New pending patent applications are published on Thursdays. Both of this week's Spotlight Patents concern aspects of digital watermarking. Assigned to LG Electronics (KR), the first application discloses techniques for providing a mobile broadcast service in a TV receiver. Assigned to Disney, the second application discloses technique for creating a temporal-based dynamic watermark.
20170164071, "Broadcast signal transmission apparatus, broadcast signal reception apparatus, broadcast signal transmission method, and broadcast signal reception method," assigned to LG Electronics (KR)
The present invention provides a method for providing mobile broadcast service in a TV receiver. The method may be a broadcast service providing method comprising the steps of: paring with a mobile device which is currently playing mobile broadcast contents; receiving audio and video components of the mobile broadcast contents from the mobile device and playing the components; extracting a watermark from the audio component or the video component; and obtaining signaling information associated with the mobile broadcast contents by using the watermark.
20170163839, "System and method for creating a temporal-based dynamic watermark," assigned to Disney.
Systems and methods for dynamically and automatically generating digital watermarks are provided. Watermark payloads utilized in generating the digital watermarks are altered based upon changing conditions, such as environmental characteristics associated with playback or distribution of media content. Changing conditions may also encompass a change in the distribution/presentation chain of devices associated with the playback or distribution of the media content.