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Do-Won
Do-Won Hong, Daejeon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20100161615 | INDEX ANAYSIS APPARATUS AND METHOD AND INDEX SEARCH APPARATUS AND METHOD - Provided are an index analysis apparatus and method, and an index search apparatus and method. The index analysis apparatus extracts indexes from digital data, which is included in a disk image of a virtual drive, by using pattern matching, and the index search apparatus receives the extracted indexes and searches the digital data, which includes the received indexes, using a keyword keyed in by a user. Accordingly, the accuracy of digital forensic analysis can be increased, and digital forensic search can be sped up. | 06-24-2010 |
| 20100161957 | METHODS OF STORING AND RETRIEVING DATA IN/FROM EXTERNAL SERVER - Provided are methods of storing and searching for data in encrypted form. The method of storing data in encrypted form includes: encrypting desired data from among data stored in a database; dividing an entire region of the stored data into a plurality of bucket regions and allocating an index to each of the bucket regions; identifying order information in a bucket region to which the encrypted data belongs; and storing the encrypted data, index information of the bucket region to which the encrypted data belongs, and the identified order information in an external server. When a database containing important data of at least one user is stored in an external server using the above storing method, the security and efficiency of the database can be increased. | 06-24-2010 |
Do-Won Jeong, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110058051 | MOBILE TERMINAL HAVING PHOTOGRAPHING CONTROL FUNCTION AND PHOTOGRAPHING CONTROL SYSTEM - In a mobile terminal having a photographing control function based on an image recognition technique and a photographing control system employing an image recognition technique, a specific action is detected from a user image taken by one camera, and the operation of another camera or the processing of an image taken by the camera is controlled when the specific action has been detected, thereby controlling photographing without direct physical manipulation of a user. | 03-10-2011 |
| 20110069215 | APPARATUS AND METHOD FOR CONTROLLING PICTURE USING IMAGE RECOGNITION - A picture control apparatus provides control of a picture displayed on a display of a mobile terminal according to an action detected through image recognition. A picture control method includes detecting an action from images captured by a camera, and controlling a picture displayed on a display if the detected action is a specific action. | 03-24-2011 |
Do-Won Kim, Seoul KR
| Patent application number | Description | Published |
|---|---|---|
| 20110210897 | ANTENNA DEVICE FOR A PORTABLE TERMINAL - An antenna device for a portable terminal includes: a ground pattern provided on one surface of a circuit board; a first antenna pattern configured to resonate at a first frequency band and provided on an opposite surface of the circuit board; and a second antenna pattern configured to resonate at a second frequency band different from the first frequency band and arranged along a periphery of the ground pattern. The second antenna pattern is a zeroth order mode resonator including a plurality of capacitors and a plurality of inductors. The antenna device easily secures the operation characteristics of different operation frequency bands and contributes to miniaturization of the portable terminal. Thus, a user can conveniently carry and use the portable terminal. | 09-01-2011 |
Do-Won Kim, Hwaseong-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110226727 | ETCHANT FOR METAL WIRING AND METHOD FOR MANUFACTURING METAL WIRING USING THE SAME - Exemplary embodiments of the present invention provide a metal wiring etchant. A metal wiring etchant according to an exemplary embodiment of the present invention includes ammonium persulfate, an organic acid, an ammonium salt, a fluorine-containing compound, a glycol-based compound, and an azole-based compound. | 09-22-2011 |
Do-Won Kim, Suwon-Si KR
| Patent application number | Description | Published |
|---|---|---|
| 20110241624 | HYSTERESIS SWITCH AND ELECTRICITY CHARGING MODULE USING THE SAME - An electricity charging module using a hysteresis switch includes a storage capacitor that preliminarily stores electrical energy supplied from an external power source, a charging unit for preventing over-charging or over-discharging through monitoring of the charging state of the rechargeable battery, and a hysteresis switch that has a larger turn-on voltage level than the turn-off voltage level, and located between the storage capacitor and the charging unit, thereby electrically connecting or disconnecting the storage capacitor with the charging unit. The hysteresis switch includes a first voltage dividing resistor pair that divides the voltage of an external power source by the resistance ratio of the first voltage dividing resistor pair, a second voltage dividing resistor pair whose one end is connected to a positive electrode terminal of the external power source, a first switching device whose control terminal is connected to the junction of the voltage dividing resistors of the second voltage dividing resistor pair, a second switching device whose control terminal is connected to the junction of the voltage dividing resistors of the first voltage dividing resistor pair, and a resistor that is connected to the junction between the first electrode terminal of the second switching device and the junction of the voltage dividing resistors of the first voltage dividing resistor pair. | 10-06-2011 |