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:
Sep. 03, 2024
Filed:
Oct. 04, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Shigeru Fujimura, Tokyo, JP;
Hiroki Watanabe, Tokyo, JP;
Tatsuro Ishida, Tokyo, JP;
Shigenori Ohashi, Tokyo, JP;
Atsushi Nakadaira, Tokyo, JP;
Kota Hidaka, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
A digital watermark is applied to a video to be distributed without re-encoding. A content distribution devicereceives a content acquisition request to request video content, distributes the video content based on the content acquisition request, generates and distributes a watermark video with a watermark ID embedded, and causes watermark-video-related information including the watermark ID to be recorded, and a content playback devicetransmits the content acquisition request, receives the video content and the watermark video, plays back and displays the video content, and superimposes the watermark video on the video content for playback and display.