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. 02, 2011
Filed:
Dec. 16, 2008
Applicants:
Peter D. Maroni, Fort Collins, CO (US);
Gregg B. Lesartre, Fort Collins, CO (US);
Inventors:
Peter D. Maroni, Fort Collins, CO (US);
Gregg B. Lesartre, Fort Collins, CO (US);
Assignee:
Hewlett-Packard Development Company, L.P., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G01R 31/08 (2006.01); H04B 1/38 (2006.01); H04M 1/24 (2006.01);
U.S. Cl.
CPC ...
Abstract
A system and method for loopback self testing. A system includes a host device and an endpoint device. The host device transmits unencoded test symbols. The endpoint device loops back the unencoded test symbols to the host device. The host device drives at least some bits of each unencoded test symbol onto host device data signals and drives at least some bits of each unencoded test symbol onto host device control signals.