Patent ID: 8767125
Filing Date: 2014-07-01
Classification: H04N

Abstract:
1. A menu-screen-display control method comprising: a first determination process of determining in a video display device which video device, of one or more video output devices connected to the video display device, is currently selected as an input device based on a corresponding input terminal; a second determination process of determining in the video display device which device, of the video display device and the currently selected video device, is an object of operation through a menu screen displayed on the video display device; and a prohibition process of setting all non-object devices into a menu-operation-prohibited mode in respective memories of the non-object devices, the non-object devices being devices other than an operation object device which is determined to be the object of operation through the menu screen under display, wherein setting each respective device of the non-object devices into a menu-operation-prohibited mode disables all menu related operations within each respective device of the non-object devices.