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:
Feb. 03, 2009
Filed:
Jul. 28, 2006
Yuji Ishii, Fukuoka, JP;
Kenji Rikimaru, Fukuoka, JP;
Shinji Yamashita, Fukuoka, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
An optical switch system has a plurality of micro mirrors arranged in a plane, and an angle of each of the micro mirrors can be controlled for reflecting an optical signal entered from one or more input ports so that the reflected optical signal enters a selected output port of one or more output ports. The optical switch system includes a storage portion for storing connection information between the input port and the output port, a correction quantity obtaining portion for obtaining a correction quantity for a cross talk generated between neighboring micro mirrors among the plurality of micro mirrors, a computing portion for determining a controlling quantity of the micro mirror in accordance with the connection information and the correction quantity, and a drive output portion for driving the micro mirror in accordance with the controlling quantity.