Patent application number | Description | Published |
20090156221 | Handover method and apparatus in mobile network - A method and an apparatus for performing handover in a mobile communication network are provided. The method of performing handover in a mobile communication network includes: obtaining a service providing time period and a utility function on a candidate network basis; obtaining a selection function of each of the candidate networks using the utility function and the service providing time period; and selecting a network for handover among the plurality of mobile networks using the selection function. Therefore, in consideration of user satisfaction and a network service quality, utility functions are defined and by selecting a network for handover using the utility functions, a network suitable for a user environment can be effectively selected and thus it is possible to perform handover that has a performance and a cost suitable for user request and that can maximize a quality of a mobile service. | 06-18-2009 |
20100041404 | HANDOVER METHOD AND APPARATUS BASED ON HISTORY INFORMATION IN WIRELESS NETWORKS - A handover method in a plurality of wireless networks includes selecting one or more candidate networks from the plurality of wireless networks available to a mobile terminal of a user; calculating the latest connection time with a serving network currently serving the mobile terminal; deriving a history utility function based on the latest connection time; deriving system utility functions of the candidate networks in consideration of user and system environments; deriving selection functions for the candidate networks using the history utility function and the system utility functions; and selecting one of the candidate networks as a target network for handover using the selection functions. A target network for handover is selected using not only a system utility function reflecting user and system parameters but also a history utility function reflecting history information, thereby reducing the number of handovers and enhancing service quality. | 02-18-2010 |
20100201028 | Fabrication method of products with closed channels by injection molding - Disclosed is a fabrication method of products with closed channels by injection molding, which includes: a channel substrate mounting step of mounting a channel substrate comprising a plurality of opened micro-channels thereon to a mold; and a substrate cover molding step of molding a substrate cover by the injection molding on an upper surface of the channel substrate mounted to the mold, the substrate cover being coupled to the channel substrate while being molded. With this, the products with the closed channels can be fabricated without any additional coupling process between the channel substrate having the opened channels and the substrate cover, thereby simplifying a fabrication process and enhancing work efficiency. | 08-12-2010 |
20110017935 | THERMOELECTRIC CONVERSION MATERIAL AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME - Disclosed is a new thermoelectric conversion material represented by the chemical formula 1: Bi | 01-27-2011 |
20120211045 | THERMOELECTRIC CONVERSION MATERIAL AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME - Disclosed is a new thermoelectric conversion material represented by the chemical formula 1: Bi | 08-23-2012 |
20130001481 | Compound Semiconductors and Their Application - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-03-2013 |
20130009106 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009107 | NEW COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009108 | NEW COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009112 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009113 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009114 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009115 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009116 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130009117 | NEW COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-10-2013 |
20130015412 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-17-2013 |
20130015413 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 01-17-2013 |
20130069019 | COMPOUND SEMICONDUCTORS AND THEIR APPLICATION - Disclosed are new compound semiconductors which may be used for solar cells or as thermoelectric materials, and their application. The compound semiconductor may be represented by a chemical formula: In | 03-21-2013 |
20130238752 | APPARATUS AND METHOD FOR MANAGING CONTENT FOR CLOUD COMPUTING - A cloud service system includes at least one user device, a plurality of clouds for providing different cloud services, and a gateway connected between the user device and the clouds. The gateway selects at least one of the clouds according to predefined Service Level Agreement (SLA) information, and stores content provided from the user device to the selected cloud. | 09-12-2013 |
20130246616 | APPARATUS AND METHOD FOR DETERMINING SOURCE DEVICE IN CONTENTS SHARING SYSTEM - A method for determining a source and a transmission path to provide content includes receiving a message comprising at least one of channel information of a link between a request device which requests content download and a central management device, available resource amount information of a candidate device, channel information of a link between the candidate device and the central management device, and channel information of a link between the request device and one candidate device. The method also includes determining a source device and the transmission path for providing the content to the request device using an available resource amount of the candidate device, a data rate of the link between the request device and the central management device, a data rate of the link between the request device and the candidate device, and a data rate of the link between the candidate device and the central management device. | 09-19-2013 |
20130247223 | APPARATUS AND METHOD FOR ENSURING PRIVACY IN CONTENTS SHARING SYSTEM - A privacy protection policy is present in a content sharing system. A method for managing contents in a content sharing system includes receiving a content download request from a first account through a first device; and determining whether to carry out the download by considering at least one of a sharing range of a download-requested content, a content access right of the first account, a content access right of an owner account of the first device, a sharing range of a download folder, and sharing acceptance or rejection of an owner of the content. | 09-19-2013 |
20140000671 | THERMOELECTRIC CONVERSION MATERIAL AND ITS MANUFACTURING METHOD, AND THERMOELECTRIC CONVERSION DEVICE USING THE SAME | 01-02-2014 |
20140106221 | SILICON OXIDE FOR ANODE ACTIVE MATERIAL OF SECONDARY BATTERY - Provided is silicon oxide for an anode active material of a secondary battery. More particularly, the present invention provides silicon oxide included in an anode active material of a secondary battery, wherein a ratio of a maximum height (h | 04-17-2014 |
20140313972 | APPARATUS FOR PARTITIONING COMPRESSED SATELLITE IMAGE AND THE METHOD THEREOF - Disclosed an apparatus and method of partitioning compressed satellite image, and more specifically, the present invention relates to a technique for forming index information on the compressed satellite image using the starting point and the length of a compressed section so as to randomly access each compressed section in the wavelet-based compressed satellite image recommended through CCSDS. The present invention minimizes costs for long-term storage of the satellite image data by immediately indexing, partitioning, and storing the compressed satellite data in a storage without recovering the compressed satellite data, rapidly provides high-quality satellite images for users by minimizing information loss while recovering the compressed image, and thereby being effective for being able to reduce computing resources needed to recover the compressed image data. | 10-23-2014 |
20140322611 | ANODE ACTIVE MATERIAL HAVING HIGH CAPACITY FOR LITHIUM SECONDARY BATTERY, PREPARATION THEREOF AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - The anode active material of the present invention comprises an amorphous SiO | 10-30-2014 |