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:
Sep. 07, 2004
Filed:
Jan. 08, 2002
Applicant:
Inventors:
Roger A. Hajjar, San Jose, CA (US);
Frank Whitehead, Orangevale, CA (US);
Assignee:
Avanex Corporation, Fremont, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/20 ;
U.S. Cl.
CPC ...
G01J 1/20 ;
Abstract
Switchable two-fiber systems to provide a backup fiber link to a signal detector where the backup signal is switched to the signal detector when the primary signal fails.