Patent application number | Description | Published |
20080316248 | METHOD AND APPARATUS TO DETECT TEMPERATURE OF PRINTHEAD FOR INKJET PRINTER - A method and apparatus to detect the temperature of an inkjet head are provided. A method of detecting the temperature of an inkjet head, comprising detecting an amount of printing data allocated to each of a plurality of unit head chips of the inkjet head, determining a detection frequency of temperature information on each of the plurality of unit head chips according to the detected amount of printing data, and detecting the temperature information on each of the plurality of unit head chips according to the determined detection frequency. | 12-25-2008 |
20090135100 | Plasma display device and driving method thereof - A method of driving a frame of plasma display device having a first electrode, a second electrode, and an address electrode, the method including gradually decreasing a voltage of the second electrode from a second voltage to a third voltage and, while decreasing the voltage of the second electrode, supplying a vertical synchronization pulse and applying a first voltage to the first electrode, after the voltage of the second electrode reaches the third voltage, gradually increasing the voltage of the second electrode from a fifth voltage to a sixth voltage while a fourth voltage is applied to the first electrode, and, after the voltage of the second electrode reaches the sixth voltage, gradually decreasing the voltage of the second electrode from an eighth voltage to a ninth voltage while a seventh voltage is applied to the first electrode. | 05-28-2009 |
20090213105 | DRIVING METHOD OF PLASMA DISPLAY PANEL - A driving method for a plasma display panel capable of stabilizing a sustain discharge. The driving method for a plasma display panel according to exemplary embodiments of the present invention includes applying a signal gradually rising to a first voltage to scan electrodes during a first period of a sustain period, and applying a second voltage to sustain electrodes during the first period. | 08-27-2009 |
20100007701 | CERAMIC PRINTED CIRCUIT BOARD (PCB) AND INKJET PRINTHEAD ASSEMBLY USING THE SAME - A ceramic printed circuit board (PCB) and an inkjet printhead assembly using the ceramic PCB. A ceramic PCB in which a plurality of layers are stacked includes a plurality of terminals to receive an electric signal from an external source, a plurality of circuit patterns connected to the plurality of terminals to transmit the electric signal, and a termination resistor having a predetermined thickness disposed between the plurality of circuit patterns, wherein the termination resistor is mounted between the plurality of stacked layers. | 01-14-2010 |
20110284388 | Resin Plating Method Using Graphene Thin Layer - According to an example embodiment a method of plating resin using a graphene thin layer includes forming a graphene thin layer on a resin substrate and electroplating the resin substrate having the graphene thin layer fog on the resin substrate. | 11-24-2011 |
20120188936 | METHOD AND DEVICE FOR SENDING AND RECEIVING A REFERENCE SIGNAL - The present invention relates to a method for sending and receiving a reference signal for a backhaul subframe in a wireless communication system in which a relay is present and also to a device therefor, constituted in such a way that common reference signals for a plurality of receiving devices and reference signals dedicated to separate receiving devices are allocated dispersed in a subframe, and the common reference signals and the dedicated reference signals are generated and are sent and received via the subframe. The present invention can improve the channel estimation performance for subframes in a wireless communication system. In this way, communications efficiency in wireless communication systems can be improved. | 07-26-2012 |
20130328867 | APPARATUS AND METHOD FOR PROVIDING AUGMENTED REALITY INFORMATION USING THREE DIMENSION MAP - An apparatus for providing augmented information using a 3-D map in a mobile device including a camera, a display that displays a current image including a first object acquired in real time through the camera, and a controller that performs to control such that the current image acquired in real time and an actual 3-D image acquired and stored by previously photographing the first object are mixed and displayed on the display. | 12-12-2013 |
20130328929 | MOBILE COMMUNICATION TERMINAL FOR PROVIDING AUGMENTED REALITY SERVICE AND METHOD OF CHANGING INTO AUGMENTED REALITY SERVICE SCREEN - A method of changing into a screen of an Augmented Reality (AR) service in a mobile communication terminal including a camera is provided. The method of changing into a screen of an AR service in a mobile communication terminal includes displaying a prior screen different from an AR service screen, detecting a predetermined event to change display of the prior screen to the AR service screen, driving the camera if the predetermined event has been detected, capturing an image using the camera, and displaying the AR service screen rendered based on the image captured by the camera. | 12-12-2013 |
20130328930 | APPARATUS AND METHOD FOR PROVIDING AUGMENTED REALITY SERVICE - An apparatus for providing an augmented reality service is provided. The apparatus includes a first server configured to provide an augmented reality service for a first region, a second server configured to provide an augmented reality service for a second region that is differentiated from the first region, and a terminal configured to receive information for the second region from any one of the first server and the second server, and at the time of entering the second region from the first region in the course of performing the augmented reality service mode for the first region, configured to output the information for the second region and configured to switch to the augmented reality service performing mode for the second region. | 12-12-2013 |
20130332482 | APPARATUS AND METHOD OF TRACKING LOCATION OF WIRELESS TERMINAL BASED ON IMAGE - An apparatus for tracking a location of a wireless terminal based on an image is provided. The apparatus includes an image matching database to store images classified by regions, and a matcher to receive a query image captured by a camera module of the wireless terminal and image matching data that contains region information about where the query image is captured, to search the image matching database for a matching image that corresponds to the image matching data, to determine if the query image matches the matching image, and to send the wireless terminal location information that corresponds to the matching information if the query image matches the matching image. | 12-12-2013 |