baber/WOPTO huggingface dataset:
Patent KR-20010004136-A (KR)
Inventor: PARK MUN BAE
IPC: G03G15/14
Filed: 1999-06-28
Abstract: PURPOSE: A transfer unit of a wet electrophotographic printer is provided to smoothly carry out the attaching or detaching operation of respectively rollers and lifting operation of a transfer block in a photosensitive belt exchange mode, a printing mode and a printing standby mode. CONSTITUTION: A transfer unit of a wet electrophotographic printer includes a detachably attaching element for selectively attaching or detaching a photosensitive belt(1), a transfer roller(210) and a fusing roller(220), a lifting element for lifting a whole transfer block to detach or attach the transfer block from or into a mounting position in a main body of the printer, and a locking element(145) for locking the transfer block to the mounting position, wherein the transfer block includes a first plate(110) rotatably supported by a hinge shaft(160) supported in a main frame at a side and elastically biased by a first elastic element(111) at the other side in a lifting direction by the first elastic element, thereby supporting the transfer roller, a second plate(120) disposed in parallel with the first plate for supporting the fusing roller and having a side rotatably coupled with the first plate and the other side elastically biased by a second elastic element(112) in a direction getting near to the first plate, and a third plate(130) disposed in parallel with the first plate and having a side rotatably coupled with the hinge shaft, and the other side biased by a third elastic element(113) in a direction getting near to the first plate.
Patent KR-20010005358-A (KR)
Inventor: LEE CHEOL U
IPC: E02D29/14
Filed: 1999-06-30
Abstract: PURPOSE: A manhole's height and setting angle regulating apparatus is provided to prevent the flow of concrete and asphalt into a manhole through a crack, to concrete firmly to be able to endure high load and to exclude the finish work. CONSTITUTION: On installing a manhole's height and setting angle regulating apparatus by interposing a foundation bolt (11) on the both top ends of a manhole (10), penetrating a flange (21) of a manhole supportive frame (20) and regulating the height and setting angle of a manhole supportive frame (20) by a regulating nut (12) of a foundation bolt (11), a wrinkle tube (23) in the shape of small cymbals is connected to the lower part of a manhole supportive frame (20), thereby regulating the height and setting angle of a manhole supportive frame (20) according to the gradient of a road and paving with concrete and asphalt.
Patent KR-20010009664-A (KR)
Inventor: CHOI IL SEOK
IPC: C07C15/24
Filed: 1999-07-13
Abstract: PURPOSE: A method for preparing 1,5-dimethyltetralins by cyclizing reaction of 5-ortho-tolylpentene using a zeolite beta catalyst in place of conventional zeolite Y catalysts is provided, which has the advantage of requiring the succeeding process because of selectively manufacturing only 1,5-dimethyltetralins and produces the title compound in high yield. CONSTITUTION: The 1,5-dimethyltetralins are prepared by cyclizing 5-ortho-tolylpentene using a zeolite beta catalyst. The zeolite beta catalyst can be used in a wide range temperature of 80 to 250deg.C while conventional US zeolite Y catalysts are used in 120 to 150deg.C. The 1,5-dimethyltetralins are used as an intermediate of polyethylene naphthalate having excellent physical properties as compared to polyethylene terephthalate.
Patent KR-20010011552-A (KR)
Inventor: LEE KANG WON
IPC: G11B20/02
Filed: 1999-07-29
Abstract: PURPOSE: A method for recording/playing back voice of a music box is provided to secure various functions of a music box and to satisfy the desire of a user by recording celebration messages or greetings on a music box with voice of the user and then playing back the messages together with music sounds. CONSTITUTION: A microcomputer(10) decides input of a volume switch(SW1). The microcomputer sets volume as high, middle, low or off depending on input times such as once, twice, third times and fourth times. The microcomputer records voice when a recording switch(SW3) is turned on. Then, the voice or music sounds are played back when light is detected. Herein, both voice and music sounds is played back at the same time or the music sound is only depending on if a voice selecting switch(SW2) is turned on. In case of playing back the voice and music sounds at the same time, the music sounds are played back only after the voice is played back once.
Patent KR-20000017241-A (KR)
Inventor: JORUZU FREDERIC
IPC: H04J13/00
Filed: 1999-08-11
Abstract: PURPOSE: An apparatus for permitting different spreading factors with maintaining a common scrambling code for transmission in CDMA cellular mobile radio system is provided to accept a combination of codes having different lengths. CONSTITUTION: A grouping unit(311, 31K) groups various data symbols of a k-th input sequence(k=1, 2, K) by different blocks of symbol QMAX/Qk. A spreading unit(321, 32K) spreads the different blocks input from the grouping unit by a corresponding code having a length of Qk and obtains a spread sequence having a length QMAX including the different spread blocks. A scrambling unit(331, 33K) scrambles the spread sequences of the number of K obtained in the spreading unit, respectively using a scrambling code having a length of QMAX. Thereby, although it is requested that a combination of codes having different lengths be accepted, the apparatus can use a present decoding algorithm without correction.
Patent KR-20000017556-A (KR)
Inventor: CARRYZON
IPC: C08G77/08
Filed: 1999-08-26
Abstract: PURPOSE: Silicon polymer is prepared which has an improved thermal stability. CONSTITUTION: Siloxane (R4O(Si(R5)2O)tH; R4 is H or C1- C8 alkyl, aryl; R5 is hydrocarbon group or halogenated hydrocarbon; t is integer of more than 2) containing linear silanol group and phosphazene base are polycondensated, cyclosilanol and phosphazene base ((R1)2N)3P=N-)x((R1)2N)3-xPNR2; R1 is same or not, H or hydrocarbon group; 2 of R1 can form heterocyclic ring; R2 is H or hydrocarbon group; x is 1- 3) are ring-opening polymerized, and linear siloxane and cyclosiloxane compound(R2SiO)n; R is H, C1- C8 alkyl, alkenyl, aryl, etc.) and phosphazene base are polymerized. The reaction compound is neutralized in mixer or extruder, and stripped to remove a volatile material to give the polymer.
Patent KR-20010019601-A (KR)
Inventor: KIM JUNG JU
IPC: H04M11/06
Filed: 1999-08-28
Abstract: PURPOSE: The advertising system and method using communication systems is provided to offer message service and ARS information service to communication subscribers for free. CONSTITUTION: The advertising system using communication systems consists of the first mobile communication terminal(10), the second mobile communication terminal(20) and a repeater(30). The repeater(30) relays telephone communication between the first mobile communication terminal(10) and the second mobile communication terminal(20). The repeater(30) is comprised of a mobile communication relay processing unit, a user message storage unit, an advertising message storage unit and a synthesizing unit. The mobile communication relay processing unit amplifies the communication data of either the first mobile communication terminal(10) or the second mobile communication terminal(20) so that the data can be toward each opposite side. The user message storage unit stores and outputs a voice message and/or a character message from the first mobile communication terminal(10) and/or the second mobile communication terminal(20) according to a communication control signal from the mobile communication relay processing unit. The advertising message storage unit stores and outputs a voice advertising message and/or a character advertising message to provide it to the first mobile communication terminal(10) and/or the second mobile communication terminal(20). The synthesizing unit selects an output message from either the first mobile communication terminal(10) or the second mobile communication terminal(20) and sends the message to the opposite side.
Patent KR-20010019997-A (KR)
Inventor: PARK YONG SEON
IPC: H04B17/00
Filed: 1999-08-31
Abstract: PURPOSE: The channel simulator for broadband CDMA signals is provided to analyze wired/wireless connection call quality according to radio channel variations which is similar to actual operation environment, the implementation of handoff and handover functions, the formation of a call channel between a BTS(Base Transceiver Station) and a mobile station, and the effects of radio electric wave environment. CONSTITUTION: The BTS(100) has a transmitter(100a) and a receiver(100c) of the first BTS(BTS1) and a transmitter(100b) and a receiving part(100d) of the second BTS(BTS2). The first directional coupler(101) terminates output power output from the transmitter(100a) of the first BTS to a terminator(102) as a high power load and couples it at a coupling degree of 10dB. The first programmable step attenuator(103) attenuates power coupled at the first directional coupler(101) to a given level. The second directional coupler(104) terminates output power output from the transmitter(100b) of the second BTS to a terminator(105) as a high power load and couples it at a coupling degree of 10dB. The second programmable step attenuator(106) attenuates power coupled at the second directional coupler(104) to a given level. The first power coupler(107) couples power attenuated at the first programmable step attenuator(103) and power attenuated at the second programmable step attenuator(106). The first channel fading emulator(108) emulates the channel variations of power coupled at the first power coupler(107). An AWGN(Additive White Gaussian Noise) generator(110) generates AWGN. An interference signal generator(109) generates an interference signal. An adder(130) adds AWGN generated from the AWGN generator(110) and the interference signal generated from the interference signal generator(109). The first distributor(111) distributes AWGN as the first power and the second power.
Patent KR-20010025926-A (KR)
Inventor: JUN YEONG NAM
IPC: C02F11/04
Filed: 1999-09-01
Abstract: PURPOSE: Provided is a method for producing methane gas from garbage using three-stage methane fermentation system, which can produce a large quantity of methane gas with low HRT and a small reactor. CONSTITUTION: The method comprises the steps of a hydrolysis/acid fermentation step in which crushed garbage by a crusher (A) is mixed with water at the ratio of 1 to 1, and then conveyed to a hydrolysis/acid fermentation tank (B) wherein hydrolysis is carried out by aerobic bacteria and acid fermentation is carried out anaerobic bacteria in the condition of 28 to 32 deg.C of reaction temperature and pH range of 5.0 to 5.5; a primary acid fermentation step in which pretreated admixture of garbage and water is conveyed to the bottom part of a UASB (Upflow Anaerobic Sludge Blanket) type primary acid fermentation tank (C) by a pump (P), and then seeding thereto Clostridium butyricum for increasing yield rate of acetic acid and butyric acid in the condition of 33 to 37 deg.C of reaction temperature and pH range of 5.0 to 5.5; a methane fermentation step in which only liquid obtained during the primary acid fermentation step is conveyed to a methane fermentation tank (D) through a pipe installed up to middle part from upper part of the primary acid fermentation tank so that the conveyed liquid is fermented. The methane fermentation step is performed in the condition of 7.6 to 7.9 of pH range and 39 to 43 deg.C of reaction temperature.
Patent KR-20000022913-A (KR)
Inventor: CHO DAE SUNG
IPC: H04N1/41
Filed: 1999-09-03
Abstract: PURPOSE: A method and an apparatus for scalable encoding of a still image are provided to encode image information for adapting scaler to text information encoding by dividing the still image into unit blocks to make it possible of effective encoding as to a random shape information and by classifying the divided blocks according to the availability of Exclusive OR information of each pixel. CONSTITUTION: In a method for encoding, a shape information is scalable-encoded/decoded with an interleaved scan line method and a raster scan line method and is used in text information encoding. The method includes the encoding of shape information as to a chrominance component for correcting the chrominance component in an encoding step. The effective encoding is enabled by reducing the number of encoded pixels using the characteristics between an interleaved scan-line pixels or pixels between two layers in a shape of an encoded layer.
Patent KR-20010035819-A (KR)
Inventor: KIM GI SEON
IPC: H04B7/155
Filed: 1999-10-04
Abstract: PURPOSE: A method for allocating overhead channels in a base station is provided to simplify a configuration and to remarkably cut costs by allocating the overhead channels of many sectors to a channel card of one sector. CONSTITUTION: A program to execute a method for allocating overhead channels in a base station confirms whether the number of sectors is '0'(301). If the number is not '0', the program determines a Sec_ind to allocate overhead channels, based on a formula(302). The program judges whether the Sec_ind determined by a variable 'i' appointed by a user is smaller than or equal to '0'(303). If it is judged that the Sec_ind is smaller than or equal to '0', the program allocates an overhead channel to a sector 'alpha'(304) and reduces one sector from the number S(305). In case that it is judged that the Sec_ind is larger than '0', the program allocates an overhead channel to a sector 'beta' or a sector 'gamma'(306).
Patent KR-20000028818-A (KR)
Inventor: KIMURA HIROSHI
IPC: D06M15/00
Filed: 1999-10-04
Abstract: PURPOSE: A composition of finishing chemicals for a fibrous product is provided to have the finishing effect to the fibrous product such as clothes, dry goods, curtains and so on. CONSTITUTION: A composition of finishing chemicals contains an aqueous agent, a modified silicon, and a deodorant agent extracted from plants. The mixed amount of the deodorant agent is 0.01-3%, desirably 0.05-2%, and the mixed amount of the aqueous solvent is 70-99.86wt%. The composition of finishing chemicals for a fibrous product is used as an aqueous spray stored in a spray container of a trigger type or a dispenser type, and is used as a spray of an aerosol type. When the composition is used by being stored in the spray-typed container, the hastening agent of evaporation or a jetting agent is contained.
Patent KR-20000028992-A (KR)
Inventor: HIETALRA ALEXENDER W
IPC: H03J1/00
Filed: 1999-10-12
Abstract: PURPOSE: A method for increasing an automatic frequency controlling extent is to replace a high precis ion crystal with a low precis ion crystal in a high-frequency communicating device. CONSTITUTION: A method for increasing an automatic frequency controlling extent comprises steps of setting a receiving bandwidth for receiving a first signal at a first setting value, discriminating a frequency error from the first signal, adjusting a receiving rate of a receiving instrument to decrease the frequency error when the frequency error is greater than or equal to a first critical value. and setting the receiving bandwidth at a second setting value which is different from the first setting value when the frequency error is less than the first critical value. The process of setting the receiving bandwidth at a first setting value comprises a step of setting the receiving bandwidth at a wide-band setting value.
Patent KR-20000000416-A (KR)
Inventor: KIM YONG AN
IPC: F16L25/00
Filed: 1999-10-20
Abstract: PURPOSE: A connecting tube for a pipe use is provided to expect more perfect airtight quality and soundproof effect by forming a pulling prevention projection on the outer diameter of the outlet not so as to bias to one side when a discharging pipe is combined with an outlet. CONSTITUTION: The connecting tube for a pipe use comprises:a connecting tube(10) forming a hanging projection(12), an inserting groove(13) and a space part(14), on the inner circumference of an inlet(11) that flows fluid; an inserting groove(17) that inserts a discharging pipe(28) to be penetrated, a space part(19) and a hanging projection(16) formed on the inner circumference of an outlet(15) that discharges fluid from the inlet; a soft sound absorbing pipe(20) that is installed inside the connecting tube, forming a bent inserting buckle(23) that is inserted the inserting groove formed on the inlet of the connecting tube, and a flange part(25) that hangs the end limb part of the hanging projection formed on the outlet; many soundproof irregular weirs(26) into an embossing shape formed on the outer diameter part of a sound absorbing pipe(20) into a wave shape.
Patent KR-20000035228-A (KR)
Title: Piezoelectric speaker, method for producing the same, and speaker system including the same
Inventor: OGURA TAKASHI
IPC: H04R17/00
Filed: 1999-11-04
Abstract: PURPOSE: Present invention provides a piezoelectric speaker for use in, for example, audio equipment, a method for producing the same, and a speaker system including such a piezoelectric speaker to produce sound of a lower frequency range than the conventional piezoelectric speakers and to prevent a large peak dip in the acoustic characteristics. CONSTITUTION: A piezoelectric speaker includes a frame; a vibrating plate; a piezoelectric element provided on the vibrating plate; a damper connected to the frame and to the vibrating plate for supporting the vibrating plate so that the vibrating plate linearly vibrates; and an edge for preventing air from leaking through a gap between the vibrating plate and the frame.
Patent KR-20010047534-A (KR)
Title: Power-up circuit
Inventor: PARK GI DEOK
IPC: G11C5/14
Filed: 1999-11-22
Abstract: PURPOSE: A power-up circuit is provided to stabilize the operation of a circuit and use low power by largely reducing the consumption of a standby current as latching a power-up signal to a predetermined level through cutting off a DC current flowing in the power-up circuit when the operation of the circuit is stabilized by a power-up enable signal. CONSTITUTION: The power-up circuit includes a potential sensing portion(10), a power-up signal generating portion(20), a buffering portion(30), a potential latching portion(40), first and second switching portions(50,55) and a control signal generating portion(60). The potential sensing portion senses a potential level of power voltage. The power-up signal generating portion generates a power-up signal according to an output signal of the potential sensing portion. The buffering portion buffers the power-up signal to a predetermined potential level and then outputs. The potential latching portion regularly latches the potential of the power-up signal outputted by the buffering portion. The first and second switching portions are connected between power voltage applying terminal and the potential sensing portion and between the power-up signal generating portion and the ground terminal respectively cuts off a current path is formed in the potential sensing portion and the power-up signal generating portion according to switching on or off. By mixing a power-up signal with a clock enabling signal which is regularly maintained via the potential latching portion, the control signal generating portion generates a control signal to switch off the first and second switching portions when the power-up signal is enabled.
Patent KR-20000057022-A (KR)
Inventor: NISIYAMAGAZHIRO
IPC: G02F1/1333
Filed: 1999-11-29
Abstract: PURPOSE: A liquid crystal display device and a fabricating method thereof are provided to increase the contrast of the liquid crystal display device as well as to improve the visual angle characteristics of the liquid crystal display device. CONSTITUTION: A liquid crystal display device includes liquid crystal molecules(409), first and second substrates(403,406), and protrusions(401,404). The direction of the liquid crystal molecules(409) are varied in at least two directions sequentially or continuously. The alignment information according to the present invention is applied to the first and the second substrates(403,406). The alignment information is further applied on the liquid crystal molecules(409) by the protrusions(401,404) based on the directions of rubbing(407,408).
Patent KR-20010054514-A (KR)
Inventor: LEE GI YEONG
IPC: H01L21/768
Filed: 1999-12-07
Abstract: PURPOSE: A method for forming a multilevel interconnection line of a semiconductor device is provided to reduce contact resistance by increasing contact area with a plug, to prevent an open failure caused by misalignment, and to obviate electrical defects by residual plug material. CONSTITUTION: In the method, a planarized interlayer dielectric layer(104) is formed on a semiconductor substrate(100) having a lower interconnection line(102). Next, a conductive layer(106) is formed on the interlayer dielectric layer(104). The conductive layer(106) and the interlayer dielectric layer(104) are then sequentially etched to form a via hole exposing a portion of the lower interconnection line(102). Next, the plug(110) of conductive material is formed in the via hole, and then the conductive layer(106) is selectively etched to form an upper interconnection line. In addition, a capping metal layer(112) may be optionally formed thereon. Particularly, the upper interconnection line(106) is contacted with a lateral side of the plug(110) instead of topside in a conventional method.
Patent KR-20010055678-A (KR)
Inventor: KIM HONG GI
IPC: B60C9/10
Filed: 1999-12-11
Abstract: PURPOSE: A steel tire cord prevents process from being complicated and adhesive power from degrading according to time passed. CONSTITUTION: A steel tire cord has a characteristics of the fact that the plated amount of zinc coating(2) is 2¯8g per 1Kg of rod wire(1) and that of copper coating(3) is 0.1¯1.0g per 1Kg of the rod wire(1). The steel tire cord applies mechanical diffusion without separate thermal diffusion process to form brass stratum(4) so as to simplify process and coates copper only with the amount necessary to be adhered to tire rubber to reduce brass stratum(4) so as to prevent ageing adhesive power thereof from degrading by straining growth of copper sulfide layer between the tire rubber and the brass stratum(4).
Patent KR-20010060798-A (KR)
Inventor: KANG DAE YEONG
IPC: B21B1/26
Filed: 1999-12-28
Abstract: PURPOSE: A method for processing a hot rolled steel of high strength and high toughness is provided to secure the toughness by using a coarsening precipitate and to reduce a load of a hot rolling process by alternating a part of Mo with Ni. CONSTITUTION: A constitution is composed of: C of 0.05-0.09%; Si of 0.15-0.25%; Mn of 1.4-1.7%; Mo of 0.2-0.35%; Ni of 0.1-0.3%; Nb of 0.03-0.05%; Ti of 0.015-0.03%; N of 0.004-0.01%; S under 0.003%; and P under 0.02%. A reheating temperature of a slab is 1150-1200deg.C. A finishing temperature of cogging is under 960deg.C. A finishing temperature of a finishing rolling is 840-790deg.C. A reduction ratio is over 60%.
Patent KR-20010060873-A (KR)
Inventor: LEE MIN HO
IPC: H01L23/28
Filed: 1999-12-28
Abstract: PURPOSE: A BLP semiconductor chip package is provided to prevent flash in leads exposed from a package body by preventing overflow of a molding resin in a molding process of the package body. CONSTITUTION: A semiconductor chip(11) has a plurality of bonding pads(13) in a bottom leaded plastic (BLP) semiconductor chip package(10). Leads(21) are attached to an active area of the semiconductor chip(11) with an adhering tape(23). Each of the leads(21) has the leading end(21a) distanced from the bonding pad(13), and they are bent to have the outer leading end(21b) at the opposite direction of the semiconductor chip(11). The bonding pads(13) and the inner leading ends(21a) of the leads(21) are electrically connected via conductive metal lines(25). An adhering tape(27) crosses the leads(21) to prevent overflow of a molding resin. A package body(29) is formed in the upper portion of the active area of the semiconductor chip(11) to encapsulate the conductive metal lines(25) and a portion of the leads(21).