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:
Oct. 06, 2026
Filed:
Feb. 01, 2022
Nec Corporation, Tokyo, JP;
Shinichi Hori, Tokyo, JP;
Yuma Kase, Tokyo, JP;
NEC CORPORATION, Tokyo, JP;
Abstract
An optical wireless transmission system includes a transmission device including a digital baseband processor configured to generate a plurality of orthogonal signals, a pulse modulator configured to pulse-modulate an orthogonal signal, and a dither modulator configured to add a dither signal to a pulse-modulated signal, an optical fiber module configured to convert a signal to which a dither signal is added into an optical signal, transmit the optical signal through an optical fiber, and convert the optical signal into a digital electric signal, and a remote unit configured to transmit a digital electric signal transmitted by the optical fiber module as a radio signal.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile