baber/WOPTO huggingface dataset:
Patent KR-20040098216-A (KR)
Inventor: JUN MYEONG PYO
IPC: H01P1/203
Filed: 2003-05-14
Abstract: PURPOSE: A matching circuit and a multi-layer duplexer having the matching circuit, concerned with reducing the physical length of a conductor pattern, are provided to enhance an insertion loss and band pass characteristics by bettering reflection characteristics of an antenna. CONSTITUTION: A transmission filter(60) electrically connected to a transmission terminal(TX) includes a plurality of strip resonance lines for passing a transmission signal therethrough. A reception filter(70) electrically connected to a reception terminal(RX) includes a plurality of strip resonance lines for passing a reception signal therethrough. A transmission matching unit(81) is made of a conductor pattern electrically connected with an antenna electrode(ANTE) connected to an antenna(ANT) and the transmission filter(60). The first ground electrode(GND1) is separated with a certain space in a vertical direction from the conductor pattern of the transmission matching unit(81). A reception matching unit(82) is made of a conductor pattern electrically connected with the antenna electrode(ANTE) and the reception filter(70). The second ground electrode(GND2) is separated with a certain space in a vertical direction from the conductor pattern of the reception matching unit(82). A matching circuit(80) matches with the transmission filter(60) and the reception filter(70).
Patent KR-20040100199-A (KR)
Inventor: KIM JU YEON
IPC: H04B1/38
Filed: 2003-05-22
Abstract: PURPOSE: A receiver of an electronic device having a shape suitable for space utilization is provided to minimize a space occupied by a receiver in an electronic device by reducing a volume of the receiver and varying its shape. CONSTITUTION: A cap-shaped yoke(7) includes a fixing hole at the center of a bottom surface. A pair of C-shaped magnets(5,6) for a speaker are mounted so as to face each other spaced apart from an outer edge of the yoke(7). A pair of plates(3,4) are mounted to face each other and cover an outer circumferential surface and upper portion of the C-shaped magnets(5,6). An outer circumferential surface of a dual dome-shaped vibration plate(1) is fixed at an upper portion of a frame(15) covering the yoke(7). A voice coil(2) is coupled at the bottom surface of the vibration plate(1) and wound in a cylindrical form. A lower plate(17) supports the frame(15), the plates(3,4), the yoke(7), the magnets(5,6) and a rotational shaft(10). An FPCB(Flexible Printed Circuit Board)(16) has a fixing groove at its central portion and a brush(14) standing at a certain angle and transmitting a drive signal to a rotor(11). A vibration motor magnet(12) has an annular form and is mounted at an upper portion of the plates(3,4). Both ends of the rotational shaft(10) are respectively coupled to the fixing hole of the yoke(7) and the fixing groove of the FPCB(16). The eccentric rotor(11) is mounted at the rotational shaft(10) and rotated by a drive signal transferred through the brush(14).
Patent KR-20040103596-A (KR)
Inventor: HAN GYU IK
IPC: B60H1/00
Filed: 2003-05-30
Abstract: PURPOSE: A heat pump system for an electric vehicle is provided to prevent noise by liquid compression and to prevent breakage of a compressor, by preventing a liquid refrigerant from flowing into the compressor. CONSTITUTION: A heat pump system for an electric vehicle comprises a motor compressor compressing and discharging a refrigerant; an inverter(20) supplying power to the motor compressor; an indoor heat exchanger(30); an outdoor heat exchanger(40); a four-way valve(50) connected to the discharge side of the compressor and connected to the indoor and outdoor heat exchangers to selectively convert a passage; an expansion valve(60) installed between the indoor heat exchanger and the outdoor heat exchanger; and refrigerant circulation pipes(70,80) formed between the motor compressor and the inverter to vaporize the refrigerant passing through the indoor heat exchanger and the outdoor heat exchanger.
Patent KR-20040105310-A (KR)
Inventor: JUN SEONG JUN
IPC: H04L12/28
Filed: 2003-06-05
Abstract: PURPOSE: A packet transmission device for generating a random back off time by using an FCS(Frame Check Sequence) bit value and a random back off time generating method therefor are provided to make an extracted bit value a random number, and to generate a random back off time of a corresponding packet through a simplified algorithm, thereby reducing time for generating the random back off time and minimizing a storage area. CONSTITUTION: A storage(32) stores packet information and algorithm information for generating a back off time. A medium sensor(34) senses wired/wireless medium usage states of wired/wireless communication networks. A transmitter/receiver unit(33) reads a predetermined bit value of an FCS area for CRC(Cyclic Redundancy Check) of a packet, generates a predetermined random back off time by using the stored algorithm information and the read bit value, and transmits the packet by counting the random back off time. A CPU(31) enables the transmitter/receiver unit(33) to generate the random back off time, and controls the packet to be transmitted to other terminal.
Patent KR-20040107683-A (KR)
Inventor: LEE EUN HO
IPC: F02M21/02
Filed: 2003-06-09
Abstract: PURPOSE: A vaporized fuel removal device of an LPI(Liquefied Petroleum Injection) engine injector is provided to make injection of liquid fuel supplied from a fuel tank smoothly executed by quickly removing the vaporized fuel existing in the injector when an engine is restarted and to improve startability of the engine. CONSTITUTION: A vaporized fuel removal device of an LPI engine injector comprises a return pipe(3) connecting an injector(1) and a fuel tank(2); a needle cylinder(4) in which a closed space(4a) is formed by a partition(4b); a piston rod(5) in which a suction passage(5a) is formed; a connection pipe(6) connecting the closed space and a surge tank(7); and a solenoid valve(8) installed to the connection pipe. The needle cylinder is installed to the side of the return pipe. The piston rod shuts off a passage of the fuel tank side by moving to the outside of the needle cylinder by the magnetic force formed to a coil magnet(11) when an engine is started, and makes the injector communicate with the closed space, and returns to the original position by the restoring force of a spring(9). The solenoid valve is opened when the piston rod is returned to the original position and then is shut.
Patent KR-20040110511-A (KR)
Inventor: LEE HYEON SEONG
IPC: H01L21/304
Filed: 2003-06-19
Abstract: PURPOSE: A chemical mechanical polishing apparatus for manufacturing semiconductor devices is provided to accelerate a process time by simultaneously performing a polishing process and a wafer transferring process. CONSTITUTION: A chemical mechanical polishing apparatus includes a polishing station(100), a plurality of polishing heads(300a,300b,300c,300d), a driver(242), and a transferring stage(120). The polishing station includes a plurality of flattens having polishing pads attached thereon. The plurality of polishing heads are implemented on an upper portion of the polishing station and include membranes for adsorbing wafers. The driver rotates the polishing head. The transferring stage is implemented on the polishing station to load/unload the wafer to/from the polishing head. The transferring stage includes a plurality of rotational transferring members(130).
Patent KR-20030059795-A (KR)
Inventor: CHO SUNG TAEG
IPC: A62B18/08
Filed: 2003-06-30
Abstract: PURPOSE: Provided is an apparatus for fixing lens for a gas mask, by which it is possible to mount a lens for vision correction on a window of a gas mask so that a user having a bad sight wears and acts without inconvenience. CONSTITUTION: The apparatus includes a fixing frame(40) releasably attached to a window of a gas mask and a pair of lenses(4) of glasses(30). The inner side of the fixing frame is connected to each other by a resilient body. At both sides of the upper part of the inner diameter of the fixing frame(40), a base piece(41) is formed. A rotating device(42) is fixed on the base piece(41). An outer tube(10) is connected to the rotating device(42) and is equipped with an elongate opening and a hole at the front side, a fixing hole and a control hole at one side and a fixing device at the other side. The apparatus also includes a movement member having a mounting groove and an engaging groove formed on an inclined surface which moves along the inside of the outer tube and a control device(31) having a transport space mounted on the mounting groove.
Patent KR-20050005136-A (KR)
Inventor: CHOI JEA WOON
IPC: A47B21/02
Filed: 2003-07-03
Abstract: PURPOSE: A computer table for lease is provided to allow a patient to conveniently use a computer in a ward and protect a main body or other components of the computer from theft. CONSTITUTION: The computer table includes an upper plate(11), an upper frame(10) consisting of at least one leg(12), at least one leg(22) for receiving the leg of the upper frame, a lower frame(20) consisting of lateral plate(21) supporting the leg, a wheel(30) mounted to the lower frame, a key board plate(40) and a mouse plate(50) detachably coupled to the upper frame, a receptacle member(60) fixed to the lower frame for accommodating a computer, and a height adjusting member for adjusting a depth of the left of the upper frame inserted into a groove of the leg of the lower frame.
Patent KR-20050009417-A (KR)
Inventor: YANG GI CHUL
Filed: 2003-07-16
Abstract: PURPOSE: An education system for advancing a real-time lecture with a real-time text scanning mode using the Internet and a method thereof are provided to solve a bandwidth trouble by fully distributing loads to whole lecture system, easily make contents of a high level from a time point that a lecturer starts the lecture, and gather the contents needed for an online education site in a short time. CONSTITUTION: A lecturer computer(300) makes a lecture scan image by scanning a textbook through a scanner and inserting lecture contents of the lecturer into the scan image, and make a lecture audio comprising a voice of the lecturer and a system sound corresponding to the lecture scan image. The lecturer computer provides the lecture scan image/audio to a trainee computer(200) connected through the information communication network(100) in real-time. An education hub server(400) opens the lectures by receiving information for the lecturer/lecture, enables the trainee to access the lecture by receiving attendance information, and provides the lecture of the real-time scan mode to the trainee computer by storing the lecture as a VOD(Video On Demand) file and a download contents file.
Patent KR-20050009437-A (KR)
Inventor: KIM BYEONG SU
IPC: E02B13/00
Filed: 2003-07-16
Abstract: PURPOSE: A water seal is provided to construct by replacing a supporting plate without cutting a mold, to conveniently handle by minimizing the size at a carriage and a storing and to satisfy the function of the water seal by smoothly shrinking according to a seasonal change. CONSTITUTION: A supporting plate(200) is separatable from a main body(110) to form a water seal(100). A hollow member(120) and a combination groove are formed in the center of the main body. The supporting plate is combined and fixed by inserting in the combination groove. Thereby, the construction of the water seal is performed easily and carried and stored conveniently.
Patent KR-20050010230-A (KR)
Inventor: WOO SANG DONG
IPC: B62D33/067
Filed: 2003-07-18
Abstract: PURPOSE: A cab tilting device of a freight vehicle mounted with first and second torsion bars is provided to prevent a cab from distorting or deformed by a load cell and a motor for equally working both torsions. CONSTITUTION: A cab tilting device of a freight vehicle installed with first and second torsion bars(54,55) of which ends are fixed at a frame to apply lift power to left and right sides of a cab(51) is composed of a worm gear(1) fastened and installed at one of the torsion bars to control torsion by rotating the torsion bars, wherein the worm gear is not rotated by torsion of the torsion bar; two load cells(2) settled and disposed in a contact member(56) of the cab at the position contacting with the torsion bars to measure pressure of the first and second torsion bars; an ECU(Electronic Control Unit,3) for outputting pressure by a signal transmitted from the load cells and comparing pressure differences; and a motor(5) engaged with the worm gear by a worm(4) to drive the worm gear if pressure difference is generated.
Patent KR-20050012557-A (KR)
Inventor: YUN JONG CHEL
IPC: H01Q23/00
Filed: 2003-07-25
Abstract: PURPOSE: A dual band Teflon layer-built chip antenna is provided to permit the antenna to have multi-band characteristics in a single antenna block. CONSTITUTION: A dual band Teflon layer-built chip antenna comprises a chip body(200), a first helical conductor(201), a second helical conductor(202), a third helical conductor(205), and voltage supply terminals(203,204). The chip body is made of a Teflon dielectric material. The first helical conductor is formed in the chip body, and the second helical conductor intersects the first helical conductor in the chip body. The third helical conductor has an end connected to the first helical conductor in the chip body. The first helical conductor and the second helical conductor are separated from each other. The first helical conductor and the second helical conductor have ends protruded toward a surface of the chip body so as to form the voltage supply terminals for applying power to the first helical conductor and the second helical conductor.
Patent KR-20050014163-A (KR)
Inventor: JANG MIN WOO
IPC: H01L21/76
Filed: 2003-07-30
Abstract: PURPOSE: A method for fabricating a semiconductor device is provided to avoid a defect in a boundary region, prevent a parasitic transistor effect and reduce a leakage current between cells by preventing a moat from being formed at the edge of an isolation region of a substrate in an STI(shallow trench isolation) process. CONSTITUTION: The first pad nitride layer pattern overlapping the first pad oxide layer pattern is formed on a semiconductor substrate(40). The semiconductor substrate exposed by the second pad nitride layer pattern is etched to form the first trench. A spacer made of a doped polycrystalline silicon layer pattern is formed on the sidewall of the first trench and the first pad nitride layer pattern. By using the spacer and the first pad nitride layer pattern as a mask, the semiconductor substrate at the bottom of the first trench is etched to form the second trench. A spacer made of the second pad oxide layer and the second pad nitride layer pattern is formed on the sidewall of the second trench and the polycrystalline silicon layer spacer. An isolating oxide layer(60) is formed on the resultant structure. The upper part of the resultant structure is etched to expose the first pad nitride layer pattern. The first pad nitride layer pattern is eliminated. An insulation spacer is formed on the sidewall of the exposed polycrystalline silicon layer spacer.
Patent KR-20050014598-A (KR)
Inventor: SEO YOUNG SOO
IPC: A63B43/06
Filed: 2003-07-31
Abstract: PURPOSE: A golf ball having an illumination unit is provided to allow a golfer to play a golf game even in the night by having a light emitter illuminated for a determined time according to the change of the impact energy into the electric energy when he/she swings. CONSTITUTION: The golf ball with an illumination unit includes: a transparent outer layer, made out of a synthetic resin; an elastic middle layer; and a core(7), in which several piezoelectric cells(11), a battery(12) and a light emitter(14) are built and connected with each other by means of a conductor. The outer layer is mixed with a diffuse-reflected material.
Patent KR-20040017210-A (KR)
Title: Production process for catalyst
Inventor: YUNOKI HIROMI
IPC: B01J37/04
Filed: 2003-08-07
Abstract: PURPOSE: A production process for the catalyst is provided to efficiently carry out the supporting of the catalytic component onto the carrier and obtain the catalyst having an excellent physical strength. CONSTITUTION: The production process for a catalyst including a particulate lump carrier and a catalytic component supported thereon comprises the step of carrying out simultaneous revolution and rocking of a treatment container(20) as charged with the carrier and a catalyst precursor including the catalytic component, thereby supporting the catalytic component onto the carrier, wherein the catalyst precursor is in the form of any one member selected from the group consisting of a powder including the catalytic component, a solution including the catalytic component, and a suspension including the catalytic component, wherein the treatment container is the shape of a cylinder having a length of 1 to 3 times of its diameter and has a horizontally oriented central axis, the carrier is charged in an amount of 10 to 60% of the capacity of the treatment container, the revolution is to revolve the treatment container at 5 to 60 rpm around the central axis, and the rocking is to rock the central axis at 1 to 12 spm in an upward and downward rocking angle of 5 to 90 degrees.
Patent KR-20050018708-A (KR)
Inventor: SON KYOUNG SUN
IPC: G06F3/03
Filed: 2003-08-08
Abstract: PURPOSE: A rolling-prevented digitizer pen for a mobile device is provided to minimize a missing risk of the digitizer pen by making the digitizer pen moved far from a position of a user, as the digitizer pen is not easily rolled on a flat surface by forming an external shape of the digitizer pen as a cylindrical barrel. CONSTITUTION: The cylindrical barrel(32) forms a body. A front and a rear cap(33,34) are respectively installed to a front/rear end of the barrel. A button(35) performs selection by being installed to the outside of the barrel. A tip(36) is installed to the front end of the barrel and inputs a signal to a display screen by directly contacting the display screen. A weight(37) is installed to the position apart from a rotational center at the inside of the barrel.
Patent KR-20050017927-A (KR)
Inventor: IN JUN KYO
IPC: H01J29/02
Filed: 2003-08-11
Abstract: PURPOSE: A shadow mask/frame assembly is provided to effectively suppress vibrations of a frame by attaching a damper to the frame. CONSTITUTION: A shadow mask/frame assembly comprises a shadow mask(110), a frame(120), and a damper(130). The shadow mask includes an aperture portion with a plurality of holes and a non-aperture portion formed at an edge of the aperture portion, and selectively passes electron beams. The frame is coupled to the non-aperture portion of the shadow mask, and elastically supports the shadow mask. The damper has one side fixed at the frame and the other side with a free end. The damper suppresses vibrations of the frame by permitting the free end thereof to collide or rubbed against the frame when the frame vibrates.
Patent KR-20050018113-A (KR)
Inventor: SHIN KWANG SEOB
IPC: B60R21/20
Filed: 2003-08-13
Abstract: PURPOSE: An expanding structure of an invisible-type air bag door is provided to facilitate a change in the design of the air bag door and to minimize the loss cost for the inferior work, by separately making the air bag door and a core member. CONSTITUTION: An expanding structure of an invisible-type air bag door(50) comprises a core member(40) installed to the lower side of a skin member(20) constituting the room surface part of a vehicle; the air bag door combined to a mounting part(42) of the core member; and reinforcing plates(70) each fixed to the air bag door and the core member. In the core member, an expanding part of an air bag is incised and the mounting part is formed. A fracture groove, to be fractured and expanded when the air bag is expanded, is formed to the air bag door. The reinforcing plate has a hinge part to make the air bag door hingably connected to the core member.
Patent KR-20050018535-A (KR)
Inventor: KIM SANG KYU
IPC: B60H1/08
Filed: 2003-08-16
Abstract: PURPOSE: An auxiliary heating apparatus for a vehicle is provided to extend the life span by increasing the indoor temperature of the vehicle room before heating the engine in the winter with a PTC(positive temperature coefficient thermistor), and to exchange heat efficiently by enlarging the radiating area. CONSTITUTION: An auxiliary heating apparatus of a vehicle comprises a heating unit(110) having an aluminum front panel, a PTC contacted to the front panel, a first electrode plate contacted to the PTC, a frame having a containing groove for storing the first electrode plate, the front panel and the PTC and an insulation plate inserted between the first electrode plate and the frame, plural radiating plates(120) having insertion holes for inserting the heating unit, a second electrode plate(130) fixed to the lower part of the radiating plate, and a base(140) having electrode insertion grooves(141) corresponding to the first electrode plate of the heating unit and the second electrode plate.
Patent KR-20050020132-A (KR)
Inventor: KIM KI SEON
IPC: G06F17/10
Filed: 2003-08-21
Abstract: PURPOSE: A channel estimation method based on a pilot symbol by using a Lagrange interpolation method and a receiving device for estimating a channel according to the method are provided to properly track a state of a suddenly changing channel by using an interpolation method using a Lagrange interpolating polynomial, thereby estimating a more remarkably changing channel state. CONSTITUTION: Each time slot is divided into two semi-slots, while pilot symbols included in each of the two semi-slots are restored. A channel estimation average value for the semi-slots is obtained by using the restored pilot symbols. A data symbol is estimated by applying a Lagrange polynomial interpolation for interpolating each channel estimation average value corresponding to a specific number of continuous semi-slots with the use of a polynomial curve line.
Patent KR-20050020223-A (KR)
Inventor: HONG SOON HAK
IPC: H04N5/225
Filed: 2003-08-21
Abstract: PURPOSE: A method for controlling a portable digital device adaptively displaying folder icons is provided to allow a user to search a desired menu more rapidly by displaying a reference folder icon and its lower menus preferentially or displaying a recently selected folder icon and its lower menus preferentially. CONSTITUTION: A reference folder icon among folder icons for setting an operating condition of a portable digital device and lower menus of the reference folder icon are displayed on a display panel when a user generates the first signal using a menu button switch. A folder icon selected by the user and its lower menus are updated. When the user generates the second signal using the menu button switch, recently selected folders icon and their lower menus are displayed on the display panel, and a folder icon selected by the user and its lower menus are updated.