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. 21, 2025
Filed:
Jun. 24, 2020
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Yohei Katayama, Musashino, JP;
Kazumitsu Sakamoto, Musashino, JP;
Kento Yoshizawa, Musashino, JP;
Hiroyuki Fukumoto, Musashino, JP;
Takuya Ohara, Musashino, JP;
Takeshi Kinoshita, Musashino, JP;
Etsushi Yamazaki, Musashino, JP;
Takayuki Mizuno, Musashino, JP;
NIPPON TELEGRAPH AND TELEPHONE CORPORATION, Tokyo, JP;
Abstract
A communication device includes: a light output unit for outputting light; a light splitting unit for splitting the light output by the light output unit into a plurality of split beams; and a plurality of spatial optical communication units provided in correspondence to the plurality of split beams, wherein the spatial optical communication units respectively transmit a corresponding split beam which is input from the light splitting unit to a partner communication device across space.