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. 31, 1992
Filed:
Apr. 08, 1991
Applicant:
Inventor:
David Chiu, Port Jefferson, NY (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
385115 ; 128-4 ;
Abstract
A light intensity control device for an endoscope or similar instrument comprising a light source, a fiberoptic cable connected at one to the light source, and a non-electrical diaphragm assembly connected between the end face of the fiberoptic cable and the end face of the fiberoptic bundle within the endoscope. The diaphragm assembly comprises an adjustable opening for receiving light from the end face of the cable for the transmission of light therethrough. A solid member of transparent material between the adjustable opening and the end face of the fiberoptic bundle within the endoscope transmits the light from the cable to the endoscope.