baber/WOPTO huggingface dataset:
Patent KR-20030086703-A (KR)
Inventor: LEE JAE JIN
IPC: H01L23/36
Filed: 2002-05-06
Abstract: PURPOSE: A semiconductor package is provided to improve heat radiating capacity of a semiconductor chip and to easily process ground and power signals of a semiconductor die by attaching interconnection tape to a heat sink and by bonding the semiconductor die to the surface of the heat sink through a flip chip method. CONSTITUTION: A plurality of silver-plating regions(4,5) are formed on the heat sink(2) of an almost plate type. Insulation tape(11) is attached to the upper surface of the heat sink by using adhesive(6). A plurality of interconnection patterns are formed on the insulation tape of the interconnection tape(10). The semiconductor die(30) is electrically connected to the interconnection pattern through a conductive bump(40) in the center of the interconnection tape. An encapsulating material(50) surrounds the semiconductor die to protect the semiconductor die from the outer surroundings. A plurality of solder balls(60) are deposited on the interconnection pattern formed on the outer circumference of the semiconductor die.
Patent KR-20030086849-A (KR)
Title: A composition for whitening containing crown daisy extract
Inventor: HAN YEONG SUK
IPC: A61K8/97
Filed: 2002-05-07
Abstract: PURPOSE: Provided is a composition for skin whitening which contains a Chrysanthemum coronarium L. extract, as natural skin whitening material, selected from freeze-dried extract, hot water extract or ethanol extract. CONSTITUTION: A composition for skin whitening characteristically contains 0.01-10 wt.% of one or more kinds of Chrysanthemum coronarium L. extracts, as an active ingredient, selected from the group consisting of freeze-dried extract, hot water extract or ethanol extract. It inhibits tyrosinase activity to decrease the generation of melanin, and has extended storage.
Patent KR-20030087473-A (KR)
Title: A computer case have a compact disk depositary
Inventor: CHO BYEONG DEOK
IPC: G06F1/16
Filed: 2002-05-10
Abstract: PURPOSE: A computer main body having a CD-ROM storing part is provided to easily put out and use a CD-ROM without taking up space, to prevent the loss of the CD-ROM, to make a user arrange the CR-ROM well, and to prohibit the third person from using the CD-ROM. CONSTITUTION: A concaved part(31) having a diameter slightly bigger than the CD-ROM(20) is formed on an upper side(11) of the computer main body(10). A fixing rod(32) is formed on a center of the concaved part. A locking device(40) is formed on an upper end of the fixing rod.
Patent KR-20030090936-A (KR)
Title: Method for the preparation of multielement-based metal oxide powders
Inventor: JUNG GYEONG TAEK
IPC: B22F9/06
Filed: 2002-05-24
Abstract: PURPOSE: A preparation method of multielement metal oxide powder is provided to simply prepare nano multielement metal oxide powder which satisfies stoichiometric ratio, and in which particles are not agglomerated. CONSTITUTION: The method comprises the processes of preparing a precursor solution comprising compound of respective constituents composing metal oxide; obtaining a multielement metal compound precursor from the prepared precursor solution by precipitation or sol-gel reaction; and milling the obtained multielement metal compound precursor, wherein the multielement metal compound precursor is hydroxide, nitride, chloride, acetate, hydrate, alkoxide, sulfide and a mixture thereof of two or more metals selected from the group consisting of Li, Na and K, the group consisting of Mg, Ca, Sr and Ba, the group consisting of Ti, Zr and Hf, the group consisting of Si, Ge, Sn, Pb and Ce and the group consisting of Zn, Cr, Co, Mn, Ni, B, Mo, Br, P, Al, Y and Cu, wherein the multielement metal compound precursor is milled along with a diluent, wherein the diluent is selected from K2CO3, NaCl, CaCl2, MgCl2, Na2SO4, Na2CO3, Ca(OH)2 and a mixture thereof, wherein the preparation method further comprises the process of removing the diluent remained in the multielement metal compound precursor by dissolving the milled powder of multielement metal compound precursor into solvent, and wherein the precursor is fired to a temperature of 500 to 1,000 deg.C before and after milling the precursor.
Patent KR-20030093546-A (KR)
Title: Waste plastic/ground rubber tire composite and forms using the same
Inventor: AHN GI CHEOL
IPC: C08J11/00
Filed: 2002-06-03
Abstract: PURPOSE: Provided is waste plastic/ground rubber tire complex material having high elasticity and excellent in tensile strength, flexural strength, and impact absorption, which can be used for engineering and construction material like waterways, drain pipes, and septic tanks and median strips of roads. CONSTITUTION: The waste plastic/ground rubber tire complex material is obtained by a process comprising the steps of: mixing 10-50wt% of ground rubber tire powder to waste polyethylene resin; adding 5-20wt% of polypropylene as an organic additive and 5-20wt% of an adhesive resin comprising a polyolefin resin and maleic anhydride in the ratio of 1:0.3-0.4 to the waste polyethylene/ground rubber tire mixture; mixing and melting at 130-180deg.C. And the molded product of the waste plastic/ground rubber tire is produced by injecting or extrusion-molding the complex material.
Patent KR-20040000866-A (KR)
Title: A reaction controlling method of electrolyte melting installation in noncleanser washing machine
Inventor: JUN GYU DONG
IPC: D06F33/02
Filed: 2002-06-26
Abstract: PURPOSE: A reactivity adjusting method of an electrolyzer for a detergent-free washing machine is provided to improve stability of the system, and to prevent lowering of washing efficiency by restricting over current with varying power according to pH. CONSTITUTION: A microcomputer detects the present current consumption, and compares the present current with the upper limit from a memory after initialization(S501,S503). The supply current is compared with the lowest limit stored in the memory(S515), and voltage supplied to an electrode is compared with the lowest limit of voltage stored in the memory(S505). The microcomputer decreases supply voltage of 0.3 V, and keeps the present condition for a minute in case of supply voltage to be over the lowest limit at over current(S507,S509). The supply voltage is compared with the upper limit of voltage(S517), and error messages are transmitted to a display in case of electrolyte to be over the reference value in lowering the supply current to be less than the lowest limit of current(S531). The lowest limit of supply current increases if pH doesn't reach the reference value despite adding the electrolyte in lowering pH below the lowest limit(S513). The upper limit of supply current is lowered by deciding excess of hydrogen ion concentration in case of pH to be over the upper limit(S523).
Patent KR-20020069505-A (KR)
Inventor: LEE BYOUNG RAE
IPC: A61P3/10
Filed: 2002-06-26
Abstract: PURPOSE: A hypoglycemic agent containing polyphenol of a Camellia sinensis extract as an effective ingredient is provided which has an activity on inhibiting a degradation stage of starch into disaccharides in the process of intestinal absorption of starch and reducing blood sugar level of a diabetic patient. CONSTITUTION: About 5 to 20 parts by weight of distilled water is added to 1 part by weight of Camellia sinensis leaves powder, heated for 15min to 1hr, cooled to 4deg.C and filtered. Thereafter, the precipitate is dried, ground and then extracted in an organic solvent, followed by removing organic extracts to give a hypoglycemic agent containing polyphenol as a main component.
Patent KR-20040003677-A (KR)
Title: A control method of air conditioner
Inventor: CHOI HUI JONG
IPC: F24F11/02
Filed: 2002-07-03
Abstract: PURPOSE: A method for controlling operation of an air conditioner is provided to supply a cozy air-conditioned space by controlling operation of the air conditioner based on temperature and humidity during cooling operation. CONSTITUTION: A method includes the steps of: a step(200) in which a micro-controller controls an air conditioner to drive following operation control signal inputted by a user through a key input part; a step(210,220) stopping operation of a compressor when indoor temperature reaches desired temperature; a step(230) measuring indoor humidity; a step(235) detecting time for which the compressor stops; and a step(240) controlling the compressor to work if fixed time has passed since the compressor stops working, or the measured humidity is over preset value. The compressor is controlled to work even before the fixed time has passed if the humidity is increased over the preset value for because not only the indoor temperature but also the humidity influences coziness.
Patent KR-20040004833-A (KR)
Title: Method using access right differentiation in wireless access network, and secure roaming method thereby
Inventor: JANG GYEONG HUN
IPC: G06F21/62
Filed: 2002-07-05
Abstract: PURPOSE: A method for distributing an encryption key grading a link access right and a roaming method using the same are provided to prevent the delay due to the distribution of the encryption keys by using a fast secure roaming method. CONSTITUTION: A transmission terminal requests the authentication to an access point, and the access point decides a link access right(350,351). A public key set is generated by obtaining an encryption key according to the decided result(352,353). The transmission terminal requests the authentication to a LAN authentication server, and the LAN authentication server decides the link access right of the access point(354-358). The public key set is updated by obtaining the encryption key according to the decided result and adding the obtained encryption key to the public key set. The transmission terminal requests the authentication to a WAN(Wide Area Network) authentication server, and the WAN authentication server decides the link access right of the access point(359-361). The public key set is updated by obtaining the encryption key according to the decided result and adding the obtained encryption key to the public key set.
Patent KR-20020070192-A (KR)
Inventor: MIN SUNG WOOK
IPC: B23K26/03
Filed: 2002-07-05
Abstract: PURPOSE: An apparatus for automatically distinguishing marking position in a laser marking system is provided to automatically observe and distinguish the marking position of a workpiece. CONSTITUTION: In a laser marking system for marking the irradiated surface of the workpiece by irradiating laser beam outputted from a laser onto a workpiece(150) using a scan head(110), the apparatus for automatically distinguishing marking position in the laser marking system comprises a vision camera(120) which is capable of distinguishing the marking position by observing the marking position of the workpiece using a visible ray and obtaining image data on the observed workpiece(150); a total reflection mirror(130) for reflecting an incident visible ray from the vision camera(120); and a cold mirror(140) for reflecting the incident visible ray from the total reflection mirror(130) and penetrating the laser beam irradiated from the scan head(110), wherein the total reflection mirror(130) and cold mirror(140) are arranged in such a manner that the scan head(110) is conformable with a normal coordinate system on the workpiece(150) of the vision camera(120).
Patent KR-20040006066-A (KR)
Title: Maintenance apparatus for an ink-jet printer
Inventor: BYUN CHANG SU
IPC: B41J29/17
Filed: 2002-07-09
Abstract: PURPOSE: A maintenance device of an ink jet printer is provided to reduce noise and to save manufacturing cost by simplifying a structure of the maintenance device of the ink jet printer. CONSTITUTION: A maintenance device of an ink jet printer includes a slider(40) having a wiping member and a capping member, a cam(50), an actuating member(60) and first and second springs(70,80). The slider(40) has first and second wipers(41,42), first and second caps(43,44), and first and second slide holes(45,46). The slider(40) is slidably installed at a lower portion of first and second ink cartridges(23,25). First and second supporting shafts(11,12) are inserted into the first and second slide holes(45,46). The first and second wipers(41,42) and the first and second caps(43,44) are protruded from an upper surface of the slider(40).
Patent KR-20040006872-A (KR)
Title: a safety apparatus of bus door
Inventor: KIL GWAN SIK
IPC: B60J5/00
Filed: 2002-07-16
Abstract: PURPOSE: A door safety device of a bus is provided to operate-fix a brake pedal when passengers stand near a door and broadcast a warning sound to a driver and accordingly to prevent the starting of the bus and considerably improve safety for passengers. CONSTITUTION: A door safety device of a bus is composed of a plurality of proximity sensors(10) mounted to a door of the bus and a floor surface adjacent to the door to sense the existence of passengers and convert and output the result into an electrical signal; a control unit(20) for operating and fixing a brake pedal in receiving a signal for the existence of passengers from the proximity sensor and outputting a constant electrical signal to supply a predetermined warning sound; a solenoid valve(30) operated by an output signal of the control unit to fix the brake pedal in the operated state; and a buzzer(40) operated by the output signal of the control unit to supply the predetermined warning sound to the driver.
Patent KR-20040006888-A (KR)
Title: Lactic fermentation of high temperature for exhaust packing bag
Inventor: CHO MYONG HYON
IPC: B65D33/01
Filed: 2002-07-16
Abstract: PURPOSE: A light-shielding vinyl bag for fermentation of lactic acid is provided, to which a ventilation valve having a ventilation filter is easily attached, to prevent the bag from being swollen due to the gas generated by fermentation of feed materials packed in the bag, by discharging the gas to the outside and preventing ambient air from being induced into the bag, thereby providing sealing-packed feeds adaptable to high-temperature fermentation. CONSTITUTION: The light-shielding vinyl bag comprises: a packing bag(100) having upper and lower portions(102,103), side portions(105), a high-frequency fusion unit(106) and a high-frequency fusion seal(107); and an ventilation valve(111) for maintaining the internal pressure of the packing bag(100) at 50 g/cm¬2 or less by discharging the gas generated from the packing bag(100) to the outside and blocking external gas from being induced to the inside.
Patent KR-20040012349-A (KR)
Title: Semiconductor memory device of increasing replacement efficiency of defected word lines by redundancy word lines
Inventor: LEE HUI CHUN
IPC: G11C29/00
Filed: 2002-08-02
Abstract: PURPOSE: A semiconductor memory device improving replacement efficiency when replacing a failed word line with a redundancy word line is provided which improves redundancy efficiency by recovering the failed word line using a redundancy word line of two adjacent banks. CONSTITUTION: A number of banks(200,201,202,203,204) comprise a number of normal word lines and a number of redundancy word lines, and replace failed word lines with the redundancy word lines when the normal word lines have a defect. A number of sense amplifiers(210,211,212,213) are located between adjacent banks, and sense and amplify data of a bit line of the bank. A number of switching circuits(220,221,222,223,224,225,226,227) are located between the bank and the sense amplifier, and transmit data of the bit line of the bank to the sense amplifier in response to a control signal. And a control signal generation circuit(230) generates the above control signal.
Patent KR-20040013853-A (KR)
Title: monolithic bubble-ink jet print head and fabrication method therefor
Inventor: KIM YUN GI
IPC: B41J2/235
Filed: 2002-08-08
Abstract: PURPOSE: A monolithic bubble ink jet print head and a method for manufacturing the same are provided to prevent a fluid path structure from being inaccurately formed by forming a nozzle plate using dry film resist. CONSTITUTION: A monolithic bubble ink jet print head includes a silicon substrate(101), a first ink feeding path(102), a chamber plate(108) and a nozzle plate(109). The silicon substrate(101) is formed with a heater(106) for heating ink and a protective layer(105) for protecting the heater(106). The first ink feeding path(102) is formed by passing through the silicon substrate(101). The chamber plate(108) is formed on the protective layer(105) of the silicon substrate(101). The nozzle plate(109) is provided on the chamber plate(108) by patterning dry film resist through a photolithography process.
Patent KR-20040014848-A (KR)
Title: Moving apparatus for the auxiliary hanger of scrap basket
Inventor: BAEK HYEON TAEK
IPC: F27D3/00
Filed: 2002-08-12
Abstract: PURPOSE: A device for transferring subsidiary pulling hanger of scrap basket is provided to improve efficiency of scrap charging operation by sensing movement of subsidiary pulling hook, thereby automatically transferring subsidiary pulling hanger to a position where the subsidiary pulling hanger is easily hooked to the subsidiary pulling hook. CONSTITUTION: The device for transferring subsidiary pulling hanger of scrap basket comprises a power transmission part(100) comprising rotation shafts(120) respectively installed at both sides of one driving motor(110), bevel reducer gears(130) installed at an end of the respective rotation shafts(120), and screw bars(140) installed at the front of the bevel reducer gears(130); a hanger transfer part(200) comprising a transfer ram(210) connected to the front of the screw bars(140), and a subsidiary pulling hanger resting stand(220) which is rotationally installed at the front of the transfer ram(210), and to one side end of which weight(230) is adhered; and a hook position sensing part(300) comprising a pair of side supports(310) installed at a lower part of the hanger transfer part(200), and hook guide bar(320) and proximity switch(330) that are installed at the front of the side supports(310), wherein the hook guide bar(320) is contacted with subsidiary pulling hook, and the proximity switch(330) is interlockingly connected with the hook guide bar(320) to sense contact of the subsidiary pulling hook.
Patent KR-20040017971-A (KR)
Title: Device sensing for outlet door opening or closing for ice vending-machine
Inventor: KANG DEOK WON
IPC: G07F13/00
Filed: 2002-08-23
Abstract: PURPOSE: An automatic ice vending machine comprising a delivery door open/close recognition apparatus is provided to minimize operating profit reduction and selling error. CONSTITUTION: The automatic ice vending machine comprises a control room in a body case, and a storage room to store ice on its bottom, and a selling room to cut the ice stored in the storage room and to sell them. A mechanical room to cool the storage room and the selling room is partitioned in a body part. A control room door opens and closes the front of the control room. A selling room door opens and closes the front of the storage room and the selling room. And a door part is constituted with the control room door to open/close the front of the mechanical room. And the selling room door comprises a sensor unit to sense the open/close state of a delivery door(82) opening/closing a hole(81).
Patent KR-20020072271-A (KR)
Inventor: BAEK SOO GON
IPC: B62B5/02
Filed: 2002-09-02
Abstract: PURPOSE: A cart for moving up a flight of stairs is provided to go up and down a pair of stairs conveniently, and to transport cargo efficiently by moving the cart on the plane conveniently. CONSTITUTION: A cart is composed of a main body(60) including a loading compartment loading cargo, a plane wheel(20), a caterpillar(70), and a handle fixing unit; a step lifting unit converting into the caterpillar for going up stairs; a rotation control unit controlling rotational speed and direction of the caterpillar; a gravity center remaining unit loading cargo in the cart vertically; a handle adjusting unit controlling direction and height of the handle in going up stairs or moving on the plane; and a two-wheel operating unit moving the cart on the plane. Cargo is transported conveniently with moving up and down stairs or transferring the cart on the plane.
Patent KR-20030024634-A (KR)
Title: Image reading and recording apparatus
Inventor: AWAI TAKASHI
IPC: H04N1/04
Filed: 2002-09-18
Abstract: PURPOSE: An image reading and recording apparatus is provided to cut down manufacturing cost, and to decrease the size of the system by transforming the common transfer passage used by original or recording sheets. CONSTITUTION: An image reading and recording apparatus is provided with a carriage(4) having a drive switching gear, which transmits driving power to a reading drive gear train(42) only in a drive switching position. Then, when a reading command is issued, the carriage is moved to the drive switching position. For the operation, a driving motor that serves as one driving source is arranged to transmit the driving power thereof to the recording drive gear train and the reading drive gear train. Also, original and recording sheets(2) are unnecessary to pass different passages of transportation by shearing a common passage of transportation for use by original or recording sheets. The size of the apparatus is decreased, and the cost of manufacture is reduced.
Patent KR-20030025853-A (KR)
Title: Image forming apparatus
Inventor: TAKAYAMA HIROFUMI
IPC: G03G15/20
Filed: 2002-09-19
Abstract: PURPOSE: To provide an image formation device which can recover safety by on/off of a power source switch, even when abnormal data of a fixing device are written into a non-volatile memory. CONSTITUTION: A control part 10 checks the memory content of a non-volatile memory 11, when making current, and if no abnormal data of the fixing device is stored, it turns on electricity to a fixing device 5 normally. If any abnormal data of the fixing device are stored in at the non-volatile memory 11, the output of a main thermistor and sub-thermistor 15 and 16 are checked. If the fixing device 5 is lower than the specified temperature, electricity is turned on to the fixing device 5. When the fixing device 5 rises normally by doing so, normal electricity turning on to the fixing device 5 is conducted, after deleting the abnormal data of the fixing device of the non-volatile memory 11.
Patent KR-20040033200-A (KR)
Title: A method of displaying information with automation for mobile phone
Inventor: NA YEONG SUK
IPC: H04B1/40
Filed: 2002-10-11
Abstract: PURPOSE: A method for automatically displaying information in a mobile phone is provided to automatically display many pieces of information, managed by a selected menu among various menus in a mobile phone, in the regular order and at regular durations. CONSTITUTION: The user of a mobile phone displays all available menus through a display part and selects a menu to record, store, and manage desired information(S100). The mobile phone judges whether the user selects 'Automatic Display' for information that the selected menu manages(S110). In case that the user selects 'Automatic Display', the mobile phone judges whether the user selects and inputs a duration(S120). If the user selects and inputs a duration, the mobile phone displays associated information sequentially and consecutively through the display part according to the selected and inputted duration(S130). Then the mobile terminal judges whether all the information sequentially and consecutively displayed by the duration has been displayed or an interrupt is generated by the user(S140).