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. 09, 2008
Filed:
Jun. 29, 2004
Toru Shiozaki, Kyoto, JP;
Masaru Fuse, Neyagawa, JP;
Toru Shiozaki, Kyoto, JP;
Masaru Fuse, Neyagawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An optical packet exchanger is provided which prevents a transmittable capacity of an information signal from decreasing, and which facilitates the extracting an address signal even if a modulation speed for the information signal becomes high. An optical modulation section () outputs an optical packet obtained by subjecting output light from a light source () to an intensity modulation using an information signal and a phase modulation using an address signal corresponding to a transmission destination for the information signal. An optical splitter section () splits the optical packet into two optical packets. An address reading section () reads the address signal from the phase of one of the optical packets output from the optical splitter section (). Based on the address signal output from the address reading section (), a path switching section () determines an output port for the other optical packet output from the optical splitter section ().