US Patent 7847788 Device for operating television appliances

In an arrangement for operating television-technological apparatuses, operating and display elements can be represented on a screen. The screen is provided with a touch-sensitive input field. The respective value of at least one quantity to be set is represented graphically. The at least one quantity to be set can be set by touching the input field in a touch region enclosing the representation and moving the touch point in a direction corresponding to the change in the quantity to be set.