Patent application number | Description | Published |
20100327673 | LINEAR VIBRATOR - A linear vibrator is disclosed. In accordance with an embodiment of the present invention, the linear vibrator includes a base, a coil unit, which is coupled to the base, a magnet, which is coupled to the coil unit such that the magnet can move relatively with respect to the coil unit, and a leaf spring, which is interposed between the magnet and the base and includes a plurality of plate-shaped members having center portions thereof being separated from one another and both respective ends thereof being coupled to one another. Thus, the linear vibrator can increase the range of displacement in the leaf spring and increase the magnitude of vibration in the linear vibrator. | 12-30-2010 |
20110006618 | VIBRATION MOTOR - A linear vibrator is disclosed. The linear vibrator includes a base, a coil unit, which is coupled to the base, a magnet, which is coupled to the coil unit such that the magnet can move relatively, and a plurality of leaf springs, which are interposed between the magnet and the base. Here, the plurality of leaf springs face one another and are coupled to one another Thus, the linear vibrator can increase the range of vibration displacement in a structure and increase the amount of vibration in the linear vibrator. Also, even though the linear vibrator becomes thinner, the range of displacement can be increased because the weight is vibrated horizontally. | 01-13-2011 |
20110012442 | LINEAR TYPE VIBRATION MOTOR HAVING MAGNET CASING - A linear type vibration motor having a magnet casing is disclosed. The linear type vibration motor in accordance with an embodiment of the present invention includes a magnet assembly having a pair of magnets, in which same magnetic poles thereof face each other, a magnet casing, which has a hollow part formed therein and houses the magnet assembly in the hollow part, a base, which has a bobbin formed thereon and in which the magnet casing is inserted into the bobbin, a coil, which is coupled to the bobbin, a weight, which is coupled to both ends of the magnet casing, and a pair of elastic bodies, which are interposed between either end of the base and either end of the weight, respectively. Thus, the operating lifetime of the linear type vibration motor can be extended, and this arrangement can prevent the linear type vibration motor from being damaged by an external shock. | 01-20-2011 |
20110074228 | VIBRATION MOTOR - A vibration motor is disclosed. In accordance with an embodiment of the present invention, the vibration motor includes a cylinder-shaped coil unit, a vibrator, which is inserted into the coil unit and includes a magnet that forms an asymmetric magnetic field in a vibration direction, and an elastic body, which elastically supports the vibrator. Thus, the vibration motor can have a nonlinear characteristic, and thus a frequency bandwidth in which a resonance occurs can be expanded. | 03-31-2011 |
20110074229 | VIBRATION MOTOR - A vibration motor is disclosed. In accordance with an embodiment of the present invention, the vibration motor includes a base, a vibrator, which reciprocates in the base, a protruding part, which is formed on at least one of the base and the vibrator, and an elastic body, which is interposed between the base and the vibrator and has a through-part formed therein and in which the protruding part is inserted into the through-part and the elastic body is coupled to the base or the vibrator by caulking or bending the protruding part which is protruded through the through-part. Thus, the vibration motor can have a uniform resonant frequency characteristic since a spring is coupled by way of caulking or bending. | 03-31-2011 |
20110101797 | VIBRATION MOTOR - A vibration motor is disclosed. In accordance with an embodiment of the present invention, the vibration motor includes a base, a vibrator, which reciprocates, a coupling part, which is protruded on at least one of the base and the vibrator, and a leaf spring, which includes a frame and an elastic part. Here, the frame is coupled to the coupling part and disposed apart from the base or the vibrator in which the coupling part is formed, and the elastic part is extended from the frame and elastically supports the vibrator. Thus, the leaf spring can be prevented from having concentrated stress and damage occurred, thereby improving the lifetime of the leaf spring. | 05-05-2011 |
20110101799 | LINEAR VIBRATOR - A linear vibrator is disclosed. The linear vibrator in accordance with an embodiment of the present invention includes a base, a coil unit, which is coupled to the base, a magnet assembly, which forms a closed circuit of a magnetic force perpendicular to an electric current flowing through the coil unit and in which the magnet assembly relatively moves with respect to the coil unit, and an elastic member, which elastically supports the magnet assembly. Thus, a linear vibrator with an increased driving force can be provided by preventing the leakage of magnetic flux. | 05-05-2011 |
20150213832 | SPINDLE MOTOR AND HARD DISK DRIVE INCLUDING THE SAME - There is provided a spindle motor including: a lower thrust member fixed to a base member; a shaft having a lower end portion fixed to the lower thrust member; and a rotating member rotating around the shaft and having a circulating hole formed therein in order to circulate a lubricating fluid, wherein a thrust dynamic groove is formed in at least one of facing surfaces of the rotating member and the lower thrust member, and an air bubble collecting groove having a ring shape is formed in at least one of the facing surfaces of the rotating member and the lower thrust member so as to be overlapped with the circulating hole. | 07-30-2015 |
Patent application number | Description | Published |
20110273341 | COMMUNICATION TERMINAL AND ANTENNA APPARATUS THEREOF - A communication terminal and an antenna apparatus of the communication terminal are provided. The communication terminal includes a board body having a structure of a flat panel, an antenna element which is arranged at one end of the body and, when electric current is supplied, resonant in a resonant frequency band for transmitting and receiving signals, and at least one blocking plate which is arranged around the antenna element and alters, when the antenna element is resonant, at least one of a radiation pattern and a radiation strength of the antenna element. | 11-10-2011 |
20110273342 | COMMUNICATION TERMINAL AND ANTENNA APPARATUS THEREOF - A communication terminal and an antenna apparatus of the communication terminal are provided. The communication terminal includes a body having a circuit board, an antenna element which is mounted inside the body and connected electrically to the circuit board and, when electric current is supplied via a main plate, resonant in a resonant frequency band for transmitting and receiving signals, and a metal case having an antenna pattern which is coupled to an edge of the body to be resonant and, when the antenna element is resonant, in the resonant frequency band for supporting operation of the antenna element. | 11-10-2011 |
20120044114 | BUILT-IN ANTENNA AND METHOD FOR IMPROVING ANTENNA EFFICIENCY - A built-in antenna of a portable terminal and a method of forming the same are provided. The built-in antenna includes a first conductor having a specific length and used for a ground, a second conductor disposed with a specific distance in parallel to the first conductor to couple with the first conductor and used for power feeding, and a separating element disposed between the first conductor and the second conductor to separate the first and second conductors. Accordingly, the built-in antenna may exhibit a smooth radiation property even if a metal construction is used in a device and thus may implement robustness improvement of the device and make the device slim and have an attractive outer appearance. In addition, a method of improving antenna efficiency may prevent deterioration of the radiation property of the antenna radiator of the related art by using simple processing, and the metal construction may be used as a radiator. | 02-23-2012 |
Patent application number | Description | Published |
20080205344 | Method, medium, and system for searching crossover router and method, medium, and system for reserving resources in mobile network - A method, medium, and system for reserving resources in a mobile network. A mobile node reports a start of a handover to a present access router if the handover of the mobile node occurs, and the previous access router transmits specified session information to a candidate access router that has a possibility handling the mobile node's handover. A candidate crossover router, which performs a resource reservation work on a new path and a resource release on the previous path, is searched, and a localized resource reservation is established by exchanging a specified resource reservation message before the handover is completed if the candidate crossover router is determined. Accordingly, duplication of resources can be prevented, and a prompt resource reservation can be achieved during the handover. | 08-28-2008 |
20080298321 | MULTIMODE TERMINAL FOR SUPPORTING FAST HANDOVER BETWEEN HETEROGENEOUS NETWORKS - A multi-mode terminal (MMT) including a plurality of interfaces which provides access capability to heterogeneous networks respectively to provide quick handover between the heterogeneous networks, is provided. In this instance, when a Binding Update (BU) message is transmitted to a home agent via each of the plurality of interfaces, routers existing in a path to the home agent may update path latency information and path bandwidth information as a Binding Unique Identifier (BID) sub-option extension of Mobile Nodes and Multiple Interfaces in Internet Protocol version 6 (MONAMI6). In this case, the home agent may receive the BU message and select a care-of address (CoA) by referring to path latency information and path bandwidth information, included in the BU message. Also, the home agent may transmit a success binding acknowledgement (BAck) message with respect to the BU message of the selected path. | 12-04-2008 |
20110157299 | APPARATUS AND METHOD OF VIDEO CONFERENCE TO DISTINGUISH SPEAKER FROM PARTICIPANTS - Disclosed are a system and a method that generates image data that represent a speaker to be distinguished, and enables a mobile terminal to provide a video conference service using the image data that distinguishes the speaker. A video conference apparatus may include a speaker distinguishing unit to distinguish, as a speaker, a participant who is speaking from a plurality of participants in the video conference and an image data generating unit to generate image data that represents the distinguished participant differently from other participants. | 06-30-2011 |
20120113956 | MOBILE COMMUNICATION TERMINAL SUPPORTING MULTI-MODAL COMMUNICATIONS AND METHODS FOR PROVIDING SEAMLESS SERVICE UPON HANDOVER TO THE MOBILE COMMUNICATION TERMINAL - A method of providing a handover service to a mobile communication terminal supporting multi-modal communications, and a mobile communication terminal for performing the method are provided. More particularly, a method of eliminating an interruption of a data transmission service occurring during a handover between different communication networks, and a terminal for performing the method are provided. A method of providing a handover service of a mobile communication terminal supporting multi-modal communications can include: transmitting and receiving data to/from a corresponding node via a first access network and a second access network while simultaneously maintaining an association with the first access network and the second access network, determining a point in time of completing a handover registration, and releasing an association with the first access network after the point in time of completing the handover registration. | 05-10-2012 |
20120331323 | DEVICES AND METHODS FOR SAVING ENERGY THROUGH CONTROL OF SLEEP MODE - A system for saving energy through control of a sleep mode, and a method of operating the system are provided. The energy-saving system may enable a proxy device to maintain a minimum basic setup necessary for a communication when a host device enters a sleep mode, and may omit an operation performed based on the basic setup when the host device switches to a communication mode, thereby enabling a smooth switch between the sleep mode and the communication mode. | 12-27-2012 |
20130028160 | COMMUNICATION METHOD AND DEVICE FOR ENHANCING ENERGY EFFICIENCY - Provided is a method and device for increasing energy efficiency by adaptively performing clipping with respect to an input signal. The method may adaptively determine a clipping ratio (CR) based on a modulation method of the communication device and perform clipping based on the determined CR. | 01-31-2013 |
20130244716 | METHOD FOR DETERMINING TRANSMISSION POWER IN MIMO SYSTEM BASED ON COOPERATIVE TRANSMISSION - A method for determining a transmission power in a multi-input multi-output (MIMO) system based on a cooperative transmission is provided. The method includes setting a power constraint condition of a transmitter and target quality information of a receiver. The method further includes determining the transmission power to be allocated to the transmitter to transmit the data to the receiver based on the power constraint condition and the target quality information. | 09-19-2013 |
20130286911 | METHOD AND APPARATUS FOR USER SCHEDULING IN MULTI-USER MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) COMMUNICATION SYSTEM - A method and apparatus for user scheduling in a multi-user multiple input multiple output (MIMO) communication system are provided. The method includes identifying a user group comprising user terminals. The method further includes comparing power consumptions based on the user group. The method further includes scheduling the user terminals based on the comparing. | 10-31-2013 |
20140011508 | METHOD AND APPARATUS FOR DETERMINING NUMBER OF ANTENNAS IN MULTIPLE INPUT MULTIPLE OUTPUT (MIMO) COMMUNICATION SYSTEM - A method of determining a number of antennas, includes calculating a power used by a transmitting device. The method further includes calculating a channel capacity of the transmitting device. The method further includes determining a number of antennas of the transmitting device to be used based on the power and the channel capacity. | 01-09-2014 |
20140184456 | ANTENNA AND COMMUNICATION SYSTEM INCLUDING THE ANTENNA - An antenna and a communication system with the antenna are provided. The antenna may include a first layer including a plurality of folded stubs, a second layer including a pattern of the folded stubs, and a third layer connected to ground is disposed between the first layer and the second layer. | 07-03-2014 |
20140287734 | METHODS OF SWITCHING OFF POWER OF BASE STATIONS WITHIN CELLULAR NETWORKS BY USING MESSAGE PASSING, AND BASE STATIONS AND CELLULAR NETWORK SYSTEMS USING THE METHODS - A method of determining whether to switch off a base station's own power in the base station within a cellular network may comprise: receiving terminal messages having real number values from terminals within cell coverage of the base station; calculating real number values of base-station messages individually regarding the terminals based on the received terminal messages; transmitting the base-station messages having the calculated real number values individually to the terminals; repeatedly performing the receiving, the calculating, and the transmitting until the calculated real number values of the base-station messages are converged to constant values; when the real number values of the base-station messages are converged, calculating a base-station message convergence value, which is one real number value regarding the terminals, based on the converged real number values of the terminal messages; and/or determining whether to switch off the base station's own power based on the base-station message convergence value. | 09-25-2014 |
20140335804 | TRANSMITTER FOR SUPPORTING MULTIMODE AND MULTIBAND USING MULTIPLE RADIO FREQUENCY (RF) DIGITAL-TO-ANALOG CONVERTERS (DAC) AND CONTROL METHOD OF THE TRANSMITTER - A transmitter configured to support a multimode and a multiband, using radio frequency (RF) digital-to-analog converters (DACs), includes a first RF DAC configured to transmit a first signal in a first frequency band, and a second RF DAC configured to transmit a second signal in a second frequency band different from the first frequency band. The transmitter further includes an impedance controller configured to adjust impedance of one of the first RF DAC and the second RF DAC operating in an impedance matching mode to adjust a frequency range of another one of the first RF DAC and the second RF DAC operating in a data transmission mode. | 11-13-2014 |
20140348254 | METHOD AND APPARATUS FOR REDUCING PEAK-TO-AVERAGE POWER RATIO (PAPR) OF ORTHOGONAL FREQUENCY DIVISION MULTIPLEXING (OFDM) SIGNAL AND TRANSMITTER - Methods and apparatus for reducing a peak-to-average power ratio (PAPR) of an orthogonal frequency division multiplexing (OFDM) signal in an MIMO-OFDM communication system is provided, in which the method for reducing the PAPR of the OFDM signal may identify interference generated in an MIMO communication system, and adjust a clipping ratio (CR) for an effect of a clipping distortion to be less than an effect of interference. | 11-27-2014 |
20150103953 | APPARATUS AND METHOD FOR CONTROLLING POWER BASED ON ENERGY EFFICIENCY IN MULTIPLE-INPUT AND MULTIPLE-OUTPUT (MIMO) COMMUNICATION SYSTEM - Provided is an apparatus and method for managing a power consumption of a transmitter based on energy efficiency in a multiple-input and multiple-output (MIMO) communication system. The transmitter is configured to control a power of at least one of a baseband (BB) component, a radio frequency (RF) chain component, and a power amplifier (PA) component based on calculation of the energy efficiency. | 04-16-2015 |
20150229414 | COMMUNICATION METHOD AND APPARATUS - A communication method and apparatus for cancelling interference are provided. The communication apparatus includes an active element configured to receive a first signal and a parasitic element configured to receive a second signal. A third signal is generated by cancelling interference in the first signal using the second signal. | 08-13-2015 |
20150282098 | METHOD FOR DETERMINING TRANSMISSION POWER IN MIMO SYSTEM BASED ON COOPERATIVE TRANSMISSION - A method for determining a transmission power in a multi-input multi-output (MIMO) system based on a cooperative transmission is provided. The method includes setting a power constraint condition of a transmitter and target quality information of a receiver. The method further includes determining the transmission power to be allocated to the transmitter to transmit the data to the receiver based on the power constraint condition and the target quality information. | 10-01-2015 |
20150310108 | APPARATUS AND METHOD FOR COLLECTING MEDIA - Apparatuses and methods for collecting medium data items are provided. The apparatuses include a portable terminal which collects medium data items determined to be related to a particular event under a search condition according to an occurrence time of the particular event and classifies the collected medium data items records for the particular event. | 10-29-2015 |
Patent application number | Description | Published |
20080218956 | Plasma display device - A plasma display device allowing easy insertion of a cable into a cable connector and preventing skewing during insertion of the cable, may be constructed with a plurality of signal transmission members including a plurality of electronic devices and flexible cables, with one end of each signal transmission member connected to a circuit unit installed on a chassis base, and another end connected to the plasma display panel in order to transmit a signal that is generated by the circuit unit to drive the plasma display panel; and a plurality of cable connectors mounted on the circuit unit to electrically connect the signal transmission member to the circuit unit. Each cable connector has an inserting unit into which a cable of the signal transmission member is inserted, wherein the width of an inlet of the inserting unit gradually narrows toward the inside of the cable connector. | 09-11-2008 |
20080223998 | Display Device and Support Stand Therefor - A support stand for a display device includes a chassis base, a display panel, a connecting member, a stand member, and a shock absorbing member. The display panel is attached to the chassis base, and the connecting member is coupled to the chassis base. The stand member is connected to the connecting member such that the stand member supports the chassis base to which the display panel is attached. The shock absorbing member is disposed between the connecting member and the stand member such that the shock absorbing member absorbs a shock caused by a collision between the connecting member and the stand member. | 09-18-2008 |
20080232052 | Plasma display device - A plasma display device includes: a Plasma Display Panel (PDP); a chassis base adapted to support the PDP attached to one surface thereof; a plurality of Integrated Circuit (IC) modules respectively included on driving circuit boards attached to another surface of the chassis base and adapted to control the PDP; and a reinforcing member arranged on the chassis base, one surface of each of the IC modules being in contact with the reinforcing member. The integrated circuit module is attached to the reinforcing member which reinforces the mechanical strength of the chassis base, so that a heat sink is not needed. The thickness of a plasma display device is thereby reduced and the appearance of the plasma display device is improved. | 09-25-2008 |
20080239643 | DISPLAY DEVICE - A display devise includes a display panel and a chassis base supporting the display panel. At least one reinforcing member is attached to the chassis base to add rigidity to the chassis base and at least one stand is attached to the chassis base to allow the chassis base to stand upright. A guide stand couples the reinforcing member to the stand, the guide stand comprising a body and a reinforcing plate substantially extending at an angle from the body. | 10-02-2008 |
20100142151 | DISPLAY DEVICE - A display device is disclosed. In one embodiment, the display device includes i) a display panel configured to display an image, ii) a chassis base configured to support the display panel, iii) an auxiliary chassis disposed between the display panel and the chassis base, wherein one end of the auxiliary chassis covers and contacts an edge of the chassis base. The display device further includes i) a driving board disposed at the back of the chassis base and configured to drive the display panel and ii) at least one signal transmission member comprising at least one circuit device and configured to electrically connect the display panel and the driving board, wherein one side of the at least one signal transmission member is supported by the auxiliary chassis, and wherein the one side faces the edge of the chassis base. | 06-10-2010 |