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Hahm, Seoul
Hee-Hyeok Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20080287131 | Mixed Mobile Communication System of Asynchronous Communication Network and Synchronous Communication Network Having Handover Function of Mobile Communication Terminal, and Handover Method in the Same - In the mobile communication system, asynchronous and synchronous Mobile Switching Centers (MSCs) are interconnected via an Interworking Interoperability Function (HF), and are connected to a Dual stack Home Location Register (D-HLR). The D-HLR stores and manages asynchronous subscription and synchronous subscription information of the mobile communication terminal. The HF stores and manages the synchronous mobile communication system information, receives the synchronous subscription information of the mobile communication terminal from the D-HLR, transmits synchronous system information and the synchronous subscription information of the mobile communication terminal to the synchronous MSC and receives a response from the synchronous MSC, and requests the asynchronous MSC to release a wireless connection when the mobile communication terminal and the synchronous mobile communication system are interconnected and notification of completion of the handover is provided. | 11-20-2008 |
| 20090041213 | System and method for transferring voice messages - Disclosed herein are a system and method for transferring voice messages. The system includes a voice message server. When a voice message and called terminal information are transmitted from a calling terminal, the voice message server stores the voice message, searches for a connection route to the called terminal with reference to the called terminal information, and transmits a reception request signal to the called terminal. Furthermore, when the called terminal responds to the reception request signal, the voice message server reproduces the voice message. Furthermore, when the called terminal does not respond to the reception request signal and the reception request signal is forwarded to a different receiving object, the voice message server checks whether the route of the reception request signal has been changed and interrupts the transmission of the voice message. Accordingly, an additional communication charge may be avoided. | 02-12-2009 |
| 20090129359 | Hand Over Method From Asynchronous Mobile Communication Network to Synchronous Mobile Communication Network - The present invention relates to a method of performing handover from an asynchronous mobile communication network to a synchronous mobile communication network. If the access network of the asynchronous mobile communication network ( | 05-21-2009 |
Hyung Chul Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090208814 | HONEYCOMB-TYPE SOLID OXIDE FUEL CELL AND METHOD FOR MANUFACTURING THE SAME - The present invention relates to a honeycomb type SOFC wherein a first material, density of which is lowered upon phase-transition, a second material having higher thermal expansion coefficient than that of an electrode supporter, or a composite material of the first and second materials is filled in the electrode channel to which the collector is bonded as a material which can form an oxide under the electrode atmosphere, and a manufacturing method thereof. | 08-20-2009 |
| 20100021775 | APPARATUS FOR PORTABLE FUEL CELLS AND OPERATING METHOD THEREOF - Disclosed are an apparatus for portable fuel cell and an operation method thereof, wherein stabilization state after initial operation can be determined using OCV. | 01-28-2010 |
| 20110217614 | DIRECT FORMIC ACID FUEL CELL PERFORMING REAL TIME MEASUREMENT AND CONTROL OF CONCENTRATION OF FORMIC ACID AND OPERATION METHOD THEREOF - Provided are a direct formic acid fuel cell and a method of operation thereof capable of maintaining performance constantly through implementing the real time measurement and control of formic acid concentration. | 09-08-2011 |
Kyoung Woon Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100141605 | FLEXIBLE DISPLAY DEVICE AND DATA DISPLAYING METHOD THEREOF - A flexible display device and a data displaying method thereof are disclosed. The device includes a touch sensor to generate touch events according to touch actions, a flexible sensor to generate a bend signal as one side of the device is bent, a storage unit to store a function table, and a controller to control the components of the device. The function table is configured to define control operations to reproduce currently output contents based on the touch events and the bend events. | 06-10-2010 |
Kyung Hee Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20090314012 | Refrigerator with supercooled beverage dispenser and method for controlling the same - A refrigerator that allows a user to receive supercooled beverage through a dispenser in the refrigerator door. The refrigerator includes a main body having a compartment and a door opening and closing the compartment, a supercooling compartment in the main body to supercool a beverage, and a dispenser in the door to dispense supercooled liquid from the supercooling compartment without opening the door. A supercooled liquid tank is detachably installed in the supercooling compartment to supercool beverage. The supercooling compartment is installed in the rear side of the door such that a supercooling compartment door may be installed in the front side of the door to open and close the supercooling compartment in front of the door. | 12-24-2009 |
| 20100071874 | Food heat-exchange device and refrigerator having the same - Disclosed are a food heat-exchange device capable of rapidly freezing food stored in a refrigerator or thawing frozen food in the refrigerator, and a refrigerator having the same. The refrigerator includes a body in which a storage compartment is defined, and the food heat-exchange device is mounted in the storage compartment, to enable thawing or rapid-freezing of food. The food heat-exchange device includes a heat-exchange plate, which is provided at a surface thereof with a contact portion to come into contact with food and at the other surface thereof with a pin to facilitate heat-exchange. | 03-25-2010 |
Kyung-Soo Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110053834 | NOVEL ANTIBIOTIC PEPTIDE DERIVED FROM RIBOSOMAL PROTEIN L1 OF HELICOBACTER PYLORI AND USE THEREOF - The present invention relates to a new antibiotic peptide and a usage thereof, which are derived from ribosomal protein L1, RPL1 of | 03-03-2011 |
Sang Jin Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20100014666 | Method and Apparatus for Protecting Scalable Video Coding Contents - Disclosed are a method and apparatus capable of reducing the computational complexity of encryption and decryption by encrypting only data of scalable video coding contents for each coding layer in terms of temporal, spatial, and SNR scalabilities to provide a service for protected scalable video coding contents, and capable of protecting contents by generating and distributing an encryption key for encryption and decryption depending on a class of a contents consumer. | 01-21-2010 |
| 20120042333 | Device and Method for Hierarchical Broadcasting - A hierarchical broadcasting device and method are disclosed. In the hierarchical broadcasting method, a broadcast transmitting device may transmit lower layer broadcast data for an existing broadcast to a broadcast receiving device via a first communication network, and may transmit upper layer broadcast data for an improved broadcast to the broadcast receiving device via a second communication network. In this instance, the broadcast receiving device combines the lower layer broadcast data and the upper layer broadcast data in order to display the improved broadcast. | 02-16-2012 |
Yo Han Hahm, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20120103714 | BATTERY PACK HOUSING ASSEMBLY FOR ELECTRIC VEHICLE USING PLASTIC COMPOSITE MATERIAL - The present invention provides a battery pack housing assembly for an electric vehicle, which is formed of a lightweight composite material to reduce the weight and configured to have a dual laminated structure with a closed cross-sectional area formed by composite molding to absorb impact energy. For this purpose, the present invention provides battery pack housing assembly for an electric vehicle using a plastic composite material, the battery pack housing assembly having an upper cover mounted at the bottom of a vehicle body, a lower housing, and a battery pack received and mounted in the lower housing, wherein the lower housing has a dual laminated structure with a closed cross-sectional area formed by bonding an upper plate and a lower plate, each composed of a fiber reinforced plastic composite material, to absorb impact energy, thus increasing structural stiffness. | 05-03-2012 |