Patent application number | Description | Published |
20080249739 | Apparatus for Determining Diameter of Parabolic Antenna and Method Therefor - Provided are an apparatus and method for determining a diameter of a reflector antenna. The apparatus includes a setting unit for setting up electrical characteristic values of the reflector antenna upon receipt thereof from outside, a parameter input unit for receiving a frequency, an antenna diameter variable value, antenna efficiency, Edge Taper (ET), and an Edge Of Coverage (EOC) angle as parameters for each of multiple frequencies to be accommodated in the reflector antenna, a graph generator for generating, on one rectangular coordinate, a graph representing the relationship between an antenna diameter and EOC directivity with respect to the EOC angle based on the parameters for each frequency received through the parameter input unit, an antenna diameter determination unit for determining an antenna diameter that simultaneously meets the preset EOC directivities for the frequencies to be accommodated in the reflector antenna by using the graph generated by the graph generation unit, and a graph output unit for mapping and outputting the graph generated by the graph generation unit on one rectangular coordinate with an antenna diameter axis and an EOC directivity axis to thereby represent the antenna diameter determined by the antenna diameter determination unit on the graph. | 10-09-2008 |
20090091493 | METHOD FOR CORRECTING IONOSPHERE ERROR, AND SYSTEM AND METHOD FOR DETERMINING PRECISION ORBIT USING THE SAME - Provided is a method of correcting an ionosphere error, a system of a precise orbit determination using the same and a method thereof. The method includes the steps of: a) determining a time of a highest elevation angle of a GPS satellite per one pass of each GPS satellite received at a LEO satellite or a receiver on a ground; b) determining a minimum total electron content found from an ionosphere model of the determined time per one pass of each GPS satellite; c) determining a total electron content directly calculated from the LEO satellite or a single frequency GPS data; d) determining an ionosphere error value of a single frequency GPS data by combining the minimum total electron content and the directly calculated total electron content; and e) correcting pseudorange data or carrier phase data based on the determined ionosphere error value. | 04-09-2009 |
20090273512 | GLOBAL COORDINATE CREATION METHOD FOR PRECISION MEASUREMENT OF HOLLOW FRAME - A method of creating a global coordinate of a polyhedral hollow frame includes a first step of providing a plurality of transmitters on a reference surface in the hollow frame, providing a plurality of reference sensors to create the coordinate of the reference surface, and creating a local coordinate frame of the reference surface on the basis of the positional coordinates measured by the reference sensors; a second step of providing reference sensors at common points of a first vertical surface neighboring to the reference surface to measure and store the coordinates of the common points; a third step of providing a plurality of transmitters and reference sensors on the first vertical surface neighboring to the reference surface to create a local coordinate frame of the first vertical surface; a fourth step of transforming the local coordinate frames created at the first and the third steps into a global coordinate frame using the coordinates of the common points measured at the second step; a fifth step of repeatedly performing the second step to the fourth step on remaining vertical surfaces of the polyhedral hollow frame to transform the respective local coordinate frames into a unified global coordinate frame; a sixth step of providing transmitters on an upper surface neighboring to each vertical surface to obtain the relationship between the global coordinate frame and a local coordinate frame of the upper surface using the coordinates of the common point; and a seventh step of creating and applying a global coordinate frame using the relationship obtained at the sixth step. | 11-05-2009 |
20100020305 | THREE-DIMENSIONAL MEASUREMENT SYSTEM AND RESCALING METHOD USING INDOOR GPS - A three-dimensional measurement system using an IGPS includes a rescale bar having linear scales thereon, a linear encoder for measuring an absolute length within which the linear encoder moves on the rescale bar, a plurality of optical transmitters that radiates pan beams, and a vector bar having one end attached to the linear encoder, and having a receiver to detect the pan beams radiated from the optical transmitters, the vector bar acquiring coordinates of two points where the vector bar moves by using the receiver, and measuring a relative length from the coordinates. A ratio between the absolute length and the relative length is applied in rescaling an actual distance between two positions to be measured. | 01-28-2010 |
20100026572 | METHOD AND APPARATUS FOR CALCULATING ATTACHMENT LOCATION AND THICKNESS OF SUPPLEMENT PAD USING INDOOR GPS - A method and apparatus method of calculating attachment location and thickness of a supplement pad to be attached to a member includes a first step of receiving information on flatness measurement points from a unified management server which have previously been calculated during design of the member, a second step of calculating a three-dimensional coordinate at each of the flatness measurement points on the member, and a third step of calculating the attachment location and thickness of the supplement pad to be attached to the member on the basis of the calculated three-dimensional coordinates. The second step includes bringing an indoor GPS sensor into contact with the member at each of the flatness measurement points, and calculating the three-dimensional coordinate on an end of the indoor GPS sensor, which is in contact with the member, through the use of another indoor GPS installed on the member | 02-04-2010 |
20100030378 | MULTI-FUNCTION ROBOT FOR MOVING ON WALL USING INDOOR GLOBAL POSITIONING SYSTEM - A wall climbing robot using an Indoor Global Positioning System (IGPS) provided in a room is disclosed. The wall climbing robot includes a navigation receiver configured to receive rotating fan beams emitted from one or more navigation transmitters of the indoor global positioning system, and recognize the rotating fan beams as IGPS signals; a robot frame provided with the navigation receiver mounted; a mobile controller configured to be installed on the robot frame, and to recognize and determine its own position using the IGPS signals; and a drive mechanism configured to travel along the surfaces of the room under control of the mobile controller. The mobile controller includes a central processing unit, an input/output unit, a motion control unit, a drive control unit, a navigation control unit, a sensor signal processor, an emergency processing unit, and an alarm generator. | 02-04-2010 |
20100066600 | MOBILE APPARATUS FOR TRACKING SATELLITE AND METHOD THEREOF - A mobile apparatus for tracking a satellite, includes: a mobile unit; a GPS receiving unit mounted on the mobile unit that generates position coordinates of the mobile unit; a level meter mounted on the mobile unit that adjusts the mobile unit in horizontal and obtains a tilt angle of the mobile unit; an antenna unit mounted on the mobile unit and being adjusted to the true north direction according to the position coordinates. Further, the mobile apparatus for tracking a satellite includes position tracking control unit mounted on the mobile unit that temporarily stops the mobile unit when tracking a position of the satellite, adjusts the mobile unit in horizontal by the level meter and aligns the position coordinates and the tile angles to correct current position information of the mobile unit. | 03-18-2010 |
20100082155 | APPARATUS FOR MONITORING BUILDING STATUS OF CAVITY FRAME - Disclosed is an apparatus for monitoring a building status achieved during building a cavity frame such as an internal freight warehouse of a cargo. The apparatus for monitoring a building status of a cavity frame includes a portable computer, a central host computer, and an indoor global positioning system. The portable computer remotely accesses the central host computer and downloads information on a work schedule, and the central host computer receives information on problems during works from the portable computer. The indoor global positioning system remotely accesses the central host computer to transmit positional information of a working robot in the cavity frame. The central host computer then transmits, to the working robot, an instruction to perform a corresponding work at a position of the working robot. | 04-01-2010 |
20110037648 | APPARATUS FOR TRANSMITTING PSEUDOLLITE SIGNAL BASED ON SINGLE CLOCK AND POSITIONING SYSTEM USING THE SAME - An apparatus for transmitting a pseudollite signal so that a navigation signal is transmitted includes: at least four pseudollite configured to generate and output pseudollite codes for navigation; antennas configured to transmit signals outputted by the pseudollite corresponding to the antennas, respectively; and a single synchronization clock unit configured to provide each of the pseudollites with a synchronization clock. | 02-17-2011 |
20110122019 | APPARATUS FOR SEARCHING A DISTRESS SIGNAL AND THE CONTROLLING METHOD THEREOF - Provided are an apparatus for searching a distress signal and a controlling method thereof. The apparatus for searching a distress signal includes: a beacon receiver receiving the distress signal transmitted from a distress beacon apparatus of a COSPAS-SARSAT system; a decoder decoding the distress signal to acquire distress information; and a display unit displaying the acquired distress information. The apparatus for searching a distress signal is used by a search and rescue team. | 05-26-2011 |
20120005274 | SYSTEM AND METHOD FOR OFFERING CLOUD COMPUTING SERVICE - Provided is a cloud computing service providing system that may generate a list by classifying at least one information providing terminal based on platform information and content information received from the at least one information providing terminal, may provide the generated list to at least one user terminal, and, when a selection signal indicating that one of the at least one information providing terminal is selected by a user terminal, may connect the user terminal with the selected information providing terminal based on a peer-to-peer (P2P) scheme. | 01-05-2012 |
20120043162 | TENDON CONTROLLED MOBILE PLATFORM - The present invention discloses a tendon controlled mobile platform configured to move within a work space defined by a structure. The tendon controlled mobile platform of the present invention, which includes: a mobile platform including a main frame, a plurality of upper winches coupled to an upper part of the main frame, and a plurality of lower winches coupled to a lower part of the main framed, the mobile platform being placed with the work space; a plurality of first wires having respective one ends coupled to lower sides of the structure and respective the other ends coupled to the upper winches, the lengths of the first wires being adjustable; and a plurality of second wires having respective one ends coupled to upper sides of the structure and respective the other ends coupled to the lower winches, the lengths of the second wires being adjustable, can expand the movement range of the mobile platform, thereby expanding the work area, and can easily move the work equipment to an adjacent work area. | 02-23-2012 |
20120112925 | APPARATUS AND METHOD FOR MONITORING STATUS OF SATELLITE TRANSPONDER USING STATISTICAL ANALYSIS OF TELEMETRY DATA - Provided are an apparatus and a method for monitoring a status of a satellite transponder using a statistical analysis of telemetry data, which may disclose a configuration to receive at least one of an input signal level and an output signal level with respect to a satellite transponder, to receive telemetry data with respect to the satellite transponder, and to statistically analyze the telemetry data based on the at least one of the input signal level and the output signal level. | 05-10-2012 |
20120119946 | SYSTEM AND METHOD FOR TESTING PERFORMANCE OF TRANSPONDER - Disclosed is a satellite performance monitoring system. The satellite performance monitoring system may include a satellite communication controlling apparatus that is installed outdoors to transmit a test signal for measuring a performance of a satellite transponder to the satellite transponder and thereby receive a test response signal from the satellite transponder, and to transmit a reference signal to the satellite transponder and thereby receive a reference response signal from the satellite transponder; and a satellite performance monitoring apparatus that is installed indoors to generate the test signal and the reference signal, to generate a frequency response characteristic with respect to the satellite transponder using the test response signal, to compute a signal change amount occurring due to a weather condition using the reference signal and the reference response signal, and to apply the computed signal change amount to the frequency response characteristic. | 05-17-2012 |
20120139785 | SYSTEM FOR COLLECTING AND MANAGING RAINFALL ATTENUATION AND RAINFALL INTENSITY ON SATELLITE COMMUNICATIONS SYSTEM - Provided is a system for collecting and managing rainfall attenuation data and rainfall intensity data in a satellite communication system. The system may include: a satellite transmitter to transmit a satellite beacon signal; a Global Positioning System (GPS) to transmit a GPS signal; at least one data collecting apparatus to generate rainfall attenuation data about the satellite beacon signal when the satellite beacon signal is received from the satellite transmitter, and to generate rainfall intensity data within a valid path length of rainfall attenuation, to extract time information from the GPS signal, and to assign the time information to the rainfall attenuation data and the rainfall intensity data; and a data managing apparatus to receive, from the at least one data collecting apparatus, the rainfall attenuation data and the rainfall intensity data assigned with the time information, and to manage the received rainfall attenuation data and rainfall intensity data. | 06-07-2012 |
20120163440 | APPARATUS AND METHOD FOR TUNABLE WIDEBAND SOLAR RADIO NOISE MEASUREMENT - An apparatus and method for tunable wideband solar radio noise measurement is provided. Accordingly, it is possible to directly measure the absolute flux of solar radio waves in a desired frequency band using a tunable receiver, and accordingly, to protect radio communication broadcasting systems located on the earth from its damage caused due to radio burst, noise and the like. | 06-28-2012 |
20120166084 | METHOD FOR FAST AND PRECISE ORBIT PROPOGATION INCLUDING MANEUVER - A flight dynamics subsystem (FDS), a velocity increment calculation module, and operational methods of the same are provided. A used fuel quantity actually used in a satellite is calculated, and a velocity increment is calculated using the calculated fuel quantity. Therefore, an orbit of the satellite may be estimated more accurately. | 06-28-2012 |
20120168566 | System for global earth navigation using inclined geosynchronous orbit satellite - A global earth navigation satellite system may be provided. The global earth navigation satellite system may include a group of satellites including at least one inclined geosynchronous satellite disposed in at least one orbital plane distinguished based on an interval determined based on a longitudinal coordinate of the earth, and the at least one inclined geosynchronous satellite may be disposed in the at least one orbital plane at predetermined intervals, and may revolve around the earth at a predetermined inclination of satellite orbit so as to provide, over time, geometric shape change information associated with the earth, geometric shape change information associated with a low earth orbit satellite, and geometric shape change information associated with a geostationary satellite. | 07-05-2012 |
20130019148 | APPARATUS AND METHOD FOR UPDATING ONLINE DOCUMENTAANM LEE; Soo JeonAACI DaejeonAACO KRAAGP LEE; Soo Jeon Daejeon KRAANM LEE; Byoung SunAACI DaejeonAACO KRAAGP LEE; Byoung Sun Daejeon KRAANM KIM; In JunAACI DaejeonAACO KRAAGP KIM; In Jun Daejeon KRAANM JUNG; Won ChanAACI DaejeonAACO KRAAGP JUNG; Won Chan Daejeon KRAANM HWANG; Yoo LaAACI DaejeonAACO KRAAGP HWANG; Yoo La Daejeon KRAANM KIM; Jae HoonAACI DaejeonAACO KRAAGP KIM; Jae Hoon Daejeon KR - Provided are an apparatus and a method that differently sets the access authority of a user for individual parts of an online document. For every parts of the online document, the user authority is set and the parts are edited only by a user that can access the part. Finally, the parts of the documents are combined as the final document. According to the present invention, the document is divided into parts and the access authority of the user is variously set, which results in maximizing the efficiency of editing the document. The editors of the individual parts inherit the authorities to other people, so that it is very efficient for the cooperative job of a document in the organization having a hierarchy. | 01-17-2013 |
20130030568 | ROBOT SYSTEM CONTROL METHOD AND A DEVICE THEREFOR - The present invention discloses a method of controlling a robot system and an apparatus thereof. The method of controlling a robot system in accordance with an embodiment of the present invention can include: initializing the master controller by use of a boot loader equipped in the robot system; executing a runtime by loading a runtime execution code stored in a storage space of the master controller; and loading and executing an application program stored in the storage space of the master controller. With an embodiment of the present invention, it becomes possible to manage the application program more efficiently for realizing the functions of the robot system. | 01-31-2013 |
20130091124 | APPARATUS AND METHOD FOR RETRIEVING DATA AT HIGH SPEED TO PERFORM POST-PROCESSING ON SATELLITE TELEMETRY DATA - A telemetry data retrieval apparatus and method for post-processing are provided. The telemetry data retrieval apparatus may include a retrieval initiating unit to receive an input of a retrieval time, and to calculate a percentage of the retrieval time during an entire retrieval period, a start position calculating unit to calculate a retrieval start position in which data retrieval is started within a stored file, based on the calculated percentage, and a telemetry data retrieval unit to verify a start pattern and a time tag from the calculated retrieval start position, and to retrieve a position of telemetry data in the stored file. | 04-11-2013 |
20130130618 | SYSTEM AND METHOD FOR INTEGRALLY COLLECTING RAINFALL ATTENUATION AND RAINFALL INTENSITY DATA IN SATELLITE SYSTEM - A system and method for observing a wireless frequency in a space between planets is provided. A system for integrally collecting rainfall intensity and rainfall attenuation data may include a remote measuring apparatus to measure an amount of a rainfall attenuation of a satellite signal based on a rainfall intensity at a predetermined point, to generate rainfall intensity and rainfall attenuation data based on the amount of the rainfall attenuation measured, and to transmit the generated rainfall intensity and rainfall attenuation data to a satellite relay, and an integrated center system to collect the generated rainfall intensity and rainfall attenuation data from the satellite relay. | 05-23-2013 |
20130137363 | APPARATUS AND METHOD FOR COMMUNICATION SATELLITE MONITORING - Provided is an apparatus for monitoring a communication satellite, including: a receiver to receive at least one satellite service signal from a satellite repeater; a measurement unit to measure a frequency, a bandwidth, and a magnitude of the at least one satellite service signal; a controller to determine whether a signal transmitting station malfunctions by comparing the at least one satellite service signal with a predetermined reference value based on the measurement result; and a communication unit to inform an operator terminal about a malfunction of the signal transmitting station when the signal transmitting station is determined to malfunction. | 05-30-2013 |
20130138339 | SYSTEM AND METHOD FOR DETECTING ACCIDENT LOCATION - Provided is a system for detecting an accident location, including: a navigation apparatus to extract identification information of a preinstalled apparatus, first distance information between the apparatus and at least one base station, and second distance information between the apparatus and a geostationary satellite, when an impact is applied to the apparatus; and an apparatus control center to compute location information of the navigation apparatus based on the identification information, the first distance information, and the second distance information, wherein the at least one base station receives the first distance information from the navigation apparatus and transmits the first distance information to the apparatus control center, and the geostationary satellite receives the second distance information from the navigation apparatus and transmits the second distance information to the apparatus control center. | 05-30-2013 |
20140087653 | APPARATUS AND METHOD FOR MANAGING SATELLITE SERVICE RESOURCE - An apparatus and method for managing a satellite service resource is provided. The method may include measuring, using a communication system monitoring unit, at least one satellite service signal being received for at least one satellite service, calculating, using a service resource management unit, an optimum frequency and an optimum output power for the at least one satellite service through analysis of a satellite service resource, allocating the calculated frequency and the calculated output power to the at least one satellite service, and transmitting the allocated information to the communication system monitoring unit, and comparing, using the communication system monitoring unit, the measured information to the allocated information, and transmitting a result of the comparison to the service resource management unit. | 03-27-2014 |
20140094113 | APPARATUS AND METHOD OF AUTOMATICALLY MANAGING SATELLITE BROADCASTING SERVICE - An apparatus and a method for automatically managing a satellite broadcasting service are disclosed. The apparatus may include a rain attenuation information collection unit to measure weather information and a satellite broadcast signal and to collect and provide satellite broadcast signal quality information corresponding to rain attenuation, a rain attenuation analysis unit to analyze rain attenuation information collected by region and to verify a rain attenuation level, a satellite broadcast transmission signal plan unit to generate a satellite broadcast signal change plan to change a satellite broadcast transmission signal by region based on the verified rain attenuation level, and a satellite broadcast transmission signal controller to transmit a signal change instruction to a satellite ground station for the satellite broadcast transmission signal to be changed based on the generated satellite broadcast signal change plan. | 04-03-2014 |
20140101669 | APPARATUS AND METHOD FOR PROCESSING TASK - Provided is a task processing apparatus and method that may select a task corresponding to predetermined task selection information when a task execution is completed and thus, an idle server occurs in at least one server, may separate the selected task into a first task and a second task, and may control the first task and the second task to be allocated to an existing allocation server of the selected task and an idle server, respectively. | 04-10-2014 |
20140206384 | WIRELESS POWER CHARGING APPARATUS AND METHOD OF CHARGING THE APPARATUS - A wireless power charging apparatus and method are provided, which recognizes location information of at least one wireless power receiving apparatus; selects at least one of at least one wireless power transmitter that supplies power to the at least one wireless power receiving apparatus based on the location information; and supplies power to the at least one wireless power receiving apparatus through the at least one selected wireless power transmitter. | 07-24-2014 |
20140222255 | APPARATUS AND METHOD FOR MONITORING STATUS OF SATELLITE - Provided is an apparatus and method for monitoring a status of a satellite, including classifying satellite telemetry information and space weather information and storing the information in a storage unit including respective databases, predicting whether a predetermined type of satellite failure occurs based on the space weather information, and generating satellite control command information to change a status of a predetermined satellite configuration when a satellite failure determining index used to determine a possibility of the satellite failure is beyond a predetermined critical alert range. | 08-07-2014 |
20140347215 | MOUNTING DEVICE FOR ANTENNA AND GEODETIC SURVEYING APPARATUS INCLUDING THE SAME - Disclosed herein is a mounting device for an antenna, including: a first supporting part fixed to any geodetic point in a first direction and having a first length; a second supporting part extended from the first supporting part in a second direction and having a second length; a first mounting part extended from a first point of the second supporting part in the first direction and mounted with a first antenna receiving a first satellite navigation signal transmitted from a navigation satellite; and a second mounting part extended from a second point of the second supporting part in the first direction and mounted with a second antenna receiving a second satellite navigation signal transmitted from the navigation satellite. | 11-27-2014 |
20150035702 | GPS JAMMING SIGNAL RECEIVER AND GPS JAMMING SIGNAL RECEIVING METHOD - A global positioning system (GPS) jamming signal receiver and a GPS jamming signal receiving method are provided. The GPS jamming signal receiver may include a sample data generator to generate a sample data signal with respect to a signal received through an GPS antenna; a jamming signal determiner to determine a jamming state of a GPS jamming signal using the sample data signal and a navigation processing result value of the sample data; and a transmission direction angle calculator to determine a phase difference value of the GPS jamming signal according to the determination result and to calculate a transmission direction angle of the GPS jamming signal. | 02-05-2015 |