DISTRIBUTED RENDERING SYNCHRONIZATION CONTROL FOR DISPLAY CLUSTERING

• US 20140229998A1
• Filed: 02/06/2014
• Published: 08/14/2014
• Est. Priority Date: 02/08/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Oh, Seongnam
• Granted Patent: US 9,361,060 B2
• Time in Patent Office: Days
• US Class Current: 725/74
• CPC Class Codes: G06F 3/1446 display composed of modules, e.g. video walls
• CPC Class Codes: G09G 2300/026 Video wall, i.e. juxtaposition of a plurality of screens to create a display screen of bigger dimensions
• CPC Class Codes: G09G 2356/00 Detection of the display position w.r.t. other display screens
• CPC Class Codes: G09G 2370/022 Centralised management of display operation, e.g. in a server instead of locally
• CPC Class Codes: G09G 5/12 Synchronisation between the display unit and other units, e.g. other display units, video-disc players
• CPC Class Codes: H04L 65/70 Media network packetisation
• CPC Class Codes: H04L 65/762 at the source reformatting of additional data in video distribution servers H04N21/2355
• CPC Class Codes: H04L 65/80 Responding to QoS
• CPC Class Codes: H04N 21/4122 additional display device, e.g. video projector digital output for controlling a plurality of local displays G06F3/1423
• CPC Class Codes: H04N 21/43076 of the same content streams on multiple devices, e.g. when family members are watching the same movie on different devices

Abstract

A method for content rendering in a clustered display network. The method includes assigning a role to each of multiple client display devices by a distributing display device. A rendering responsibility for each of the client display devices is assigned by the distributing display device. Received content is fed, by the distributing display device, to one or more display groups each including at least a portion of the client display devices.

Claims

1. A method for content rendering in a clustered display network, comprising:

assigning a role to each of a plurality of client display devices by a distributing display device;

configuring a rendering responsibility for each of the plurality of client display devices by the distributing display device; and

feeding received content, by the distributing display device, to one or more display groups each comprising at least a portion of the plurality of client display devices.

2. The method of claim 1, further comprising:

registering the plurality of client display devices with the distributing display device, wherein registering comprises;

transmitting information packets to the plurality of client devices from the distributing display device; and

the plurality of client devices responding to the distributing display device to complete registering the plurality of client devices.

3. The method of claim 1, further comprising:

assigning a synchronization master role to a particular client display device in each display group, and to the distributing display device for one particular display group, and additionally assigning a synchronization super master role to the distributing display device for the one particular display group.

4. The method of claim 3, further comprising:

receiving, by the synchronization super master and each synchronization master, a display ready signal from respective client display devices in respective display groups; and

sending a synchronization signal, by the synchronization super master and each synchronization master to the respective client display devices for rendering content on the respective client display devices of the respective display groups.

5. The method of claim 1, further comprising:

assigning a synchronization super master role to the distributing display device;

receiving, by the synchronization super master, a display ready signal from the plurality of client display devices; and

sending a synchronization signal, by the synchronization super master to the plurality of client display devices for rendering content on the plurality of client display devices.

6. The method of claim 1, wherein the received content comprises a plurality of same or different content from one or more sources.

7. The method of claim 1, wherein each display device of each group renders the same or the different content from the one or more sources.

8. The method of claim 1, wherein the distributing display device comprises a smart television device.

9. The method of claim 2, wherein the transmitted information packets comprise address resolution protocol (ARP) packets broadcasted to each of the plurality of client display devices.

10. The method of claim 1, wherein the distributing display device and each of the plurality of client display devices comprise television devices.

11. The method of claim 10, wherein the television devices form a display wall.

12. A system for content rendering, comprising:

a plurality of electronic display devices; and

one or more content sources;

wherein a particular one of the plurality of electronic display devices is assigned a role of a distributing display device, and remaining electronic display devices comprise client display devices, wherein the distributing display device;

assigns roles to the client display devices, configures a rendering responsibility for each of the client display devices, and feeds content received from the one or more content sources to one or more display groups each comprising at least a portion of the client display devices.

13. The system of claim 12, wherein the distributing display device registers the client display devices by transmitting information packets to the client devices, wherein the client devices respond to the distributing display device to complete registering the client devices.

14. The system of claim 12, wherein the distributing display device assigns a synchronization master role to a particular client display device in each display group, and the distributing display device assumes a role of synchronization master for one particular display group, and the distributing display device additionally assumes a role as synchronization super master for the one particular display group.

15. The system of claim 14, wherein the synchronization super master and each synchronization master receives a display ready signal from respective client display devices in respective display groups, and the synchronization super master and each synchronization master sends a synchronization signal to the respective client display devices for rendering content on the respective client display devices of the respective display groups.

16. The system of claim 12, wherein:

the distributing display device assumes a role of a synchronization super master;

the synchronization super master receives a display ready signal from the client display devices; and

a synchronization signal is sent by the synchronization super master to the client display devices for rendering content on the client display devices.

17. The system of claim 12, wherein the received content comprises a plurality of same or different content from the one or more content sources.

18. The system of claim 17, wherein each display device of each group renders the same or the different content from the one or more content sources.

19. The system of claim 12, wherein the distributing display device comprises a smart television device.

20. The system of claim 12, wherein the distributing display device and each of the client display devices comprise television devices, wherein the television devices form a display wall.

21. A non-transitory computer-readable medium having instructions which when executed on a computer perform a method comprising:

assigning a role to each of a plurality of client display devices by a distributing display device;

configuring a rendering responsibility for each of the plurality of client display devices by the distributing display device; and

feeding received content, by the distributing display device, to one or more display groups each comprising at least a portion of the plurality of client display devices.

22. The medium of claim 21, further comprising:

registering the plurality of client display devices with the distributing display device, wherein registering comprises;

transmitting information packets to the plurality of client devices from the distributing display device; and

the plurality of client devices responding to the distributing display device to complete registering the plurality of client devices.

23. The medium of claim 22, further comprising:

assigning a synchronization master role to a particular client display device in each display group, and to the distributing display device for one particular display group, and additionally assigning a synchronization super master role to the distributing display device for the one particular display group.

24. The medium of claim 23, further comprising:

receiving, by the synchronization super master and each synchronization master, a display ready signal from respective client display devices in respective display groups; and

sending a synchronization signal, by the synchronization super master and each synchronization master to the respective client display devices for rendering content on the respective client display devices of the respective display groups.

25. The medium of claim 22, further comprising:

assigning a synchronization super master role to the distributing display device;

receiving, by the synchronization super master, a display ready signal from the plurality of client display devices; and

sending a synchronization signal, by the synchronization super master to the plurality of client display devices for rendering content on the plurality of client display devices.

26. The medium of claim 22, wherein the received content comprises a plurality of same or different content from one or more sources, and each display device of each group renders the same or the different content from the one or more sources.

27. The medium of claim 22, wherein the distributing display device comprises a smart television device.

28. The medium of claim 22, wherein the transmitted information packets comprise address resolution protocol (ARP) packets broadcasted to each of the plurality of client display devices.

29. The medium of claim 22, wherein the distributing display device and each of the plurality of client display devices comprise television devices.

30. The medium of claim 29, wherein the television devices form a display wall.