Patent application number | Description | Published |
20090276525 | METHOD AND APPARATUS FOR INTEGRATING HETEROGENEOUS SENSOR DATA IN UBIQUITOUS SENSOR NETWORK - Provided is an apparatus and method for integrating heterogeneous sensor data in a ubiquitous sensor network. The method includes steps of receiving an integrated query for heterogeneous sensor networks from a sensor network management system, disintegrating the received integrated query to be suitable for each sensor network and transmitting the disintegrated queries to each corresponding sensor network. The method further includes steps of generating responses as integrated sensor data and storing the integrated sensor data into an integrated database, when receiving responses to respective queries from each of the sensor networks, and converting the integrated sensor data stored in the integrated database into a preset data format and transmitting the converted sensor data to the sensor network management system. | 11-05-2009 |
20100141406 | METHOD FOR GROUPING SENSOR NODES IN HETEROGENEOUS WIRELESS SENSOR NETWORKS - A method for grouping sensor nodes in heterogeneous wireless sensor networks has a sensor network management system. The method includes: receiving a group forming code from the sensor network management system at the respective sensor nodes, wherein the group forming code have sensor conditions and selecting group information from the group forming code in accordance with the conditions at the respective sensor nodes. The method further includes transmitting the selected group information IDs to the sink node. | 06-10-2010 |
20100245076 | SYSTEM AND METHOD FOR TRACKING POSITION OF MOVING OBJECT - The present invention relates to a system and method for tracking the position of a moving object. A system for tracking the position of a moving object includes: WSNs composed of a plurality of sensor nodes, each generating connection release information representing that the connection between the corresponding WSN and a moving object having a moving node serving as a sensor node attached thereto has released if having perceived the departure of the moving object; base stations managing the plurality of WSNs and collecting position information on the plurality of sensor nodes; a node information database storing the position information on the plurality of sensor nodes collected by the plurality of base stations; middleware checking the current position information on the moving object stored in the node information database if receiving the connection release information through any of the plurality of base stations, and deleting the current position information on the moving object stored in the node information database if the checked current position of the moving object is in a WSN having perceived the departure of the moving object; and a moving-object tracking application provided with the position information on the moving object by the middleware to track the position of the moving object. According to the present invention, it is possible to efficiently process information of a WSN managed by each base station in middleware managing a plurality of base stations, thereby improving the accuracy in tracking the position of a moving object. | 09-30-2010 |
20110130849 | SENSOR ACTUATOR NODE AND METHOD FOR HANDLING CIRCUMSTANTIAL CHANGES IN SENSOR ACTUATOR NETWORK USING SAME - A sensor actuator node includes a sensor unit for generating sensing information on circumstantial changes; a communications unit; a countermeasure information generation unit for generating countermeasure information to the circumstantial changes; and a drive unit for driving one or more actuators. When the sensor actuator node acts as a host node, the sensing information becomes main sensing information, the countermeasure information generation unit generates the countermeasure information based on the main sensing information and selectively transmits the countermeasure information to the adjacent sensor actuator nodes via the communications unit, and the drive unit drives the actuator based on the countermeasure information. When the sensor actuator node acts as a non-host node, the sensing information becomes auxiliary sensing information, and the drive unit drives the actuator based on the countermeasure information selectively transmitted thereto by the host node. | 06-02-2011 |
20110153107 | APPARATUS AND METHOD FOR SMART ENERGY MANAGEMENT BY CONTROLLING POWER CONSUMPTION - Disclosed are an apparatus and a method for smart energy management by controlling power consumption. Power consumption information is collected from one or more electrical device groups with a smart meter and electrical devices connected through gateways. When the method estimates that the power consumption will be larger than a threshold value, a control command is outputted to a load controller connected through the gateway and power consumption of electrical devices that belong to the electrical device using group is remotely controlled. According to an embodiment of the present invention, an energy company that produces and supplies energy can supply energy depending on a consumer's demand by using current facilities because the present invention can collect remotely energy consumption, analyze energy consumption patterns, and control automatically the energy consumption of electrical devices installed in a customer's area. The consumer who consumes energy can save the energy consumption and the charge of the energy consumption. | 06-23-2011 |
20110235329 | Lamp Using LED - Provided is a lamp using LED which has a heat sink and an air-flowing part formed in a body and is equipped with a heat pipe to make higher a heat-conductive efficiency and thereby to make higher a heat-generation performance considerably so that the light emitting diode can be applied to a high-output illumination device to increase a life-time. | 09-29-2011 |
20120014099 | Lamp - Provided is a lighting system having a printed circuit board on which a plurality of light emitting diodes are arranged; a base holding the printed circuit board; a heat sink provided on a lateral side of the base in a horizontal direction of the printed circuit board; a heat pipe which connects the base with the heat sink; and a rotating unit provided in at least end portion of one end portions and the other end portions of the base or the heat sink, to easily control the illuminating angle and the illuminating range and therefore to improve the energy efficiency, and to improve the heat-radiating property since the heat sink is provided in the lateral side of the substrate of heat-generating member. | 01-19-2012 |
20120134177 | LIGHT GUIDE PLATE FOR SURFACE LIGHT SOURCE DEVICE AND BACKLIGHT UNIT USING THE SAME - A light guide plate for a surface light source device is provided, which includes an incident surface configured to have light from lamps disposed along a predetermined axis, be incident thereon, an emitting surface configured to have the incident light emitted therefrom, a back surface configured to face the emitting surface, and a plurality of unit cells configured to have microprism patterns engraved thereon and distributed and arranged on the back surface. A crossing angle of a microprism arrangement axis, formed by a ridge direction of the microprism patterns, and of an arrangement axis of the lamps is disposed in an alternate angle. The light guide plate has a high front brightness and an excellent uniformity in brightness and does not have a moire phenomenon. In a backlight unit, the use of optical sheets stacked on the light guide plate can be reduced. | 05-31-2012 |
20130285835 | METHOD AND APPARATUS FOR DATA MANAGEMENT IN ADVANCED METERING INFRASTRUCTURE NETWORK - A method for transmitting, storing and managing data by compressing data packets to be transmitted and received over an advanced metering infrastructure (AMI) network with low-capacity memory and low-transfer rate. A number of transmission packets may be reduced using at least one of a bitmap interval algorithm that assigns a bitmap value to each interval, thereby reducing a number of request packets, a repeated-bitmap interval algorithm that represents sequential data values as bitmap values by toggling a bit value between 0 and 1 in each data value when a change occurs in the sequential data values, and a run-length encoding algorithm that compresses data by encoding run length of sequential identical data. | 10-31-2013 |
20130304423 | HIGH ENERGY EFFICIENCY SENSOR NODE AND OPERATING METHOD THEREOF - A high energy efficiency sensor node and an operating method thereof are provided. The high energy efficiency sensor node may include a sensing unit to generate sensed information and to store the sensed information in a database when a set period commences, and a control unit to obtain n pieces of sensed information corresponding to n periods from the database, and to transmit the n pieces of sensed information obtained to a first neighbor node when the n periods elapse. | 11-14-2013 |
20130311558 | PROFILE-BASED WIRELESS SENSOR NETWORK SYSTEM AND COMMUNICATION METHOD - In a sensor network system including at least one sensor node and at least one actuator node, a group is formed based on attribute of each node. Sensing data is shared among the nodes in the group, and each node performs autonomous processing to process an event by comparing the sensing data with a preset event threshold value. | 11-21-2013 |
20130320864 | METHOD OF CONTROLLING LIGHTS AND SYSTEM FOR MANAGING LIGHTS USING THE SAME - In a light-installed area where a plurality of lights are installed, a light managing system senses a moving object that enters the light-installed area and predicts an predicted stop position of the moving object based on record information on a channel of movement corresponding to identification information on the moving object. The light managing system calculates a predicted channel of movement of the moving object based on the predicted stop position, and selects lights to be driven based on the calculated predicted channel of movement. The light managing system turns on the selected lights. | 12-05-2013 |
20140142173 | PHARMACEUTICAL COMPOSITION FOR THE PREVENTION OR TREATMENT OF A NEURODEGENERATIVE DISEASE, COMPRISING A DAPHNE GENKWA EXTRACT OR A COMPOUND ISOLATED THEREFROM - The present invention relates to: a pharmaceutical composition or a Nurr1 activating composition for the prevention or treatment of a neurodegenerative disease or a disease induced by impaired Nurr1 function, wherein the composition comprises an active ingredient in the form of genkwanin N or yuanhuacine, a | 05-22-2014 |
20140218942 | COOLING STRUCTURE FOR LED LIGHTING DEVICE AND LIGHT EMITTING MODULE HAVING THE SAME - Provided are a cooling structure for an LED lighting device and a light emitting module having the same. The cooling structure for an LED lighting device according to the present invention has a structure in which an LED module is disposed in a tray-shaped heat sink coupled with a lower portion of a lighting box having an LED module disposed therein to block the lower portion of the lighting box and perforated with a ventilation hole to make external air flow therein, thereby discharging heat generated from the LED module through the heat sink. Therefore, the cooling structure for an LED lighting device can have excellent cooling efficiency and can be implemented as an LED lighting device by minimizing the replacement of components of the existing metal lamp lighting device. | 08-07-2014 |
20140370132 | COMPOSITION CONTAIING JETBEAD EXTRACTS - The present invention relates to a pharmaceutical composition for preventing or treating Parkinson's disease, which comprises, as an active ingredient, a | 12-18-2014 |