Patent application number | Description | Published |
20120037858 | ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY - Disclosed is an anode active material including: a crystalline phase comprising Si and a Si-metal alloy; and an amorphous phase comprising Si and a Si-metal alloy, wherein the metal of the Si-metal alloy of the crystalline phase is the same as or different from the metal of the Si-metal alloy of the amorphous phase. | 02-16-2012 |
20130130105 | NOVEL ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an electrode active material for lithium secondary batteries, comprising at least one selected from compounds represented by the following formula 1, and a lithium secondary battery comprising the same. | 05-23-2013 |
20130143126 | CATHODE CURRENT COLLECTOR COATED WITH PRIMER AND MAGNESIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed is a current collector prepared by coating a primer on a metallic base and a magnesium secondary battery including the same. The primer includes a conductive material and a polymer material and enhances adhesive strength between a cathode current collector and an active material, thereby maintaining stability in an operating voltage range of the battery without increasing internal resistance. | 06-06-2013 |
20130196236 | ELECTRODE FOR MAGNESIUM SECONDARY BATTERY AND MAGNESIUM SECONDARY BATTERY INCLUDING THE SAME - Disclosed is an electrode for a magnesium secondary battery. The electrode includes a current collector and a magnesium plating layer formed on the surface of the current collector. The electrode is simple to produce and is inexpensive. In addition, the electrode is in the form of a thin film. Therefore, the electrode is useful for the fabrication of a magnesium secondary battery with high energy density. Further disclosed is a magnesium secondary battery including the electrode. | 08-01-2013 |
20130234073 | ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY - Disclosed is an anode active material including: a crystalline phase comprising Si and a Si-metal alloy; and an amorphous phase comprising Si and a Si-metal alloy, wherein the metal of the Si-metal alloy of the crystalline phase is the same as or different from the metal of the Si-metal alloy of the amorphous phase. | 09-12-2013 |
20150280233 | NOVEL ELECTRODE ACTIVE MATERIAL AND LITHIUM SECONDARY BATTERY COMPRISING THE SAME - Disclosed are an electrode active material for lithium secondary batteries, comprising at least one selected from compounds represented by the following formula 1, and a lithium secondary battery comprising the same. | 10-01-2015 |
Patent application number | Description | Published |
20120315046 | PASSIVE OPTICAL NETWORK (PON)-BASED SYSTEM AND METHOD FOR PROVIDING HANDOVER AMONG OPTICAL NETWORK TERMINALS (ONTS) - A Passive Optical Network (PON)-based system and method for providing handover between Optical Network Terminals (ONTs) are provided. The PON-based system may include an Optical Line Terminal (OLT), and an ONT to relay communication between the OLT and a mobile terminal. When the mobile terminal is connected to the ONT, the ONT may transmit a WiFi location update alarm message to the OLT, and the OLT may update a Look-Up Table (LUT) in response to the WiFi location update alarm message. | 12-13-2012 |
20130011017 | METHOD OF OBTAINING SPATIAL IMAGES ON DEMAND - Provided is a method of obtaining spatial images on demand. The server segments a spatial image into a plurality of regions to detect an isolated region whose continuity with peripheral regions is less than a threshold value, generates geographic information corresponding to the detected isolated region, and generates a capture request message including the generated geographic information. In addition, the capture request message may be transmitted to at least one terminal using unicast scheme, a multicast scheme, an anycast scheme, or a broadcast scheme. The capture request message may comprise a capture condition value such as a capture direction, a capture angle, a capture time, a zoom information and an exposure value. At least one terminal which meets the capture condition value within the capture request message transmits a captured image to the server. | 01-10-2013 |
20130027760 | OPTICAL PROBE USING SENSOR AND METHOD FOR CONTROLLING THE SAME - Disclosed are an optical probe using a sensor and a method for controlling the same. The optical probe includes: an optical converter to change a light path of light generated from a light source; a vibrator to convert an electrical signal into a mechanical motion; a transmission member to transmit the motion of the vibrator to the optical converter; a position sensor to sense the position of the optical converter; and a controller to adjust the position of the optical converter by controlling the vibrator based on the position sensed by the position sensor. | 01-31-2013 |
20130033573 | OPTICAL PHASE EXTRACTION SYSTEM HAVING PHASE COMPENSATIONFUNCTION OF CLOSED LOOP TYPE AND THREE-DIMENSIONAL IMAGEEXTRACTION METHOD THEREOF - Provided is an image extraction method of optical phase extraction system. The image extraction method may include checking whether a phase error due to an environmental disturbance of optical fiber occurs by monitoring an output signal obtained by interfering reflection optical signals reflected through two paths. When a phase error occurs, an error is compensated using a phase compensation control method of closed loop type through one of the two paths and an image is extracted by capturing an image of object in a state that the image of object is shifted by the set phase value when a phase error is compensated. According to the inventive concept, a phase error occurring in an optical fiber type interferometer due to an environmental disturbance is minimized or compensated. Also, since an interference image accurately shifted by the phase value set among arbitrary various phase values is obtained through a camera, reliability of three-dimensional phase information being extracted is guaranteed. | 02-07-2013 |
20130073261 | SENSOR SIGNAL PROCESSING APPARATUS AND SENSOR SIGNAL DISTRIBUTED PROCESSING SYSTEM INCLUDING THE SAME - There are provided a sensor data processing apparatus, and a sensor data distributed processing system including the same. The sensor data distributed processing system includes: a plurality of sensors; one or more sensor data processing apparatuses each configured to compress a sensor signal received from at least one of a plurality of sensors, to create a compressed sensor signal, to adjust the sensor signal based on a reliability of the sensor signal, to analyze the adjusted sensor signal to provide analysis data, to synchronize the compressed sensor signal with the analysis data, to transmit the synchronized sensor data, and to provide management data to a corresponding sensor; and a sensor data management apparatus configured to monitor synchronized sensor data received from each sensor data processing apparatus, and to provide management data to the sensor data processing apparatus. | 03-21-2013 |
20130084633 | PETRI DISHES - Provided is a Petri dish, which improves or maximizes productivity. The Petri dish includes a dish including a bottom and a side wall, and accommodating a culture solution, and a cover covering an upper portion of the dish. The bottom of the dish includes a support region having a first thickness, and a measurement region having a second thickness smaller than the first thickness. | 04-04-2013 |
20130091250 | INTERMEDIATE NODE APPARATUS FOR CONFIGURING SENSOR NETWORK AND SENSOR DATA PROCESSING METHOD USING INTERMEDIATE NODE APPARATUS - Disclosed is an intermediate node apparatus for configuring a sensor network and a sensor data processing method using the intermediate node apparatus. The intermediate node apparatus may deliver sensor data measured by a sensor node apparatus to a neighboring node apparatus and may store the sensor data in a database. | 04-11-2013 |
20130108262 | MULTI-CHANNEL OPTICAL MODULE | 05-02-2013 |
20130124736 | APPARATUS AND METHOD FOR SETTING AUTO CONNECTION OF SENSOR NODE BASED ON SENSOR DATA - Provided is an apparatus and method for setting a sensor node to be automatically connected. An apparatus for setting a connection of a sensor node may include: a data receiver to receive, from the sensor node, sensor data that is measured by the sensor node; a node type determining unit to determine a type of the sensor node based on the received sensor data; and a sensor node setting unit to set the sensor node to be automatically connected based on the determined type of the sensor node. | 05-16-2013 |
20130218816 | APPARATUS AND METHOD FOR PROCESSING SENSOR DATA IN SENSOR NETWORK - In a sensor network, a sensor data processing apparatus generates a feature vector identifier table by classifying feature vector identifiers of a plurality of situation information determination reference data to be a reference of situation determination according to a sensor type index and a feature vector identifier set index of the plurality of situation information reference data. When the sensor data processing apparatus receives sensor data, the sensor data processing apparatus generates a feature vector identifier of the sensor data and extracts a sensor type index and a feature vector identifier set index of a feature vector identifier most similar to the feature vector identifier of sensor data with reference to a feature vector identifier table, and generates situation recognition information using the extracted sensor type index and feature vector identifier set index. | 08-22-2013 |
20140059531 | METHOD AND APPARATUS FOR UPDATING TERMINAL SOFTWARE - Disclosed are a method and apparatus for updating a terminal software version. The method includes providing software update start information including window size information and software image storage space information to a plurality of terminals, receiving first response information in accordance with provision of the software update start information from the plurality of terminals, and providing software update information in accordance with the window size information to the plurality of terminals in units of sections. | 02-27-2014 |
20140059629 | TWO-WAY BROADCAST SERVICE PROVIDING SYSTEM AND METHOD INCLUDING MEDIA TRANSMISSION APPARATUS - Two-way broadcast service providing system and method including a media transmission apparatus are provided. The media transmission apparatus includes a data communication interface that receives participant media from at least one participant terminal via a communication network, a media conversion unit that converts the participant media received through the data communication interface in accordance with a broadcast media standard, and a broadcast interface that transmits the participant media converted through the media conversion unit to a broadcast apparatus so that the participant media is included in broadcast contents. | 02-27-2014 |
20140081126 | APPARATUS FOR GUIDING ENDOSCOPE AND METHOD THEREFOR - An apparatus for guiding an endoscope and a method thereof are provided. According to an embodiment of the present invention, there is provided an endoscope guide method including: acquiring tomogram information of tissues based on an optical interference signal according to an optical signal; calculating a distance between an endoscope and the tissues based on the tomogram information; and controlling the location of the endoscope according to the result of comparison between the distance between the endoscope and the tissues and a predetermined reference distance. Accordingly, it is possible to accurately measure the distance between an endoscope and tissues. | 03-20-2014 |
20140126062 | SUNLIGHT COUPLER AND SUNLIGHT SYSTEM COMPRISING THEREOF - A sunlight coupler is provided, the sunlight coupler may include a beam integrator configured to concentrate beams of sunlight, which may be incident from a plurality of optical fibers, in the form of a single beam, a triplet lens focusing the concentrated beam on a specific position, and an optical fiber provided for transmission of the focused sunlight. The optical fiber may be a thermally-diffusion expand core fiber. | 05-08-2014 |
20140133843 | OPTICAL LINE TERMINAL AND OPTICAL NETWORK UNIT FOR SUPPORTING SLEEP MODE THEREOF - An optical line terminal is provided which includes an upward band allocating unit configured to send an upward bandwidth allocation map to an optical network unit and to determine a sleep mode of the optical network unit according to whether a response message corresponding to the upward bandwidth allocation map is received; and an alarm unit configured to determine an upward bandwidth allocation map transfer operation as a normal operation according to an operation of the sleep mode. | 05-15-2014 |
20140136620 | PROTOCOL CONVERSION APPARATUS AND METHOD - A protocol conversion apparatus includes: a message filter unit for acquiring a unique type identifier by comparing an input message based on a first protocol to a message mask stored in a mask storage unit, and acquiring a message parameter by filtering the input message through the message mask; and a message generation unit for extracting a message template corresponding to the unique type identifier from a template storage unit, and generating an output message based on a second protocol by synthesizing the message parameter and the message template. | 05-15-2014 |
20140161389 | APPARATUS FOR CONNECTING OPTICAL FIBER - Provided is an apparatus for connecting optical fiber. The apparatus for connecting optical fiber includes an input terminal in which an input optical fiber receiving light is inserted through an input ferrule, an output terminal emitting the light incident through the input optical fiber into an outer optical fiber through an output ferrule, and a module coupling unit connecting the input terminal to the output terminal. | 06-12-2014 |
20140171137 | COMMUNICATION DEVICE AND CONTROL DEVICE FOR CONTROLLING COMMUNICATION LINKAGE BETWEEN COMMUNICATION DEVICES - A control device is provided which controls wireless communication linkage between communication devices. The control device includes a communication unit configured to perform wireless communication with first and second communication devices; a user interface unit configured to generate a communication unit active signal according to a control of a user; and a control unit configured to activate the communication unit in response to the communication unit active signal. The communication unit receives communication linkage information for communication linkage between the first and second communication devices from the first communication device and sends the communication linkage information to the second communication device. | 06-19-2014 |
20140195559 | NETWORK DEVICE, CONTROLLER FOR CONTROLLING NETWORK DEVICE, AND NETWORK CONTROL SYSTEM - Provided are a network device, a controller for controlling at least one network device constituting a software-defined network (SDN), and a network control system. The network control system includes at least one event processing network connected to a central server. The central server is configured to give each of the event processing network an event condition and an instruction describing an operation according to the event condition, and each of the event processing network is configured to analyze sensor data of the event processing network itself or a message received from a surrounding event processing network on the basis of the instruction given by the central server, and perform the operation according to the event condition when the event condition is satisfied. | 07-10-2014 |
20140198713 | DEVICE AND METHOD FOR SUPPORTING INTERNET-BASED SENSOR DATA TRANSMISSION - Provided is a method of supporting CoAP-based sensor data transmission between a sensor data collector in a sensor node relay and one or more 6LoWPAN-unsupported sensor nodes. The method includes receiving a CoAP sensor data request message from the sensor data collector, transmitting a CoAP sensor data request message to a corresponding 6LoWPAN-unsupported sensor node by analyzing the received CoAP sensor data request message, and responding to the sensor data collector by creating a CoAP sensor data response message including sensor data received from one or more of the 6LoWPAN-unsupported sensor nodes. | 07-17-2014 |
Patent application number | Description | Published |
20150043166 | OPTICAL TRANSMITTER MODULE WITH TEMPERATURE CONTROL DEVICE AND METHOD FOR MANUFACTURING THE SAME - The optical transmitter module may include a thermal-electric cooler comprising at least one metal pattern formed on a side of a cooling plate temperature of which is controlled by thermo-electric cooling elements, a laser diode installed in one of the at least one metal pattern, and a monitor photo diode which is installed in another one of the at least one metal pattern and monitors change of light signals emitted from the laser diode. Therefore, since elements are located on the same side of the cooling plate, the optical transmitter module may have a simple structure and an advantage that light signals emitted from the laser diode can be directly coupled to the optical fiber without optical path conversions. Also, since the laser diode is installed with a small gap from thermal-electric elements, the temperature control characteristics of the thermal-electric cooler can be enhanced. | 02-12-2015 |
20150063450 | APPARATUS FOR VIDEO PROCESSING AND METHOD FOR THE SAME - Disclosed are an apparatus, a method, and a system for compressing and transmitting video. The video processing apparatus comprises an overlap area extraction part being provided with at least one input video which is acquired by at least one video acquisition device and real space video data stored in a data base, and extracting overlap areas by matching the input video with the real space video data; and a video compression part compressing, based on the overlap areas, the at least one input video by using at least one reference frame based on information included in the real space video data. | 03-05-2015 |
20150102802 | OPTICAL FIBER CURRENT SENSOR - An optical fiber current sensor includes a transmitter optical subassembly (TOSA) that is formed in a package of a linear polarizer that applies light from a light source to a sensor coil that is formed with an optical fiber by linearly polarizing, a polarization beam splitter that separates light that is reflected from the sensor coil according to polarization, and a receiver optical subassembly (ROSA) that is formed in a package together with first and second photodetectors that detect separated light according to polarization. | 04-16-2015 |
20150139425 | KEY MANAGING SYSTEM AND METHOD FOR SENSOR NETWORK SECURITY - Disclosed are a key managing system and method for sensor network security. The key managing system includes a secret key transmitter configured to transmit a portion of a secret key map, stored in a node, to a correspondent node, and transmit the secret key map of the node to the correspondent node by using the transmitted portion of the secret key map and an authenticator configured to acquire a trust level of the correspondent node which indicates a ratio of a total size of the secret key map of the node and a size of the secret key map transmitted to the correspondent node, compare the acquired trust level of the correspondent node and a threshold value, and authenticate the correspondent node and a message acquired from the correspondent node by using the comparison result. | 05-21-2015 |
20150159997 | WAVELENGTH-SELECTABLE COATING THICKNESS MEASUREMENT APPARATUS - Provided is an apparatus that measures a thickness of a coating by selecting a wavelength of a laser based on a color of the coating using a contactless method using a photoacoustic effect and an interferometer, the apparatus including a pulsed laser source to irradiate a pulsed laser beam toward the coating, a continuous wave (CW) laser source to irradiate a CW laser beam toward the coating, a detector to detect an optical interference signal corresponding to the CW laser beam, and a signal processor to process the optical interference signal to calculate a thickness of the coating. | 06-11-2015 |
20150177066 | OBJECT RECOGNITION APPARATUS USING SPECTROMETER AND METHOD THEREOF - Provided are an apparatus and method for recognizing an object on the basis of property information on an object obtained using a multi-wavelength spectrometer. An apparatus for recognizing an object using a multi-wavelength spectrometer includes an image processing unit configured to extract an region of interest from an input three-dimensional image and output shape information on the region of interest, a light irradiation unit configured to irradiate light of a plurality of wavelengths to an arbitrary position of an object corresponding to the detected region of interest, a light receiving unit configured to measure a spectrophotometric value for each light of the plurality of wavelengths, and a light processing unit configured to generate a differential spectrophotometric map using a differential value between spectrophotometric values of different wavelengths measured at the same light irradiation position, and recognize the object using the differential spectrophotometric map and the shape information. | 06-25-2015 |
20150214305 | METHOD OF FABRICATING GRAPHENE NANO DEVICE - Provided is a method of fabricating a graphene nano device. The method includes forming a first metal mask pattern on a substrate on which a graphene layer is formed, and forming a graphene pattern by performing an etching process on the graphene layer using the first metal mask pattern as an etching mask. The forming of the first metal mask pattern includes forming a first adhesive layer on the graphene layer, disposing the first metal mask pattern prepared in advance on the first adhesive layer, and heating the first adhesive layer to attach the first metal mask pattern on the substrate. | 07-30-2015 |
20150281116 | METHOD FOR SETTING SENSOR NODE AND SETTING SECURITY IN SENSOR NETWORK, AND SENSOR NETWORK SYSTEM INCLUDING THE SAME - There are provided a method for setting a sensor node and setting security in a sensor network, and a sensor network system including the same. A setting apparatus scans a near field communication apparatus included in the sensor node to obtain information on the sensor node. The information on the sensor node is transmitted to a gateway, and the gateway connects the sensor node to the sensor network using the received information on the sensor node. | 10-01-2015 |
Patent application number | Description | Published |
20120154999 | ELECTRONIC APPARATUS - An electronic apparatus includes a first member, a second member movably connected to the first member to open and close a front surface of the first member, a sliding device movably connecting the second member to the first member, and hinge devices to rotate the sliding device in a state in which the front surface of the first member is opened. The hinge device includes a first hinge member fixed to the first member, a second hinge member fixed to the sliding device and rotatably installed on the first hinge member, and a cam unit interacting with a first cam plane provided on the second hinge member to rotate the second hinge member. When the front surface of the first member is opened, the second member is automatically rotated by the cam unit and is tilted with respect to the first member. | 06-21-2012 |
20130322004 | HINGE APPARATUS AND COMPUTING APPARATUS HAVING THE SAME - A hinge apparatus connects a first member and a second member to each other so that the first and second members are mutually foldable, and is usable with a computing apparatus. The hinge apparatus includes first and second main gears which are disposed on the first and the second members, respectively, a plurality of idle gears which are disposed between the first and the second main gears so that the first and the second main gears are interlocked with each other, and a pressure member which reinforces a mesh force between the first and the second main gears and the plurality of idle gears. | 12-05-2013 |
20140217875 | PORTABLE ELECTRONIC DEVICE - A portable electronic device includes first and second device units and at least one hinge assembly configured to pivotably connect the second device unit to the first device unit. The hinge assembly includes a first fixing unit configured to be fixed to the first device unit, a second fixing unit configured to be fixed to the second device unit, a plurality of shaft members configured to be arranged in parallel with one another and to include first and second outer shaft members respectively mounted on the first and second fixing units and a plurality of inner shaft members arranged between the first and second outer shaft members, and a gear unit mounted on the shaft members to connect the plurality of shaft members with one another through a gear mesh. | 08-07-2014 |
20140321038 | CONVERTIBLE COMPUTING APPARATUS - A computing apparatus includes a first body having a keyboard, a second body having a display, and a support of which one end portion is connected to the first body through at least one first hinge unit and the other end portion is connected to the second body through at least one second hinge unit disposed in parallel to the first hinge unit. The first hinge unit is disposed to be spaced away from a rear end portion of the first body so that when the second body and the support are simultaneously rotated in a direction in which the second body and the support are spaced away from the first body, a rear end portion of the second body interferes with the rear end portion of the first body and the second body is rotated in a direction in which the second body is spaced away from the support. | 10-30-2014 |
Patent application number | Description | Published |
20150153947 | ONSCREEN FUNCTION EXECUTION METHOD FOR MOBILE TERMINAL HAVING A TOUCHSCREEN - An onscreen function execution method for a mobile terminal having a touchscreen is provided. The method allows for executing functions of an activated application by a tap on a specific area of the touchscreen. An onscreen function execution method of the present invention includes mapping active regions of the touchscreen to functions of at least one application, displaying an application screen in response to an application activation command and executing, if a tap is detected on one of the active regions, a function mapped to the application activation command. The active regions may include a function execution display region and the applications may comprise a camera application, a music player application, an idle mode screen application and the like. The method allows a user to execute functions of an activated application by tap on the touchscreen. | 06-04-2015 |
20150247274 | WASHING MACHINE AND WASHING WATER SUPPLY DEVICE - Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted. | 09-03-2015 |
20150247275 | WASHING MACHINE AND WASHING WATER SUPPLY DEVICE - Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted. | 09-03-2015 |
20150247276 | WASHING MACHINE AND WASHING WATER SUPPLY DEVICE - Provided is a washing machine including a main body having an opening and a door assembly disposed at the opening, wherein the door assembly includes a door that opens and closes the opening and an auxiliary washing unit having an auxiliary washing space in which hand-washing can be performed, and provided to pivot about one side of the door in an inside of the door. Through this configuration, separated washing spaces can be provided and separate hand-washing can be performed. Also, pressure of washing water supplied into the washing machine can be regulated so that water supply efficiency can be improved and a flow rate of the washing water can be adjusted. | 09-03-2015 |
20150252508 | WASHING MACHINE HAVING A MANUAL WASHING UNIT - Disclosed is a washing machine capable of improving the efficiency of washing and product quality by improving a pivoting structure of a door assembly having a door and an auxiliary washing unit forming an auxiliary washing space. Also, the door and the auxiliary washing unit may be coupled by a locking part so that a user can open and close the door assembly conveniently when manual washing is not needed. When manual washing is needed, the user may release a locked state of the locking part to move the door and the auxiliary washing unit separately. | 09-10-2015 |
20150267337 | WASHING MACHINE HAVING A MANUAL WASHING UNIT - Disclosed is a washing machine capable of improving the efficiency of washing and product quality by improving a pivoting structure of a door assembly having a door and an auxiliary washing unit forming an auxiliary washing space. Also, the door and the auxiliary washing unit may be coupled by a locking part so that a user can open and close the door assembly conveniently when manual washing is not needed. When manual washing is needed, the user may release a locked state of the locking part to move the door and the auxiliary washing unit separately. | 09-24-2015 |
Patent application number | Description | Published |
20100077415 | Chucking device for a disk - A chucking device for a disk including a turntable on which an optical disk is seated, a housing provided on the turntable in such a manner as to be inserted into a center hole of the optical disk, a chuck pin having an end protruding outwards from the housing so that, when the optical disk is inserted into and released from the chuck pin, the chuck pin reciprocates from the center of the optical disk, a spring elastically forcing the end of the chuck pin outwards from the center of the optical disk, and a spring holder provided slantwise on the chuck pin such that the spring is held thereon so that an elastic force of the spring is applied inclined onto the chuck pin acting towards the direction of the turntable. | 03-25-2010 |
20110167439 | SLIP PREVENTION MEMBER FOR TURNTABLES - Disclosed herein is a slip prevention member for a turntable. A friction layer prevents a slip of a disk placed on an upper surface thereof. A hardness reinforcing layer is provided under the lower surface of the friction layer. An adhesive layer is provided under the lower surface of the hardness reinforcing layer. A releasable sheet is attached to the lower surface of the adhesive layer. The slip prevention member reduces use of environmentally toxic material and uses the hardness reinforcing layer, thus preventing occurrence of vibrations and noise which may be induced when the hardness of the slip prevention member is relatively low. | 07-07-2011 |
20120025647 | SPINDLE MOTOR - Disclosed herein is a spindle motor. The spindle motor includes a rotor and a stator. The rotor includes a rotating shaft and a rotor casing which is provided with a magnet. The stator rotatably supports the rotor. The stator includes an armature facing the magnet. When the rotor casing rotates at a low speed, the rotating shaft rotates in a state of being inclined at a predetermined angle with respect to the vertical direction in which the rotating shaft is upright on the stator. Therefore, because the rotating shaft rotates in the state of being inclined with respect to the stator, the rotor can uniformly rotate. If the spindle motor is used in an optical disk apparatus for forming a label surface on an optical disk, the quality of the image on the label surface of the optical disk can be enhanced. | 02-02-2012 |
20120170149 | SPINDLE MOTOR - Disclosed herein is a spindle motor, including: a rotating part having a rotating shaft and a magnet and a fixing part including a bearing supporting the rotating shaft and an armature corresponding to the magnet, the rotating part rotated by electromagnetic force of the magnet and the armature, wherein the fixing part includes: a plate supporting the rotating shaft; and a flexible circuit board mounted on the top portion of the plate and disposed between the plate and the armature to shield conduction therebetween. | 07-05-2012 |
20120181885 | SPINDLE MOTOR - Disclosed herein is a spindle motor including: a rotor including a rotational axis and a magnet; and a stator including a bearing supporting the rotational axis and an armature corresponding to the magnet; wherein the rotor rotates by electromagnetic force between the magnet and the armature, the stator includes a printed circuit connected to the armature and having a hole for both set assembling and grounding formed therein; and a base plate having the printed circuit board coupled to an upper surface thereof so as to be stacked thereon and having a hole for both set assembling and grounding formed therein, the hole for both set assembling and grounding corresponding to the hole for both set assembling and grounding of the printed circuit board, and the hole for both set assembling and grounding of the printed circuit board and the hole for both set assembling and grounding of the base plate are fixed and grounded to a set. | 07-19-2012 |
20120182856 | SPINDLE MOTOR - A spindle motor includes a rotor including a rotary shaft and magnets, a stator including a bearing, which supports the rotary shaft, and an armature corresponding to the magnets. The rotor is caused to rotate by an electromagnetic force generated by the magnets and the armature. The stator includes a plate having a stepped portion in a portion thereof, which faces the rotary shaft. | 07-19-2012 |
20120256515 | SPINDLE MOTOR - Disclosed herein is a spindle motor configured of a rotating part including a shaft and a magnet and a fixing part including a bearing supporting the shaft and an armature facing the magnet, the rotating part being rotated by electromagnetic force between the magnet and the armature, wherein the fixing part includes: a base plate supporting the shaft; a bearing holder mounted on an upper portion of the base plate and fixed to an outer diameter of the bearing; and a flexible printed circuit board attached on upper portions of the base plate and the bearing holder so that it is disposed between the base plate and the armature and the bearing holder and the armature, thereby insulating the base plate and the bearing holder from the armature. | 10-11-2012 |
20120262034 | SPINDLE MOTOR - Disclosed herein is spindle motor including a rotating part, including: a rotating shaft and a magnet; a fixing part including a bearing supporting the rotating shaft, an armature opposite to the magnet, a printed circuit board applying power to the armature, and a base plate coupled with the rotating part, wherein the rotating part rotates by electromagnetic force of the magnet and the armature, and an end of the base plate contacting the printed circuit board is provided with a downward inclined part having a round shape so as to be coupled with the printed circuit board. | 10-18-2012 |
20130049546 | SPINDLE MOTOR - Disclosed herein is a spindle motor including: a shaft insertedly mounted so as to be perpendicular to an upper side portion; a sleeve receiving the shaft therein to thereby rotatably support the shaft and forming a space between the sleeve and the shaft to thereby be spaced apart from the shaft so as not to contact the shaft; a holder having the sleeve mounted in an inner portion thereof and having a lower portion mounted on an upper portion of a plate; and the plate integrally supporting lower portions of the shaft and the sleeve and including connecting parts connecting the holder and the plate to each other and fixing parts fixing positions of the holder and the plate so that a lower surface of the holder is coupled thereto. | 02-28-2013 |
20130069466 | SPINDLE MOTOR - Disclosed herein is a spindle motor including: a shaft; a bearing receiving the shaft therein to thereby rotatably support the shaft; a bearing holder having the bearing mounted therein; an armature including a core stacked on an outer diameter of the bearing holder and a coil wound around the core; a rotor case having a magnet mounted therein so as to rotate by electromagnetic force with the armature and mounted on an outer diameter of the shaft; and an electromagnet selectively mounted on the armature or the bearing holder so as to face the rotor case, thereby preventing floating or separation of the rotor case by attractive force. | 03-21-2013 |
20130140962 | SPINDLE MOTOR - Disclosed herein is a spindle motor including: a shaft; a rotor case coupled to the shaft to rotate integrally with the shaft and including a rotor magnet coupled to an inner portion thereof; a base plate to which the shaft is rotatably coupled; a bearing coupled to an outer peripheral surface of the shaft to rotatably support the shaft; a bearing holder coupled to an outer peripheral surface of the bearing to support the bearing and fixedly coupled to an upper portion of the base plate; and a stator core part coupled to an outer peripheral surface of the bearing holder so as to face the rotor magnet, wherein the bearing has a length of an inner peripheral surface contacting the shaft longer than a length of an outer peripheral surface contacting the bearing holder. | 06-06-2013 |
20130147300 | SPINDLE MOTOR - Disclosed herein is a spindle motor. The spindle motor includes a main magnet formed to have an asymmetrical cross section without a pulling magnet according to the prior art that has been installed on an upper end of a core in order to prevent floating of a rotor, such that the main magnet may prevent the floating of the rotor instead of the pulling magnet. | 06-13-2013 |
20130162079 | SPINDLE MOTOR - Disclosed herein is a spindle motor. In the spindle motor according to the present invention, a thrust part is disposed at a lower portion of a shaft, and a support part surface-contacting a lower end of the shaft is formed at the thrust part so as to have a round shape, thereby making it possible to easily prevent a wobble phenomenon of a rotor due to a gap in a shaft system. In addition, a guide part is formed to be protruded at the thrust part to lock the shaft including a narrow part formed therein, thereby making it possible to easily prevent floating of the rotor. | 06-27-2013 |
20130278116 | BRUSHLESS DC MOTOR - Disclosed herein is a brushless DC motor that ensures stable driving of a shaft that rotates in a hollow of a bearing by using a bearing with a flat bottom surface and a tapered top. A contact height between an inner peripheral surface of the bearing and an outer peripheral surface of the shaft is larger than a contact height between an outer peripheral surface of the bearing and an inner peripheral surface of a bearing holder. | 10-24-2013 |
Patent application number | Description | Published |
20090086835 | APPARATUS AND METHOD FOR BLOCK INTERLEAVING USING MIXED RADIX SYSTEM IN MB-OFDM - A block interleaving apparatus for block interleaving M-bit input streams to be transferred with a modulus k using a mixed radix system in a multi-band orthogonal frequency division multiplexing communication system, including an array processor having an array including M cells in which the number of columns is k and the number of rows is M/k. The array processor inputs the input streams from the bottom-right cell up to the top-left last cell in the horizontal direction, and, after the first bit of the input streams reaches the last cell, generates interleaved output streams by changing the output of the array processor from horizontal direction to vertical direction. | 04-02-2009 |
20090128294 | DATA STREAMING APPARATUS FOR RADIO FREQUENCY IDENTIFICATION TAG - The invention relates to a data streaming apparatus for an RFID tag capable of streaming large scale data with low power consumption without a complicated structure. A mass storage is segmented into unit banks, and only the unit banks are selectively operated in a sequential manner. As a result, a tag capable of streaming large scale data with low power consumption can be provided. | 05-21-2009 |
20090167497 | TAG FOR RFID, WIRELESS TRANSMISSION SYSTEM AND METHOD FOR LARGE SCALE MULTIMEDIA CONTENTS USING THE SAME - The invention provides an RFID tag for storing large scale multimedia contents data readable only when it is authenticated, remote authentication for accessing the multimedia contents data stored in the RFID tag, and a wireless communication system and method for transmitting/receiving the multimedia contents on a radio frequency through the authentication. Specifically, the tag includes: a wireless communication unit transmitting/receiving the first and second request signals and the first and second data signals; a first memory device storing first data for the first data signal; a second memory device storing second data for the second data signal; a tag control unit which generates and transmits the first data signal based on the first data in response to the first request signal from the reader device, or generates and transmits the second data signal based on the second data in response to the second request signal from the reader device; and an authentication unit selectively prohibiting the tag control unit from accessing the second memory device depending on authentication information contained in the second request signal. | 07-02-2009 |
20100201492 | RFID communication method and system - In a method of communicating in a radio frequency identification (RFID) system including a RFID reader and a plurality of RFID tags, a plurality of spread spectrum data are stored in the plurality of RFID tags. The plurality of spread spectrum data are transmitted from the plurality of RFID tags to the RFID reader. A plurality of original data respectively corresponding to the plurality of RFID tags are simultaneously extracted from the plurality of spread spectrum data at the RFID reader. | 08-12-2010 |
20110187508 | TAG FOR RFID, WIRELESS TRANSMISSION SYSTEM AND METHOD FOR LARGE SCALE MULTIMEDIA CONTENTS USING THE SAME - The invention provides an RFID tag for storing large scale multimedia contents data readable only when it is authenticated, remote authentication for accessing the multimedia contents data stored in the RFID tag, and a wireless communication system and method for transmitting/receiving the multimedia contents on a radio frequency through the authentication. Specifically, the tag includes: a wireless communication unit transmitting/receiving the first and second request signals and the first and second data signals; a first memory device storing first data for the first data signal; a second memory device storing second data for the second data signal; a tag control unit which generates and transmits the first data signal based on the first data in response to the first request signal from the reader device, or generates and transmits the second data signal based on the second data in response to the second request signal from the reader device; and an authentication unit selectively prohibiting the tag control unit from accessing the second memory device depending on authentication information contained in the second request signal. | 08-04-2011 |
20120065272 | NOVEL USE OF PANDURATIN DERIVATIVES OR EXTRACT OF KAEMPFERIA PANDURATA COMPRISING THE SAME - The present invention relates to a new use of panduratin derivatives or a | 03-15-2012 |
Patent application number | Description | Published |
20100125860 | OPTICAL DISC DRIVE HAVING TRAY FOR LOADING DISC - Provided is an optical disc drive having a tray to receive a disc. The tray includes a hollow portion having a bottom corresponding to the disc and a wall surrounding a portion of the bottom, and a plurality of supporting portions formed on the bottom of the hollow portion to locally support a bottom surface of the disc. | 05-20-2010 |
20120114315 | HEAT-DISSIPATING STRUCTURE AND MULTIMEDIA REPRODUCTION DEVICE INCLUDING THE SAME - An electronic device is provided. The electronic device includes an substrate on which a heat source is mounted, a housing that accommodates the substrate and comprises an upper cover and a lower base disposed above and below the substrate, respectively, and a heat-dissipating structure that is formed in the upper cover, the lower base, or a combination thereof and contacts a side of the substrate. | 05-10-2012 |
20120124598 | MULTIMEDIA DEVICE - A multimedia device including a back-end substrate that includes a heat source and a reproducing unit that is configured to reproduce an audio and/or a video signal based on data read from a storage medium, a housing that accommodates a back-end substrate and comprises an upper cover and a lower base which are respectively disposed above and under the back-end substrate, and a heat-dissipating structure that is formed on at least one of the upper cover and the lower base and contacts a side of the back-end substrate, a support post formed on the lower cover that is configured to support a lower surface of the back-end substrate, and a push post that is configured to position an upper edge of the back-end substrate with respect post the support post. | 05-17-2012 |
20130028065 | FLEXIBLE CABLE FOR OPTICAL PICKUP AND OPTICAL DISC DRIVE INCLUDING THE SAME - A flexible cable is provided. The flexible cable includes a base film having a band shape, a plurality of wiring layers disposed on the base film and extending in one direction, and a plurality of elasticity-adjusting patterns attached to a portion of the base film and partially adjusting the elasticity of the flexible cable. | 01-31-2013 |
20130031571 | PICKUP DAMPER AND DISK DRIVE INCLUDING THE SAME - A pickup damper is provided. The pickup damper is configured to be installed adjacent to a plurality of guide shafts installed on opposite sides of an opening of a base chassis, configured to collide with a pickup and relieve shock via at least three steps in response to an external shock being applied, and configured to prevent the pickup from colliding with the guide shafts to protect the pickup. | 01-31-2013 |
20130107426 | MULTIMEDIA REPRODUCTION DEVICE AND DISC PLAYER | 05-02-2013 |
20140237491 | OPTICAL DISC DRIVE AND MAIN FRAME OF OPTICAL DISC DRIVE - Provided is an optical disc drive that may prevent an optical disc from dropping during an unclamping operation. The optical disc drive includes a main frame to support the optical disc drive and a disc tray in which the optical disc is disposed, and one or more stopper mechanisms to prevent the optical disc disposed on the disc tray from dropping. | 08-21-2014 |
Patent application number | Description | Published |
20080212381 | Voltage generating circuits for semiconductor memory devices and methods for the same - In a voltage generating circuit for a semiconductor memory device, each of a plurality of reset signal generators individually generates a reset signal in response to one of a plurality of external source voltages. The plurality of external source voltages have different voltage levels. An output voltage generator generates a plurality of output voltages by independently driving each of the plurality of external source voltages in response to a corresponding one of the plurality of reset signals. The output voltage generator outputs the plurality of output voltages through a common output terminal. | 09-04-2008 |
20080259668 | Layout structure of bit line sense amplifiers for a semiconductor memory device - A layout structure of bit line sense amplifiers for use in a semiconductor memory device includes first and second bit line sense amplifiers arranged to share and be electrically controlled by a first column selection line signal, and each including a plurality of transistors. In this layout structure, each of the plurality of transistors forming the first bit line sense amplifier is arranged so as not to share an active region with any transistors forming the second bit line sense amplifier. | 10-23-2008 |
20100067317 | SEMICONDUCTOR MEMORY DEVICE AND METHOD OF CONTROLLING SENSE AMPLIFIER OF SEMICONDUCTOR MEMORY DEVICE - A semiconductor memory device includes at least one sense amplifier, a controller and a sense amplifier driver. The sense amplifier includes a PMOS sense amplifier and an NMOS sense amplifier configured to be respectively activated in response to a first supply voltage and a second supply voltage, and to sense and amplify a voltage difference between a corresponding bit line pair. The controller is configured to set an operating mode in response to an external command, to control activation timing of a PMOS drive activation signal and an NMOS drive activation signal according to the set operating mode, and to output the PMOS drive activation signal and the NMOS drive activation signal. The sense amplifier driver is configured to apply the first and second supply voltages to the PMOS and NMOS sense amplifiers, respectively, in response to the PMOS drive activation signal and the NMOS drive activation signal. | 03-18-2010 |
20100097867 | INTERNAL SOURCE VOLTAGE GENERATING CIRCUIT OF SEMICONDUCTOR MEMORY DEVICE - An internal source voltage generating circuit includes a comparison voltage generator which receives reference and internal source voltages, outputs to a second node a comparison voltage differentially amplified responsive to a voltage of a first node according to a difference between the reference and internal source voltages, and allows a driving current to flow from a third node to a fourth node. An internal voltage driver transfers an external source voltage to an output node responsive to the comparison voltage. A driving current generator increases the driving current flowing from the third node to the fourth node responsive to the voltage of the first node which rises when the internal source voltage abruptly drops. The internal source voltage generating circuit is insensitive to variation of an external source voltage, exhibits improved response time when an internal source voltage abruptly drops, and stably generates an internal source voltage. | 04-22-2010 |
20110103166 | LAYOUT STRUCTURE OF BIT LINE SENSE AMPLIFIERS FOR A SEMICONDUCTOR MEMORY DEVICE - A layout structure of bit line sense amplifiers for use in a semiconductor memory device includes first and second bit line sense amplifiers arranged to share and be electrically controlled by a first column selection line signal, and each including a plurality of transistors. In this layout structure, each of the plurality of transistors forming the first bit line sense amplifier is arranged so as not to share an active region with any transistors forming the second bit line sense amplifier. | 05-05-2011 |
Patent application number | Description | Published |
20090274305 | METHOD AND APPARATUS FOR TRANSMITTING CONTENT KEY - Provided is a method of transmitting content keys to nodes arranged in a hierarchical structure which includes a plurality of node groups each including a predetermined number of the nodes. In this method, revoke information that includes identifiers of revoked node groups in the hierarchical structure, the total number of independent revoked nodes, and identifiers of the independent revoked nodes is generated. The revoked node groups are node groups consisting of only revoked nodes, and the independent revoked nodes are revoked nodes not belonging to any of the revoked node groups. Then, encrypted content keys are obtained by encrypting content keys using broadcast encryption, by using an encryption key set that has a form that cannot be generated using a decryption key set that the revoked nodes possess, and a set of encrypted content keys is generated. Thereafter, the revoke information and the set of the encrypted content keys are transmitted to all of the nodes arranged in the hierarchical structure. | 11-05-2009 |
20090304185 | METHOD OF TRACING DEVICE KEYS FOR BROADCAST ENCRYPTION - Provided are a method of tracing a device key in a user key management system using a hierarchical hash chain broadcast encryption scheme (HBES) algorithm, a user key management system for executing the method of tracing a device key, and a computer program for executing the method of tracing a device key. The method of tracing a device key of an illegal decoder in a user key management system for broadcast encryption includes: tracing a device key using a binary search; and revoking the traced device key. The technology according to the present invention can be applied to prevent exposure of the device keys to hacking. The present invention provides a method of tracing which can be applied to an HBES algorithm structure. | 12-10-2009 |
20100217976 | METHOD AND APPARATUS FOR IMPORTING CONTENT - A method and apparatus for protecting digital content in a digital rights management (DRM) system are provided. The method of importing a first content file into a second content file includes determining a usage rule of content included in the first content file based on information used to control remote access of the content included in the first content file; and generating the second content file that follows the determined usage rule. | 08-26-2010 |
20110067112 | METHOD AND APPARATUS FOR IMPORTING CONTENT - A method and apparatus for protecting digital content in a digital rights management (DRM) system are provided. The method includes: determining a usage rule for content included in a first content file based on usage constraint information included in the first content file; and generating a second content file complying with this usage rule. According to the method and apparatus, the security requirement of content creators and content providers can be satisfied and at the same time the requirement of content consumers for freer usage can be satisfied. | 03-17-2011 |
20110153823 | METHOD AND APPARATUS FOR MANAGING DOMAIN - A method and an apparatus for managing domains are provided. The method of managing one or more domains performed by a domain manager located in a home network includes determining whether to register a first device located in the home network to a domain, and providing data required to share content between the first device and a second device registered to the domain according to the determination. In the method and apparatus, content can be shared by connecting the devices with one another including a user, and the burden of content providers for management can be reduced. | 06-23-2011 |