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:
Jan. 07, 2025
Filed:
Aug. 23, 2021
Applicant:
Tdk Corporation, Tokyo, JP;
Inventors:
Hideaki Fukuzawa, Tokyo, JP;
Takashi Kikukawa, Tokyo, JP;
Masahiro Shinkai, Tokyo, JP;
Hiroki Hara, Tokyo, JP;
Assignee:
TDK CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/50 (2013.01); H04B 10/116 (2013.01); H04B 10/516 (2013.01);
U.S. Cl.
CPC ...
H04B 10/503 (2013.01); H04B 10/116 (2013.01); H04B 10/516 (2013.01);
Abstract
A transmission device of the present disclosure is a transmission device that transmits a visible light signal to a receiving device, and includes a laser light source configured to emit visible light, and an optical modulator configured to change intensity of the visible light and generate a visible light signal, in which the optical modulator has an optical waveguide that serves as a transmission path for the visible light, and the optical waveguide is formed of a material containing lithium niobate.