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:
May. 01, 2001
Filed:
Feb. 04, 2000
Terry Lee Davis, Tucson, AZ (US);
Other;
Abstract
The present invention relates to an adjustable monocular eye shield for use with telescopes and similar instruments. The invention prevents light from entering the retina of the eye not being used to view an image when installed and properly positioned on a telescope eyepiece or ocular. The invention is normally fitted over an eyepiece's barrel and includes a substantially enclosed optical mask proportioned such to block both the medial and peripheral vision in one of the users' eyes and prevent impinging light from entering the retina of the same eye. The adjustable monocular eye shield is readily adapted to different users' and types of telescopes. It is adjustable for changes in an eyepiece's focal length, the users' interpupillary dimension, telescope position and orientation about the X, Y and Z Cartesian axis, the users' head and eye position, for focus mechanism movement, is provisioned to allow adequate eyepiece relief and can be positioned to avoid interference with other ancillary optical components at or near the telescope's exit pupil position.