Abstract: A photographing device supporting a panoramic imaging includes an image capture section for photographing a subject and outputting image data representing the subject, a sensor module for computing and outputting an azimuth of a photographing direction toward the subject, an image processor for creating a panoramic image by combining a plurality of image data captured at the image capture section, an output section for displaying a message using a display, and a controller for controlling the output section to set a target azimuth corresponding to an azimuth at an image capture and to adjust a photographing direction to the target azimuth when one of the plurality of the image data is captured. Thus, after photographing the subject in various angles while precisely controlling the photographing direction, the panoramic image can be created by combining the captured images.

Abstract: Disclosed is a mobile communication device for searching data based on a rotation angle. The mobile communication device includes a body; a geomagnetic sensor for detecting a rotation angle of the body based on an axis perpendicular to the earth surface; a main memory for storing an image corresponding to the rotation angle; a display unit for displaying the image on a screen; and a control unit for, if the rotation angle detected in the geomagnetic sensor is changed, extracting an image corresponding to the changed rotation angle from the main memory and controlling the display unit to display the image. With this technology, data can be searched conveniently without manipulating keys many times.

Abstract: A geomagnetic sensor which informs a user that information with respect to a distorted azimuth angle may be detected. The geomagnetic sensor includes a geomagnetism detection module including an X axis fluxgate and a Y axis fluxgate orthogonal to each other and detecting a predetermined amount of electrical signals corresponding to a geomagnetism of each of the fluxgates; a signal processing unit for converting the electrical signal output from the geomagnetism detection module to predetermined X axis and Y axis output values and outputting them; a display unit for displaying a predetermined warning message on a screen; and a control unit for determining whether the output values of the X and Y axes are distorted, and controlling the display unit to display the predetermined warning message upon determination that the output values are distorted. Accordingly, the possibility of a distorted azimuth angle may be detected and informed to a user.

Abstract: A user interface using a geomagnetic sensor and a method of generating an input signal thereof which can generate an input signal by calculating position coordinates of a pointer using output values of the geomagnetic sensor according to a inclining degree of the user interface. The user interface includes a geomagnetic sensor for digitalizing and outputting voltage values of X and Y axes of the geomagnetic sensor, which are induced by a geomagnetic field and correspond to an inclining state of the user interface, with predetermined levels, a memory for storing the output values of the geomagnetic sensor, present coordinates of a pointer, and center coordinates of a screen of a display device, and a controller for controlling the output levels of the geomagnetic sensor, calculating new coordinates of the pointer corresponding to the inclining state using the output values of the X and Y axes, and outputting a signal corresponding to information about the new coordinates of the pointer to the display device.

Abstract: A video pick device for displaying a menu in a fixed position regardless of its rotation state. The photographing device comprises a geomagnetic sensor for detecting a predetermined output value corresponding to a geomagnetism; a display unit for displaying a predetermined menu through a display panel; and a control unit for checking the output value detected by the geomagnetic sensor to determine a pickup position, and controlling the display unit to have a display state of the menu changed in response to the determined pickup position. Accordingly, the menu display state on the display panel is changed in response to respective pickup positions to be displayed with the same form in a fixed direction with respect to the surface of the earth.

Abstract: A geomagnetic sensor for detecting a dip angle includes a geomagnetic detection module for outputting an electric signal having a magnitude corresponding to a magnetic field; a memory for storing an azimuth measured in a horizontal plane; an accelerometer module for measuring a tilt at present, and computing a tilt angle therefrom; and a controller for calculating a dip angle by using the electric signal outputted from the geomagnetic detection module, the tilt angle, and the horizontal azimuth. Therefore, a user can more easily and conveniently calculate the dip angle at the present position.

Abstract: An apparatus for calculating an azimuth angle includes a two-axis earth magnetic sensor, which is mounted on a device that requires azimuth information, for measuring a strength of an earth magnetic field according to the azimuth information if the device moves, an inclinometer for calculating an attitude such as a roll angle and a pitch angle, a signal conditioning unit including an analog-to-digital (A/D) converter for converting sensor data into a digital value, a microprocessor for calculating the azimuth information by compensating for an attitude error using outputs of the two-axis earth magnetic sensor and the inclinometer, a serial communication interface for transmitting the data processed by the microprocessor, and an LCD module for displaying the azimuth information calculated by the microprocessor.

Abstract: The present invention relates to a process of separation a protein of interest comprising expressing the protein of interest fused with a fusion partner, selectively adsorbing on matrix, and performing efficient cleavage reaction on the fusion protein adsorbed on matrix or separated from the matrix, and recovering the protein of interest. Also, the present invention provides a fusion protein comprising a protein of interest and a fusion partner, wherein the fusion partner comprises an amino acid sequence which can be cleaved by ubiquitin cleavage enzyme at its C-terminus, and hwich has a difference in isoelectric point of 1 or more from the protein of interest. According to the present invention, the proteins of interest can be purified in high yield and purity. In addition, complicated separating processes required in the production of recombinant proteins can be eliminated so as to cut down the production cost.

Abstract: A two-axis fluxgate sensor has a driving pulse generating circuit which generates pulse signal and outputs as a driving signal, and X-axis and Y-axis fluxgates which are in proportional relation with each other. The two-axis fluxgate sensor generates voltage values of X-axis and Y-axis fluxgates corresponding to the magnetism which is generated from the driving signal, and a memory stores therein a neural network weight matrix. When the voltage values of the X-axis and Y-axis fluxgates are measured, a control unit compensates for the voltage values by using the neural network weight matrix which is stored in the memory, and computes an azimuth angle by using the compensated voltage values. An accurate azimuth angle can be obtained even at slopes.

Abstract: A three-axis fluxgate-type circuit having three fluxgate sensors for outputting three analog voltage values respectively. A controller normalizes three digital voltage values corresponding to said three analog voltage values, select a set of linear voltage values from the three normalized digital voltage values and calculate an azimuth based on the set of linear voltage values.

Abstract: A geomagnetic sensor supporting a dip angle detection function. The geomagnetic sensor includes a rotation angle measurement part for measuring pitch and roll angles of the main body with respect to the surface of the Earth; a geomagnetic measurement module for outputting an electric signal corresponding to the geomagnetic field; a memory for storing predetermined reference azimuths and output values of the geomagnetic measurement module corresponding to changes of the pitch and roll angles; and a controller for calculating azimuths by use of the output values of the geomagnetic measurement module, the pitch and roll angles, and predetermined dip angles. The controller establishes at least two dip angles, calculates the azimuth for each dip angle, compares the azimuth to the reference azimuth, and determines a dip angle at the azimuth having a smaller azimuth error as a current dip angle. The geomagnetic sensor can measure a precise dip angle using a simple method.

Abstract: An apparatus for calculating an azimuth angle includes a two-axis earth magnetic sensor, which is mounted on a device that requires azimuth information, for measuring a strength of an earth magnetic field according to the azimuth information if the device moves, an inclinometer for calculating an attitude such as a roll angle and a pitch angle, a signal conditioning unit including an analog-to-digital (A/D) converter for converting sensor data into a digital value, a microprocessor for calculating the azimuth information by compensating for an attitude error using outputs of the two-axis earth magnetic sensor and the inclinometer, a serial communication interface for transmitting the data processed by the microprocessor, and an LCD module for displaying the azimuth information calculated by the microprocessor.

Abstract: A sensing apparatus having a fluxgate and a control method capable of reducing current applied to drive the fluxgate are disclosed, the sensing apparatus including a driving coil for exciting a magnetic substance core with current, a current amplifier for applying the current to first and second ends of the driving coil, a fluxgate having a pulse generator for generating a pulse to turn on/off the current amplifier, an A/D converter for converting an analog signal from the fluxgate into a digital signal, and a pulse controller for outputting a control signal allowing the pulse to be applied to the current amplifier until it is determined that the conversion of the analog signal into the digital signal by the A/D converter is completed.

Abstract: A pointing apparatus using a piezoelectric film, a method for producing the apparatus, and apparatus and method for detecting pointing information therefor are provided. The pointing apparatus includes a plurality of first strips arranged in a first direction at a first predetermined interval, each of which is extended in a second direction perpendicular to the first direction and is touched when a pointer is moved in the first direction, and a plurality of second strips, which are lapped over the plurality of the first strips and arranged in the second direction at a second predetermined interval, each of which is extended in the first direction and is touched when the pointer is moved in the second direction.

Abstract: A host apparatus includes an ultrasound receiving unit receiving an ultrasound signal from a pointing apparatus and outputting an electric signal. A controlling unit calculates a position of a pointer on a display screen corresponding to a position of the pointing apparatus based on the electric signal from the ultrasound receiving unit, and outputs a control signal to the display screen to position the pointer at the calculated position of the display screen.

Abstract: A pointing apparatus using a piezoelectric film, a method for producing the apparatus, and apparatus and method for detecting pointing information therefor are provided. The pointing apparatus includes a plurality of first strips arranged in a first direction at a first predetermined interval, each of which is extended in a second direction perpendicular to the first direction and is touched when a pointer is moved in the first direction, and a plurality of second strips, which are lapped over the plurality of the first strips and arranged in the second direction at a second predetermined interval, each of which is extended in the first direction and is touched when the pointer is moved in the second direction.

Abstract: A key switch of a keyboard of the present invention includes a key cap and an elastic body which supports and allows the key cap to elastically move up and down. The elastic body is a band shaped structure and includes end portions which are pivotally supported above a substrate, a central portion bulged to contact a bottom surface of the key cap, and curved portions having a curvature opposite to that of the central portion disposed between corresponding ones of the end portions and the central portion. The curved portions of the elastic body are deformed at a position lower than an upper surface of the substrate. Therefore, the overall height of the key switch can be reduced, allowing for the manufacture of a slimmer keyboard unit.

Abstract: A key switch of a keyboard of the present invention includes a key cap and an elastic body which supports and allows the key cap to elastically move up and down. The elastic body is a band shaped structure and includes end portions which are pivotally supported above a substrate, a central portion bulged to contact a bottom surface of the key cap, and curved portions having a curvature opposite to that of the central portion disposed between corresponding ones of the end portions and the central portion. The curved portions of the elastic body are deformed at a position lower than an upper surface of the substrate. Therefore, the overall height of the key switch can be reduced, allowing for the manufacture of a slimmer keyboard unit.

Abstract: A shadow mask frame for a color picture tube has side walls which are cut out to form cut-out sections, leaving only a plurality of bridge portions. A separate supporting means for the frame is provided in a direct contact with the shadow mask. According to the shadow mask frame of the present invention, the compensation period or the purity drift period from the starting of the operation of the color picture tube to the stabilization of the screen images will become very short.