Patent ID: 8925009
Filing Date: 2014-12-30
Classification: H04N

Abstract:
1. A non-transitory computer-readable medium containing instructions executable by at least one processor, the computer-readable medium, comprising: one or more instructions for causing a first set of images associated with an electronic program guide (EPG) to be sent from a network device implementing an RVU protocol to a client device, wherein the client device comprises a client device implementing the RVU protocol in an RVU system; one or more instructions for receiving a call for displaying the first set of images at the client device; one or more instructions for determining that an image of the first set of images has been modified, wherein the one or more instructions for determining that the image of the first set of images has been modified comprises: one or more instructions for causing the modified image, or one or more portions of the image that have been modified, to be sent to the client device without sending a remainder of the images of the first set of images or without sending remaining portions of the image that have not been modified; and one or more instructions for identifying the modified image, or the one or more portions of the image that have been modified, based on the tracked changes to the second logical window tree.