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:
Jun. 25, 1996
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Candace J Freedenberg, Holly Ridge, NC (US);
Frederick A Herring, Wappingers, NY (US);
Uldis A Ziemins, Poughkeepsie, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ; G02B / ;
U.S. Cl.
CPC ...
359691 ; 359721 ; 359739 ; 359789 ;
Abstract
A variable focus color corrected field lens for accepting rays having a divergence of from 0, wherein the rays are collimated, to a divergence of 10 milliradians full angle and directing the rays to the same point of an optical system. The present lens is corrected for wavelengths from the ultraviolet to the red spectrum of wavelengths for directing the wavelengths to the same point.
Freedenberg, Candace. (1996). Variable focus color corrected field lens (U.S. Patent No. 5530595). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5530595
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile