filed:
Jul. 22, 1998
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Abstract
Disclosed is a real image type finder optical system which is provided with an objective optical system having a positive power, an erecting optical system for erecting a reversed real image formed by the objective optical system, an eyepiece optical system for observing the real image formed by the objective optical system and erected by the erecting optical system, an information display element provided in the objective optical system, the information display element displaying information to be observed in a field of view of the finder optical system, and a partial mirror surface provided on an object side with respect to the information display element, the partial mirror allowing a part of light from the object to pass therethrough and reflecting light from the information display element towards the eyepiece optical system.