Abstract: A terminal is disclosed. The terminal includes a touch screen type display part for displaying key buttons used for a user to input information to the terminal, a speaker part for outputting an audio signal, when the user has correctly touched the key buttons, to inform the user that the key buttons have been correctly touched and inputted, and a control part for controlling the display part and the speaker part. According to the present invention, when a user of the terminal correctly touches the key buttons on the touch screen of the terminal, the user of the terminal can perceive, in the form of visual sensation, hearing sensation, and/or vibration sensation, that the key buttons have been correctly touched, and therefore, it is possible to more easily and conveniently manipulate the key buttons on the terminal having the touch screen.

Abstract: An apparatus for managing power of a mobile terminal includes: a first voltage regulating unit that changes the level of power from an external power source to a first level; a second voltage regulating unit that changes the level of power from the first voltage regulating unit or the external power source to a second level; and a switching unit that switches an output of the external power source or the first voltage regulating unit to the second voltage regulating unit. The coverage of an output voltage of the mobile terminal can be extended and the cost of the power management apparatus can be reduced.

Abstract: An apparatus, method and computer program product for actively controlling the luminance (brightness) of illumination of a backlight of a mobile terminal according to the surrounding environment and a mobile terminal implementing such apparatus are disclosed. The mobile terminal includes: an illuminance sensor that detects ambient illuminance; a backlight controller that controls a brightness of backlight illumination by regulating the power outputted to the backlight according to a change in the ambient illuminance detected by the illuminance sensor; and a controller that monitors an operation state of the backlight controller or changes a set value of a particular register or component by cooperating with the backlight controller.

Abstract: A mobile communication terminal with a camera and a dual-display unit, whereby, in an image capturing mode, a first display unit displays an image of a subject received through a camera in real time and a second display unit displays a still image of the subject captured according to an image capture command signal received from a user, and in an image editing mode, when one of at least two or more images displayed on the first display unit is selected, the selected image is displayed on the second display unit, and at the same time, when a certain function icon provided to the first display nit is selected, a function allocated to the selected function icon is executed. An image of a camera preview and a captured image are displayed on each different display unit, so a user can capture a moment an image is to be captured and check the recently captured image by naked eyes, enhancing user convenience and providing fun to users.

Abstract: A mobile communication terminal with a camera and a dual-display unit, whereby, in an image capturing mode, a first display unit displays an image of a subject received through a camera in real time and a second display unit displays a still image of the subject captured according to an image capture command signal received from a user, and in an image editing mode, when one of at least two or more images displayed on the first display unit is selected, the selected image is displayed on the second display unit, and at the same time, when a certain function icon provided to the first display nit is selected, a function allocated to the selected function icon is executed. An image of a camera preview and a captured image are displayed on each different display unit, so a user can capture a moment an image is to be captured and check the recently captured image by naked eyes, enhancing user convenience and providing fun to users.

Abstract: A mobile communication device, method and computer program product for generating a first signal upon manipulation of a first input key that can be manipulated in at least two directions, generating a second signal upon manipulation of a second input key which enables at least two direction inputs, and controlling a predetermined operation in response to at least one of the first and second signals.

Abstract: An input device is provided. The input device includes a first input unit configured to provide at least two directional signals, a second input unit located in the first input unit, the second input unit including a housing and a rotatable member located therein, the second input unit being configured to provide at least two directional signals different from the at least two directional signals of the first input unit, and a circuitry supporting substrate configured to receive a signal that is input through the first input unit and the second input unit. A mobile communication device having the input device is also provided.

Abstract: An input device is provided. The input device includes a first input unit configured to provide at least two directional signals, a second input unit located in the first input unit, the second input unit being configured to provide at least two directional signals different from the at least two directional signals of the first input unit, and a circuitry supporting substrate configured to receive a signal that is input through the first input unit and the second input unit. In addition, a mobile communication device having an input device is also provided.

Abstract: An apparatus for managing power of a mobile terminal includes: a first voltage regulating unit that changes the level of power from an external power source to a first level; a second voltage regulating unit that changes the level of power from the first voltage regulating unit or the external power source to a second level; and a switching unit that switches an output of the external power source or the first voltage regulating unit to the second voltage regulating unit. The coverage of an output voltage of the mobile terminal can be extended and the cost of the power management apparatus can be reduced.

Abstract: A mobile communication terminal including a controller configured to activate both a speakerphone function and an additional function on the terminal when a functional key corresponding to the additional function is selected during an existing call, and an input unit configured to input information related to the additional function during the existing call.

Abstract: A mobile communication terminal having a function of displaying a communication state and a method thereof are disclosed. The method of displaying a communication state in a case of a multiparty call using a mobile communication terminal having a plurality of display units includes displaying information on one calling party on a first display unit, and displaying information on the other calling party on a second display unit. Here, information on one calling party and information on another calling party can be switched with each other and displayed on the different display units, and therefore voice communication is possible between one or more of the parties at the same time.

Abstract: The invention is directed to a method of displaying multimedia data and providing multitasking features and a mobile communications terminal capable of implementing the same; and cradle for the mobile communications terminal. A mobile communications terminal includes a transceiver, a memory, a first display unit, a second display unit, a processor, a sensor to detect a rotational movement of a body, and a cradle for displaying multimedia contents is provided. The display unit can display the multimedia data in a fixed viewing angle regardless of which direction a user rotates the terminal.

Abstract: A mobile communication terminal includes a display unit comprising a plurality of displays, one of which being formed as a touch panel, and a controller for analyzing a signal inputted through the touch panel to determine whether movement distance of data satisfies pre-set conditions, and outputting a control signal for displaying the corresponding data through a different display region according to the corresponding result.

Abstract: A method is provided for displaying a message in a mobile communication terminal. According to one example, the method includes the steps of receiving a first message, displaying the first message on a first display of the terminal, and displaying a message preparation window on a second display of the terminal simultaneously with the display of the first message. Since the terminal user can prepare a response text message to a received text message while viewing the received text message, the preparation of the response text message can be more conveniently achieved.

Abstract: In accordance with one aspect of the invention, a mobile communication terminal comprises a first display and a second display and a user interface for allowing a user to select one or more images to be displayed on either of the first and second displays, wherein images displayed on both the first and the second display are viewable from a first viewing angle.

Abstract: A mobile communication terminal with a camera and a dual-display unit, whereby, in an image capturing mode, a first display unit displays an image of a subject received through a camera in real time and a second display unit displays a still image of the subject captured according to an image capture command signal received from a user, and in an image editing mode, when one of at least two or more images displayed on the first display unit is selected, the selected image is displayed on the second display unit, and at the same time, when a certain function icon provided to the first display nit is selected, a function allocated to the selected function icon is executed. An image of a camera preview and a captured image are displayed on each different display unit, so a user can capture a moment an image is to be captured and check the recently captured image by naked eyes, enhancing user convenience and providing fun to users.