| Patent application number | Description | Published |
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| 20090186404 | APPARATUS FOR AMPLIFYING NUCLEIC ACIDS - Provided is a nucleic acid amplifying apparatus having a uniform distribution of reaction temperature in a reaction space. The nucleic acid amplifying apparatus includes a substrate providing a polymerase chain reaction (PCR) space, and a plurality of heating units disposed above or below the reaction space to transfer heat to the reaction space, wherein the heating unit includes a plurality of heating units arranged substantially in parallel with each other, and among the plurality of heating units, the heating units disposed adjacent outermost portions of the reaction space have the largest heat radiation quantity. | 07-23-2009 |
| 20090186777 | BIOCHIP HAVING INCREASED PROBE DENSITY - A biochip can include a substrate having surface features of protrusions or recesses and probes coupled to each of the surface features. A biochip can include a substrate having recess regions and probes coupled to each of the recess regions, wherein a surface of each of the recess regions has convexes and concaves. A biochip can include a substrate having recess regions, immobilization layers conformally formed in the recess regions, and probes coupled onto each of the immobilization layers. The biochip can be divided into probe cell regions to which the probes are coupled, wherein the recess regions are formed in the probe cell regions, and non-probe cell regions, wherein a surface of each of the non-probe cell regions can include an exposed surface of the substrate. | 07-23-2009 |
| 20090204045 | Corrective Device for Ingrown Toenail and Incurvated Toenail - Provided is a corrective device for ingrown toenails and incurvated toenails. The corrective device includes a central member made of a shape-memory alloy; and prefabricated toenail side-engaging parts, each being attached to both ends of the central member. The corrective device of the present invention has advantages such as provision of strong corrective force over the entire toenail, convenient use, suitability for long-term use, straight growth of a toenail that will grow after a surgical treatment of the ingrown toenail, and straightening of a curved toenail. | 08-13-2009 |
| 20090262933 | DIGITAL CONTENT ENCRYPTING APPARATUS AND OPERATING METHOD THEREOF - The invention is directed to a source device and a method for encrypting digital contents at the source device. According to an embodiment, the method includes performing an addition operation by using a first source internal key and an identifier (ID), the first source internal key being associated with the source device, the ID being associated with at least one of a target device and a storage medium of the target device, and the target device being connected to the source device; generating a source encryption key based on an output of the addition operation and a second source internal key by using a predetermined encryption algorithm, the second source internal key being associated with the source device; encrypting the digital content using the source encryption key; and transmitting the encrypted digital content without the source encryption key to the target device. | 10-22-2009 |
| 20090262934 | DIGITAL CONTENT ENCRYPTING APPARATUS AND OPERATING METHOD THEREOF - The invention is directed to a source device and a method for encrypting digital content at the source device. According to an embodiment, the method includes authenticating a target device connected to the source device using an identifier (ID) associated with at least one of the target device and a storage medium of the target device; performing an addition operation by using a source internal key and the ID, the source internal key being associated with the source device; generating a source encryption key based on an output of the addition operation; encrypting the digital content using the source encryption key; and transmitting the encrypted digital content without the source encryption key to the target device. | 10-22-2009 |
| 20090262935 | DIGITAL CONTENT ENCRYPTING APPARATUS AND OPERATING METHOD THEREOF - The invention is directed to a source device and a method for encrypting digital contents at the source device. According to an embodiment, the method includes performing a first addition operation by using a first source internal key and an identifier (ID), the first source internal key being associated with the source device, the ID being associated with at least one of a target device and a storage medium of the target device, and the target device being connected to the source device; generating a source encryption key based on an output of the first addition operation and a second source internal key by using a predetermined encryption algorithm, wherein the second source internal key is associated with the source device; encrypting the digital content using the source encryption key; and transmitting the encrypted digital content without the source encryption key to the target device. | 10-22-2009 |
| 20090262936 | DIGITAL CONTENT ENCRYPTING APPARATUS AND OPERATING METHOD THEREOF - The invention is directed to a source device and a method for encrypting digital contents at the source device. According to an embodiment, the method includes receiving digital content from an external device, the digital content being encrypted using a first encryption algorithm in the external device; decrypting the received digital content; performing an addition operation by using a first source internal key and an identifier (ID), the ID being associated with at least one of a target device and a storage medium of the target device; generating a source encryption key based on an output of the addition operation and a second source internal key by using a second encryption algorithm; re-encrypting the decrypted digital content using the source encryption key; and transmitting the re-encrypted digital content without the source encryption key to the target device. | 10-22-2009 |
| 20090274296 | DIGITAL CONTENT DECRYPTING APPARATUS AND OPERATING METHOD THEREOF - A device and method for decrypting digital contents are discussed. According to an embodiment, a method for decrypting digital content at a target device, includes receiving the digital content without a source encryption key from a source device connected to the target device, the digital content having been encrypted with the source encryption key in the source device; performing an addition operation by using a first target internal key and an identifier (ID), the first target internal key being associated with the target device, and the ID being associated with at least one of the target device and a storage medium of the target device; generating a target encryption key based on an output of the addition operation and a second target internal key by using a predetermined encryption algorithm, the second target internal key being associated with the target device; and decrypting the encrypted digital content using the target encryption key. | 11-05-2009 |
| 20090274297 | DIGITAL CONTENT DECRYPTING APPARATUS AND OPERATING METHOD THEREOF - A device and method for decrypting re-encrypted digital contents are discussed. According to an embodiment, the method includes receiving the re-encrypted digital content without a source encryption key from a source device connected to the target device, wherein the re-encrypted digital content is generated at the source device by: 1) decrypting an encrypted digital content which is previously encrypted in an external device, and 2) re-encrypting the decrypted digital content with the source encryption key; performing an addition operation by using a first target internal key and an identifier (ID); generating a target encryption key based on an output of the addition operation and a second target internal key by using a predetermined encryption algorithm, the second target internal key being associated with the target device; and decrypting the re-encrypted digital content using the target encryption key. | 11-05-2009 |
| 20090276627 | DIGITAL CONTENT DECRYPTING APPARATUS AND OPERATING METHOD THEREOF - A device and method for decrypting digital contents are discussed. According to an embodiment, a method for decrypting digital content at a target device, includes receiving the digital content without a source encryption key from a source device connected to the target device, the digital content having been encrypted with the source encryption key in the source device, wherein the source device is configured to perform an authenticating operation with the target device by using an identifier (ID) associated with at least one of the target device and a storage medium of the target device; performing an addition operation by using a target internal key and the ID, the target internal key being associated with the target device; generating a target encryption key based on an output of the addition operation; and decrypting the encrypted digital content by using the target encryption key. | 11-05-2009 |
| 20090276628 | DIGITAL CONTENT DECRYPTING APPARATUS AND OPERATING METHOD THEREOF - A device and method for decrypting digital contents are discussed. According to an embodiment, a method for decrypting digital content at a target device, includes receiving the digital content without a source encryption key from a source device connected to the target device, the digital content having been encrypted with the source encryption key in the source device, wherein the source device is configured to perform an authenticating operation with the target device by using an identifier (ID) associated with at least one of the target device and a storage medium of the target device; performing a first addition operation by using a first target internal key and the ID; generating a target encryption key based on an output of the first addition operation and a second target internal key by using a predetermined encryption algorithm; and decrypting the encrypted digital content using the target encryption key. | 11-05-2009 |
| 20100262838 | DIGITAL DATA FILE ENCRYPTION APPARATUS AND METHOD - According to an embodiment, the invention provides a method for decrypting content, the comprising: receiving the content without a source encryption key from a source device connected to the electric reproducing device, the content having been encrypted with the source encryption key in the source device; performing a first addition operation by using a first device internal key and an ID, the first device internal key being associated with the electric reproducing device; generating a device encryption key based on an output of the first addition operation and a second device internal key by using a predetermined encryption algorithm, wherein the second device internal key is associated with the electric reproducing device; decrypting the content using the device encryption key; decoding the decrypted content; and outputting the decoded content. | 10-14-2010 |
| 20110094591 | MICROFLUIDIC DEVICE INITIALIZATION METHOD, MICROFLUIDIC DEVICE INITIALIZATION APPARATUS AND MICROFLUIDIC DEVICE PACKAGE - In a method for initialization of a microfluidic device including a first substrate including a microfluidic channel disposed therein, a valve seat disposed in a microfluidic channel and protruding from the first substrate, and a second substrate disposed opposite to the first substrate and including a space formed therein and corresponding to the valve seat, and a polymer film disposed between the first and second substrates, the method includes separating the polymer film from a surface of the valve seat by applying a positive pressure into the microfluidic channel of the first substrate and applying a negative pressure into the space of the second substrate. | 04-28-2011 |
| 20110096331 | METHOD AND APPARATUS FOR CONTROLLING QUALITY OF A MICROFLUIDIC DEVICE - A method for determining the quality of a microfluidic device, the method including placing a microfluidic device including a valve on a stage; radiating light on the valve of the microfluidic device; detecting light reflected from the valve using a photodetector; opening the valve of the microfluidic device; and comparing a change of the light reflected from the valve when the valve is opened with previously-stored reference data to evaluate a quality of the microfluidic device, wherein the valve of the microfluidic device includes a valve seat, which protrudes into a microfluidic path, and a polymer film, which opens and closes the valve. | 04-28-2011 |
| 20110103174 | MICROFLUIDIC DEVICE COMPRISING GAS PROVIDING UNIT, AND METHODS OF MIXING LIQUIDS AND FORMING EMULSION USING THE SAME - A microfluidic device including a reaction chamber, a first gas providing unit and a liquid providing unit. The reaction chamber includes an inlet through which gas or liquid flows into the reaction chamber. The first gas providing unit and a liquid providing unit are connected to the inlet of the reaction chamber in a fluid communicable manner. | 05-05-2011 |
| 20110150702 | MICROFLUIDIC DEVICE AND METHOD OF MANUFACTURING THE SAME - A microfluidic device includes a first substrate including a micro-flow path, and a valve seat protruding into the micro-flow path, a second substrate, coupled to the first substrate, and including a cavity corresponding to the valve seat, a first parylene layer disposed on an inner surface of the first substrate, and a valve gate film provided between the first substrate and the second substrate, such that the valve gate film opens and closes the micro-flow path with air pressure applied between the valve seat and the cavity, the valve gate film having a hydrophilic surface. A portion of the first parylene layer, which is disposed on a lower surface of the valve seat and contacting the valve gate film, has a hydrophobic surface. | 06-23-2011 |
