Abstract: A fixing device for a vehicle configured to connect the vehicle's cabin unit and loading unit of loading cargo at the rear of the cabin unit includes a coil transmitting an electromagnetic force to a drive pulley, an assembly module including a drive pulley and mechanically fixing the cabin unit and the loading unit together through a driving force of the drive pulley via the coil when the loading unit moves and aligns with the cabin unit, and a magnetic module enclosing the assembly module on an external side of the assembly module and magnetically fixing the cabin unit and the loading unit together by changing a magnetic circuit through a rotation force of a magnetic body while the cabin unit and the loading unit are mechanically connected to each other.

Abstract: A receiver includes an amplification block supporting carrier aggregation (CA). The amplification block includes a first amplifier circuit configured to receive a radio frequency (RF) input signal at a block node from an outside source, amplify the RF input signal, and output the amplified RF input signal as a first RF output signal. The first amplifier circuit includes a first amplifier configured to receive the RF input signal through a first input node to amplify the RF input signal, and a first feedback circuit coupled between the first input node and a first internal amplification node of the first amplifier to provide feedback to the first amplifier.

Abstract: A receiver includes an amplification block supporting carrier aggregation (CA). The amplification block includes a first amplifier circuit configured to receive a radio frequency (RF) input signal at a block node from an outside source, amplify the RF input signal, and output the amplified RF input signal as a first RF output signal. The first amplifier circuit includes a first amplifier configured to receive the RF input signal through a first input node to amplify the RF input signal, and a first feedback circuit coupled between the first input node and a first internal amplification node of the first amplifier to provide feedback to the first amplifier.

Abstract: A receiver includes an amplification block supporting carrier aggregation (CA). The amplification block includes a first amplifier circuit configured to receive a radio frequency (RF) input signal at a block node from an outside source, amplify the RF input signal, and output the amplified RF input signal as a first RF output signal. The first amplifier circuit includes a first amplifier configured to receive the RF input signal through a first input node to amplify the RF input signal, and a first feedback circuit coupled between the first input node and a first internal amplification node of the first amplifier to provide feedback to the first amplifier.

Abstract: A receiver circuit is provided. The receiver circuit includes an antenna configured to receive a radio frequency (RF) signal; a filter configured to filter the RF signal received by the antenna; and a passive mixer circuit configured to adjust a center frequency of the filtered RF signal to a predetermined frequency. The passive mixer circuit includes: a transformer which includes a first coil and a second coil that is separate from the first coil; a first passive mixer which is directly connected to a first end of the second coil; and a second passive mixer which is directly connected to a second end of the second coil and is separate from the first passive mixer.

Abstract: A receiver circuit is provided. The receiver circuit includes an antenna configured to receive a radio frequency (RF) signal; a filter configured to filter the RF signal received by the antenna; and a passive mixer circuit configured to adjust a center frequency of the filtered RF signal to a predetermined frequency. The passive mixer circuit includes: a transformer which includes a first coil and a second coil that is separate from the first coil; a first passive mixer which is directly connected to a first end of the second coil; and a second passive mixer which is directly connected to a second end of the second coil and is separate from the first passive mixer.

Abstract: A method of garbling a real-world image for a see-through head mounted display includes capturing a real-world image through a see-through camera; converting the captured real-world image into a video signal; changing reality of the real-world image by garbling the real-world image converted into the video signal; and receiving the garbled real-world image and driving the see-through head mounted display to display the received garbled real-world image.

Abstract: A receiver includes an amplification block supporting carrier aggregation (CA). The amplification block includes a first amplifier circuit configured to receive a radio frequency (RF) input signal at a block node from an outside source, amplify the RF input signal, and output the amplified RF input signal as a first RF output signal. The first amplifier circuit includes a first amplifier configured to receive the RF input signal through a first input node to amplify the RF input signal, and a first feedback circuit coupled between the first input node and a first internal amplification node of the first amplifier to provide feedback to the first amplifier.

Abstract: A wireless communication system provides an antenna apparatus for the wireless communication system. The antenna apparatus includes a base, a plurality of Yagi-Uda antenna modules disposed in a specific arrangement, a plurality of floating metal modules correspondingly installed in upper portions of the Yagi-Uda antenna modules and selectively connected to a corresponding Yagi-Uda module among the plurality of Yagi-Uda antenna modules, a switching element for selectively switching the floating metal module and the Yagi-Uda antenna module, and a controller for controlling the Yagi-Uda antenna module to comprise a directivity in a desired direction by selectively switching the switching element.

Abstract: Disclosed are a display apparatus and a contents display method. The display apparatus includes: a mobile device tracing information processing unit for receiving position information or orientation information of a mobile device and generating tracing information of the mobile device based on the received position information or orientation information of the mobile device; a gesture processing unit for receiving input information of the mobile device and generating gesture information to change an output format of contents by using the received input information; a rendering unit for generating a predetermined contents image based on the tracing information of the mobile device and the gesture information; and a display unit for displaying the generated contents image.

Abstract: A graphic user interface, an input/output computing apparatus for intuitive interfacing, and a method of interfacing are disclosed. The input/output computing apparatus for intuitive interfacing with a user, includes an input unit to detect one of a plurality of predetermined motions of the user and generate a signal corresponding to the detected predetermined motion, and a controller to carry out an operation corresponding to the signal and generate a control signal to display the result corresponding to the operation.

Abstract: An OOK modulation device according to the present inventive concept includes: an oscillator outputting a first frequency signal in which the frequency varies according to an input voltage; a frequency multiplier switching unit operating according to an OOK input data and switching on/off a second frequency signal that is obtained by multiplying the first frequency signal; and a switching amplifying unit amplifying and switching the second frequency signal according to the OOK input data to output an OOK modulation signal.

Abstract: Disclosed are a head-mounted display apparatus and a contents display method. The head-mounted display apparatus includes: a mobile device tracing information processing unit for receiving position information or orientation information of a mobile device and generating tracing information of the mobile device based on the received position information or orientation information of the mobile device; a gesture processing unit for receiving input information of the mobile device and generating gesture information to change an output format of contents by using the received input information; a rendering unit for generating a predetermined virtually augmented contents image based on the tracing information of the mobile device and the gesture information; and a display unit for displaying the generated virtually augmented contents image.

Abstract: A gaze tracking device includes a first image acquisition unit installed at a right side of a face of a user to acquire a side image of a right eye, a second image acquisition unit installed at a left side of the face of the user to acquire a side image of a left eye, a fixing unit to fix the first image acquisition unit and the second image acquisition unit, and a gaze tracking unit to track a gaze position of the user by deriving a pupil and iris area, a sclera area, and an angle between eyelids from the side image of the right eye and the side image of the left eye. Accordingly, accurate gaze tracking is ensured while realizing a compact and lightweight gaze tracking device.

Abstract: An OOK modulation device according to the present inventive concept includes: an oscillator outputting a first frequency signal in which the frequency varies according to an input voltage; a frequency multiplier switching unit operating according to an OOK input data and switching on/off a second frequency signal that is obtained by multiplying the first frequency signal; and a switching amplifying unit amplifying and switching the second frequency signal according to the OOK input data to output an OOK modulation signal.

Abstract: A head mounted display and a method of displaying a content using the head mounted display are disclosed. The head mounted display is disclosed which includes: a display unit displaying a content; and a first lens unit configured by a set of lens elements that refract the content displayed on the display unit in an eyeball direction.

Abstract: A method and apparatus for displaying content and a computer-readable recording medium thereof are disclosed. The method for displaying content includes: generating a page corresponding to a content file included in a folder; generating a folder display portion corresponding to the folder and an information display layer including the page; outputting the information display layer on a content display apparatus; sensing touch of the content display apparatus; and changing an output format of the information display layer based on the sensed touch.

Abstract: An image manipulation apparatus for displaying a three-dimensional image of an object displayed on a display apparatus in correspondence with orientation of a mobile apparatus includes: an orientation information processor configured to generate orientation displacement information corresponding to orientation of the mobile apparatus; a renderer configured to generate a rendering image of the three-dimensional image using the three-dimensional image of the object and the orientation displacement information; and a transmitter configured to transmit the rendering image to the display apparatus.

Abstract: An exclusive OR circuit includes, inter alia: a low pass unit configured to apply a second data to an output node when a first data is at a low level and to apply the first data to the output node when the second data is at a low level, and a discharge unit configured to discharge a voltage level of the output node when the first and second data are at a high level.

Abstract: Disclosed are a head-mounted display apparatus and a contents display method. The head-mounted display apparatus includes: a mobile device tracing information processing unit for receiving position information or orientation information of a mobile device and generating tracing information of the mobile device based on the received position information or orientation information of the mobile device; a gesture processing unit for receiving input information of the mobile device and generating gesture information to change an output format of contents by using the received input information; a rendering unit for generating a predetermined virtually augmented contents image based on the tracing information of the mobile device and the gesture information; and a display unit for displaying the generated virtually augmented contents image.