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:
Aug. 09, 2011
Filed:
Jan. 18, 2008
Applicants:
Tara Astigarraga, Vail, AZ (US);
David Franklin Dehaan, Tucson, AZ (US);
Louie Arthur Dickens, Tucson, AZ (US);
Omolaoye Olatunde, Tucson, AZ (US);
Inventors:
Tara Astigarraga, Vail, AZ (US);
David Franklin Dehaan, Tucson, AZ (US);
Louie Arthur Dickens, Tucson, AZ (US);
Omolaoye Olatunde, Tucson, AZ (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/56 (2006.01); H04L 12/66 (2006.01); H04B 10/08 (2006.01); H04B 10/12 (2006.01); H04B 10/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A small form factor pluggable (SFP) device includes a controller for receiving a first input signal. An optical loopback circuit is coupled to the controller for feeding back a loopback signal to the controller. The loopback signal is generated from the first input signal. An indicator is coupled to the controller for indicating a operational status of the device.