Patent application number | Description | Published |
20090098842 | SIGNAL RECEIVING APPARATUS AND CONTROL METHOD THEREOF - A signal receiving apparatus includes: a receiver which receives at least two types of broadcasting signals included in a plurality of channels; and a controller which controls the receiver to search a current channel according to one type of a broadcasting signal used for a previous channel search and to search a current channel according to another type of a broadcasting signal if the channel is not searched, to thereby set an automatic channel. | 04-16-2009 |
20110025856 | ELECTRONIC APPARATUS, REMOTE CONTROLLER AND ERROR DETECTING METHOD - The electronic apparatus includes; a user interface which generates a module mapping signal corresponding to one of the driving modules; a controller which determines whether an error has occurred in the driving module and an error warning unit which warns a user if it is determined that the driving module has an error. A remote controller includes a user selection unit through which a user individually selects a driving module and a communicating unit which outputs a module mapping signal corresponding to the driving module selected by a user. | 02-03-2011 |
20130169766 | DISPLAY APPARATUS, AND REMOTE CONTROL APPARATUS FOR CONTROLLING THE SAME AND CONTROLLING METHODS THEREOF - A display apparatus, a control method thereof, a remote control apparatus, and a control method thereof are provided. The display apparatus includes: a display unit which outputs a plurality of content views using a plurality of image frames; a remote control signal receiver which receives a control command from a remote control apparatus; and a controller which, if a control command to control one content view from among the plurality of content views is received, selectively performs an operation from among control operation corresponding to the control command and an outputting operation to output a message notifying an input of the control command in accordance with a type of the received control command. | 07-04-2013 |
20140253816 | DISPLAY APPARATUS, AND REMOTE CONTROL APPARATUS FOR CONTROLLING THE SAME AND CONTROLLING METHODS THEREOF - A display apparatus and a display method are provided. The display apparatus includes: a receiver configured to receive a plurality of contents; a signal processor configured to obtain image frames by processing the received plurality of contents; a display configured to output a plurality of content views including a first content view and a second content view by sequentially outputting the obtained image frames; a remote control signal receiver configured to receive a control command from a remote control apparatus; and a controller configured to, when the received control command is to control the first content view, determine whether the received control command is a control command that has an influence on the second content view. | 09-11-2014 |
20140340323 | Input apparatus, display apparatus and control method thereof - An input apparatus, a display apparatus and a control method thereof are provided. The input apparatus includes a communication transceiver which is configured to communicate with the display apparatus; a touch sensor which is configured to receive a touch input; and a controller which is configured to divide an input area of the touch sensor into a plurality of areas, and in response to the touch sensor receiving a touch input that ends in at least one setting area of the plurality of areas, sense a change in one of coordinate values X and Y with respect to the received touch input, and control the communication transceiver to transmit a command to the display apparatus corresponding to the sensed change. | 11-20-2014 |
Patent application number | Description | Published |
20080293420 | APPARATUS AND METHOD FOR REGISTRATION OF MOBILE STATION TO COMPACT BASE STATION USING RFID IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for registration of a Mobile Station (MS) to a compact Base Station (BS) using Radio Frequency IDentification (RFID) in a broadband wireless communication system are provided. The method includes receiving RFID tag information of the MS from an RFID receiver, determining whether the MS is a service registration mobile station using the received RFID tag information, and if the MS is a service registration mobile station, performing a serving BS change into the compact BS for the MS and then initiating a service for the MS. | 11-27-2008 |
20090325592 | APPARATUS AND METHOD FOR DETERMINING A POSITION OF A COMPACT BASE STATION BY USING USER SUPPLIED LOCATION INFORMATION IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - An apparatus and method for determining a position of a compact Base Station (BS) by using user supplied location information in a broadband wireless communication system are provided. The method includes receiving a Global Positioning System (GPS) signal using a GPS receiver, receiving location information supplied by a user, comparing a strength of the GPS signal with a threshold, if the strength of the GPS signal is greater than the threshold, obtaining position information of the BS using the GPS signal, and if the strength to the GPS signal is less than or equal to the threshold, obtaining the position information of the BS using the location information. | 12-31-2009 |
20100040000 | Apparatus and method for allocating preamble index of self configuration base station in broadband wireless communication system - Provided is an apparatus and method for allocating a preamble index of a Self-Configuration or Self-Configurable (SC) Base Station (BS) in a broadband wireless communication system. An SC BS apparatus in a broadband wireless communication system includes a detector, a controller, and a generator. The detector detects at least one preamble signal for preamble index allocation by using a signal received from at least one other BS. The controller requests information used by at least one other SC BS for preamble index allocation and allocates a preamble index for the SC BS by using the detection result of the preamble signal and the information received from the at least one other SC BS. The generator generates a preamble signal corresponding to the preamble index allocated by the controller. | 02-18-2010 |
20100202282 | Method and apparatus for ranging in Broadband wireless access communication system - An apparatus and operation method of a Mobile Station (MS) for ranging in a broadband wireless access communication system includes receiving information for ranging code hopping from a Base Station (BS). The MS determines a hopping offset value that is a start of a ranging codes group using the information for ranging code hopping. The MS also determines a ranging codes group using the hopping offset value, and randomly selects at least one or more ranging codes among the determined ranging codes group and transmitting the selected ranging codes to the BS. | 08-12-2010 |
20100254279 | APPARATUS AND METHOD FOR TRANSMITTING LOAD INDICATOR IN A BROADBAND WIRELESS COMMUNICATION SYSTEM - A method and apparatus for providing load state information of a Base Station (BS) in a broadband wireless communication system are provided. The method includes determining a ratio of a whole allocated resource compared to a whole resource of the BS and a ratio of a resource allocated for a rate requiring security compared to the whole resource, generating at least one load indicator for indicating a first value expressing the ratio of the whole allocated resource and a second value expressing the ratio of the resource allocated for the rate requiring security, and transmitting the at least one load indicator. | 10-07-2010 |
20110044285 | Apparatus and method for handover optimization in broadband wireless communication system - A method and apparatus optimize handover optimization in a broadband wireless communication system. Operations of a base station includes determining whether at least one of a plurality of time intervals included in a total time taken by handover, exceeds a threshold time. Whether to advance or delay a handover point is determined based on which at least one of the time interval exceeds the threshold time. And at least one handover parameter is changed to advance or delay the handover point. | 02-24-2011 |
Patent application number | Description | Published |
20110122516 | LENS TRANSFERRING DEVICE - Provided is a lens transferring device including a lens mounting member to which at least one lens is installed; a guiding member that guides movement of the lens mounting member; a driver that moves the lens mounting member and includes a lead screw; an operation member installation unit that is formed at an end of the lens mounting member; an operation member that includes a screw unit contacting the lead screw, an installation unit installed to the operation member installation unit, and a connection unit connecting the screw unit and the installation unit; and an elastic member including a first end that contacts the installation unit and a second end that contacts the operation member installation unit, wherein a first propping member that contacts a portion of the installation unit and prevents tilting of the operation member is formed on the operation member installation unit. | 05-26-2011 |
20110133602 | PIEZOELECTRIC MOTOR - Provided is a piezoelectric motor including: a stator which includes first and second faces, wherein a plurality of piezoelectric elements are arranged on the first face, and a plurality of protrusions are formed on the second face; a rotor which is rotated by motions of waves of the stator generated by the piezoelectric elements; and a driver device which applies driving voltages to the piezoelectric elements, wherein polarization directions of the plurality of piezoelectric elements are vertical to a rotary face of the rotor. | 06-09-2011 |
20120082447 | LIGHT PATH ADJUSTMENT APPARATUS AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME - A light path adjustment apparatus includes a support plate that has a first through hole through which light passes and optical units that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole. The optical units block at least a part of the light in the closing location. | 04-05-2012 |
20120104899 | VIBRATING ACTUATOR ASSEMBLY - A vibrating actuator assembly includes a diaphragm, at least one vibrator at the diaphragm and that vibrates when an electric signal is applied thereto, a vibration shaft having one end connected to the diaphragm, a rotor on an outer side of the vibration shaft to contact an outer surface of the vibration shaft and that moves by vibration of the vibration shaft, and an elastic presser at another end of the vibration shaft and that elastically presses the rotor toward the diaphragm. | 05-03-2012 |
20120122324 | CIRCUIT CONNECTION ASSEMBLY - A circuit connection structure is disclosed. A disclosed example circuit connection structure includes circuit board including a plurality of connection terminals; a housing for supporting the circuit board; and a circuit supporting unit including a plurality of circuit patterns on a surface thereof, formed of an electrical insulating material, and coupled to the housing so that the circuit patterns contact the connection terminals. | 05-17-2012 |
20120153110 | APPARATUS FOR TRANSFERRING OPTICAL ELEMENT INCLUDING BRAKE - An apparatus for transferring an optical element, the apparatus including: a support portion for supporting the optical element; a guide portion for guiding the support portion to move in a rectilinear direction; a brake disposed between a first position that contacts the support portion and restricts a movement of the support portion, and a second position that is spaced apart from the support portion and allows the movement of the support portion to change a position thereof; and a driving portion for driving the brake. | 06-21-2012 |
20130057975 | POSITION DETECTING APPARATUS AND LENS BARREL ASSEMBLY INCLUDING THE SAME - Position detecting apparatus that has a high detecting precision and a lens barrel assembly including the same are disclosed. A position detecting apparatus is provided that includes a base; a magnetic scale spaced apart from the base by a first predetermined distance and movable in a first direction; a first adjustment portion coupled to the base to adjust a second distance from the base; and a sensor rotatably coupled to the first adjustment portion and that senses a change in a position of the magnetic scale. | 03-07-2013 |
20130258056 | OPTICAL PATH ADJUSTING DEVICE AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME - An optical adjusting device includes: a rotating unit that includes and rotates about a through-hole through which light passes; at least one moving unit that is movably disposed relative to the rotating unit and is linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole; a transmitting unit that is disposed between the rotating unit and the moving unit and transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole. | 10-03-2013 |
20140168373 | LIGHT PATH ADJUSTMENT APPARATUS AND PHOTOGRAPHING APPARATUS INCLUDING THE SAME - A light path adjustment apparatus includes: a support plate with a first through hole through which light passes; a plurality of optical units, including first and second optical units, that move between an open location where the first through hole is opened by the optical units moving toward an outside of the first through hole and a closing location where the first through hole is divided into a plurality of regions by the plurality of optical units moving toward the first through hole and blocking at least a part of the light; and a rotation plate that has a second through hole corresponding to the first through hole and is rotatably disposed with respect to the support plate. The first and second optical units correspond to first and second regions of the first through hole, respectively, and are coupled to the support plate and the rotation plate, respectively. | 06-19-2014 |
20150015462 | DISPLAY APPARATUS AND DISPLAY METHOD THEREOF - A display apparatus and a display method of a display apparatus to which a 3D display film is attachable are provided. The display method according to various exemplary embodiments of the present general inventive concept includes sensing whether a 3D display film is attached to or detached from a display apparatus, automatically converting the display apparatus into a 3D mode when the 3D display film is attached to cover a display unit of the display apparatus, and automatically converting into a normal mode when the 3D display film is detached from the display apparatus. | 01-15-2015 |
Patent application number | Description | Published |
20120163855 | DEVELOPING DEVICE OF IMAGE FORMING APPARATUS - An image forming apparatus having an improved configuration to prevent foreign substances from accumulating on a space maintaining member used to maintain a constant distance between a photoconductor and a developer delivery member. The image forming apparatus includes a photoconductor, a developer delivery member to deliver and feed developer to the photoconductor, a cleaning member to remove the developer and foreign substances remaining on a surface of the photoconductor while coming into contact with the photoconductor, and a space maintaining member arranged to come into contact with the photoconductor so as to maintain a constant developing gap or developing nip between the photoconductor and the developer delivery member. The space maintaining member is located between both ends of the cleaning member. | 06-28-2012 |
20120177400 | PROCESS CARTRIDGE AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus includes a photoconductor unit, a developing unit to feed a developer to a photoconductor of the photoconductor unit, the developing unit being provided rotatable relative to the photoconductor unit, and a link unit to allow a charging roller of the photoconductor unit to come into contact with or be separated from a photoconductor while in linkage with rotation of the developing unit. | 07-12-2012 |
20130129381 | IMAGE FORMING APPARATUS - An image forming apparatus includes a main body of the image forming apparatus; a developing cartridge that is detachably disposed in the main body and includes an image carrier; a charging roller that is disposed to face the image carrier in the developing cartridge and charges a surface of the image carrier; a charging roller separating unit that moves the charging roller between a first position in which the charging roller is in contact with the image carrier and a second position in which the charging roller is spaced apart from the image carrier; and a paper feeding cassette detachably disposed in the main body; wherein when the paper feeding cassette is first mounted, the charging roller is fixed in the second position by the charging roller separating unit. | 05-23-2013 |
20140205318 | ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS - An electrophotographic image forming apparatus is provided including a body including an opening and a first coupler, a photoreceptor cartridge including a second coupler connected to the first coupler, a first gear connected to the second coupler, and a mounting portion, and attached to or detached from the body through the opening; and a development cartridge including a second gear connected to the first gear and attached or detached from the mounting portion through the opening while the photoreceptor cartridge is mounted in the body. | 07-24-2014 |
20140205321 | ELECTROPHOTOGRAPHIC IMAGE FORMING APPARATUS AND DEVELOPMENT CARTRIDGE - An electrophotographic image forming apparatus and a development cartridge are provided. The electrophotographic image forming apparatus including a body including an opening, a photoreceptor cartridge attached to, or detached from, the body through the opening, and including a mounting portion, and a development cartridge attached to, or detached from, the mounting portion through the opening while the photoreceptor cartridge is mounted in the body. The mounting portion includes first and second guide rails, and both side portions of the development cartridge respectively include first and second guide protrusions having different protrusion amounts from the both side portions to be respectively guided by the first and second guide rails. | 07-24-2014 |
20140341610 | DEVELOPING UNIT AND IMAGE FORMING APPARATUS HAVING THE SAME - A developing unit mounted on an image forming apparatus is provided. The developing unit includes a housing, a developing agent storage chamber that is provided inside the housing and in which a developing agent is stored, a developing chamber that communicates with the developing agent storage chamber, a path on which the developing agent is moved from the developing agent storage chamber to the developing chamber, and an opening/closing unit that is provided on the path and is open/closed while interlocking with an operation of mounting the housing on the image forming apparatus. Thus, a leakage of the developing agent can be prevented, and detachment of the developing unit can be easily performed. | 11-20-2014 |
Patent application number | Description | Published |
20100215216 | Localization system and method - Disclosed herein is a localization system and method to recognize the location of an autonomous mobile platform. In order to recognize the location of the autonomous mobile platform, a beacon (three-dimensional structure) having a recognizable image pattern is disposed at a location desired by a user, the mobile platform which knows image pattern information of the beacon photographs the image of the beacon and finds and analyzes a pattern to be recognized from the photographed image. A relative distance and a relative angle of the mobile platform are computed using the analysis of the pattern such that the location of the mobile platform is accurately recognized. | 08-26-2010 |
20100287717 | Autonomous cleaning machine - Disclosed herein is an autonomous cleaning machine with a brush cleaning unit to clean a brush unit. The autonomous cleaning machine includes a main body, the brush unit rotatably provided on the main body, first brush cleaning members contacting the brush unit to move foreign substances wound on the brush unit in a lengthwise direction of the brush unit, and second brush cleaning members contacting the brush unit to remove the foreign substances wound on the brush unit from the brush unit. | 11-18-2010 |
20100288307 | Robot cleaner and method for controlling the same - A robot cleaner to perform a cleaning process by changing a traveling pattern according to a cleaning start position and a method for controlling the same are disclosed. The robot cleaner recognizes a current position of the robot cleaner upon receiving the automatic cleaning command. If the automatic cleaning process starts from the charger, the robot cleaner performs the automatic cleaning process using a conventional cleaning method. Otherwise, if the automatic cleaning process starts from the outside of the charger, the robot cleaner changes a traveling pattern, performs the spot cleaning process and then selectively performs the automatic cleaning process. | 11-18-2010 |
20100292839 | Mobile robot system and method of controlling the same - Disclosed herein are a mobile robot system to restrict a traveling region of a robot and to guide the robot to another region, and a method of controlling the same. Only when a remote controller reception module of a beacon senses a signal transmitted from a mobile robot, the sensed result is reported to the mobile robot in the form of a response signal. In addition, the Field-of-View (FOV) of the remote control reception module is restricted by a directivity receiver. Only when the signal transmitted from the mobile robot is sensed within the restricted FOV, the sensed result is reported to the mobile robot. | 11-18-2010 |
20100313364 | Robot cleaner and control method thereof - Disclosed herein are a robot cleaner having an improved travel pattern and a control method thereof. The robot cleaner performs cleaning using zigzag travel as a basic cleaning traveling manner, and then performs cleaning using random travel as a finishing cleaning traveling manner so as to clean areas skipped during the zigzag travel. The robot cleaner performs the zigzag travel while maintaining a designated interval with a travel route proceeding to a wall regardless of a direction proceeding to the wall, and employs an improved zigzag travel method to maintain a zigzag travel pattern, if the robot cleaner senses an obstacle during the zigzag travel. | 12-16-2010 |
20100324734 | ROBOT CLEANER AND METHOD OF CONTROLLING TRAVEL OF THE SAME - A robot cleaner that travels straight through alignment of drive wheels to move the robot cleaner and a method of controlling travel of the same. Information related to a movement angle of the robot cleaner is detected from angle information of a caster wheel rotating depending upon a state of a floor, such as a carpet in a state in which texture of the carpet occurs in one direction, and, when the movement angle of the robot cleaner deviates due to slippages of the drive wheels, rates of rotation of the drive wheels are adjusted to correct the slippages of the drive wheels such that the robot cleaner easily travels straight. | 12-23-2010 |
20100324736 | Robot cleaner, docking station, robot cleaner system including robot cleaner and docking station, and method of controlling robot cleaner - A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area. | 12-23-2010 |
20110118928 | Control method of performing rotational traveling of robot cleaner - Disclosed herein is a control method of a robot cleaner in which a robot cleaner is moved at an arbitrary starting angle along a rotation trajectory having an arbitrary rotational center and rotation radius during obstacle-following traveling, whereby an obstacle-following traveling time is reduced and consequently, a movement time of the robot cleaner is reduced. | 05-19-2011 |
20110236026 | Robot cleaner, docking station, robot cleaner system including robot cleaner and docking station, and method of controlling robot cleaner - A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area. | 09-29-2011 |
20110238214 | Robot cleaner, docking station, robot cleaner system including robot cleaner and docking station, and method of controlling robot cleaner - A robot cleaner system is described including a docking station to form a docking area within a predetermined angle range of a front side thereof, to form docking guide areas which do not overlap each other on the left and right sides of the docking area, and to transmit a docking guide signal such that the docking guide areas are distinguished as a first docking guide area and a second docking guide area according to an arrival distance of the docking guide signal. The robot cleaner system also includes a robot cleaner to move to the docking area along a boundary between the first docking guide area and the second docking guide area when the docking guide signal is sensed and to move along the docking area so as to perform docking when reaching the docking area. | 09-29-2011 |
20110278082 | SENSING SYSTEM AND MOVING ROBOT HAVING THE SAME - A moving robot includes a sensing system. The moving robot includes light sources generating light, an optical guide to receive, diffuse, and emit the light generated from the light source, and light receiving sensors to receive the light emitted from the optical guide and then reflected by the object. Light irradiated from the light sources is diffused and emitted to a wide region through the optical guide, thereby allowing light to be emitted to the wide region with a small number of the light sources. | 11-17-2011 |
20120079670 | Dust inflow sensing unit and robot cleaner having the same - A dust inflow sensing unit and a robot cleaner having the same. The dust inflow sensing unit includes a light emitting element to emit a beam having a transmission region, a light receiving element having a reception region overlapping the transmission region of the light emitting element, and a guide member to restrict the reception region of the light receiving element to a designated range until the reception region reaches the light emitting element. | 04-05-2012 |
20130227801 | CLEANING APPARATUS - A cleaning apparatus including a main body, a dust collection unit detachably installed on the main body and provided with a plurality of inlets, through which foreign substances are introduced into the dust collection unit, and a connection hole, to which an external instrument is connected, a shutter to open and close one inlet, and a cap to open and close the connection hole. The shutter opens and closes the inlet in cooperation with one of whether or not the dust collection unit is attached to or detached from the main body and whether or not the connection hole is opened or closed. | 09-05-2013 |
20130232703 | AUTONOMOUS CLEANING MACHINE - Disclosed herein is an autonomous cleaning machine with a brush cleaning unit to clean a brush unit. The autonomous cleaning machine includes a main body, the brush unit rotatably provided on the main body, first brush cleaning members contacting the brush unit to move foreign substances wound on the brush unit in a lengthwise direction of the brush unit, and second brush cleaning members contacting the brush unit to remove the foreign substances wound on the brush unit from the brush unit. | 09-12-2013 |
20140034086 | ROBOT CLEANER AND METHOD FOR CONTROLLING THE SAME - A robot cleaner to perform a cleaning process by changing a traveling pattern according to a cleaning start position and a method for controlling the same are disclosed. The robot cleaner recognizes a current position of the robot cleaner upon receiving the automatic cleaning command. If the automatic cleaning process starts from the charger, the robot cleaner performs the automatic cleaning process using a conventional cleaning method. Otherwise, if the automatic cleaning process starts from the outside of the charger, the robot cleaner changes a traveling pattern, performs the spot cleaning process and then selectively performs the automatic cleaning process. | 02-06-2014 |
20140130289 | ROBOT CLEANER - A robot cleaner enables a wet cleaning, has a replaceable cleaning unit, and ensures a sufficient friction force for doing a wet cleaning of a floor. The robot cleaner includes a frame including a wheel for driving, a replaceable cleaning unit formed at a lower part of the frame to clean a bottom surface and disposed in front of the wheel, a tank disposed at an upper part of the wheel and configured to supply fluid to the cleaning unit, a pump configured to pump the fluid contained in the tank such that the fluid contained in the tank is supplied to the cleaning unit, a hose configured to extend to the pump and the upper part of the cleaning unit and through which the fluid pumped by the pump flows, and a bumper formed on a side of the frame. | 05-15-2014 |
20140156071 | MOBILE ROBOT SYSTEM AND METHOD OF CONTROLLING THE SAME - A method of controlling a mobile robot system is provided. The method includes at a mobile robot, transmitting a signal while traveling in a traveling region, at a beacon, receiving the signal transmitted from the mobile robot over 360 degrees and determining whether the mobile robot has approached the beacon, at the beacon, transmitting a response signal to the mobile robot if the mobile robot has approached the beacon, and at the mobile robot, performing avoidance navigation to prevent collision with the beacon when the mobile robot receives the response signal of the beacon. | 06-05-2014 |
20140165328 | AUTONOMOUS CLEANING MACHINE - Disclosed herein is an autonomous cleaning machine with a brush cleaning unit to clean a brush unit. The autonomous cleaning machine includes a main body, the brush unit rotatably provided on the main body, first brush cleaning members contacting the brush unit to move foreign substances wound on the brush unit in a lengthwise direction of the brush unit, and second brush cleaning members contacting the brush unit to remove the foreign substances wound on the brush unit from the brush unit. | 06-19-2014 |
Patent application number | Description | Published |
20110116480 | METHODS AND APPARATUS TO SUPPORT INTERFERENCE MANAGEMENT IN MULTI-TIER WIRELESS COMMUNICATION SYSTEMS - When a subscriber station (SS) encounters interference caused an interfering base station (BS), the interference can be mitigated regardless of whether the interfering base station is a CSG-Closed BS or whether the SS is connected to a serving BS. If the SS is not connected to a serving BS and cannot access the interfering BS, the SS will signal the interfering BS directly to request the interfering BS to perform IM. If the SS is a legal user, and conditions to initiate IM are met, the interfering BS will perform IM until conditions to terminate IM are met. If the SS is connected to a serving BS, the serving BS will request the interfering BS to perform or terminate interference mitigation (IM) on behalf of the SS if certain conditions are satisfied. | 05-19-2011 |
20120014308 | METHODS AND APPARATUS TO SUPPORT RECONFIGURATION IN SELF ORGANIZED WIRELESS COMMUNICATIONS AND NETWORKS - Prior to a change in a configuration, such as a change to the carrier frequency, bandwidth, base station type, and so forth of the base station, the base station can inform a subscriber station to prepare for the reconfiguration by sending a message to the subscriber station. The message informs the subscriber station regarding the change in configuration and a timing regarding the change. The base station can command the subscriber station to handover to the serving base station with the new configuration or the subscriber station can choose to handover to the serving base station with the new configuration. The subscriber station can perform network reentry to the serving base station with the new configuration at the time of or after the new configuration is effective. A communication context between the stations can be maintained and the network reentry can be optimized by omitting one or more operation procedures. | 01-19-2012 |
20120213107 | METHOD AND DEVICE FOR MEASURING SIGNAL IN WIRELESS COMMUNICATION SYSTEM - A signal measurement method and a device for comparing measurement results of a serving cell and a neighbor cell in a wireless communication system are provided. The method includes receiving a resource restriction pattern including first pattern information that indicates specific subframes to be restricted in measurement of the serving cell, measuring the neighbor cell at a first frequency band, measuring, if a predetermined condition is met, the serving cell applying the first pattern information, and measuring, if the predetermined condition is not met, the serving cell without applying the first pattern information and performing evaluation by comparing a serving cell measurement result obtained from measurement of the serving cell with a neighbor cell measurement result obtained from measurement of the neighbor cell. | 08-23-2012 |
20120213129 | METHOD AND APPARATUS FOR ACTIVATING OR DEACTIVATING SECONDARY CARRIERS IN TIME DIVISION DUPLEX MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - A method and an apparatus for activating or deactivating a primary carrier and secondary carriers in a Time Division Duplex Long Term Evolution (TDD LTE) system using carrier aggregation are provided. An apparatus includes an User Equipment employing the method corresponding the operation associated with the activation and deactivation of SCells, which thereby performs communication with eNBs without errors. | 08-23-2012 |
20120213207 | METHOD AND APPARATUS FOR DEACTIVATING SECONDARY CARRIERS IN MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - A method and an apparatus for deactivating secondary carriers in a mobile communication system using carrier aggregation are provided. A communication method, for a User Equipment (UE), includes activating a secondary carrier, starting a first timer upon activation of the secondary carrier, starting a second timer when the first timer expires, and deactivating the activated secondary carrier when the second timer expires. | 08-23-2012 |
20120257559 | BATTERY CONSUMPTION CONTROL METHOD OF USER EQUIPMENT IN MOBILE COMMUNICATION SYSTEM - A method and apparatus for controlling battery consumption of the User Equipment (UE) equipped with a feature such as Carrier Aggregation is provided. The battery consumption control method of a terminal operating in Semi-Persistent Scheduling (SPS) mode includes determining, when Hybrid Automatic Repeat reQuest (HARQ) Acknowledgement (ACK) is received, whether a suspension restriction condition is fulfilled, and stopping, when the suspension restriction condition is fulfilled, suspension to flush an HARQ buffer and not monitor a retransmission grant. The battery consumption control method may improve Discontinuous Reception (DRX) efficiency and reduce an unnecessary waste of battery power. | 10-11-2012 |
20120257569 | METHOD AND APPARATUS OF CONFIGURING DOWNLINK TIMING AND TRANSMITTING RANDOM ACCESS RESPONSE IN MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - A method of configuring downlink timings and transmitting a random access response message is provided for a random access procedure in a Long Term Evolution (LTE) system supporting carrier aggregation. The method for adjusting timing of a terminal in a wireless communication system supporting carrier aggregation of at least one carrier includes transmitting a Random Access Preamble to a base station, and receiving a Random Access Response with a Timing Advance Command (TAC) for commanding uplink timing adjustment from the base station, wherein the Random Access Response comprises information indicating a Timing Advance Group (TAG) to which the TAC is applied. | 10-11-2012 |
20120257570 | METHOD AND APPARATUS OF OPERATING MULTIPLE TIME ALIGNMENT TIMERS IN MOBILE COMMUNICATION SYSTEM SUPPORTING CARRIER AGGREGATION - A method of operating multiple time alignment timers (TimeAlignmentTimer) is provided for facilitating communication between and evolved Node B (eNB) and a User Equipment (UE) in a Long Term Evolution (LTE) system supporting multiple carriers. The method includes starting a first TAT of a first group including the primary cell, starting a second TAT when Timing Advance (TA) information on a second group not including the primary cell; and determining transmission of at least one of a Hybrid Automatic Repeat Request Acknowledgement/Negative-acknowledgement (HARQ ACK/NACK), a physical uplink control channel, and a sounding reference signal according to a start and an expiration of at least one of the first and second TATs. | 10-11-2012 |
20130040597 | SYSTEM AND METHOD FOR APPLYING EXTENDED ACCESSING BARRING IN WIRELESS COMMUNICATION SYSTEM - A system and a method that employs Extended Access Barring (EAB) when a Machine Type Communication (MTC) device performs an attempt to access an evolved Node B (eNB) in a wireless communication system are provided. When User Equipment (UE) supporting MTC, an MTC device, performs an attempt to access a network, the system and method determines whether it can access the network and performs the access procedure. The system and method can control the operations of UE that performs an attempt to access a network, thereby preventing excessive access. | 02-14-2013 |
20130044670 | METHOD AND APPARATUS FOR RECEIVING MULTIMEDIA BROADCAST/MULTICAST SERVICE IN MOBILE COMMUNICATION SYSTEM - An MBMS service reception method and an apparatus are provided for facilitating reception of Multimedia Broadcast/Multicast Service (MBMS) provided in the Long Term Evolution (LTE) system. The method for receiving MBMS in a radio communication system includes receiving User Service Description (USD) information including time information of the MBMS in a connected mode, determining whether a session of the MBMS has started based on the time information, and receiving, when the MBMS session has started, MBMS data of the MBMS session. The MBMS service reception method and apparatus of the present invention facilitates receiving the MBMS service. | 02-21-2013 |
20130089029 | METHOD AND APPARATUS FOR SELECTING NEIGHBOR CELLS IN MOBILE COMMUNICATION SYSTEM - A neighbor cell search method and apparatus of a User Equipment (UE) is provided for performing the cell search procedure with the utilization of a Physical Cell Identity (PCI) list of PCIs used by evolved Node Bs (eNBs) for a Closed Subscriber Group (CSG) which is from an eNB in a Long Term Evolution (LTE) system. The cell search method includes selecting a cell of a base station, receiving system information including a Physical Cell Identity (PCI) list used by neighbor Closed Subscribed Group (CSG) cells of the base station, determining whether the terminal is in an any cell selection state for selecting any cell, and searching, when the terminal is in the any cell selection state, neighbor cells without application of the PCI list. The cell search method and apparatus are capable of performing the cell search procedure to appropriate eNBs, resulting in improvement of network attachment efficiency. | 04-11-2013 |
20130143610 | APPARATUS AND METHOD FOR DELIVERING SHORT MESSAGE SERVICE EFFICIENTLY IN WIRELESS COMMUNICATION SYSTEM - A Short Message Service (SMS) delivery method and apparatus is provided for delivering an SMS message efficiently by selecting a network domain to attach to according to the service provided to a Mobile Station (MS) by the mobile operator network. An SMS delivery method of the present invention includes receiving, at a network node, an Attach/Routing Area Update (RAU) Request message including a parameter indicating an attach/update type and SMS-only service, and transmitting, when SMS in a Serving General Packet Radio Service (GPRS) Support Node (SGSN) is supported at the core network node, to the mobile station an Attach Accept message including a parameter indicating that SMS in SGSN is supported. The SMS delivery method of the present invention is capable of delivering SMS message efficiently in the wireless communication system. | 06-06-2013 |
20130201960 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA ON MULTIPLE CARRIERS IN MOBILE COMMUNICATION SYSTEM - A data transmission method and an apparatus to communicate data on multiple carriers in the mobile communication system are provided. A random access method of a terminal in a mobile communication system including primary and secondary cells operating on multiple carriers according to the present invention includes communicating data after random access in the primary cell, receiving, when the random access is triggered in the secondary cell, information for use in the secondary cell random access from the primary cell, transmitting a preamble in the secondary cell based on the received information, monitoring the primary cell to receive a Random Access Response for the secondary cell, and applying, when the Random Access Response for the secondary cell is received, the information carried in the Random Access Response to the secondary cell in which the preamble has been transmitted. | 08-08-2013 |
20130203418 | IN-DEVICE COEXISTENCE INTERFERENCE REPORT CONTROL METHOD AND APPARATUS OF NETWORK IN MOBILE COMMUNICATION SYSTEM - An in-device coexistence interference report control method of a network for terminal to inform the network of interference among heterogeneous radio communication modules coexisting in the terminal is provided. The method includes determining, at a terminal when a terminal capability enquiry message is received from a base station, whether the base station supports an In-Device Coexistence (IDC) interference report, transmitting, when the IDC interference report is supported, a terminal capacity information message to the base station, receiving a Radio Resource Control (RRC) connection reconfiguration message including information on whether terminal's IDC interference indicator transmission is permitted from the base station; and transmitting an RRC connection reconfiguration complete message to the base station in response to the RRC connection reconfiguration message. The in-device coexistence interference indication control method is advantageous in preventing the UE from transmitting useless in-device coexistence interference indication messages, resulting in reduction of unnecessary signaling. | 08-08-2013 |
20140286326 | LOCATION-SPECIFIC WLAN INFORMATION PROVISION METHOD IN CELL OF WIRELESS COMMUNICATION SYSTEM - A data communication method of a terminal of a mobile communication system is provided. The data communication method includes transmitting a first message including location-related information of the terminal to a base station, receiving a second message including a Wireless Local Area Network (WLAN) Access Point (AP) list corresponding to the location-related information of the terminal, and scanning, if the WLAN AP list includes at least one WLAN AP, for WLAN APs included in the WLAN AP list. | 09-25-2014 |
20140295843 | NETWORK INTERWORKING - A method of operating a mobile terminal for network interworking is provided. The method includes receiving at the mobile terminal a first parameter from a first wireless communication network indicating a preference for offloading a new or current data flow to another network, the first parameter comprising a value within a first range. The method further comprises obtaining at the mobile terminal a random or pseudorandom value within a second range that at least partially overlaps the first range. The method further comprises determining whether to initiate or maintain at least one data flow between the mobile terminal and the first network or another network according to the first parameter and the random or pseudorandom value. | 10-02-2014 |
20150036635 | METHOD AND APPARATUS FOR ACTIVATING OR DEACTIVATING SECONDARY CARRIERS IN TIME DIVISION DUPLEX MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - A method and an apparatus for activating or deactivating a primary carrier and secondary carriers in a Time Division Duplex Long Term Evolution (TDD LTE) system using carrier aggregation are provided. An apparatus includes an User Equipment employing the method corresponding the operation associated with the activation and deactivation of SCells, which thereby performs communication with eNBs without errors. | 02-05-2015 |
20150043418 | METHOD AND APPARATUS FOR RECEIVING MULTIMEDIA BROADCAST/MULTICAST SERVICE IN MOBILE COMMUNICATION SYSTEM - An MBMS service reception method and an apparatus are provided for facilitating reception of Multimedia Broadcast/Multicast Service (MBMS) provided in the Long Term Evolution (LTE) system. The method for receiving MBMS in a radio communication system includes receiving User Service Description (USD) information including time information of the MBMS in a connected mode, determining whether a session of the MBMS has started based on the time information, and receiving, when the MBMS session has started, MBMS data of the MBMS session. The MBMS service reception method and apparatus of the present invention facilitates receiving the MBMS service. | 02-12-2015 |
20150043505 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA ON MULTIPLE CARRIERS IN MOBILE COMMUNICATION SYSTEM - A data transmission method and an apparatus to communicate data on multiple carriers in the mobile communication system are provided. A random access method of a terminal in a mobile communication system including primary and secondary cells operating on multiple carriers according to the present invention includes communicating data after random access in the primary cell, receiving, when the random access is triggered in the secondary cell, information for use in the secondary cell random access from the primary cell, transmitting a preamble in the secondary cell based on the received information, monitoring the primary cell to receive a Random Access Response for the secondary cell, and applying, when the Random Access Response for the secondary cell is received, the information carried in the Random Access Response to the secondary cell in which the preamble has been transmitted. | 02-12-2015 |
20150063305 | METHOD AND APPARATUS FOR TRANSMITTING/RECEIVING DATA ON MULTIPLE CARRIERS IN MOBILE COMMUNICATION SYSTEM - A data transmission method and an apparatus to communicate data on multiple carriers in the mobile communication system are provided. A random access method of a terminal in a mobile communication system including primary and secondary cells operating on multiple carriers according to the present invention includes communicating data after random access in the primary cell, receiving, when the random access is triggered in the secondary cell, information for use in the secondary cell random access from the primary cell, transmitting a preamble in the secondary cell based on the received information, monitoring the primary cell to receive a Random Access Response for the secondary cell, and applying, when the Random Access Response for the secondary cell is received, the information carried in the Random Access Response to the secondary cell in which the preamble has been transmitted. | 03-05-2015 |
20150085842 | METHOD AND APPARATUS FOR DEACTIVATING SECONDARY CARRIERS IN MOBILE COMMUNICATION SYSTEM USING CARRIER AGGREGATION - A method and an apparatus for deactivating secondary carriers in a mobile communication system using carrier aggregation are provided. A communication method, for a User Equipment (UE), includes activating a secondary carrier, starting a first timer upon activation of the secondary carrier, starting a second timer when the first timer expires, and deactivating the activated secondary carrier when the second timer expires. | 03-26-2015 |
Patent application number | Description | Published |
20090010694 | DEVELOPING DEVICE, WASTE TONER COLLECTING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus includes a photosensitive medium on which an electrostatic latent image is formed, an exposure unit to irradiate light onto the photosensitive medium, a developing device to apply toner to the photosensitive medium having the electrostatic latent image formed thereon, a cleaning device to remove waste toner remaining in the photosensitive medium, and a waste toner collecting device to store the waste toner removed from the photosensitive medium. The waste toner collecting device is provided with a supporting rail to support the developing device. The waste toner collecting device includes the supporting rail that supports the developing device, so that additional components to support the developing device are not needed, and the whole size of the image forming apparatus is reduced. | 01-08-2009 |
20100046979 | IMAGE FORMING APPARATUS - An image forming apparatus includes a power interrupting structure and a cover opening and closing structure. The image forming apparatus includes an apparatus body, a first cover and a second cover to open and close the apparatus body, a switch configured to be turned on/off according to an opening and closing operation of the first cover, and a safety device, operatively connected to the second cover, to selectively restrict the switch from being turned on by the first cover. | 02-25-2010 |
20100046999 | IMAGE FORMING APPARATUS AND A WASTE TONER RECOVERY DEVICE THEREOF - An image forming apparatus capable of reducing a space required to install a transfer unit to achieve a compact body size. The image forming apparatus can include a body, a frame installed in the body, a transfer unit installed inside the frame, and a waste toner recovery device to recover waste toner collected from the transfer unit. The waste toner recovery device can include a first delivery unit to deliver the waste toner in a first direction, and a second delivery unit to deliver the waste toner, delivered from the first delivery unit, in a second direction. The second delivery unit can be movably installed to the frame and can be coupled to or detached from the first delivery unit via movement thereof. | 02-25-2010 |
20110076055 | IMAGE FORMING APPARATUS - Disclosed is an image forming apparatus that includes a body housing having an opening and a cover covering the opening, a body frame in the body housing for supporting thereon various component parts of the image forming apparatus, an image forming cartridge receivable into the body housing through the opening to be detachably supported on the body frame and a support assembly supporting the mounted image forming cartridge. The support assembly includes a locking member movable between a locking position at which the image forming cartridge is limited in its movement along the direction of separating away from the body frame and a releasing position at which the image forming cartridge is allowed to move away from the body frame. The support assembly further includes an elastic member elastically biasing the locking member to the releasing position and a pressing member provided on the cover for pressing the locking member to remain in the locking position when the covered is closed to cover the opening. | 03-31-2011 |
20120301183 | ARTICLE OF CONSUMPTION AND IMAGE FORMING APPARATUS HAVING THE SAME - An image forming apparatus having a consumable detachably installed in the main body is disclosed. The image forming apparatus includes a main body having a first opening, a consumable which is detachably installed in the main body, a door mounted on the main body to open and close the first opening, and locking members operable in association with the movement of the door to secure the consumable in place as the door is closed. Possible damages due to the movement of the consumable such as a photosensitive cartridge during shipping and/or transporting of the image forming apparatus can be prevented by the locking members. | 11-29-2012 |
20130243475 | IMAGE FORMING APPARATUS - Disclosed is an image forming apparatus that includes a body housing having an opening and a cover covering the opening, a body frame in the body housing for supporting thereon various component parts of the image forming apparatus, an image forming cartridge receivable into the body housing through the opening to be detachably supported on the body frame and a support assembly supporting the mounted image forming cartridge. The support assembly includes a locking member movable between a locking position at which the image forming cartridge is limited in its movement along the direction of separating away from the body frame and a releasing position at which the image forming cartridge is allowed to move away from the body frame. The support assembly further includes an elastic member elastically biasing the locking member to the releasing position and a pressing member provided on the cover for pressing the locking member to remain in the locking position when the covered is closed to cover the opening. | 09-19-2013 |
Patent application number | Description | Published |
20100128179 | DISPLAY APPARATUS USING EXTERNAL DEVICE CONNECTION UNIT AND METHOD OF DETERMINING FORMAT OF INPUT IMAGE THEREOF - A display apparatus connected to an external device through a connection unit and a method of determining the format of an input image uses a connection unit to be connected to an external device and determines the format of a video signal input through the connection unit. Accordingly, it is possible to realize a slim display apparatus. | 05-27-2010 |
20120300139 | PLANAR LIGHTING APPARATUS AND LIQUID CRYSTAL DISPLAY HAVING THE SAME - A planar lighting apparatus, liquid crystal display having the same and a television having the same are provided. The planar lighting apparatus includes a reflection sheet; a prism sheet which is spaced apart from the reflection sheet, and which includes a prism pattern on a surface of the prism sheet facing the reflection sheet; and a light source which emits light toward a space between the reflection sheet and the prism sheet and is disposed on at least one side of the space, wherein the prism pattern has a shape which reflects the light emitted from the light source. | 11-29-2012 |
20130044269 | LIQUID CRYSTAL PANEL ASSEMBLY AND LIQUID CRYSTAL DISPLAY APPARATUS HAVING THE SAME - An LGP-less liquid crystal panel assembly includes at least one light source generating light; a liquid crystal panel displaying the light generated from the light source, as an image; at least one optical film arranged behind the liquid crystal panel; an upper chassis and a lower chassis accommodating the light source, the liquid crystal panel, and the optical film; and at least one tension member applying tension to the optical film so as to prevent the optical film from drooping. | 02-21-2013 |
20130114020 | LIQUID CRYSTAL PANEL ASSEMBLY AND LIQUID CRYSTAL DISPLAY APPARATUS - Provided are a liquid crystal panel assembly having no light guide plate (LGP) and a liquid crystal display apparatus. The liquid crystal panel assembly includes: a light source which generates light; a liquid crystal panel which displays the light generated from the light source as an image; at least one optical film disposed at a rear of the liquid crystal panel; a reflector sheet which is disposed at a rear of the optical film and reflects the light from the light source toward the optical film; a reflector which concentrates the light from the light source; an upper chassis and a lower chassis which house the light source, the liquid crystal panel, the optical film, the reflector sheet, and the reflector therebetween; and a middle chassis installed between the upper chassis and the lower chassis, wherein the reflector and the middle chassis form a single body. | 05-09-2013 |
20130258717 | BACKLIGHT UNIT AND IMAGE DISPLAY APPARATUS HAVING THE SAME - A backlight unit includes a light guiding plate; a light source module that is disposed in at least one side of the light guiding plate and includes a plurality of light sources emitting light toward a side surface of the light guiding plate; an under chassis supporting the light guiding plate and the light source module; and a gap maintaining unit maintaining a gap of a constant width between the side surface of the light guiding plate and the plurality of light sources of the light source module when a length of the light guiding plate is changed. | 10-03-2013 |
20140211121 | DISPLAY MODULE AND DISPLAY APPARATUS HAVING THE SAME - A display module includes a display panel; a backlight unit which is disposed behind the display panel and configured to emit light toward the display panel; a bottom chassis configured to accommodate the backlight unit; and a reflective sheet which is disposed inside the bottom chassis and configured to reflect a light portion incident thereon toward the display panel. The reflective sheet includes a sheet bottom portion corresponding to a front surface of the bottom chassis, a sheet inclined portion which is obliquely formed to face a rear surface of the display panel, and a light adjustment portion which is provided on the sheet inclined portion and configured to adjust the light portion reflected by the sheet inclined portion. | 07-31-2014 |
Patent application number | Description | Published |
20110116064 | Maskless exposure apparatus and method - Example embodiments are directed to a maskless exposure apparatus using off-axis alignment to form a virtual mask pattern on a substrate. The maskless exposure apparatus includes a movement unit on which the substrate is placed, a light source unit configured to output light, a projection unit configured to divide the light output from the light source unit into a plurality of spot beams to form the pattern and configured to project the spot beams to the movement unit, an alignment unit configured to output alignment light to align the substrate and a virtual mask, a beam imaging unit configured to capture the spot beams and the alignment light, and a controller configured to measure distances between the captured alignment light and at least two of the captured spot beams and configured to determine alignment between the virtual mask and the substrate based on the measured distances to control movement of the movement unit. | 05-19-2011 |
20110134409 | Actuator, stage device, and exposure apparatus - An actuator according to example embodiments may be relatively compact and may be driven with 2 degrees of freedom with less spatial constraints. The actuator may include a base member, a ball screw member including a ball screw coupled to the base member and a ball nut screwed onto the ball screw, a driving member coupled to the ball nut so as to move in conjunction with the ball nut, a first directional displacement member configured to move in a first direction in response to a first movement of the driving member, a wedge member coupled to the driving member so as to be moved in a second direction in response to a second movement of the driving member, a second directional displacement member configured to move in a second direction in conjunction with the wedge member, and a binding member configured to bind the first directional displacement member to at least one of the driving member, the wedge member, and the base member. | 06-09-2011 |
20110149297 | Maskless exposure apparatus and multi-head alignment method thereof - Example embodiments are directed to a mask-less exposure apparatus configured to expose a pattern on a substrate using a light modulation device and a multi-head alignment method thereof. According to example embodiments, a beam measurement device measures positions and focuses of at least three beams from among a plurality of beams emitted from multiple heads, the measurement enabling alignment of a position and an angle of a lens barrel deviated from a reference position according to an error in position and focus of the measured at least three beams. | 06-23-2011 |
20110157569 | Maskless exposure apparatus and control method thereof - Example embodiments are directed to a maskless exposure apparatus that generates and/or corrects exposure data using at least one information of intensity information, central position information, focus information, and/or shape information of a plurality of beams acquired using a measurement optical system, and a control method thereof. The maskless exposure apparatus includes the measurement optical system including a photo sensor and an image sensor, and a control unit configured to generate and/or correct the exposure data using the information acquired by the measurement optical system. | 06-30-2011 |
20110181856 | Auto-focusing device and method for maskless exposure apparatus - Example embodiments are directed to an auto-focusing device for use in a maskless exposure apparatus that performs a beam focus calibration and an auto-focusing method using the same. The auto-focusing device includes a projection optical unit, a focus calibration unit, and a controller. The projection optical unit includes a distance measurement sensor and a focus controller that generate a beam of light. The focus calibration unit includes a substrate having a reference mark on which the beam generated from the projection optical unit is illuminated, a measuring optical unit configured to obtain image information of the beam illuminated on the reference mark, and a stage configured to support the substrate and the measuring optical unit. The controller is configured to control the focus controller so that a beam of the beam generated from the measuring optical unit is located on the surface of an exposed member. | 07-28-2011 |
20110267594 | Maskless exposure apparatus and stitching exposure method using the same - Disclosed herein are a maskless exposure apparatus configured to perform exposure by tilting a beam spot array with respect to a scan direction (Y-axis direction) thus preventing stitching stripes and a stitching method using the same. A step distance, in which exposure dose uniformity in a stitching area is within a tolerance range, is calculated using actual position data of beam spots constituting the beam spot array on an exposure plane, and if necessary, using beam power data and/or beam size data. As exposure is performed based on image data conforming to the step distance, the stitching area has a uniform exposure dose, enabling exposure without stitching stripes. | 11-03-2011 |
20110273690 | Maskless exposure apparatus and method of alignment for overlay in maskless exposure - Example embodiments are directed to a maskless exposure device and an alignment method. The alignment method performs an overlay of each layer of a plurality of layers on a substrate using a virtual mask in a maskless exposure technique. The maskless exposure device and the alignment method use a virtual mask instead of a physical mask used in a conventional mask exposure, a virtual target mark instead of an alignment mark used in the conventional mask exposure, and perform an overlay per layer, such that the deposition exposure can be achieved in the maskless exposure. | 11-10-2011 |
20110286818 | SUBSTRATE PROCESSING APPARATUS AND METHOD - According to an example embodiment a substrate processing apparatus includes a supporting unit, a lifting unit on at least a side of the supporting unit, a tray supported by the lifting unit, and a transfer unit configured to transfer a substrate to the tray such that the substrate is positioned on the tray. The lifting unit moves the tray up and down to load or unload the substrate located on the tray on or from the supporting unit. | 11-24-2011 |
20120019793 | EXPOSURE APPARATUS INCLUDING THE EXPOSURE HEAD AND CONTROL METHOD THEREOF - According to example embodiments, a method of operating an exposure apparatus including a stage having a plurality of beam measurement devices, and an exposure head unit having a first set of exposure heads and a second set of exposure heads includes measuring a position of a first exposure head of the first set of exposure heads by moving the stage to coincide a first beam measurement device of the plurality of beam measurement devices with the first exposure head, setting the measured position of the first exposure head as a reference position, and measuring positions of the second set of exposure heads with respect to the reference position. | 01-26-2012 |
20120038899 | EXPOSURE APPARATUS AND ALIGNMENT ERROR COMPENSATION METHOD USING THE SAME - In one embodiment, a center of rotation and a slippage amount are estimated when slippage occurs due to radial runout during planar rotation θ to align the mask and the substrate. The slippage amount is estimated after rotation is reflected in a movement command value of a stage as a compensation value, and a moving table, on which the substrate is placed, is moved to compensate the slippage amount, thereby improving overlay performance. | 02-16-2012 |
20120038936 | Measurement System Using Alignment Unit And Position Measuring Method - In one example embodiment, position of the alignment unit is acquired using a fiducial mark formed on a moving table, and the moving table is moved such that an alignment mark formed on the workpiece is located within a field of view of the alignment unit to measure the position of the alignment mark. Subsequently, the position and posture of the workpiece are accurately measured based on the position of the alignment unit and the position of the alignment mark measured by the alignment unit. | 02-16-2012 |
20120081682 | MASKLESS EXPOSURE APPARATUS AND METHOD TO DETERMINE EXPOSURE START POSITION AND ORIENTATION IN MASKLESS LITHOGRAPHY - According to an example embodiment, a method to determine an exposure start position and orientation includes loading a substrate on a moving table. The substrate includes at least one alignment mark of a first set of alignment marks of a first pattern layer patterned thereon. At least one alignment mark of a second set of alignment marks of a second pattern layer is exposed on the substrate using maskless lithography. A position of the at least one alignment mark of the first set of alignment marks and a position of the at least one alignment mark of the second set of alignment marks on the substrate is measured. A relative orientation difference between a desired exposure start orientation and an obtained exposure start orientation is acquired using the measured positions of the at least one alignment mark of the first set of alignment marks and the at least one alignment mark of the second set of alignment marks. A relative position difference between a desired exposure start position and an obtained start position is acquired using the measured positions of the at least one alignment mark of the first set of alignment marks and the at least one alignment mark of the second set of alignment marks. An exposure start position and orientation compensated using the relative position difference and the relative orientation difference is determined. | 04-05-2012 |
20120099107 | Workpiece Alignment Device - An example embodiment relates to an alignment device including an optical aligner system including a plurality of aligners configured to measure a position of a workpiece having a plurality of alignment marks, and an optical member. The optical member is configured to diverge alignment beams reflected from neighboring alignment marks of the plurality of alignment marks and transmit the beams to neighboring aligners of the plurality of aligners respectively if a distance between the neighboring aligners is greater than a distance between the neighboring alignment marks. | 04-26-2012 |
20120140194 | Maskless Exposure Apparatus - According to example embodiments, a maskless exposure apparatus includes a light source array including a plurality of light sources, a focusing element array including a plurality of focusing elements, and an image forming lens unit between the focusing element array and a substrate. The focusing element array is configured to perform a first focusing operation to focus light beams emitted from the plurality of light sources. The image forming lens unit is configured to perform a second focusing operation on the focused light beams to form focused light spots on the surface of the substrate. The focused light spots form a pattern on the substrate. | 06-07-2012 |
20130001898 | APPARATUS AND METHOD OF CONTROLLING CHUCK, AND EXPOSURE APPARATUS AND CONTROL METHOD THEREOF - Exemplary embodiments of the invention disclose an exposure apparatus and a method of tuning parameters of a chuck, which may reduce a time taken to level the chuck by previously tuning parameters of the chuck. The method of tuning parameters of a chuck includes detecting a tilt component of the chuck, performing chuck tilt adjustment to minimize the tilt component of the chuck, and tuning the parameters of the chuck if a residual tilt component is present after performing the chuck tilt adjustment. | 01-03-2013 |
20130016361 | STAGE APPARATUSAANM Park; Sang WookAACI Suwon-siAACO KRAAGP Park; Sang Wook Suwon-si KRAANM Jang; In BaeAACI SeoulAACO KRAAGP Jang; In Bae Seoul KRAANM Jang; Sang DonAACI Suwon-siAACO KRAAGP Jang; Sang Don Suwon-si KRAANM Kim; Oui SergAACI Seongnam-siAACO KRAAGP Kim; Oui Serg Seongnam-si KR - The stage apparatus includes a stage having a range of movement on a stage base, an interferometer and a fixed mirror that are installed outside the stage on the stage base, and a first movable mirror disposed on the stage to reflect light, which is introduced from the interferometer, toward the fixed mirror, and to reflect the light, which is received after being reflected by the fixed mirror, to the interferometer. | 01-17-2013 |
20130047758 | Z-AXIS STAGE DRIVING APPARATUS, STAGE DRIVING APPARATUS, AND METHOD FOR MANIPULATING STAGE DRIVING APPARATUS - Disclosed is Z-axis stage driving apparatus to move a stage on which a workpiece such as a wafer is placed along a Z-axis. The Z-axis stage driving apparatus includes a motor, a plurality of elevating devices to move a stage along a Z-axis, a power transmission device to transmit power of the motor to the plurality of elevating devices, and a clutch to control power transmission between the power transmission device and the elevating devices. | 02-28-2013 |
20130208486 | REFLECTOR STRUCTURE OF ILLUMINATION OPTIC SYSTEM - An illumination optic system includes a convex mirror to reflect light from a light source to towards a lens. The light source is at a first focus position and the lens is at a second focus position of the mirror. The system also includes a reflector to reflect light not incident on the lens toward the convex mirror. The reflector has a light guide hole to guide light to the incidence surface of the lens. | 08-15-2013 |
20130214180 | SYSTEM AND METHOD FOR PROVIDING LIGHT - An optical system includes a first light source to radiate light in a first wavelength band, a reflector to reflect light from the first light source, a second light source to radiate light in a second wavelength band, and a reflector reflect the second light source. The fourth reflector is set at a first position to allow light from the first light source to each the condenser lens and set to a second position to allow light from the second light source to reach the condenser lens. | 08-22-2013 |
20130218304 | ULTRA-PRECISION POSITION CONTROL DEVICE AND METHOD FOR DETERMINING POSITION AND ATTITUDE INFORMATION ASSOCIATED WITH A 6-DEGREE-OF-FREEDOM STAGE THEREOF - A method of determining and controlling position and attitude information associated with a 6-degree-of-freedom stage includes: receiving, from a plurality of sensors associated with the 6-degree-of-freedom stage, displacement information associated with the 6-degree-of-freedom stage. A plurality of equations associated with the plurality of sensors are determined by a control unit based on the displacement information to represent an amount of change in position and attitude associated with each measurement axis of each of the plurality of sensors. The control unit determines position information and attitude information associated with the 6-degree-of-freedom stage using the equations. Movement of the 6-degree-of-freedom stage is caused, at least in part, to be controlled based on the position information, the attitude information, or both the position information and the attitude information. Three coordinate values associated with each valid measurement point of each of the plurality of sensors are associated with at least one degree of freedom. | 08-22-2013 |
20140204392 | STAGE TRANSFERRING DEVICE AND POSITION MEASURING METHOD THEREOF - A stage transferring device invention includes: a transferring stage upon which an object is mounted and which transfers the object in an x-y plane; and a stage position measuring device. The stage position measuring device includes a one-dimensional scale on the transferring stage; a one-dimensional scale reading head which is configured to overlap the one-dimensional scale, irradiate a measuring beam to the overlapped one-dimensional scale and measure a 1D y-axis coordinate of the transferring stage; a two-dimensional encoder on the transferring stage; and a two-dimensional encoder reading head which is configured to overlap the two-dimensional encoder, irradiate a measuring beam to the overlapped two-dimensional encoder and measure a 2D x-axis coordinate and a 2D y-axis coordinate of the transferring stage. | 07-24-2014 |
20140268171 | STAGE DEVICE AND DRIVING METHOD THEREOF - A stage device includes a stage configured to move in an X-axis direction and a Y-axis direction, an X-axis interference reflector spaced apart from the stage in the X-axis direction, a first X-axis interferometer disposed on the stage that is configured to measure an X-axis location of the stage using the X-axis interference reflector, and an optical movable element spaced apart from the stage in the Y-axis direction that is configured to shift in the X-axis direction a path of a light beam propagating in the Y-axis direction according to movement of the stage in the X-axis direction. | 09-18-2014 |
Patent application number | Description | Published |
20090120928 | Apparatus and method for induction heating - Disclosed is an apparatus and method for induction heating. The induction heating cooker determines an existence of a vessel and determines material and a bottom size of the vessel by using resonance voltage, which is applied to a heating coil for heating the vessel, so that a proper control operation is performed corresponding to the existence of the vessel, the material and the bottom size of the vessel. | 05-14-2009 |
20090139986 | Induction heating cooker and control method thereof - An induction heating cooker and a control method thereof. The induction heating cooker includes a plurality of heating coil groups, each of the heating coil groups including a plurality of heating coils connected in series, a plurality of inverters to individually supply high-frequency voltages to the heating coil groups, respectively, and a controller to control operations of the inverters such that the high-frequency voltages are supplied to the heating coil groups, respectively, based on the numbers of heating coils upon which at least one cooking container is placed within the respective heating coil groups. Therefore, it is possible to effectively heat the cooking container even though the container is put on any position of a cooking plate irrespective of a specific position of the cooking plate. Also, it is possible to effectively heat the container regardless of the size of the container. | 06-04-2009 |
20090212042 | Electric range and induction coil unit used therein - Disclosed are an electric range and an induction coil unit used therein. The electric range includes a plate, on which cooking containers are mounted; an induction coil unit provided under the plate, and including a plurality of induction coils; and a control unit to control the operation of the induction coil unit, wherein at least one of the induction coils includes at least one rectilinear part. | 08-27-2009 |
20100176116 | Cooking apparatus and heating device including working coils thereof - A cooking apparatus performing cooking with a cooking container disposed at any desired position on a cooking plate, and a heating device thereof. The cooking apparatus includes a cooking plate to receive a cooking container thereon, and at least one working coil disposed under the cooking plate to heat the cooking container, the at least one working coil including a first portion and a second portion having a different winding structure of a conducting wire which forms the working coil so that a winding density of the conducting wire at one of the first portion and the second portion is relatively higher than the other of the first portion and the second portion. | 07-15-2010 |
20110084058 | Heating device usable with cooking appliance, manufacturing method thereof, and cooking appliance - Disclosed herein are a heating device usable with a cooking appliance and a manufacturing method thereof to assure economical formation and arrangement of a working coil. The heating device usable with a cooking appliance includes a working coil formed by spirally winding a conducting wire, and a sheet member arranged to support the working coil and having a supporting plane facing the working coil. Individual windings of the conducting wire, which constitute individual turns of the working coil, are spaced apart from neighboring windings by a predetermined distance. Spaces are defined between the individual neighboring windings of the conducting wire without a structure to guide the working coil. | 04-14-2011 |
20130161317 | INDUCTION HEATING COOKER AND CONTROL METHOD THEREOF - An induction heating coil including a heating coil, an inverter unit configured to provide a high-frequency power to the heating coil, a driving unit configured to provide a signal used to control an operation of the inverter unit, a operation unit including a water boiling button configured to select a water boiling function, and a control unit configured, if a water boiling function selection signal is input through manipulation of the water boiling button, to vary an operating frequency of the driving unit based on an output of the heating coil, and to determine whether water contained in a vessel placed on the heating coil is boiling by use of a difference between the operating frequencies that is calculated at a predetermined period of time, so that the water boiling or the food boiling is detected during boiling water or cooking foods. | 06-27-2013 |
Patent application number | Description | Published |
20090015593 | METHOD AND APPARATUS FOR AUTOMATICALLY CHANGING COLOR - Provided are a method and an apparatus for automatically changing a color of a user interface of an image displaying apparatus, and a computer readable recording medium storing a program for executing the method. The method of automatically changing the color includes: analyzing a color distribution of a predetermined image; determining a representative color based on the analyzed color distribution; and setting a color of a predetermined region in an apparatus displaying the image as the representative color. | 01-15-2009 |
20090040228 | CONTENT INFORMATION DISPLAY METHOD AND APPARATUS - Provided are a content information display method and apparatus. The method includes: extracting a content file list; extracting additional information having a same property from among additional information on each of content files included in the content file list; generating a graph representing a degree of the property by comparing the extracted additional information on each content file with additional information on another content file; and displaying the graph and the content file list. | 02-12-2009 |
20110254806 | METHOD AND APPARATUS FOR INTERFACE - A method and apparatus for interfacing, the method including detecting waveforms generated due to contact between a plurality of input members and an input surface for receiving touch inputs; obtaining property information regarding each input member based on the detected waveforms; and generating an input signal corresponding to a combination of the property information of the input members and gestures generated by the input members. | 10-20-2011 |
20120268286 | METHOD FOR DISPLAYING STATUS OF POWER CONSUMPTION AND PORTABLE DEVICE THEREOF - Provided is a method for displaying electricity use status and a portable device thereof by identifying at least one electronic appliance in an image on a screen captured through a camera, receiving electricity use information of the at least one electronic appliance, determining the electricity use status of the at least one electronic appliance using the received electricity use information, and displaying one of a plurality of Graphical User Interfaces (GUI), wherein each GUI corresponds to a different stage of the electricity use status of the at least one electronic appliance | 10-25-2012 |
20130027403 | CONTENT INFORMATION DISPLAY METHOD AND APPARATUS - Provided are a content information display method and apparatus. The method includes: receiving a content file list; receiving additional information having a same property from among additional information on each of content files included in the content file list; generating a graph representing a degree of the property by comparing the received additional information on each content file with additional information on another content file; and displaying the graph and the content file list. | 01-31-2013 |
20130078964 | METHOD OF FORWARDING COMMUNICATION SERVICE BASED ON VEHICLE AND SYSTEM THEREOF, AND TERMINAL SUPPORTING THE SAME - A method of forwarding a communication service based on a vehicle is provided. The method includes registering a portable terminal located in the vehicle in a vehicle electronic system; and forwarding a received communication service connection request message to another terminal, when a communication service connection request message is transmitted to a registered portable terminal. | 03-28-2013 |
20130325332 | USER TERMINAL DEVICE PROVIDING SERVICE BASED ON PERSONAL INFORMATION AND METHODS THEREOF - A service providing method of a user terminal device connected to a display apparatus mounted on a moving means includes displaying a stored contact list and guiding one or more routes which displays a route guide screen to selected address information by utilizing a display apparatus if the address information is selected from personal information recorded on the displayed contact list. Accordingly, various services can be provided based on the personal information. | 12-05-2013 |
20130332228 | USER TERMINAL DEVICE FOR PROVIDING ELECTRONIC SHOPPING SERVICE AND METHODS THEREOF - A user terminal device including a display, a sensor configured to detect a user input on the display, a controller configured to extract objects displayed within an area on the display indicated by the user input on the display and add the objects to a wish list, and a memory configured to store the wish list. The user terminal device executes a method for providing an electronic shopping service, the method including receiving a user input at a user terminal device, determining a selection area on a screen of the user terminal device corresponding to the user input, determining a shopping object within the selection area, extracting information of the shopping object within the selection area, and adding the information to a wish list. | 12-12-2013 |
20140058860 | METHOD AND APPARATUS FOR DETERMINING ITEM BASED ON INTERACTION ENVIRONMENT - A method and an apparatus for using a device to determine an item, such as, for example, a card based on an interaction environment, such as, for example, a settlement environment, are provided. The method by which a device determines a card to be used in a settlement includes: acquiring a card use history of a card, which is stored in the device; acquiring information which relates to a settlement environment of the device; determining a card to be used in the settlement, based on the acquired information relating to the settlement environment and the acquired card use history; and providing settlement information which relates to the determined card to a point of sale (POS) terminal. | 02-27-2014 |
20150089451 | USER TERMINAL, ELECTRONIC DEVICE, AND CONTROL METHOD THEREOF - A photographing device is provided, including a photographing unit, an image processor which separates an object from a first photographing image obtained by the photographing unit, a display which displays background live view on which the separated object is superimposed, and a controller which obtains a second photographing image corresponding to the background live view when a command to shoot a background is input, and generates a composite image by adding the separated object onto the second photographing image. Accordingly, a composite image may be easily generated. | 03-26-2015 |