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. 07, 1994
Filed:
May. 20, 1993
Applicant:
Inventors:
Liang-Ju Lu, Eden Prairie, MN (US);
David J Emmons, Eden Prairie, MN (US);
George B Pfeffer, Minnetonka, MN (US);
Assignee:
ADC Telecommunication, Inc., Minneapolis, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
385 67 ; 385140 ;
Abstract
Light attenuation through a high return loss fixed attenuator is achieved by controlling the offset of two common fiber axes to achieve a controlled transverse misalignment loss while the ends of the fibers are maintained in physical contact under a spring force of the connectors such that a high return loss is achieved.