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:
Jun. 25, 2024
Filed:
Jul. 01, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Keita Yamaguchi, Musashino, JP;
Kenya Suzuki, Musashino, JP;
Takashi Go, Musashino, JP;
Osamu Moriwaki, Musashino, JP;
Ai Yanagihara, Musashino, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
In order to reduce the number of power driving elements, an optical signal processing device includes a control unit, a current generation unit, a connection portion, and an optical signal processing unit, the current generation unit includes one or a plurality of power driving elements s, the optical signal processing unit is an optical waveguide on a substrate, and a plurality of driven elements are connected in parallel to an identical one of the plurality of power driving elements and are driven.