baber/WOPTO huggingface dataset:
Patent KR-20040023237-A (KR)
Title: Slide up/down bottom of a cellular phone
Inventor: AHN GYE HO
IPC: H04B1/38
Filed: 2002-09-11
Abstract: PURPOSE: A slide up/down button in a portable phone is provided to give convenience for the use of a portable phone by configuring up/down buttons, installed at a lateral surface of a portable phone, into a slide/push button so as to execute scroll and confirmation operations at the same time in the case of selecting a specific menu. CONSTITUTION: Existing up/down buttons installed in a portable phone are formed into a slide/push button(30). The slide/push button(30) is composed of slide up/down contact switches(31,32) and a push contact switch(33). The slide up/down contact switches(31,32) make contacts when the user pushes the slide/push button(30) up and down in order to select a specific menu. The push contact switch(33) makes a contact when the slide/push button(30) is pushed to confirm the selected menu.
Patent KR-20040023418-A (KR)
Title: Magnetic metal board for cooker of eletromagnetic induction heating method
Inventor: BAEK SUN HEUM
IPC: H05B6/12
Filed: 2002-09-11
Abstract: PURPOSE: A magnetic metal plate and a kitchen cooker are provided to achieve improved thermal efficiency and adhesive force, while preventing a deformation caused due to the thermal expansion. CONSTITUTION: A magnetic metal plate(10) has a thickness of 0.5 to 1mm, and a buffer hole(20) formed at the center of the inner surface of the magnetic metal plate. The buffer hole has a diameter of approximately 16 to 33% of the diameter of the magnetic metal plate. The magnetic metal plate has through holes(21). The areas of the through holes and the buffer hole of the magnetic metal plate occupies 20 to 40% of the total area of the magnetic metal plate.
Patent KR-20040024211-A (KR)
Title: Ribbon earth devise
Inventor: KIM GYU SAM
IPC: H01T4/00
Filed: 2002-09-13
Abstract: PURPOSE: A band grounding device is provided to achieve improved discharge efficiency by reducing pulse impedance and grounding resistance. CONSTITUTION: A band grounding device comprises a plurality of discharge pins(12) mounted on a grounding rod(10); and a lead wire(14) connected between the grounding rod and a building. The surge current produced from a lightning is received by using the lead wire and discharged under the ground. The grounding rod and the lead wire are arranged to form a single line through a cross sleeve(16). A grounding rod(10') is arranged perpendicularly to the ground rod(10) and protruded from both sides of the sleeve. A copper wire has an end connected to the lead wire, and a ground resistance reduction member(22) is arranged along the circumference of the copper wire.
Patent KR-20040028369-A (KR)
Title: Display device for vehicle
Inventor: YOO MYEONG HUN
IPC: B60K37/00
Filed: 2002-09-30
Abstract: PURPOSE: A display device is provided to switch screens for displaying a menu according to a user's will. CONSTITUTION: A sensing unit(20) is installed near a display device(10). A display screen is switched to an interface screen when a user get close to the display device according to a using will. The sensing unit is an infrared proximity sensor. Thereby, a design is considered and the using convenience of the user is improved.
Patent KR-20040029504-A (KR)
Title: Chip on film type semiconductor chip package
Inventor: KIM DONG HAN
IPC: H01L23/12
Filed: 2002-10-01
Abstract: PURPOSE: A COF(Chip On Film) type semiconductor chip package is provided to perform easily an inspection process for a patterned side of a semiconductor chip by exposing the patterned side of the semiconductor chip. CONSTITUTION: A COF type semiconductor chip package includes a film substrate(21) and a semiconductor chip(11). A sheet type copper wiring pattern(23) is formed on the film substrate(21). The semiconductor chip(11) includes a patterned side(12) on which a predetermined IC is formed. The semiconductor chip(11) is mounted on the sheet type copper wiring pattern(23) by using a bump bonding method. A through-hole(31) is formed on the film substrate(21) in order to expose the patterned side(12) from a bottom of the semiconductor chip(11).
Patent KR-20020097075-A (KR)
Title: Subscriber-based Ring-Back-Tone Service Method by using Switch's announcement device
Inventor: HAM HUI HYEOK
IPC: H04M/
Filed: 2002-10-01
Abstract: PURPOSE: A subscriber-based ringback tone service method through the sound resource transmission of an MSC(Mobile Switching Center) is provided to judge an error connection before the response of a termination subscriber and offer various ringback tone substitution sounds suitable for the characteristic of the termination subscriber by providing a specific sound registered or selected by the termination subscriber to a caller instead of the conventional progress tone and ringback tone. CONSTITUTION: If a random caller calls a termination subscriber and requests call connection, a corresponding origination MSC(31) requests termination location information to an HLR(Home Location Register)(10)(S501). The HLR(10) requests routing information to the termination MSC(32) according to the request(S502). The termination MSC(32) provides routing information i.e., a TLDN(Temporary Local Director Number) to the HLR(10)(S503). The HLR(10) provides a response message including predetermined service subscription information about the termination subscriber to the origination MSC(31)(S504). The origination MSC(31) requests code information corresponding to a telephone number of the termination subscriber to an IP server(70)(S505). The IP server(70) searches a sound source code connected to the termination telephone number from a database, and transmits the searched sound source code to the origination MSC(31)(S506). The origination MSC(31) performs the request of a trunk or ISUP(Integrated Services Digital Network User Part) call connection to the termination MSC(32) according to TLDN information in the response message(S507). The origination MSC(31) transmits a previously stored sound source corresponding to received sound source code information to a mobile terminal of the caller, and manages a trunk path to the termination MSC(32)(S508).
Patent KR-20040031833-A (KR)
Title: Structure of balance shaft assembly for automobile
Inventor: LEE BYEONG CHEOL
IPC: F16C1/02
Filed: 2002-10-04
Abstract: PURPOSE: A balance shaft assembly structure for an automobile is provided to form shaft support parts to support the minimum part of a balance shaft, thereby reducing weight of an engine and reducing the manufacturing cost. CONSTITUTION: Journals(11a,11b) are formed at front and rear sides of a balance shaft(10) to support the balance shaft. The balance shaft includes a first balance weight(12) on one side of a following gear(20), and a second balance weight(13) on one side of the rear side journal(11b). Shaft supporting parts formed of a support material in predetermined thickness are formed on both sides of a balance shaft carrier(30) to mount the balance shaft therein. The shaft supporting parts are formed to support only the journals of the balance shaft. A thrust surface support part(14) supporting a thrust surface of the balance shaft carrier is formed integratedly with the front side journal(11a).
Patent KR-20020086384-A (KR)
Inventor: KWON HYUK SOO
IPC: B21D28/26
Filed: 2002-10-08
Abstract: PURPOSE: A method for perforating several holes on surface of a nail file made of hard steel plate and stainless steel material and an apparatus for the same are provided to notably reduce production cost and to minimize failure rate of product caused by residual etching reagent, and to limit damage of punch-pin by making the punching process to be smoothly carried. CONSTITUTION: The method comprises forming holes by means of punch-pin(11) raising/falling by a press(10) to a steel sheet made of a thin stainless steel plate; punching in order from central portion of a section to be punched in a form of nail file toward outer portion; and punching and cutting both sides of the nail file and a handle part by means of notching skill to lead peripheral side of the punched portion into the desired shape. The apparatus comprises punch-pin(11), a securing plate(13) with a hole(13'), a cylindrical quill(12) around outer side of the pin(11), a plurality of ascending guide blocks(14) and notching blocks(15-1, 15-2), a punching block(16) and punching and notching holes(16').
Patent KR-20040031996-A (KR)
Inventor: KIM U HYEON
IPC: H01L21/283
Filed: 2002-10-08
Abstract: PURPOSE: A method for forming a contact plug of a semiconductor device is provided to be capable of simplifying manufacturing processes. CONSTITUTION: An interlayer dielectric(213) is formed on a semiconductor substrate(201) with a desired lower layer. A contact hole(215) is formed to expose a junction region of the substrate by selectively etching the interlayer dielectric. A polysilicon layer is sufficiently deposited on the resultant structure including the contact hole. The polysilicon layer is polished to expose the interlayer dielectric(213) by using first CMP using a slurry with a relatively high etching selectivity. Then, a contact plug(219) is formed in the contact hole by polishing the polysilicon layer and the interlayer dielectric using second CMP.
Patent KR-20040033866-A (KR)
Title: A IP Multicast Service Method using Virtual LAN(VLAN)
Inventor: JUNG HAE WON
IPC: H04L12/18
Filed: 2002-10-16
Abstract: PURPOSE: An IP multicast servicing method using a virtual LAN is provided to introduce a VLAN(Virtual LAN) where a lower layer is supported on an IP multicast, and to supply an IP multicast service at a desired speed through a very high speed network, thereby reducing burden of a network equipment while transmitting packets without processing an upper layer. CONSTITUTION: A sender(41) generates a multicast group(501), and requests group management of an IP multicast/VLAN manager(42) through an IGMP(Internet Group Management Protocol)(502). The IP multicast/VLAN manager(42) admits or rejects the request(503). If the IP multicast/VLAN manager(42) admits the request(503-2), the sender(41) broadcasts a multicast session to hosts(504). The IP multicast/VLAN manager(42) stores a VLAN ID within a range of receiving an SDP(Session Description Protocol)(505). If a host wants to participate in the multicast group, the host applies for a participation to the IP multicast/VLAN manager(42)(506,507). The IP multicast/VLAN manager(42) forms a new VLAN with the stored VLAN ID(508), and transmits a participation message in IP multicast method(509).
Patent KR-20040036406-A (KR)
Title: Apparatus for fixing specimen and Apparatus for grinding specimen of including thereof
Inventor: CHA JONG HUI
IPC: G01N1/28
Filed: 2002-10-25
Abstract: PURPOSE: A test sample fixing device and a test sample polishing apparatus having the same are provided to easily observe a thickness of a test sample provided on the test sample polishing apparatus during a polishing process for the test sample. CONSTITUTION: A test sample fixing device includes a plate(100), on which a test sample is placed, a receiving section(120) for receiving the plate(100), and an adjustment section(140) for adjusting a position of the plate(100). The plate(100) is made from an optical transmissive material such that a worker directly observes a polishing state of the test sample while the polishing process is being carried out. The receiving section(120) has a cylindrical shape formed with first and second slots. A micro screw(140) is screw-coupled into the second slot of the receiving section(120).
Patent KR-20030036033-A (KR)
Title: A method for manufacturing piezoelectric oscillation device, piezoelectric oscillation device, ceramic package and real time clock
Inventor: SHIMODAIRA KAZUHIKO
IPC: H03H9/02
Filed: 2002-10-30
Abstract: PURPOSE: A manufacturing method of a piezoelectric vibrating device, the piezoelectric vibrating device, a ceramic package and a real time clock are provided to improve frequency accuracy and aging characteristic without deteriorating a vibrator packaged portion. CONSTITUTION: After mounting a piezoelectric vibrator(14) at the first recess portion formed at a package body part(12), a lid(24) is mounted at the upper portion of the first recess portion. Then, the piezoelectric vibrator mounted recess portion is completely sealed by cutting the external communication under vacuum condition. After carrying out an aptitude discriminating process at the piezoelectric vibrator, an IC(Integrated Circuit) chip(18) is mounted at the upper portion of the resultant structure.
Patent KR-20040038200-A (KR)
Inventor: LEE HYEON GU
IPC: F16D23/06
Filed: 2002-10-31
Abstract: PURPOSE: A synchronizer of a manual transmission is provided to prevent friction between a C-shaped spring and a hub by improving separation-preventing structure of the C-shaped spring, uniformly elastically support a synchronizer spring, and remove restriction of design. CONSTITUTION: A synchronizer of a manual transmission comprises a hub(54) rotating integrally with a main shaft(52); synchronizer rings frictionally combined with clutch gears each installed on the sides of the hub; a sleeve movably combined to the outer peripheral surface of the hub, to give axial acting force for the synchronizing action of the synchronizer rings and the clutch gears, in moving; a synchronizer key(62) combined movably together with the sleeve, to decide the synchronizing positions of the synchronizer rings; a C-shaped spring(64) elastically supported to the bottom surface of the synchronizer key, to bring the synchronizer key into contact with the sleeve; and retainers rotatably installed on a side of the hub, to prevent separation of the C-shaped spring and circumferentially inserted in fitting grooves(64a) formed to the C-shaped spring. The sleeve is engaged with the clutch gears after the synchronizing is finished.
Patent KR-20040039755-A (KR)
Title: Union method of blade in reciprocating compressor
Inventor: AHN BYEONG HA
IPC: F04B39/00
Filed: 2002-11-04
Abstract: PURPOSE: A method for combining a partition plate of a compressor is provided to combine a rotary shaft with a partition plate by generating heat due to friction by rotating the rotary shaft while inserting the rotary shaft, thereby simplifying a work process. CONSTITUTION: A rotary shaft(120) is processed, having a predetermined length and an outside diameter. A partition plate(122) is formed in a curved surface having a sine wave form in predetermined thickness and area, and has a shaft combining hole in the center. The partition plate is inserted into an inner space of a cylinder assembly for partitioning the inner space into a plurality of spaces. The rotary shaft is inserted into the shaft combining hole of the partition plate by applying a predetermined temperature and pressure.
Patent KR-20040043233-A (KR)
Title: Cutoff in mobile phone
Inventor: KIM YU JUN
IPC: H04B1/38
Filed: 2002-11-16
Abstract: PURPOSE: A power cutoff device is provided to prevent damages of portable phone caused due to fluctuation of voltage even when the battery is separated from the portable phone at the state where the portable phone is not turned off by an end button. CONSTITUTION: A portable phone comprises a main body(11); a battery receptacle(13) arranged at the rear surface of the main body; a battery(12) accommodated in the battery receptacle in such a manner that the battery is detachable from the battery receptacle; a battery attachment/detachment unit for attaching/detaching the battery; and a power cutoff device for cutting off the power of the portable phone in accordance with the operation of the battery attachment/detachment unit. The power cutoff device includes a separating button switch(31) which turns on/off by the operation of a battery separating button(21); and a control unit(32) for cutting off the power of the portable phone in accordance with the signal of the separating button switch.
Patent KR-20040043642-A (KR)
Inventor: KIM JEONG BOK
IPC: H01L21/336
Filed: 2002-11-19
Abstract: PURPOSE: A method for forming a transistor is provided to guarantee the length of an effective channel of PMOS and NMOS transistors and maintain a uniform threshold voltage of the transistors in the entire region of a substrate by performing a low density impurity ion implantation process twice. CONSTITUTION: A gate(3) is formed on a semiconductor substrate(1). The resultant structure is slightly oxidized to form an oxide thin film on the gate and the substrate. The first low density impurity ions are implanted into the surface of the substrate at both sides of the gate without using a mask. The second low density impurity ions are implanted into the surface of the substrate at both sides of the gate while the region except the PMOS area of the substrate is masked. A spacer(7) is formed on both sidewalls of the gate. High density impurity ions are implanted into the surface of the substrate at both sides of the gate including the spacer to form a source/drain region(8).
Patent KR-20040046724-A (KR)
Title: steering angle changeable device of a vehicle
Inventor: RYU JUN SEONG
IPC: B62D6/00
Filed: 2002-11-28
Abstract: PURPOSE: A device for varying a steering angle of a vehicle is provided to secure easiness of the turning travel in low speed and stability of straight movement in intermediate and low speed by automatically forming a large gear ratio of the steering angle of a wheel to the driver's steering angle in turning in low speed and forming a relatively small gear ratio in traveling in intermediate and low speed. CONSTITUTION: A device for varying a steering angle of a vehicle comprises a linear slot(13) formed to a steering knuckle(11) to enable linear movement of a ball joint(9) to the steering knuckle in a direction in which the distance being apart from a wheel center of the steering knuckle is varied; a linear movement unit making the ball joint linearly move in the linear slot; a vehicle speed sensor of the vehicle; a steering angle sensor(3) of a steering wheel; and a controller(5) controlling the linear movement unit according to signals of the vehicle speed sensor and the steering angle sensor.
Patent KR-20030044841-A (KR)
Inventor: LANG JOHANNES
IPC: F04B1/04
Filed: 2002-11-28
Abstract: PURPOSE: A radial piston pump is provided to obtain an improved eccentric device for the radial piston pump by completely sealing up the eccentric device. CONSTITUTION: A radial piston pump comprises a rotating pump shaft(2) combining an eccentric ring(4) and a section(1), and a needle bearing arranged on the outer surface of the eccentric ring. The needle bearing comprises a needle bush(9) with boards(10,11). A bearing needle(7) to be guided in a cage(6) is rolled between the needle bushes. An outer track(8) of the bearing needle is formed by the inner surface of the needle bush. An inner track(5) is formed by the surface of the eccentric ring. A stop disk(12) is disposed on one side between the board of the needle bush and the eccentric ring. An inseparable unit is formed because the stop disk radially covers the eccentric ring. The front side of at least one pump plunger(14) extending radially to the pump shaft disposed in a pump housing is supported on the needle bush. The stop disk is supported in a peripheral groove(13) of the needle bush and is radially surrounded by the board adjacent to the needle bush. A circular groove(15) in which the cage is guided in the groove is disposed to the stop disk.
Patent KR-20040047083-A (KR)
Inventor: LEE WON U
IPC: F24C7/02
Filed: 2002-11-29
Abstract: PURPOSE: A microwave oven and a control method thereof are provided to prevent cooking defects excessively cooking the foods for cooking conditions not needing the residual cooking by setting an effective region that a sensor sensitively reacts within a sensor measurement period and completing cooking based on a cumulative value computed by totaling sensor measurement values during the set effective region. CONSTITUTION: A microwave oven comprises a sensor for measuring the states of air in a cooking chamber(2) and a control unit for setting an effective region for totaling measurement values detected by the sensor and controlling cooking completion time based on a cumulative value totaled during the set effective region. The control unit completes a cooking operation if the cumulative value reaches a pre-set value. The sensor is a humidity sensor(6) installed to a path discharged from the cooking chamber to the outside to measure the content of water generated in cooking the foods.
Patent KR-20040050304-A (KR)
Title: Structure for mounting abs hydraulic unit
Inventor: CHOI JAE IL
IPC: B60T8/00
Filed: 2002-12-10
Abstract: PURPOSE: Mounting structure of an ABS(Anti-lock Brake System) hydraulic unit is provided to reduce vibration and noise by mounting a rubber damper in the axial direction identical with the vertical vibrating direction of the hydraulic unit and to increase the durability. CONSTITUTION: An ABS hydraulic unit(20) includes an upper bracket(22) supporting the ABS hydraulic unit; a lower bracket(24) supporting the bottom of the upper bracket and fixing the bottom of the upper bracket to a vehicle body; a damping unit(26) arranged to the upper bracket in the axial direction; and fixing members(27) fixing the ABS hydraulic unit to the upper bracket. The ABS hydraulic unit is put on the damping unit and the damping unit performs damping operation as same direction as the vertical vibrating direction of the ABS hydraulic unit. The mounting structure of the ABS hydraulic unit separates the ABS hydraulic unit from the upper bracket by removing the fixing members.
Patent KR-20040050322-A (KR)
Title: A coupling for piping connection
Inventor: CHOI SUNG SIM
IPC: F16L21/02
Filed: 2002-12-10
Abstract: PURPOSE: A pipe-joint coupling is provided to firmly combine pipes and to surely seal the pipe joint through easy manipulation. CONSTITUTION: A recessed groove(10a) is formed in the front end of a socket(10). A round packing(11) is inserted to the recessed groove. A horizontal female screw(12) is formed on the inner circumference of the recessed groove. A horizontal male screw(22) is formed on the outer circumference of the front end of a pipe(20). A vertical protruded rim(21) is formed outside the recessed groove. The male screws of pipes are inserted to the inner circumference of the recessed groove. Outer circumferential faces(20a) of the pipes contact the inner circumference of the round packing, while the vertical protruded rim contact the outer face of the round packing and the outer end of the recessed groove.
Patent KR-20040051690-A (KR)
Title: A spheroidizing annealing method to soften medium carbon steel rapidly
Inventor: LEE DEOK RAK
IPC: C21D1/84
Filed: 2002-12-11
Abstract: PURPOSE: A spheroidizing annealing method is provided which is capable of rapidly softening medium carbon steel in a short time by maintaining the medium carbon steel for a certain time in a section where carbide is grown fast and rapidly cooling the medium carbon steel in other section in the cooling step of the medium carbon steel. CONSTITUTION: In a method for spheroidizing annealing medium carbon steel which contains 0.20 to 0.60 wt.% of carbon, and fine structure of which is consisted of ferrite and pearlite, the spheroidizing annealing method for rapidly softening medium carbon steel comprises a step of maintaining the heated medium carbon steel for 2 to 3 hours after heating the medium carbon steel to a temperature of Ac1 to Ac3; a step of maintaining the first cooled medium carbon steel for 2 to 4 hours after first cooling the medium carbon steel to a temperature of 705 to 715 deg.C in a cooling rate of 30 to 200 deg.C/hr; and air cooling the second cooled medium carbon steel after second cooling the medium carbon steel to a temperature of 650 to 680 deg.C in a cooling rate of 30 to 200 deg.C/hr.
Patent KR-20030080994-A (KR)
IPC: G11C16/08
Filed: 2002-12-16
Abstract: 필터나 증폭기 등을 포함하는 아날로그 회로에서, 제조공정시의 가공변동에 기인하는 각 소자의 값의 변동을 보정할 수 있는 아날로그 회로를 제공한다. 필터(FT1)는, 자기터널저항(MR)과 커패시터(C)가 L자형으로 접속된 로우패스 필터이다. 또한, 필터(FT1)에서는, 단자(T1, T2)가 입력단자가 되고, 단자(T3, T4)가 출력단자가 된다. 또한, 자기터널저항(MR)의 자화의 방향을 변경하는 전류는, 전류원(IP)을 통해 제공된다.