SECOND SCREEN DEVICE AND SYSTEM

• US 20150043891A1
• Filed: 08/04/2014
• Published: 02/12/2015
• Est. Priority Date: 08/09/2013
• Status: Active Grant

• Current Assignee: Magnolia Licensing LLC (IP Edge LLC)
• Original Assignee: Thomson Licensing (Vantiva SA)
• Inventors: DIEHL, Eric
• Granted Patent: US 9,872,000 B2
• Time in Patent Office: Days
• US Class Current: 386/260
• CPC Class Codes: G06F 3/04842 Selection of displayed objects or displayed text elements G06F3/0482 takes precedence
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G10L 19/018 Audio watermarking, i.e. embedding inaudible data in the audio signal
• CPC Class Codes: G11B 20/00086 Circuits for prevention of unauthorised reproduction or copying, e.g. piracy indicating unauthorised use of record carriers in general G11B23/28; scrambling for television signal recording H04N5/913; network architectures or network protocols for network security H04L63/00; cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
• CPC Class Codes: H04H 20/31 using in-band signals, e.g. subsonic or cue signal
• CPC Class Codes: H04H 2201/50 characterised by the use of watermarks
• CPC Class Codes: H04H 60/33 Arrangements for monitoring the users' behaviour or opinions
• CPC Class Codes: H04H 60/80 characterised by transmission among terminal devices
• CPC Class Codes: H04N 19/46 Embedding additional information in the video signal during the compression process H04N19/517, H04N19/68, H04N19/70 take precedence
• CPC Class Codes: H04N 19/467 characterised by the embedded information being invisible, e.g. watermarking
• CPC Class Codes: H04N 2005/91335 the copy protection signal being a watermark
• 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
• CPC Class Codes: H04N 21/8358 involving watermark protecting executable software by watermarking G06F21/16; image watermarking in general G06T1/0021; watermarks inserted in still images for transmission purposes H04N1/32144; inserting watermarks during video coding H04N19/467
• CPC Class Codes: H04N 21/8547 involving timestamps for synchronizing content

Abstract

A second screen system comprises a first screen that renders a first content comprising watermarks of a first type and watermarks of a second type. The watermarks of the first type are captured by a second screen that reacts to these watermarks. The second screen displays information to a user and receives user input. The second screen also watermarks a second content with watermarks of the second type and renders the second content. A third device captures watermarks of the second type in both the first content and the second content. Since the watermarks embedded by the second screen can depend on the user'"'"'s actions, the third device can indirectly react to the user'"'"'s actions.

Claims

1. A device comprising:

a unit configured to capture a first content rendered by a rendering device;

a detector configured to extract payloads of first watermarks from the first content, and not to extract payloads of second watermarks from the first content;

an embedder of second watermarks configured to insert watermarks with a payload into a second content to obtain watermarked second content; and

a rendering unit configured to render the watermarked second content.

2. The device of claim 1, wherein at least one of the first watermarks and the second watermarks are audio watermark.

3. The device of claim 2, wherein both the first watermarks and the second watermarks are audio watermarks.

4. The device of claim 1, wherein the first watermarks and the second watermarks correspond to different watermark technologies.

5. The device of claim 1, further comprising:

a user interface configured to display information to a user and to receive user input; and

a processor configured to;

receive the user input from the user interface;

cause the user interface to display information in response to received payloads; and

send a watermark payload to the embedder of second watermarks.

6. The device of claim 5, wherein the user interface is a touch screen.

7. The device of claim 5, wherein the processor is configured to select the watermark payload to send to the embedder in response to the user input.

8. The device of claim 5, wherein the processor is configured to execute an application that is specific to the first content and that causes the user interface to display the information in response to received payloads and to send the watermark payload to the embedder of second watermarks.

9. A system comprising a capture and embedding device and a receiver device, the capture and embedding device comprising:

a unit configured to capture a rendered first content with first watermarks and second watermarks;

a detector configured to extract payloads of first watermarks from the first content and not to extract payloads of second watermarks;

an embedder of second watermarks configured to insert a second watermark with a payload into a second content to obtain watermarked second content; and

a rendering unit configured to render the watermarked second content; and

the receiver device comprising;

a unit configured to capture the first content and the second content;

a detector configured to extract payloads of second watermarks, but not payloads of first watermarks; and

a processor configured to react to the extracted payloads.

10. The system of claim 9, further comprising a rendering device configured to render the first content.