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:
Mar. 07, 1995
Filed:
Mar. 04, 1993
Frank J Brown, Willow Grove, PA (US);
Eric F Brown, Chalfont, PA (US);
Sigma Dynamics Corporation, Willow Grove, PA (US);
Abstract
An endoscope is disclosed which is designed to transmit light to the area under observation and allows the light to make contact with the image plane, without the need of a fiber optic bundle. The ocular section of the endoscope, in addition to housing the lenses required to magnify the image for viewing, contains a relay lens whose diameter is less than the diameter of the rod lenses in the relay section. Light is then reflected through a beam director surrounding the ocular relay lens and transmitted to the objective through the excess diameter of the larger diameter relay lenses. Additionally, the ocular section is separable from the relay and objective sections, which are considered disposable, so that it can be reused.