Patent ID: 9703798
Date: 2017-07-11
CPC Classifications: G06F,G06Q,H04L

Claim:
1. A file sharing system comprising: a cloud server coupled to the internet and configured to execute instructions of dedicated software, wherein the executed instructions cause the server to perform a file sharing method including maintaining a status of shared files, data regarding parts of shared files, checksum data for shared files, and version data for shared files; a cloud storage device configured to store parts of shared files and data related to the shared files; and at least one client device configured to execute instructions that comprise a client software process, wherein the executed instructions cause the client device to perform the file sharing method with the server, and wherein the file sharing method comprises the cloud server issuing an upload file lock such that the upload file lock is issued only to one user of the shared files at a time, and such that only edits made by the one user with the file lock are uploaded and shared with other users of the shared files, wherein the file sharing method performed by the server and the at least one client device comprises: the client device monitoring user electronic files to determine whether a user of the at least one client device has setup a new shared file; if the user has setup a new shared file, the client device and the server coordinating the upload of the file to the cloud storage device by using an upload lock flag such that all no other client device, other than the client device of the user who was issued the file lock, can upload the same file; and once the upload is completed, the other client devices and the server coordinating the download of the file from the cloud storage device to the other client devices by using a download lock flag.