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:
Dec. 30, 2025
Filed:
Dec. 02, 2020
Applicant:
Ntt, Inc., Tokyo, JP;
Inventors:
Takeshi Imai, Musashino, JP;
Junichi Kani, Musashino, JP;
Shin Kaneko, Musashino, JP;
Naotaka Shibata, Musashino, JP;
Rintaro Harada, Musashino, JP;
Assignee:
NTT, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/112 (2013.01); H04B 10/50 (2013.01); H04B 10/60 (2013.01);
U.S. Cl.
CPC ...
H04B 10/112 (2013.01); H04B 10/503 (2013.01); H04B 10/60 (2013.01);
Abstract
An optical transmitter () tracks a moving body () and irradiates the moving body () with a laser beam (). An optical receiver () is mounted on the moving body (), receives the laser beam (), and performs optical space communication with the optical transmitter (). The optical transmitter () extends an irradiation range () of the laser beam () into an elliptical shape.