Patent application number | Description | Published |
20090280637 | Method of manufacturing semiconductor device including ultra low dielectric constant layer - Provided is a method of manufacturing a semiconductor device. The method employs multi-step removal on a plurality of different porogens included in a low dielectric layer both before and after metal lines are formed, thereby facilitating formation of an ultra low dielectric constant layer which is used as an insulation layer between metal lines of a semiconductor device. The method may include forming an interlayer dielectric layer on a substrate, forming a plurality of porogens in the interlayer dielectric layer, removing a portion of the plurality of porogens in the interlayer dielectric layer to form a plurality of first pores in the interlayer dielectric layer, forming a wiring pattern where the plurality of first pores are formed, and removing the remaining porogens of the plurality of porogens to form a plurality of second pores in the interlayer dielectric layer. | 11-12-2009 |
20090286453 | Method and apparatus for chemical-mechanical polishing - In accordance with at least one example embodiment, a method of chemical-mechanical polishing includes re-polishing a polished layer on a wafer based on a measured thickness of the polished layer. In accordance with at least one example embodiment, an apparatus for chemical-mechanical polishing may include a thickness measuring unit configured to measure a thickness of a polished surface on a wafer and to determine a re-polishing time based on the measured thickness. In accordance with example embodiments, a thickness deviation between different lots, wafers, or chips inside a wafer is reduced regardless of the durability of a polishing pad, a polishing head, or a disk used in a polishing apparatus. | 11-19-2009 |
20090305438 | Trench isolation method of semiconductor device using chemical mechanical polishing process - A trench isolation method of a semiconductor device includes forming polishing prevention film patterns on a semiconductor substrate, etching the semiconductor device by using the polishing prevention film patterns as masks and forming trenches, and forming conformal insulation films on the semiconductor substrate and the polishing prevention film patterns by burying the trenches. The conformal insulation films are first polished using a first polishing pad by using a slurry including an abrasive having a polishing selection ratio with respect to the polishing prevention film patterns. The first polished conformal insulation films are second polished using a second polishing pad including an abrasive and by using the polishing prevention film patterns as polishing prevention films. | 12-10-2009 |
20090305501 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE USING A CHEMICAL MECHANICAL POLISHING PROCESS - A method of fabricating a semiconductor device by using a chemical-mechanical polishing (CMP) process includes forming an insulating layer on a semiconductor wafer, etching the insulating layer to form via-holes, and forming a conductive layer on the insulating layer to fill the via-holes. The method further includes performing a first polishing process to etch the conductive layer until an upper surface of the insulating layer is exposed,, performing a second polishing process to etch the insulating layer to a predetermined thickness and performing a third polishing process to remove protrusions of the conductive layer. | 12-10-2009 |
20100065919 | Semiconductor Devices Including Multiple Stress Films in Interface Area - A semiconductor substrate includes a first transistor area having a first gate electrode and first source/drain areas, a second transistor area having a second gate electrode and second source/drain areas, and an interface area provided at an interface of the first transistor area and the second transistor area and having a third gate electrode. A first stress film is on the first gate electrode and the first source/drain areas of the first transistor area and at least a portion of the third gate electrode of the interface area. A second stress film is on the second gate electrode and the second source/drain areas of the second transistor area and not overlapping the first stress film on the third gate electrode of the interface area or overlapping at least a portion of the first stress film. The second stress film overlapping at least the portion of the first stress film is thinner than the second stress film in the second transistor area. Related methods are also described. | 03-18-2010 |
Patent application number | Description | Published |
20090015062 | POWER SUPPLY APPARATUS - In a provided power supply unit, a plurality of circuit elements are integrated into a chip, wherein the circuit elements generate one or more output voltages by using an input voltage. Thus, although the number of voltages, which can be generated by the power supply apparatus, is remarkably large, the power supply apparatus can be miniaturized. In addition, an apparatus, in which the power supply apparatus is installed, can be miniaturized. | 01-15-2009 |
20100080604 | IMAGE FORMING APPARATUS TO CONTROL NOISE AND METHOD THEREOF - Provided is an image forming apparatus and a method of controlling the same. When an external power is supplied to a heating resistance member of a fusing unit in the image forming apparatus that is in a standby mode, a power supply unit supplies an internal power to a different load (for example, an exposure unit, a developing unit, or a transfer unit) in one or more time sections so as to supply the internal power to the load at a continuously changing operating frequency. | 04-01-2010 |
20100172672 | High voltage power supply apparatus - A high voltage power supply apparatus comprising a first circuit disposed on a prepared substrate, and for receiving a first voltage and generating a second voltage that is previously set according to the first voltage, and a second circuit for amplifying and rectifying the second voltage to generate a plurality of high voltage signals, wherein the first circuit and the second circuit are embodied as a single module, wherein at least a portion of the single module is surrounded by an insulator. | 07-08-2010 |
20120146516 | SYSTEM FOR MANUFACTURING POWER SUPPLY UNIT AND METHOD FOR MANUFACTURING POWER SUPPLY UNIT, AND FLICKER MEASUREMENT APPARATUS - A method of manufacturing a power supply unit (PSU) is provided. The method includes providing at least one PSU supplying a dimming signal to at least one light source, performing a first test for electrical characteristics of the at least one PSU, detecting light emitted from the at least one light source, measuring a flicker of the at least one light source, and performing a second test for a state of the at least one PSU based on a flicker measurement result, and packing a PSU determined to be in a normal state among the at least one PSU, as a result of the first test and the second test. | 06-14-2012 |
20120146622 | TEST APPARATUS FOR POWER SUPPLY UNIT - A test apparatus for a power supply unit is provided, which includes a body unit configured to define a space to receive a light emitting diode (LED) and to provide a test environment to test a supply state of power applied to the LED; and a test unit mounted in the body unit to face the LED and configured to detect flicker of the LED occurring when a power supply is abnormal. According to the foregoing structure, power supply with respect to the LED may be regularly detected and analyzed, thereby increasing quality of power supply with respect to the LED. | 06-14-2012 |
20130016990 | POWER SUPPLY APPARATUS AND METHOD OF SUPPLYING POWER - A power supply apparatus, an apparatus, and a method of supplying power are provided. The power supply apparatus including a high voltage generating unit, which generates one or more output voltages by using an input voltage, and which is implemented as a chip. The one or more output terminals are on a same circuit board as the high voltage generating unit, to output the generated one or more output voltages. The chip includes a transforming unit to transform the input voltage into one or more transformed voltages that are different from one another, and a rectifying unit to rectify the transformed voltages into rectified voltages, and to determine the rectified voltages as the generated one or more output voltages. | 01-17-2013 |
20140049187 | SYSTEM FOR MANUFACTURING POWER SUPPLY UNIT AND METHOD FOR MANUFACTURING SUPPLY UNIT, AND FLICKER MEASUREMENT APPARATUS - A method of manufacturing a power supply unit (PSU) is provided. The method includes providing at least one PSU supplying a dimming signal to at least one light source, performing a first test for electrical characteristics of the at least one PSU, detecting light emitted from the at least one light source, measuring a flicker of the at least one light source, and performing a second test for a state of the at least one PSU based on a flicker measurement result, and packing a PSU determined to be in a normal state among the at least one PSU, as a result of the first test and the second test. | 02-20-2014 |
20150109802 | LED LIGHTING DEVICE - A light-emitting diode (LED) lighting device includes a cover member that is configured to expose a protruding portion of a connection terminal when pressure is applied to the cover member and to cover the protruding portion of the connection terminal when the pressure is removed. Thus, an electric and/or mechanical safety problem caused by the connection terminal that is exposed to the outside may be reduced. | 04-23-2015 |
Patent application number | Description | Published |
20130036300 | METHOD OF FIXING ERROR OF BOOT IMAGE FOR FAST BOOTING AND IMAGE FORMING APPARATUS FOR PERFORMING THE METHOD - A method of fixing an error of a boot image for fast booting an image forming apparatus. In the method, if a boot image stored in the image forming apparatus has an error, the boot image is deleted, and the error is fixed by replacing the boot image with a backup of the boot image or generating a new boot image. | 02-07-2013 |
20130042097 | METHOD OF UPDATING BOOT IMAGE FOR FAST BOOTING AND IMAGE FORMING APPARATUS FOR PERFORMING THE METHOD - A method of updating a boot image for fast booting an image forming apparatus. In the method, when a request for changing software installed in the image forming apparatus is received, a boot image is deleted from the image forming apparatus and the boot image is re-generated by rebooting the image forming apparatus. | 02-14-2013 |
20130042098 | METHOD OF GENERATING BOOT IMAGE FOR FAST BOOTING AND IMAGE FORMING APPARATUS FOR PERFORMING THE METHOD, AND METHOD OF PERFORMING FAST BOOTING AND IMAGE FORMING APPARATUS FOR PERFORMING THE METHOD - A method of generating a boot image for fast booting an image forming apparatus. In the method, a boot image is generated to contain information regarding a system state after processes that are not used to execute an operating system and at least one application are terminated. Then, the image forming apparatus is fast booted using the boot image. | 02-14-2013 |
20140129820 | METHOD OF UPDATING BOOT IMAGE FOR FAST BOOTING AND IMAGE FORMING APPARATUS FOR PERFORMING THE SAME - An image forming apparatus for updating a boot image for fast booting includes an interface unit to receive a new version of firmware to update a previous version of firmware installed in the image forming apparatus, a non-volatile memory to store a first boot image that is a previous version for the fast booting, and a processor updating a boot image by controlling the stored first boot image to be replaced with a second boot image that is a new version when the received new version of firmware includes the second boot image. | 05-08-2014 |
Patent application number | Description | Published |
20080312912 | AUDIO SIGNAL ENCODING/DECODING METHOD AND APPARATUS - Provided is an audio signal encoding method including transforming an input signal from a time domain to a time/frequency domain using a first transformation method, extracting a stereo parameter from a signal of the time/frequency domain, encoding the stereo parameter, and down-mixing the signal of the time/frequency domain, transforming each of sub-bands of the down-mixed signal to a frequency domain by using a second transformation method, and encoding the signal of the frequency domain in the frequency domain. | 12-18-2008 |
20110320196 | METHOD FOR ENCODING AND DECODING AN AUDIO SIGNAL AND APPARATUS FOR SAME - A method for coding and decoding an audio signal or speech signal and an apparatus adopting the method are provided. | 12-29-2011 |
20120010891 | APPARATUS AND METHOD FOR ENCODING/DECODING MULTICHANNEL SIGNAL - An apparatus and method for encoding/decoding a multi-channel signal may be provided. The apparatus of encoding a multi-channel signal may insert information about whether to encode a phase parameter indicating phase information of a plurality of channels, included in the multi-channel signal, in a bitstream of the multi-channel signal. The apparatus of decoding a multi-channel signal may determine whether to up-mix a mono signal using the phase parameter based on the information about whether to encode. | 01-12-2012 |
20120065753 | AUDIO SIGNAL ENCODING AND DECODING METHOD, AND APPARATUS FOR SAME - A method for performing coding and decoding with respect to an audio signal or a speech signal, and an apparatus applying the method are provided. | 03-15-2012 |
20120278089 | ERROR CONCEALMENT METHOD AND APPARATUS FOR AUDIO SIGNAL AND DECODING METHOD AND APPARATUS FOR AUDIO SIGNAL USING THE SAME - An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme. | 11-01-2012 |
20120294447 | APPARATUS AND METHOD FOR ENCODING/DECODING MULTICHANNEL SIGNAL - An apparatus and method for encoding/decoding a multi-channel signal may be provided. The apparatus of encoding a multi-channel signal may insert information about whether to encode a phase parameter indicating phase information of a plurality of channels, included in the multi-channel signal, in a bitstream of the multi-channel signal. The apparatus of decoding a multi-channel signal may determine whether to up-mix a mono signal using the phase parameter based on the information about whether to encode. | 11-22-2012 |
20130297322 | ERROR CONCEALMENT METHOD AND APPARATUS FOR AUDIO SIGNAL AND DECODING METHOD AND APPARATUS FOR AUDIO SIGNAL USING THE SAME - An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme. | 11-07-2013 |
20150120309 | ERROR CONCEALMENT METHOD AND APPARATUS FOR AUDIO SIGNAL AND DECODING METHOD AND APPARATUS FOR AUDIO SIGNAL USING THE SAME - An error concealment method and apparatus for an audio signal and a decoding method and apparatus for an audio signal using the error concealment method and apparatus. The error concealment method includes selecting one of an error concealment in a frequency domain and an error concealment in a time domain as an error concealment scheme for a current frame based on a predetermined criteria when an error occurs in the current frame, selecting one of a repetition scheme and an interpolation scheme in the frequency domain as the error concealment scheme for the current frame based on a predetermined criteria when the error concealment in the frequency domain is selected, and concealing the error of the current frame using the selected scheme. | 04-30-2015 |
20150154975 | METHOD FOR ENCODING AND DECODING AN AUDIO SIGNAL AND APPARATUS FOR SAME - A method for coding and decoding an audio signal or speech signal and an apparatus adopting the method are provided. | 06-04-2015 |
20150199972 | APPARATUS AND METHOD FOR ENCODING/DECODING MULTICHANNEL SIGNAL - An apparatus and method for encoding/decoding a multi-channel signal may be provided. The apparatus of encoding a multi-channel signal may insert information about whether to encode a phase parameter indicating phase information of a plurality of channels, included in the multi-channel signal, in a bitstream of the multi-channel signal. The apparatus of decoding a multi-channel signal may determine whether to up-mix a mono signal using the phase parameter based on the information about whether to encode. | 07-16-2015 |
Patent application number | Description | Published |
20090197527 | SERVICE RELAY DEVICE, SERVICE RECEIVER FOR RECEIVING THE RELAYED SERVICE SIGNAL, AND METHODS THEREOF - A service relay device is provided. The service relay device includes a receiving unit which receives a service signal, and a service processing unit which changes information regarding an order of changing frequency channels included in the received service signal, using replacement frequency channels, and broadcasts the service signal. The service processing unit includes a detecting unit which detects the information regarding the order of changing frequency channels, a storage unit which stores information regarding replacement frequency channels, an information processing unit which replaces the information regarding the order of changing frequency channels, using the replacement frequency channels stored in the storage unit, and a relay unit which broadcasts a service signal. As a result, service signals are provided stably even in the fringe area. | 08-06-2009 |
20090296624 | METHOD AND APPARATUS FOR TRANSMITTING BROADCAST, METHOD AND APPARATUS FOR RECEIVING BROADCAST - Provided are a method and apparatus for transporting a broadcast and a method and apparatus for receiving a broadcast. In the method of transporting a broadcast service for mobile communications, the method includes generating an encapsulation packet including configuration information adaptive to application data that is to be transmitted and the application data; generating transport packets having data regarding the encapsulation packet by dividing the encapsulation packet into predetermined-sized packets, where the transport packets include information regarding the structures of the transport packets; and generating service configuration information including information set about a channel having the transport packets, and including the service configuration information in a service information channel at a predetermined location from among at least one transport channel on a transport stream. Accordingly, it is possible to efficiently use a data region and increase the speed of data transmission. | 12-03-2009 |
20100002802 | OFDM TRANSMITTING AND RECEIVING SYSTEMS AND METHODS THEREOF - An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated. | 01-07-2010 |
20100118994 | DIGITAL TRANSMISSION SYSTEM FOR TRANSMITTING ADDITIONAL DATA AND METHOD THEREOF - A digital transmission system is disclosed. The system includes a transmission signal generation unit which generates a transmission signal in which data to be transmitted is carried by a carrier wave, and an additional data process unit which processes so that a low power signal to represent additional data is carried by the carrier wave. The system is embodied as an orthogonal frequency division multiplexing (OFDM) system such as a digital video broadcast-video (DVB-V), and a single carrier system such as a vestigial sideband modulation (VSB). Accordingly, additional data are efficiently transmitted without degrading transmission quality of main data. | 05-13-2010 |
20100296001 | DIGITAL BROADCAST TRANSMITTER, DIGITAL BROADCAST RECEIVER, AND METHODS FOR CONFIGURING AND PROCESSING STREAMS THEREOF - A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways. | 11-25-2010 |
20100296424 | DIGITAL BROADCAST TRANSMITTER, DIGITAL BROADCAST RECEIVER, AND METHODS FOR CONFIGURING AND PROCESSING STREAMS THEREOF - A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including second mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the second mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways. | 11-25-2010 |
20100296506 | DIGITAL BROADCAST TRANSMITTER, DIGITAL BROADCAST RECEIVER, AND METHODS FOR CONFIGURING AND PROCESSING STREAMS THEREOF - A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways. | 11-25-2010 |
20110267209 | TRELLIS ENCODER AND TRELLIS ENCODING DEVICE HAVING THE SAME - A trellis encoding device includes a plurality of trellis encoders to perform trellis-encoding of a transport stream into which a supplementary reference signal (SRS) has been inserted, and performs a memory reset in a region that precedes an SRS; and a parity compensation unit to compensate for parities of the transport stream in accordance with values stored in memories included in the trellis encoders. The plurality of trellis encoders may be implemented in diverse types. The trellis encoding device can perform a memory reset selectively using the stored value of the memory and the inverted value thereof, or selectively using the stored value of the memory and a fixed value. By properly resetting the memory in processing the transport stream into which the SRS has been inserted, DC offset can be reduced. | 11-03-2011 |
20120063407 | DIGITAL BROADCASTING TRANSMITTER, DIGITAL BROADCASTING RECEIVER, AND METHODS FOR CONFIGURING AND PROCESSING A STREAM FOR SAME - The method for transporting a digital broadcast stream includes: receiving a transport stream, including mobile broadcast data that is placed in at least a part of a normal data area allocated to normal data and signaling data that includes an FIC chunk header with a variable length; decoding the signaling data; and decoding the mobile data using the decoded signaling data. | 03-15-2012 |
20120236922 | DIGITAL BROADCASTING TRANSMITTER, DIGITAL BROADCASTING RECEIVER, AND METHOD FOR COMPOSING AND PROCESSING STREAMS THEREOF - Disclosed is a method of processing a stream of a digital broadcasting receiver. The method comprises: arranging at least one of new mobile data and known data in at least a portion of an existing mobile data region and in at least a portion of a normal data region, in a stream which includes the normal data region and the existing mobile data region; and composing a transmission stream where at least one of the new mobile data and the known data is arranged, and wherein the arranging combines a block of data arranged in the existing mobile data region and a block of the new mobile data in the stream, and performs serially concatenated convolution code (SCCC) coding on the combined blocks. | 09-20-2012 |
20140334562 | OFDM TRANSMITTING AND RECEIVING SYSTEMS AND METHODS THEREOF - An orthogonal frequency division multiplexing (OFDM) transmission system is provided which includes a data processing unit which generates a transmission signal using a plurality of tones including a reserved tone, a storage unit which stores Peak Reduction Kernel information according to the type of data symbol, and a compensation unit which retrieves the Peak Reduction Kernel information according to the type of data symbol from the storage unit and causes the retrieved information to be carried by the reserved tone included in the transmission signal. Therefore, a Peak-to-Average Power Ratio (PAPR) can be efficiently compensated. | 11-13-2014 |