Abstract: A computer system includes a display configured to receive a display signal; a sensor configured to provide a control signal indicative of the presence of a user in a predefined area in front of the display; a control unit configured to select an operating mode from a plurality of operating modes, and a first energy management function configured to control an operating state of the display based on a selected operating mode, wherein the interface circuitry is configured to transmit first control data indicating the presence or absence of the user in front of the display by a manufacturer-specific virtual control panel VCP back to a computing device; and wherein the computing device includes a second energy management function configured to switch the computing device into an operating state based at least on the first control data indicating the presence or absence of the user in front of the display.

Abstract: A computer system includes a client device; and a display device operationally connected to the client device, wherein the display device provides the client device with an operating energy, and the display device detects the type of the client device, and, when the client device belongs to a predefined group of client devices, provides the client device with an operating energy even if the display device enters an energy-saving mode or is switched off.

Abstract: A computer system includes a display configured to receive a display signal; a sensor configured to provide a control signal indicative of the presence of a user in a predefined area in front of the display; a control unit configured to select an operating mode from a plurality of operating modes, and a first energy management function configured to control an operating state of the display based on a selected operating mode, wherein the interface circuitry is configured to transmit first control data indicating the presence or absence of the user in front of the display by a manufacturer-specific virtual control panel VCP back to a computing device; and wherein the computing device includes a second energy management function configured to switch the computing device into an operating state based at least on the first control data indicating the presence or absence of the user in front of the display.

Abstract: A computer system includes a client computing device; and a display device operationally connected to the client computing device by a Universal Serial Bus, USB, interface, wherein the display device includes at least one power control device including at least one of a power button and a user presence sensor; and upon activation, the at least one power control device changes an operating state of the client computing device by sending at least one predefined Human Interface Device, HID, command or a resume signal over data lines of the USB interface to the client computing device.

Abstract: A computer system includes a client device; and a display device operationally connected to the client device, wherein the display device provides the client device with an operating energy, and the display device detects the type of the client device, and, when the client device belongs to a predefined group of client devices, provides the client device with an operating energy even if the display device enters an energy-saving mode or is switched off.

Abstract: A display device includes interface circuitry configured to receive a display signal from an external computing device; a display screen configured to display the received display signal; an energy management function configured to control an operating state of the display device; a sensor configured to provide at least one control signal indicative of the presence of a user in a predefined area in front of the display screen; and a control unit configured to select an energy saving mode from a plurality of energy saving modes based at least on the control signal provided by the sensor.

Abstract: A display device includes interface circuitry configured to receive a display signal from an external computing device; a display screen configured to display the received display signal; an energy management function configured to control an operating state of the display device; a sensor configured to provide at least one control signal indicative of the presence of a user in a predefined area in front of the display screen; and a control unit configured to select an energy saving mode from a plurality of energy saving modes based at least on the control signal provided by the sensor.

Abstract: A method and an apparatus for playing multimedia are comprised by the following steps. First, a multimedia is played using an apparatus. The playing multimedia is stopped after a preset period of time through a predetermined procedure and all commands for operating the apparatus are also disabled. After the passage of a predefined stopping period, the multimedia continues to play from where it has stopped and then all commands for operating the apparatus are enabled again.