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:
Jul. 06, 2021
Filed:
Jul. 19, 2019
Wangsu Science & Technology Co., Ltd., Shanghai, CN;
WANGSU SCIENCE & TECHNOLOGY CO., LTD., Shanghai, CN;
Abstract
The present application discloses a key providing method, a video playing method, a server and a client, in which the video playing method includes: sending a download request to the server and receiving an index file of a target video data delivered by the server; constructing an access request based on a specified string in the index file, and sending the access request to the server to acquire from the server a preset key which the access request is directed to; sending to the server a file acquisition request including a file address to acquire from the server encrypted fragmented data which the file address of the fragmented data is directed to; decrypting the acquired encrypted fragmented data by using the preset key, and playing the decrypted fragmented data. The technical solutions provided in the present application can effectively protect copyrights of video data.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile