Patent application number | Description | Published |
20100061171 | Semiconductor Memory Device and Method of Operating the Same - A semiconductor memory device includes a plurality of word lines, a plurality of pairs of bit lines and complementary bit lines, and a plurality of memory cells, each memory cell being disposed at a region where a respective word line and a pair of a bit line and a complementary bit line cross each other. A voltage control unit controls a power voltage to obtain a controlled voltage appliable to the memory cells in response to a control signal that controls an operation of the memory cells. At least one dummy cell is disposed between the voltage control unit and the memory cells and is configured to reduce the controlled voltage to a predetermined level. | 03-11-2010 |
20100061176 | Semiconductor Memory Device and Method of Operating the Same - A semiconductor memory device includes a plurality of word lines, a plurality of pairs of bit lines and complementary bit lines that cross the word lines, and a plurality of memory cells, each memory cell being disposed at a region where a respective word line and a pair of a bit line and a complementary bit line cross each other. A voltage control unit includes a plurality of elements connected in series between a power voltage source and the memory cells and are switched on/off in response to a control signal that controls an operation of the plurality of memory cells. The voltage control unit controls the voltage of the power voltage source to a predetermined level, thereby obtaining a controlled voltage to be supplied to the memory cells. | 03-11-2010 |
20120211843 | OPTIMIZED CHANNEL IMPLANT FOR A SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAME - A semiconductor device, comprising a substrate, a plurality of polysilicon portions formed on the substrate, wherein the polysilicon portions are spaced apart from each other, a plurality of source/drain regions formed in the substrate between adjacent polysilicon portions, and a dielectric layer formed on the polysilicon portions and on the source/drain regions, wherein the dielectric layer includes a cavity filled with conductive material to form a contact area, the contact area overlapping part of a source/drain region and part of a polysilicon portion to electrically connect the polysilicon portion with the source/drain region, and wherein part of the contact area extends below an upper surface of the substrate to contact an implant region with the same doping as the source/drain region. The implant region is next to the source/drain region and includes part of a channel region in the substrate under the polysilicon portion. | 08-23-2012 |
20140103446 | SEMICONDUCTOR DEVICE - A semiconductor device includes first and second well regions having a first conductivity type, and a third well region between the first and second well regions having a second conductivity type different from the first conductivity type. A first active region is in the first well region. A second active region is in the second well region. A third active region is in the third well region. The third active region is closer to the second active region than to the first active region. A fourth active region is in the third well region. The fourth active region is closer to the first active region than to the second active region. A first conductive pattern is across the first and third active regions. A second conductive pattern is across the second and fourth active regions and parallel to the first conductive pattern. | 04-17-2014 |
Patent application number | Description | Published |
20090237340 | LIQUID CRYSTAL DISPLAY MODULE AND DISPLAY SYSTEM INCLUDING THE SAME - A liquid crystal display (LCD) module and a display system including the LCD module are provided. The LCD module includes a common-voltage adjustment unit which is enabled by interfacing with an external device and thus adjusts a common voltage; a signal control unit which outputs a first reverse signal that reverses the polarity of a voltage at intervals of at least two frames; and a data driving unit which reverses the polarity of an image data voltage with respect to the common voltage at intervals of at least two frames in response to the first reverse signal. | 09-24-2009 |
20090295768 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device with improved display quality and a method of driving the display device set at least one static area in each of a previous frame and a current frame by comparing edge areas of the previous frame and edge areas of the current frame, and create an interpolated frame for display between the previous and current frames. At least one static area of the previous frame is used in an unmodified state as a static area of the interpolated frame. | 12-03-2009 |
20100007648 | DRIVING APPARATUS AND DISPLAY DEVICE INCLUDING THE SAME - The present invention relates to a driving device for a liquid crystal display and a driving method thereof. A signal controller of the driving device generates a data signal according to an input image signal input to the display device, generates a clock signal according to the input control signal, and generates a differential pair image signal by modulating the clock signal to the data signal. Here, a data signal period of the differential pair image signal and a clock signal period are converted with a different level and are output. A data driver of the driving device receives the differential pair image signal, divides the data signal and the clock signal from the differential pair image signal, and generates a data voltage by sampling a data signal by using the clock signal. | 01-14-2010 |
20100039416 | METHOD OF DRIVING DISPLAY APPARATUS AND DRIVING CIRCUIT FOR DISPLAY APPARATUS USING THE SAME - In a driving method of a display apparatus using a driving circuit, when an image signal is a film image signal, first, second, and third original image signals are extracted based on the film image signal. Then, a first compensation image signal is generated based on first and second original image signals, and a second compensation image signal is generated based on second and third original image signals. The first original image signal, the first compensation image signal, the second original image signal, and the second compensation image signal are sequentially output to have a driving frequency higher than an input frequency. In addition, the first original image signal, the first compensation image signal, the second original image signal, and the second compensation image signal are output i, k, j, and k times, respectively. Thus, a trembling phenomenon perceived by a viewer of a film image may be prevented. | 02-18-2010 |
20100277490 | IMAGE DRIVING APPARATUS AND DISPLAY APPARATUS INCLUDING THE SAME - A wireless and multi-channel re-transmitting link is provided between an image displaying part that is housed in a first housing and an image data processing part that is housed in a segregated second housing. The wireless link allows the image displaying part to be more easily moved around and to be made lighter and slimmer in profile because at least some image data processing can be carried out in the second housing and yet cumbersome cables are not needed for linking the pre-processed image data from the second housing to the first housing. In one embodiment, the data bandwidth. that is to he transmitted through the wireless link is first reduced; for example the frame refresh rate of image frames conveyed through each of the wireless channels is made less than the frame refresh rate of the original image signal. In one embodiment, the reduced number of frames per unit time are further frequency wise and temporally wise spaced apart from one another by alternatingly sending them through different wireless channels at different times. Thus if a burst of noise strikes one of the plural re-transmission channels, the likelihood that it will corrupt a frame is reduced. | 11-04-2010 |
20120070038 | Method of Processing Image Data and Display Apparatus for Performing the Same - In a method of processing image data, a movement of data of first and second original image frames is estimated to calculate first and second movement vectors. The first and second original frames are different from each other. A sample frame is generated using the first and second movement vectors. At least one luminance interpolation frame having an average luminance value of two image frames adjacent to each other is generated according to a result of comparing the first original image frame with the sample frame. The luminance interpolation frame is inserted between the first and second original image frames. An abnormal display quality like shaking and trembling image due to inserting a movement interpolation frame interpolated movement is reduced, so that a display quality may be enhanced. | 03-22-2012 |
20140253528 | METHOD OF DRIVING DISPLAY APPARATUS AND DRIVING CIRCUIT FOR DISPLAY APPARATUS USING THE SAME - In a driving method of a display apparatus using a driving circuit, when an image signal is a film image signal, first, second, and third original image signals are extracted based on the film image signal. Then, a first compensation image signal is generated based on first and second original image signals, and a second compensation image signal is generated based on second and third original image signals. The first original image signal, the first compensation image signal, the second original image signal, and the second compensation image signal are sequentially output to have a driving frequency higher than an input frequency. In addition, the first original image signal, the first compensation image signal, the second original image signal, and the second compensation image signal are output i, k, j, and k times, respectively. Thus, a trembling phenomenon perceived by a viewer of a film image may be prevented. | 09-11-2014 |
Patent application number | Description | Published |
20090196622 | Reconnection method in peripheral interface using visible light communication - A reconnection method and device for a peripheral interface using VLC provide a protocol for when a communication link between a primary device and a secondary device is disconnected. The primary device generates an R-XID message including reconnection information and a warning indication signal indicating the disconnection. The secondary device aligns the communication link with the primary device using the warning indication signal, receives the R-XID message from the primary device by the secondary device, and transmits an R-XID response message for the R-XID message to the primary device. | 08-06-2009 |
20110002695 | APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING DATA USING VISIBLE LIGHT COMMUNICATION - Provided is an apparatus and method for transmitting and receiving data in a visible light communication system, the apparatus including a visible light communication (VLC) transceiver for converting a visible light signal received from a counterpart into an electrical signal and outputting the electrical signal, by using a light receiving device during a reception operation, and converting an electrical signal containing information into a visible light signal and transmitting the visible light signal to the counterpart, by using a light emitting device during a transmission operation, a VLC controller comprising a visible frame engine (VFE) for generating a visible frame and outputting the visible frame to the VLC transceiver, in which the VFE generates the visible frame for transmission to a counterpart during non-transmission of respective frames for communication at a sender and a receiver in order to provide visibility to a communication link, and a host controller for controlling the VLC controller and transmitting and receiving data to and from the VLC controller. | 01-06-2011 |
20110110668 | VISIBLE-LIGHT WIRELESS COMMUNICATION METHOD AND SYSTEM - A visible-light wireless communication system includes a plurality of light transmitters for generating light signals modulated at different frequencies and at least one terminal for wirelessly communicating with the plurality of light transmitters using the light signals. | 05-12-2011 |
20130082653 | WIRELESS POWER MULTI-CHARGING METHOD AND POWER TRANSMITTER - A wireless multi-charging method of a power transmitter that wirelessly transmits power includes sensing a first power receiver, increasing a transmission power required for charging the first power receiver, sensing a second power receiver, decreasing the transmission power required for suspending charging of the first power receiver, and increasing the transmission power required for simultaneously charging both the first power receiver and the second power receiver. | 04-04-2013 |
20130099732 | METHOD FOR CONTROLLING CHARGING POWER AND WIRELESS CHARGING APPARATUS FOR THE SAME - Disclosed is a method for advance detection of output power, before arrival at a boundary frequency between an inband and an outband during frequency tracking in a wireless charging apparatus, the wireless charging apparatus including a first resonator resonating at a lower-limit frequency of the inband and a second resonator resonating at an upper-limit frequency of the inband, to adaptively adjust the frequency based on the power values output from the first and second resonators, and to determine a power transmission control value corresponding to the adjusted frequency, thereby enabling frequency control and power control within the inband. | 04-25-2013 |
20130200844 | WIRELESS POWER CHARGING METHOD AND APPARATUS - A method and apparatus are provided that efficiently perform wireless power charging. A power supply device checks an amount of charging power required by the power receiving device; determines a power level of the charging power that to be supplied over time, based on the amount of the charging power required by the power receiving device; transmits the charging power corresponding to the determined power level to the power receiving device; periodically receives a report message about a charging situation of the power receiving device from the power receiving device; calculates remaining required power, based on the report message received from the power receiving device; adjusts the determined power level depending on the calculated remaining power; and transmits the charging power corresponding to the adjusted power level to the power receiving device. | 08-08-2013 |
20130221914 | WIRELESS POWER RECEIVER AND CONTROLLING METHOD THEREOF - Disclosed is a method for controlling a wireless power receiver including a charging unit. The method includes receiving wireless power, rectifying the received wireless power and outputting Direct Current (DC) wireless power, and determining whether the voltage of the rectified wireless power is greater than or equal to the allowable voltage of the charging unit. | 08-29-2013 |
20140308996 | WIRELESS CHARGING APPARATUS AND METHOD - The present invention relates to a method for adjusting a power information transmission period from a mobile terminal to be charged in a wireless charging apparatus. To this end, a wireless charging apparatus according to the present invention comprises: a communication unit for receiving power information from at least one mobile terminal; and a control unit for determining a transmission period of power information for each of the at least one mobile terminal based on the power information and adjusting the transmission period according to whether the power information is received from the at least one mobile terminal. As described above, the waste of resources, which may occur due to unnecessary packet transmission, can be reduced by adaptively adjusting the transmission period, thereby increasing the efficiency of power transmission . | 10-16-2014 |
20150207561 | APPARATUS AND METHOD FOR PROVIDING SYNCHRONIZED DATA BY USING VISIBLE LIGHT COMMUNICATION - Apparatuses and methods which provide synchronized data using visible light communication are described. In one method, a first Light Emitting Diode (LED) lighting apparatus, which has a checked Identification (ID), receives a synchronization signal from a mobile communication network. This synchronization signal is analyzed in order to synchronize the first LED lighting apparatus with at least one second LED lighting apparatus adjacent to the first LED lighting apparatus. A synchronized time slot is prepared using the synchronization signal and a period of the time slot is determined, using the checked ID of the first LED apparatus, for transmitting data of the first LED lighting apparatus to a mobile terminal. | 07-23-2015 |
20150244204 | WIRELESS POWER MULTI-CHARGING METHOD AND POWER TRANSMITTER - A power transmitter and method are provided for wireless multi-charging. A power transmitter includes a resonator configured to wirelessly transmit power to one or more power receivers; and a controller configured to increase a transmission power of the resonator to charge a first power receiver when the first power receiver is located in a charging area of the resonator; decrease the transmission power of the resonator when a second power receiver is located in the charging area of the resonator; and increase the transmission power of the resonator to charge both of the first power receiver and the second power receiver. | 08-27-2015 |
Patent application number | Description | Published |
20120293007 | POWER TRANSMITTING METHOD AND POWER TRANSMITTER FOR COMMUNICATION WITH POWER RECEIVER - A method and power transmitter for efficiently controlling power transmission to one or more power receivers in a wireless multi-power transmission system are provided. The method includes performing, when a predetermined measurement cycle arrives, a load measurement; comparing a current load measurement value with a previous load measurement value; determining whether the current load measurement value is increased over the previous load measurement value by at least as much as a first predetermined threshold; gradually increasing, when the load measurement value is increased over the previous load measurement value by at least as much as the first threshold, a transmission power value until a request for a subscription to a wireless multi-power transmission network from a power reception target within a predetermined time limit; and stopping, when the request for the subscription is not received before the time limit is exceeded, power transmission to the power reception target. | 11-22-2012 |
20120293011 | POWER TRANSMITTING AND RECEIVING APPARATUS AND METHOD FOR PERFORMING A WIRELESS MULTI-POWER TRANSMISSION - An apparatus and method are provided for transmitting and receiving power for wireless power transmission. A power transmitting apparatus includes a power supplier for generating power; a resonator for transmitting the power generated by the power supplier to a plurality of power receiving apparatuses; and a controller for determining whether a power transmission to a new power receiving apparatus is possible using a power receiving apparatus management table, when the new power receiving apparatus is detected while the power transmissions of the plurality of power receiving apparatuses are being performed, and controlling the resonator to transmit power to the new power receiving apparatus, when the power transmission to the new receiving apparatus is possible. The power transmitting apparatus stably supplies power to a plurality of power receiving apparatuses by determining power transmission states of the plurality of power receiving apparatuses. | 11-22-2012 |
20130057079 | APPARATUS AND METHOD OF CONTROLLING WIRELESS POWER TRANSMISSION - An apparatus for controlling wireless power transmission includes a near-field wireless communication antenna for receiving wireless power transmission control signals from a power transmitting device at a communication frequency, a near-field wireless communication Integrated Circuit (IC) for delivering wireless power transmission control messages based on the wireless power transmission control signals received through the near-field wireless communication antenna to a power IC, a Wireless Power Transmission (WPT) coil for resonating at a frequency band corresponding to a resonant frequency of the power transmitting device, to receive power supplied from the power transmitting device, and the power IC for controlling output of a constant voltage, using the supply power received by the WPT coil, based on the wireless power transmission control messages from the near-field wireless communication IC. | 03-07-2013 |
20130063083 | METHOD FOR TRANSMITTING SIGNALS FROM A PLURALITY OF WIRELESS POWER RECEIVERS TO WIRELESS POWER SUPPLIER - Methods and apparatus are provided for transmission and reception of signals. A signal is received that includes at least one of a power supply signal for wireless charging from a wireless power supplier and a power communication signal from at least one external wireless power receiver. The received signal is analyzed to determine whether the power communication signal is included with the power supply signal in the received signal. A transmission frequency of a transmission signal is determined based on whether the power communication signal is included with the power supply signal in the received signal. Transmission data for control of the wireless charging is modulated, and the modulated transmission data is output as the transmission signal over the transmission frequency. | 03-14-2013 |
20140147338 | All-In-One-Type Continuous Reactor For Preparing Positive Electrode Active Material For Lithium Secondary Battery, And Crystal Separation Apparatus Comprising The Same - The present invention provides an all-in-one type continuous reactor for preparing a positive electrode active material for a lithium secondary battery. The continuous reactor includes a flange unit provided at one side of a cylinder; at least one reactant inlet port provided on the flange unit; a reaction product outlet port provided at the other side of the cylinder; a plurality of extra ports provided between the reactant inlet port and the reaction product outlet port; a temperature control unit disposed between an inner circumferential surface and outer circumferential surface; a pulverizing unit provided in the reactant inlet port; a flow rate sensor provided in at least one of the reactant inlet port; and a flow rate control unit configured to control the flow rate of the reactant. | 05-29-2014 |
Patent application number | Description | Published |
20090106503 | Method, device, and system for preventing refresh starvation in shared memory bank - A multi-port memory device includes a refresh register and a refresh controller for preventing refresh starvation in a shared memory unit of the memory device. The memory device further includes a plurality of ports sharing access to the shared memory unit. The refresh register stores information regarding at least one refresh command. The refresh controller determines whether to activate an internal refresh operation at a transition in port authority according to such information stored in the refresh register. | 04-23-2009 |
20090254698 | MULTI PORT MEMORY DEVICE WITH SHARED MEMORY AREA USING LATCH TYPE MEMORY CELLS AND DRIVING METHOD - A multiport semiconductor memory device includes; first and second port units respectively coupled to first and second processors, first and second dedicated memory area accessed by first and second processors, respectively and implemented using DRAM cells, a shared memory area commonly accessed by the first and second processors via respective first and second port units and implemented using memory cells different from the DRAM cells implementing the first and second dedicated memory areas, and a port connection control unit controlling data path configuration between the shared memory area and the first and second port units to enable data communication between the first and second processors through the shared memory area. | 10-08-2009 |
20110035544 | MULTI-PATH ACCESSIBLE SEMICONDUCTOR MEMORY DEVICE HAVING MAILBOX AREAS AND MAILBOX ACCESS CONTROL METHOD THEREOF - A multipath accessible semiconductor memory device having a mailbox area and a mailbox access control method thereof are provided. The semiconductor memory device includes N number of ports, at least one shared memory area allocated in a memory cell array, and N number of mailbox areas for message communication. The at least one shared memory area is operationally connected to the N number of ports, and is accessible through a plurality of data input/output lines to form a data access path between the at least one shared memory area and one port, having an access right to the at least one memory area, among the N number of ports. The N number of mailbox areas are provided in one-to-one correspondence with the N number of ports and are accessible through the plurality of data input/output lines when an address of a predetermined area of the at least one shared memory area is applied to the semiconductor memory device. An efficient layout of mailboxes and an efficient message access path can be obtained. | 02-10-2011 |
Patent application number | Description | Published |
20100228289 | Bio-flexible spinal fixation apparatus with shape memory alloy - A spinal fixation apparatus has a segment flexible rod for connecting pedicle screws and a transverse link for spacing out the rods, which are made from a shape memory alloy, thereby easily and simply connecting the rods and the pedicle screws. The rods can be easily and simply fit to the misaligned pedicle screw, even if there is a failure of alignment of the pedicle screws in surgery. The transverse link can be easily set up on a pair of the longitudinal rods, even if the longitudinal rods are declined or are not in parallel. | 09-09-2010 |
20100257911 | FLEXIBLE ROD MANUFACTURING APPARATUS AND METHOD FOR A SPINAL FIXATION AND THE FLEXIBLE ROD MANUFACTURED THROUGH THE SAME - The present invention relates to a rod capable of securely connecting pedicle screws in a pedicle screw system for correcting a damaged or transformed spine and a method and an apparatus for fabricating the same and, more particularly, to a flexible pedicle rod with superelasticity in order to provide a flexibility to a fixation between spine segments and a method and an apparatus capable of fabrication the same in mass production. The apparatus according to the present invention comprises a body; an X- and Y-axis moving element mounted on a top surface of the body, the X- and Y-axis moving element simultaneously moving in X-axis and Y-axis directions to wind a material at an angle of 90 degrees; a magazine mounted on the X- and Y-axis moving element to load a material; a material withdrawing element for withdrawing materials one by one from the magazine; and a material molding element mounted on the X- and Y-axis moving element, the material molding element gripping both ends of the material withdrawn from the material withdrawing element and rotating to mold a portion of the material in a spring shape. | 10-14-2010 |
20100262189 | FLEXIBLE ROD MANUFACTURING APPARATUS AND METHOD FOR A SPINAL FIXATION AND THE FLEXIBLE ROD MANUFACTURED THROUGH THE SAME - The present invention relates to a rod capable of securely connecting pedicle screws in a pedicle screw system for correcting a damaged or transformed spine and a method and an apparatus for fabricating the same and, more particularly, to a flexible pedicle rod with superelasticity in order to provide a flexibility to a fixation between spine segments and a method and an apparatus capable of fabrication the same in mass production. The apparatus according to the present invention comprises a body; an X- and | 10-14-2010 |
20100266966 | Methods of forming a pattern using photoresist compositions - A method of forming a pattern and a photoresist composition, the method including forming a photoresist film on a substrate by coating a photoresist composition thereon, the photoresist composition including a polymerized photoresist additive, a polymer including an acid-labile protective group at a side chain, a photoacid generator, and a solvent; exposing the photoresist film; and forming a photoresist pattern by developing the photoresist film using an aqueous alkali developer, wherein the polymerized photoresist additive includes a hydrophilic repeating unit having an aliphatic hydrocarbon backbone and a side chain containing an oxygen heteroatom in a heterocyclic ring substituted with at least three hydroxyl groups, and a hydrophobic repeating unit having an aliphatic hydrocarbon backbone and a side chain containing a fluorinated aliphatic hydrocarbon group. | 10-21-2010 |
20120109305 | Intervertebral cage having flexibility - An intervertebral cage having flexibility is provided wherein a housing itself has a plate spring form having proper elasticity. The housing can have a shape memory characteristic to obtain a modulus of elasticity suitable for differing spinal loads according to each patient, thereby absorbing a shock applied to a spine. A distance between disks is restored by the intervertebral cage to sufficiently secure a disc height, thereby relieving spinal nerve stress. The intervertebral cage may be converted from a simple fusion application into a functional cage adequate for a physiological biomechanics. The flexible intervertebral cage includes a housing having a closed sectional surface with an empty hollow therein. The housing itself has proper elasticity so that it absorbs a load by a stress applied in a vertical direction of a spine by a dynamic motion due to an upright walk of a patient to serve as a normal disk. | 05-03-2012 |
20120136362 | Framework for expanding bone - Provided is a bone expanding framework, which can secures complete reduction of a compressed bone tissue because elevation of the bone tissue is increased by a desired height without shrinking through a characteristic in which a spiral leaf spring having superelasticity is self-set in bone. The framework for expanding bone includes a spiral leaf spring which has a shape in which a thin and long band formed of a metal material is wound in a spiral shape, is inserted into the bone, and is expanded in the bone to reduce elevation of the compressed bone. | 05-31-2012 |
20140163598 | PERCUTANEOUS EXTRAFORAMINOTOMY WITH FORAMINAL LIGAMENT RESECTION AND INSTRUMENT TOOL USED FOR THE SAME - Provided is a percutaneous extraforaminotomy with foraminal ligament resection, which examines various ligaments around intervertebral foramen, artificially expands the intervertebral foramen blocked by adhesive fibrosis through repeated inflammatory reactions using epidural neurolysis or percutaneous extraforaminotomy, transmits chemical materials efficacious in pain treatment to the periphery of nervous branches causing pain through a catheter, and smoothly discharges an inflammatory material existing in spinal canal with the chemical materials through the intervertebral foramen. | 06-12-2014 |