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. 27, 2005
Filed:
Jul. 11, 2001
Walt Fant, Los Gatos, CA (US);
Roger J. Helkey, Montecito, CA (US);
Tony Walter, San Jose, CA (US);
Peter Hunt, Scotts Valley, CA (US);
David Welsh, Goleta, CA (US);
Walt Fant, Los Gatos, CA (US);
Roger J. Helkey, Montecito, CA (US);
Tony Walter, San Jose, CA (US);
Peter Hunt, Scotts Valley, CA (US);
David Welsh, Goleta, CA (US);
Calient Networks, San Jose, CA (US);
Abstract
An optical switching apparatus is provided. Generally, a plurality of optical input switches is provided. A plurality of optical output switches is provided. A plurality of central optical switches connected between the plurality of input switches and plurality of output switches is provided. A plurality of test light sources, where each test light source is connected to an optical input switch, is provided. A first plurality of optical detectors connected to the optical output switches is provided.