Patent application number | Description | Published |
20090092185 | PORTABLE DEVICE FOR PROCESSING MULTIMEDIA SIGNAL AND METHOD USING THE SAME - A portable device for processing a multimedia signal is provided. The portable device includes: a signal receiver to receive a multimedia signal from a mobile terminal, the multimedia signal being received in the mobile terminal from a service providing server; a decoding-related information generation unit to generate decoding-related information which is related to at least one of a codec and a resolution; a decoder to decode the multimedia signal according to the decoding-related information, and to generate multimedia information; and a multimedia information transmitter to transmit the multimedia information to an external display device. | 04-09-2009 |
20090111385 | APPARATUS FOR DETERMINING INTERFERENCE USING CYCLIC PREFIX AND METHOD THEREOF - An interference determination apparatus, including a signal receiver to receive a first signal of a primary network and a second signal of a secondary network; a correlator to compute a correlation value of a first cyclic prefix included in the first signal and a correlation value of a second cyclic prefix included in the second signal; and an interference determination unit to determine an interference level or whether the interference occurs between the primary network and the secondary network, using the correlation value of the first cyclic prefix and the correlation value of the second cyclic prefix. | 04-30-2009 |
20090111525 | MINI BASE STATION CONNECTABLE WITH INTERNET AND TERMINAL - A mini base station connectable with the Internet including a frequency recognition unit to recognize a frequency band of an external signal transmitted from a cellular base station; and an operation frequency determination unit to determine an operation frequency band according to interference generated with the cellular base station based on the recognized frequency band of the external signal. | 04-30-2009 |
20090117914 | FREQUENCY SPECTRUM SENSING METHOD USING PILOT SIGNAL AND COGNITIVE RADIO SYSTEM USING THE SAME - An operation method of a radio communication station is provided. The operation method of a radio communication station, the operation method including: transmitting a basic pilot signal to at least one terminal located in a coverage of a preoccupied system; and transmitting a cognitive radio (CR) pilot signal. | 05-07-2009 |
Patent application number | Description | Published |
20150068796 | PRINTED CIRCUIT BOARD INCLUDING CONTACT PAD - Provided is a printed circuit board (PCB) used as a signal transmission line of a terminal, comprising a first ground layer elongating in one direction, a first dielectric layer deposited on a top of the first ground layer and elongating in the same direction as the first ground layer, a signal transmission line deposited on a top of the first dielectric layer and elongating in the same direction as the first dielectric layer, a ground pad elongating from one end of the first ground layer and in contact with an external ground, and a signal line pad extended from one end of the signal transmission line and in contact with an external signal line. | 03-12-2015 |
20150103763 | APPARATUS AND METHOD FOR AUTOMATION OF FREQUENCY RESOURCE MANAGEMENT OF IMS-BASED WIRELESS VIDEO SURVEILLANCE SYSTEM - The present invention relates to a method and an apparatus for efficiently requesting and allocating a wireless resource. According to one embodiment of the present invention, a method for requesting a resource comprises: a step of receiving target criteria for video quality from a server; a first determination step of determining whether the video quality matches the target criteria based on a peak signal-to-noise ratio (PSNR) or a frame rate; and, if the video quality does not match, a step of requesting the server to allocate an additional resource. According to one embodiment of the present invention, the use of a video surveillance system resource can be minimized and video quality can be easily ensured. | 04-16-2015 |
20150103785 | METHOD AND APPARATUS FOR CONTROLLING RESOURCE - A method for requesting resource allocation includes receiving a target quality of a video transmitted from a server, from the server, determining whether a ratio between a quality of a transmitted video and the target quality is less than a predetermined ratio threshold value, based on a Peak signal to Noise Ratio (PSNR) or frame-rate in a predetermined time section, and requesting allocation of additional resources for the video to the server when the ratio of between the quality of the transmitted video and the target quality is less than the ratio threshold value. Other embodiments including an apparatus for requesting resource allocation are also disclosed. | 04-16-2015 |
20150207825 | METHOD AND APPARATUS FOR NEGOTIATING COLOR INFORMATION IN IMAGE COMMUNICATION SYSTEM - A method and apparatus for a video call service in a communication system is provided. The method includes transmitting, in a process of configuring a session together with a second terminal by a first terminal, resolution information and color information of an image, which are transmittable and receivable, to the second terminal by the first terminal, receiving the resolution information and the color information of the image, which are transmittable and receivable by the second terminal, from the second terminal by the first terminal, and compressing the image according to the received resolution information and the received color information, and transmitting the image to the second terminal, by the first terminal. | 07-23-2015 |
20150326823 | APPARATUS AND METHOD FOR CHANGING MODE OF DEVICE - Methods and apparatuses are provided for changing a mode of a device by a server. The server receives, from a master device, at least one of a user preference document including information related to whether mode synchronization is activated between devices, a device context profile (DCP) document including a rule applied per mode, and a DCP directory document including information related to a profile activated in the DCP document. The at least one of the user preference document, the DCP document, and the DCP directory document is registered. When information related to changing a mode of the master device is received, the at least one of the user preference document, the DCP document, and the DCP directory document is changed based on the changed mode of the master device. The at least one of the changed user preference document, the changed DCP document, and the changed DCP directory document is transmitted to at least one slave device. | 11-12-2015 |
Patent application number | Description | Published |
20090006104 | METHOD OF CONFIGURING CODEC AND CODEC USING THE SAME - Provided is a codec that may be configured to adaptively optimize to various service environments by obtaining information on a current operating environment of the codec and configuring the codec in view of quality of service (QoS) parameters based on the obtained information. | 01-01-2009 |
20090054102 | METHOD AND APPARATUS FOR DETERMINING PREFERRED IMAGE FORMAT BETWEEN MOBILE VIDEO TELEPHONES - A method for determining a preferred image format in a User Equipment (UE) supporting a mobile video call between UEs. The UEs should each have a camera and a display Upon receiving, from an opposing UE, video transmission control information including therein a preferred image format. If the preferred image format requested by the opposing UE is acceptable, then the opposing UE is sent video transmission control information is sent including therein at least one of an acceptable response message and an acceptable new preferred image format according to acceptability of the preferred image format requested by the opposing UE. | 02-26-2009 |
20100195528 | COMMUNICATION SYSTEM AND METHOD FOR MEDIA ADAPTATION THEREIN - A media adaptation method in a communication system is provided. The method includes updating a previously stored management object by a communication terminal when an operating environment of the communication terminal is changed, and determining a packet unit between the communication terminal and another communication terminal using the updated management object by the communication terminal when communicating with the other communication terminal. | 08-05-2010 |
20120063430 | NAS COMMUNICATION METHOD AND APPARATUS IN MOBILE TELECOMMUNICATION SYSTEM - A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE information, from another network node to which the UE has been attached, are provided. The method is implemented with a UE, an MME, and an old MME or an old Serving General Packet Radio Service Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency. | 03-15-2012 |
20130169744 | METHOD AND APPARATUS FOR CONTROLLING INTRA-REFRESHING IN A VIDEO TELEPHONY COMMUNICATION SYSTEM - A method for requesting intra-refreshing in a video telephone communication system is provided. The method includes checking, by a reception apparatus, a sequence number and a Cyclic Redundancy Check (CRC) for received video packet data to detect presence of a packet loss; decoding the received video packet data to check frame type information; generating a control signal for requesting intra-refreshing in accordance with the checked frame type information and the sequence number; and transmitting the generated control signal for requesting intra-refreshing to a transmission apparatus. | 07-04-2013 |
20140050179 | METHOD AND SYSTEM FOR RESERVING RESOURCES IN MOBILE COMMUNICATION SYSTEM - The present invention relates to a resource reservation method and system for reserving resources in a mobile multimedia system, and the method of the present invention comprises: a resource request step in which a terminal, which has negotiated communication conditions with another terminal, transmits a PDP context activation request message for reserving resources according to the communication conditions to a serving GPRS support node (SGSN); and a response step in which the SGSN transmits a response message including information on a determined QoS level to the terminal. | 02-20-2014 |
20150023297 | COMMUNICATION SUPPORTING METHOD AND APPARATUS USING NON-ACCESS STRATUM PROTOCOL IN MOBILE TELECOMMUNICATION SYSTEM - A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing the signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE and acquire UE information, if there is any, from another network node to which the UE has been attached, are provided. The method for communication between the UE and network based on the NAS protocol messages and operations is implemented with the involvement a UE, an MME, and an old MME or an old Serving General Packet Radio Service (GPRS) Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during the communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency. | 01-22-2015 |
20150139078 | COMMUNICATION SUPPORTING METHOD AND APPARATUS USING NON-ACCESS STRATUM PROTOCOL IN MOBILE TELECOMMUNICATION SYSTEM - A method and apparatus for supporting Non-Access Stratum (NAS) communication between a User Equipment (UE) and a Mobility Management Entity (MME) efficiently by addressing the signaling problems occurring between the UE and the MME in a situation where it is necessary for a network node to identify the UE and acquire UE information, if there is any, from another network node to which the UE has been attached, are provided. The method for communication between the UE and network based on the NAS protocol messages and operations is implemented with the involvement a UE, an MME, and an old MME or an old Serving General Packet Radio Service (GPRS) Support Node (SGSN) to which the UE has been attached before so as to facilitate discovering a best node using the UE information acquired from the old MME or old SGSN during the communication between the UE and the network, resulting in a reduction of a communication delay between the UE and network and an improvement of communication efficiency. | 05-21-2015 |
Patent application number | Description | Published |
20100303436 | VIDEO PROCESSING SYSTEM, VIDEO PROCESSING METHOD, AND VIDEO TRANSFER METHOD - A video processing system is provided. The video processing system includes: a camera that compresses a captured video and provides the compressed video; a video preparation unit including a playback server that decodes a moving picture compression stream transmitted from the camera and a video processor that processes a video decoded by the playback server; and a display device that displays a video prepared and provided by the video preparation unit. Accordingly, a video captured and compressed by a camera is prepared by decoding, and the video is configured with various output conditions so as to be displayed on a display device. This, in comparison with the convention method in which a required video is decoded and displayed whenever a video display condition changes, the required video can be rapidly displayed within a short period of time, and videos captured by a plurality of cameras can be displayed on one image on a real time basis while maintaining a maximum frame rate of the cameras without restriction of the number of cameras. Therefore, there is an advantage in that a specific video can be zoomed in, zoomed out, or panned on a real time basis at the request of a user, thereby improving a usage rate and an operation response of the video processing system. | 12-02-2010 |
20130279871 | VIDEO PROCESSING SYSTEM AND VIDEO PROCESSING METHOD - A video processing system includes: a merge server configured to decode a plurality of individual videos provided from video providing units, encode the plurality of individual videos by adjusting an amount of data of each of the individual videos to generate a preliminary video, and provide the preliminary video; a display server configured to receive the preliminary video and configure final videos according to output conditions of a display device; and a control server configured to receive the output conditions from the display server and transfer an output control signal with respect to the preliminary video to the merge server. When a user wants, individual videos provided from the plurality of video providing units can be displayed on a display device without sacrificing resolution and a frame rate, and since videos can be zoomed in/out and panned in real time, operational responsiveness and usage efficiency of the video processing system can be enhanced. | 10-24-2013 |
Patent application number | Description | Published |
20130092491 | POWER SUPPLY APPARATUS FOR ON-LINE ELECTRIC VEHICLE, METHOD FOR FORMING SAME AND MAGNETIC FIELD CANCELATION APPARATUS - A power supply apparatus is for supplying power to an electric vehicle by a magnetic induction mechanism. The apparatus includes a power supply structure including a multiple number of power supply rail modules connected in a forward road direction, each power supply rail module including at least one power supply line passage elongated in the forward road direction, a power supply core of a lattice structure provided below the power supply line passage, and a concrete structure incorporating the power supply line passage and the power supply core; at least one power supply line accommodated in the power supply line passage in the forward road direction and surrounded by an insulating pipe; and at least one common line provided in the forward road direction and surrounded by an insulating pipe, for supplying power to the power supply apparatus. | 04-18-2013 |
20150035481 | NON-CONTACT POWER TRANSMISSION DEVICE, MAGNETIC INDUCTION-TYPE POWER SUPPLY DEVICE, MAGNETIC INDUCTION-TYPE POWER COLLECTOR, AND MOVING OBJECT USING SAME - Embodiments of the present invention relate to a non-contact power transmission device, a magnetic induction-type power supply device, a magnetic induction-type power collector, and a moving object using same. Embodiments of the present invention provide a non-contact power transmission device, a magnetic induction-type power supply device, a magnetic induction-type power collector, and a moving object using same, the non-contact power transmission device comprising: a power collector having a power collector core, and a boob power collector cable that winds around the power collector core; and a power supply unit comprising a power supply core having a holder section and protrusions on the center portion of the holder section and around the perimeter of the holder section, and a power supply cable wound in such a manner that electric currents flow in two different directions with respect to the protruding center portion, wherein the power collector is located in the opposite direction from the protruding portion. | 02-05-2015 |
Patent application number | Description | Published |
20080316157 | LIQUID CRYSTAL DISPLAY AND DRIVING METHOD THEREOF - A liquid crystal display comprising: a receiver for receiving power and differential signal; a backlight power supply which supplies the power to a backlight unit; a power-off sensor which senses power-off of the backlight power supply and distorts one of the differential signals; and a controller which senses the distortion of the differential signal and generates an after-image removing gray-scale signal. | 12-25-2008 |
20090040244 | DRIVING DEVICE, LIQUID CRYSTAL DISPLAY HAVING THE SAME, AND METHOD OF DRIVING THE LIQUID CRYSTAL DISPLAY - In a driving device, a liquid crystal display having the driving device, and a method of driving the liquid crystal display, the driving device includes a signal controller, a voltage selector, a gray-scale voltage generator, and a data driver. The signal controller outputs a power-down signal indicating an imminent power-off. The voltage selector outputs a common voltage in response to the signal. The gray-scale voltage generator receives the common voltage to generate common gray-scale voltages having a same voltage level as that of the common voltage. The data driver generates common data voltages based on the common gray-scale voltages. The driving device controls a display panel so that the display panel displays a white image in response to the signal. Thus, an after-image after the power-off is removed, therefore improving the display quality of the display panel. | 02-12-2009 |
20090066684 | DISPLAY AND DISCHARGING DEVICE OF THE SAME - A display including a display panel having a plurality of gate lines connected to a plurality of pixels, a gate driving unit which sequentially provides a gate turn-on voltage to the plurality of gate lines and provides a control voltage to the plurality of gate lines to which the gate turn-on voltage is not applied, and a discharging unit including a first input terminal receiving the gate turn-on voltage, a second input terminal receiving a first gate turn-off voltage, a output terminal outputting the control voltage and a short-circuit protection unit which prevents short-circuiting between the first input terminal and the second input terminal. The discharging unit provides the control voltage to the gate driving unit and a voltage level of the control voltage changes to any one level of a gate turn-on voltage and a first gate turn-off voltage response to a supply voltage. | 03-12-2009 |