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:
Feb. 19, 1991

Filed:

Dec. 06, 1989
Applicant:
Inventor:

Ralph E Moorhouse, Melbourne Village, FL (US);

Assignee:

DBA Systems, Inc., Melbourne, FL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350557 ; 350502 ; 434 20 ;
Abstract

In an external gunsight viewing apparatus, a housing is provided having a first port coupled to the eyepiece of a gunner's optical sight. A prism is disposed along a common axis between the gunner's eyepiece and a viewing port. The prism folds the image path to an Erfle lens which produces an internal image. The internal image is viewable through a beam combining means, along with a second projected image, folded via a mirror, into the image combining means. A second relay means and additional mirror means direct the combined image along a relay means where they are located along the common axis between the eyepiece and first viewing port.


Find Patent Forward Citations

Moorhouse, Ralph. (1991). External gunsight eyepiece attachment (U.S. Patent No. 4993819). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4993819

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

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