Decoding method and apparatus enabling fast channel change of compressed video
US-2015373355-A1 · Dec 24, 2015 · US
Fine-tuning the time for leaving/joining a multicast session during channel changes
US9049481B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9049481-B2 |
| Application number | US-201113115727-A |
| Country | US |
| Kind code | B2 |
| Filing date | May 25, 2011 |
| Priority date | May 25, 2011 |
| Publication date | Jun 2, 2015 |
| Grant date | Jun 2, 2015 |
How to read this patent
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
- Title
What the patent document calls the invention.
- Abstract
A short plain-language summary of the technical disclosure.
- Assignees and inventors
Who owns or filed the patent and who is credited as inventor.
- Key dates
Filing, priority, publication, and grant dates set the timeline.
- First independent claim
The legal scope of protection — read this for what is actually claimed.
- CPC / IPC classifications
Technology tags used to group this patent with similar filings.
- Citations and related patents
Prior art links and similar publications in this corpus.
Abstract
Official abstract text for this publication.
In one embodiment, a method that receives at a client device a unicast content stream; receives from a network an indication of a future time corresponding to when to send a join message to acquire a multicast content stream; accesses historical information about transitions between unicast and multicast content streams; and sends a join message for the multicast content stream at a time corresponding to the indicated future time subject to a time offset determined by the client device, the time offset based on the historical information.
First claim
Opening claim text (preview).
What is claimed is: 1. A method, comprising: receiving at a client device a unicast content stream; receiving from a network an indication of a future time corresponding to when to send a join message to acquire a multicast content stream; accessing historical information about transitions between unicast and multicast content streams; and acquiring the multicast content stream at a time corresponding to the indicated future time subject to a time offset determined by the cl…
Assignees
Inventors
Classifications
- H04N21/4384Primary
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Electricity · mapped topic
Patent family
Related publications grouped by family.
External sources
Next steps
Free tools are coming soon. Tell us what you want to track and we'll notify you.
Frequently asked questions
Answers are generated from the same data shown on this page.
- What does patent US9049481B2 cover?
- In one embodiment, a method that receives at a client device a unicast content stream; receives from a network an indication of a future time corresponding to when to send a join message to acquire a multicast content stream; accesses historical information about transitions between unicast and multicast content streams; and sends a join message for the multicast content stream at a time corres…
- Who is the assignee on this patent?
- Begen Ali C, Ver Steeg William C, Eckert Toerless, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification H04N21/4384. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Jun 02 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).