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.:

US 10798440 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 06, 2020

Filed:

Aug. 27, 2019
Applicant:

Facebook, Inc., Menlo Park, CA (US);

Inventors:

Madhu Kishore Kalva, Foster City, CA (US);

Peter Aubrey Bartholomew Griess, Dallas, TX (US);

Yichuan Huang, San Jose, CA (US);

Assignee:

FACEBOOK, INC., Menlo Park, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/932 (2006.01); H04N 21/43 (2011.01); H04L 29/06 (2006.01); H04N 5/93 (2006.01);
U.S. Cl.
CPC ...
H04N 21/4307 (2013.01); H04L 65/604 (2013.01); H04L 65/608 (2013.01);
Abstract

A server system includes one or more processors, a clock, and memory. The memory stores one or more programs configured for execution by the one or more processors. The server system receives a program manifest (e.g., a playlist) for a video from a content delivery network. The video includes a plurality of video segments. The server system parses the program manifest to identify a timeline for the video, then determines the current playback position for the video and a corresponding initial timestamp according to the clock. The server system periodically updates the current playback position for the video according to the clock and the initial timestamp. Over a span of time the server system receives requests from a plurality of client devices to view the video. For each request from a respective client device, the server system sends the current playback position to the respective client device.


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Kalva, Madhu. (2020). Methods and systems for synchronizing data streams across multiple client devices (U.S. Patent No. 10798440). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10798440

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