Patent ID: 8989375
Filing Date: 2015-03-24
Classification: G06F,H04N,H04W

Abstract:
1. A video receiving apparatus to receive video from one of one or more video transmitting apparatus by a selecting manipulation, the video receiving apparatus comprising: a connecting module to establish a wireless connection with each video transmitting apparatus from which key information is received; a registering module to register all or part of the one or more video transmitting apparatus with which the video transmitting apparatus established a wireless communication in the past; a first display control module to display (a) identification information of the one or more video transmitting apparatus, (b) selection images that enable selection of the one or more video transmitting apparatus, (c) registration information indicating a registration status of the one or more video transmitting apparatus based at least in part of whether the one or more video transmitting apparatus has sent key information to the display apparatus, and (d) connection information indicating a wireless connection status of the one or more video transmitting apparatus; a video receiving module to receive video from a video transmitting apparatus using the established wireless connection when the selecting manipulation specifies the video transmitting apparatus by a selection image of the selection images; an encryption key processing module to generate an encryption key by performing key exchange and key authentication with two or more video transmitting apparatuses in the one or more video transmitting apparatus connected with the video receiving apparatus according to a prescribed copyright protection method before the selecting manipulation is made, wherein an upper limit of a number of the one or more video transmitting apparatus to be subjected to the key authentication is set to a prescribed number; and a second display control module to display the received video on the display screen.