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. 21, 1996
Filed:
Dec. 30, 1994
Thomas J Atwood, Everett, MA (US);
David A Pastel, Horseheads, NY (US);
Bruce W Reding, Wilmington, NC (US);
Corning Incorporated, Corning, NY (US);
Abstract
A system for monitoring the position of a fiber (13) during drawing is provided. The system includes a beam (25) of radiation which is directed at the fiber (13), a Ronchi ruling (50) having a spatial frequency .omega..sub.M which modulates light scattered from the fiber (13), a lens system (27) having a positive focal length, and a detector (31) located in the back focal plane of the lens system. By arranging the components of the system in this manner, the distance between the fiber (13) and the Ronchi ruling (50) is a linear function of the spatial frequency .omega..sub.D of the modulated light at the detector (29). Various procedures can be used to determine .omega..sub.D, a preferred one being shown in FIG. 9.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile