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. 02, 1995
Filed:
Mar. 09, 1992
Applicant:
Inventors:
Avi Y Feldblum, Highland Park, NJ (US);
Jurgen Jahns, Shrewsbury, NJ (US);
Casimir R Nijander, Lawrenceville, NJ (US);
Frank Sauer, Clarksburg, NJ (US);
Wesley P Townsend, Princeton, NJ (US);
Assignee:
AT&T Corp., Murray Hill, NJ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ; G02B / ; G02F / ;
U.S. Cl.
CPC ...
359569 ; 359566 ; 359652 ; 385 33 ; 385 37 ;
Abstract
A diffractive and a refractive microlens component are combined into a doublet lens to obtain imaging properties that are improvements over those achievable using separate components. In one application, diffractive/refractive microlens arrays are arranged to provide a free-space optical permutation interconnect arrangement.