baber/WOPTO huggingface dataset:
Patent KR-20010012244-A (KR)
Title: Activated vitamin D3 emulsion-type lotions
IPC: A61K47/44
Filed: 1999-03-03
Abstract: The present invention provides a pharmaceutical composition for local administration in the form of an emulsion that contains active vitamin D3 and is suitable for application to areas with (the) hair, while also having satisfactory pharmacological activity, primary drug stability and physical stability. This lotion contains (a) a therapeutically effective amount of active vitamin D3, (b) an oil phase component containing a solid oil component comprising white Petrolatum and a higher alcohol and a liquid oil component comprising squalane, (c) an aqueous phase component containing ionic polysaccharide, and (d) nonionic surfactant; wherein, (1) the content of said ionic polysaccharide is 0.3-1.0 parts by weight of the entire preparation, (2) the content of said higher alcohol is 0.2-1.0 parts by weight of the entire preparation, and (3) the HLB of said nonionic surfactant is 10 or more.
Patent KR-20010013385-A (KR)
Inventor: WEBER JEAN-PIERRE DI
IPC: G02B6/12
Filed: 1998-06-02
Abstract: The invention relates to a semiconductor laser, which can be butt-joint coupled to an optical fibre, by virtue of the fact that, in an end region of the laser device, power is coupled from an active waveguide, with a narrow mode, into a passive waveguide, with a wide mode. The active waveguide has an asymmetrical taper, formed by a diagonal etch across the active layer during fabrication.
Patent KR-20010020485-A (KR)
Title: 팽창 가능한 광학 하우징
IPC: G06F3/01
Filed: 1998-06-25
Abstract: 팽창 가능한 하우징은 시각적 이미지를 제공하는데 적합하고 분리된 컴퓨터 장치에 관련되어 사용된다. 상기 하우징은 하나 이상의 블래더(130)와 적어도 하나의 연합된 정렬 부재(140)에 의해 크기가 결정된다. 상기 장치(105)의 광학적 구성요소들은 디스플레이의 이미지를 제공하고/하거나 렌즈를 통하여 확대된 이미지를 향상시킨다. 상기 하우징은 가벼운 재질로 이루어지고 다수의 매개체를 구비한, 다수의 기계장치들에 의해 신속한 팽창과 수축에 적합하다. 본 발명의 실시예는 휴대용 장치 및 방법에 특히 유용하다.
Patent KR-20010014393-A (KR)
IPC: G06F3/02
Filed: 1998-07-02
Abstract: A tactile simulator has an array of actuators (1), with each actuator including a linear motor, the movable thrust rod (6) of which carries a force sensor (5). The position of each thrust rod (6) is sensed by a corresponding position sensor (8). Each actuator (1) also includes a corresponding controller (12) which drives the motor in dependence upon signals from the force sensor (5) and the position sensor (8). An array controller (13) controls the individual element controllers (12) in order to drive the thrust rods (6). The simulator can be used in a display mode, in which the thrust rods (6) are driven to occupy positions corresponding to a surface stored in a database, or in a scan mode, in which the thrust rods (6) are driven in to contact with a surface to be registered or recorded.
Patent KR-20010068855-A (KR)
Title: Constructing method for a framework of door
Inventor: AHN HONG GYU
IPC: E06B1/00
Filed: 2000-01-10
Abstract: PURPOSE: A doorframe constructing method is provided to easily replace only an outer doorframe, to mass-produce the doorframe and to assemble the doorframe on the spot. CONSTITUTION: An inner aluminum doorframe(20) is fixed in auxiliary wood(12) with screws. A variable inner doorframe(30) is fixed to be suited for an inner width. A variable outer doorframe(32) is stuck to the variable inner doorframe. A groove of an outer doorframe(40) is inserted in a flange of the inner aluminum doorframe. A side portion of the outer doorframe is inserted inside a pillar of the inner aluminum doorframe. Thereby, a twisting of the doorframe is prevented.
Patent KR-20010073263-A (KR)
Title: Integrated Circuit Card
Inventor: LEE JU HYEON
IPC: G06K19/07
Filed: 2000-01-13
Abstract: PURPOSE: An IC(Integrated Circuit) card is provided to embed a fingerprint sensor with a touch luminescence element and a CMOS image sensor, store fingerprint data of a user in advance, and simply compare the fingerprint data with fingerprint data input. CONSTITUTION: The device comprises an IC chip(24), a touch pad(26), a fingerprint sensor(50) and a plurality of touch pads(29). The IC chip(24) is installed at a base board(28), and the touch pad(26) is connected to the IC chip(24). The fingerprint sensor(50) is installed at other side of the IC chip(24), and the touch pad(29) is connected to the fingerprint sensor(50). The fingerprint sensor(50) includes a CMOS image sensor and a touch luminescence element. The touch luminescence element includes a transparent electrode layer, a luminescence layer, a dielectric layer, and a pollution proof layer. The transparent electrode layer contacts one end of an alternating current power source. The luminescence layer emits the light by electric field formed between the transparent layer and a touching object, and generates the photo image of surface patterns.
Patent KR-20010073410-A (KR)
Inventor: BAEK JI HEUM
IPC: G03F7/42
Filed: 2000-01-14
Abstract: PURPOSE: A resist remover composition is provided to improve the time required for removing resist film deteriorated by metallic byproducts, and minimize corrosion of metallic wires, especially copper wires, and to enhance facility in rinsing by using water only. CONSTITUTION: A resist remover composition is comprised of 10 to 40 wt.% of water-soluble organic amine compound, 40 to 70 wt.% of water-soluble organic solvent, 10 to 30 wt.% of water, 5 to 15 wt.% of organic phenol compound (formula 1) having two or three hydroxyl group, 0.5 to 5 wt.% of anionic compound having a perfluoroalkyl functional group, and 0.01 to 1 wt.% of polyoxy ethylene alkylamine ether surfactant. The water-soluble organic amine compound is preferably amino alcohol compound, and the water-soluble organic solvent is selected from a group consisting of dimethylsulfoxide, N-methyl pyrrolidine, dimethyl acetamide, and dimethyl formamide.
Patent KR-20000024087-A (KR)
Inventor: KIM HAN SUNG
IPC: G06F17/00
Filed: 2000-01-19
Abstract: PURPOSE: A combination method of a secret number using an image association is provided to minimize the loss of manpower and material by the secret number which a user can easily remember and it is difficult for others to find. CONSTITUTION: A server manager compose each places into groups by words and pictures which have the mean associated in advance.When a user certification is necessary in an operating system for computer or an application program, the server manager transfer the groups of words and pictures to user's computer by a network or programs and allows the user to select one each groups. The combination of words or pictures which the user selects in each groups is used as a secret number for user's certification.
Patent KR-20010077616-A (KR)
Title: The device(system) to destroy and remove the gas to be pushed out from the vehicles.
Inventor: KIM JAE DONG
IPC: F01N3/08
Filed: 2000-02-03
Abstract: PURPOSE: An exhaust gas eliminator of a vehicle is provided to remove pollution of exhaust gas generated from a vehicle by discharging the exhaust gas completely dissolved completely by water and an ultrasonic unit. CONSTITUTION: An exhaust gas eliminator of a vehicle consists of: an engine unit(1); an exhaust gas pipe(2) functioning as a path for discharging exhaust gas of a vehicle; a water tank(3) storing water for purifying the exhaust gas; a CPU(4) outputting a command to purify the exhaust gas with water and ultrasonic waves, discharging the exhaust gas to outside through an exhaust pump(10) and a muffler(11) with keeping pressure by explosion of the vehicle regular, and outputting a command to replace water automatically by sensing the proper replacing time of water through a suction pipe(8) and a drain pipe(9); an ultrasonic oscillator(5) generating ultrasonic waves from an ultrasonic vibrator(6); the ultrasonic vibrator generating ultrasonic waves by oscillating a vibrator; a foaming terminal(7) activating dissolution of exhaust gas and flowing the exhaust gas to a space above water promptly; and the muffler for minimizing noise generated from the exhaust gas. The exhaust gas is dissolved by water and ultrasonic waves through the foaming terminal. Therefore, the exhaust gas of a vehicle is removed completely.
Patent KR-20010082911-A (KR)
Title: Manufacturing method for perfluoroethane
Inventor: CHO UK JAE
IPC: C07C17/00
Filed: 2000-02-22
Abstract: PURPOSE: A method for preparing perfluoroethane (C2F6) is provided, to obtain the compound in milder condition without using the inert gas, thereby improving the conversion rate and the purity. CONSTITUTION: The method comprises the steps of reacting CoF2 with a fluorine gas in a reactor to obtain CoF3; reacting the fluorine gas unreacted and left in the reactor with sulfur (S) to obtain SF6, and removing SF6 for removing the unreacted fluorine gas; and reacting fluoroethane (C2FxHy, wherein x is equal to or larger than 1, y is equal to or larger than 6, and x+y=6) with CoF3 at 300-350 deg.C to obtain perfluoroethane. Preferably the fluoroethane is selected from 1,1,1-trifluoro-2,2-difluoroethane, 1,1,1-trifluoro-2-fluoroethane and 1,1,1-trifluoroethane.
Patent KR-20010084043-A (KR)
Title: The methods for ecommerce and Certificate Authorization System by means of dynamic password algorithm
Inventor: YU CHOON YEOL
Filed: 2000-02-23
Abstract: PURPOSE: An Internet commerce method and a document authentication system using a variable code algorithm are provided to activate an Internet commerce by enabling a user to receive an encoding/decoding program and to encode/decode data according to an encoding system set and registered by an encoding/document authentication company. CONSTITUTION: A user connects to a homepage of a shopping mall and purchases a product(31). The user judges whether the user's own bank selects and uses a customer information protection system(32). The user enters a site of the bank in case that the bank selects the system(33). The user enters a company site of the system in case that the bank doesn't select the system(34). The user inputs an account number and a password(35). In addition, the user inputs an account number of the shopping mall and the amount of money(36).
Patent KR-20000030488-A (KR)
Inventor: CHOE KWANG SEONG
IPC: G06Q99/00
Filed: 2000-03-03
Abstract: PURPOSE: A method of managing members and allowance for electronic commerce system is provided to more easily grasp the sales state of members and allowance supply status by managing the member information and sales level. CONSTITUTION: According to a method of managing members and allowance for an electronic commerce system, a leg(L) and final step(n=k) are established(S1). A member(i) from the initial step(n=0) to the final step(n=k) is read(S2). It initializes as the initial step(n=0), initial member(i=1)(S3). The initial member(i=1) of the initial step(n=0) is selected(S4). It determines if the lineal down member number(m) of the selected member is higher than the predetermined leg(C), the member of the leg(L) is registered as the lineal member and the rest of members are stood by(S6). It determines if the number of the current step(n) is the same as the number of the initial member(i=1)(S7). If not, the next member(i=i+1) is selected and returns (S8) to the step(S4). If so, it determines(S9) if the current step(n) is lower than the final step(k). If it is lower than that, the step is increased by one(n=n+1). After selecting the intial member(i=1) at the increased step(n=n+1), it returns to the above step(S4)(S10)(S11). After determining if the standing by member exists(S12), the members are registered to make an addition of the lineal down member(m) and the number of standing by members be lower than the leg(L), and the rest of the members are stood by(S13). If the standing by member does not exist(S12), the current lineal is registered as a member(S14).
Patent KR-20010086961-A (KR)
Title: Door chin device of door
Inventor: HU SANG EUN
IPC: E06B1/70
Filed: 2000-03-06
Abstract: PURPOSE: A doorsill is provided to automatically block a gap under a door by automatically moving downward when the door is closed. CONSTITUTION: A slide groove is formed under a door. A doorsill is formed in the slide groove to be inserted a guide protrusion(201). An operating plate(203) is installed at the opened center of the doorsill to be rotated around a hinge(202). A torsion spring(204) is fixed in the center of the doorsill by a fixing pin(205). An inclined doorsill screen(210) is inserted under the opened doorsill. Ribs(211) are formed on both sides of the doorsill screen to be combined with both ends of the torsion spring. Rollers(208) are installed under the operating plate at regular intervals. A piston(301) having a roller(302) is fixed under a doorframe. An opening hole(206) is formed at the center of the doorsill. When closing the door, the operating plate moves the doorsill screen downward by the piston. Thereby, a gap is closed.
Patent KR-20010086743-A (KR)
Title: Detergent & sponge hanger
Inventor: KANG EUN KYUNG
IPC: A47B81/02
Filed: 2000-03-02
Abstract: PURPOSE: A detergent container rack of a sink is provided to store a detergent container and a scrubber conveniently and hygienically. CONSTITUTION: A rack(3) is produced in a separating/assembling type and an integrated type. The rack is installed in front of a sink bowl of a sink(4). A drain hole is formed under the rack and the bottom to help the drying of a scrubber. Thereby, a user does not fall down by catching an arm on a detergent container. The scrubber is not put in the sink bowl by sliding. To store the scrubber, the moisture of the scrubber falls into the sink bowl. Moreover, an upper plate of the sink is cleaned.
Patent KR-20010091097-A (KR)
Title: A Barcode Checking System on Shopping Cart
Inventor: PARK YOUNG SU
IPC: G06K9/00
Filed: 2000-03-13
Abstract: PURPOSE: A mobile bar-code calculation system mounted on shopping a cart is provided to enable a consumer to complete calculation in advance by mounting a system for calculating commodity price on a mobile shopping cart. CONSTITUTION: A bar-code reader(30) reads out information of a bar-code sticked to a commodity. A display(40) displays the commodity information read out through the bar-code reader(30) to a customer. A speaker(45) outputs audio contents of the displayed information. A keypad(60) operates for reading the commodity information and for calculating. A memory(15) records data about the commodity information. A transmission unit(20) transmits the data of the commodity purchased by the customer. A control unit(10) receives the operation inputted from the keypad(60), reads the bar-code information of the commodity through the bar-code reader(30), outputs the result through the display(40) and the speaker(45), and transmits the result from the transmission unit(20) to a receiving unit(75) of a counter(70). A charging battery(50) supplies the control unit(10) with a power. A power supply unit(55) charges the charging battery(50).
Patent KR-20010092537-A (KR)
Title: System and method for distributing contents automatically
Inventor: PARK KWANG SOO
Filed: 2000-03-22
Abstract: PURPOSE: A system and method for automatically distributing contents is provided to automatically distribute the contents of an issuer and a site retaining useful contents, to a subscriber's bulletin board after selecting various option items such as the insertion of advertisements, the payment of subscription rates, etc. CONSTITUTION: A system for automatically distributing contents is composed of a network(10), a distributor server computer(11), an issuer computer(12), and a subscriber computer(13). The issuer computer(12) and the subscriber computer(13) access the distributor server computer(11) through the network(10). The issuer computer(12) retains contents to be distributed. The subscriber computer(13) subscribes to the contents of the issuer computer(12). The distributor server computer(11) determines the insertion of advertisements according to a selected option for the contents. The issuer computer(12) retains, distributes them to the subscriber computer(13), and calculates and reserves a commission according to a defined condition. The distributor computer(11) consists of a firewall server, a web/mail server, a member database, a contents database, an advertisement database, a control part, and an application program.
Patent KR-20010006965-A (KR)
Inventor: OSAKA AKIHIRO
IPC: B23Q3/18
Filed: 2000-04-07
Abstract: PURPOSE: To prevent particles from being deposited on the backside of a wafer when executing a notche alignment of the wafer and eliminate nonconformity occurring when a plurality of wafers are aligned at the same time. CONSTITUTION: Three supporting poles 105 are erected on a turntable 103. The outer peripheral part 104b of a wafer 104 is supported by a tapered part of a supporting pin 107 provided projectingly on the supporting pole 105. The turntable 103 is driven by a motor 106, and all wafers 104 are returned at the same time. While the wafers 104 turn, notches 104 thereof are detected by an optical sensor 116 provided on a sensor pole 117, and the detected angular positions are stored. according to the angular position data, the wafers 104 are turned, and they are subject to the notch alignment upwardly one by one from the lowermost side. The finished wafers 104 are picked up in sequence by the picking-up supporting pin 111 of a pole 110 and they are retracted from the supporting pole 105 turning for the notch alignment. When the alignment is thoroughly completed, the retracted wafers 104 are restored to the supporting pin 107.
Patent KR-20000058317-A (KR)
Inventor: KIM DEOK HEUNG
IPC: H05K3/46
Filed: 2000-04-11
Abstract: PURPOSE: A multi-layered printed circuit board and a method for producing the same are provided to enable minimization of the thickness and formation of fine pattern by using a flexible printed circuit board stacked with very thin films. CONSTITUTION: A printed circuit board is divided into the first board(21) and the second board(22) about a core resin layer(30) in the center. On the upper and lower side of the core resin layer(30), the first and second resin layers(31,32) are stacked in sequence. The resin layers(30,31,32) have circuit patterns(40,41,42). Blind via-holes(50) are provided to extend through the resin layers(30,31) and electrically connect the circuit patterns(40,41,42). The blind via-holes(50) are opened in the direction of the lower surface of the core resin layer(30). Plating layers(52) are provided in the inner side of the blind via-holes(50) to connect the circuit patterns(40,41,42). In the upper and lower surface of the printed circuit board(20), solder resists(60) are optionally placed to insulate between the circuit patterns(40,43). Through-holes(70) are provided to electrically connect the first and second boards(21,22). Plating layers(72) are provided in the inner side of the through holes(70). Solder resists(60) are provided in the through-holes(70).
Patent KR-20000071666-A (KR)
Title: 팬 구동 어셈블리용 마그네틱 자기저항 센터링과 마그네틱베어링을 구비한 가스 방전 레이저
IPC: H01S3/225
Filed: 2000-04-12
Abstract: 본 발명은 레이저 가스와 레이저 가스를 순환시키는 팬이 포함된 레이저 공동을 구비한 전기 방전 가스 레이저를 제공한다. 팬은 능동 래디얼 마그네틱 베어링 시스템에 의해 지지되고, 모터의 회전자 및 적어도 두개의 래디얼 베어링의 회전자가 레이저 공동의 가스분위기내에 밀봉된 무브러시 DC모터에 의해 구동되고, 베어링 마그네트 코일은 가스 분위기 외부에 위치된다. 스러스트 베어링이 제공되지 않는다. 샤프트의 축방향 위치결정은 적어도 두개의 래디얼 마그네틱 베어링과 무브러시 DC모터에 의해 발생되는 자기저항 센터링에 의해 제공된다. 바람직한 실시예에서, 모터 고정자는 마그네틱 센터링 효과를 증가시키기 위해 회전자보다 축방향으로 더 크다.
Patent KR-20000071726-A (KR)
Title: 반도체 기억 장치 및 메모리셀에 기억되어 있는 데이터의판독 방법
IPC: G11C16/06
Filed: 2000-04-19
Abstract: 감지 증폭기에 접속되는 주비트선의 전압 레벨의 변화를 어느 메모리셀을 선택한 경우에도 동일하게 하고, 기준 전압 설정의 마진을 크게 함으로써 액세스 타임을 향상시키는 반도체 기억 장치를 제공한다. 
     메모리셀용 트랜지스터 중 어느 하나를 선택하여 데이터의 판독을 행하는 경우에서도 감지 증폭기 회로에 접속되는 금속 배선에 인접하는 금속 배선의 전압의 인가 상태를 동일하게 하기 때문에, 선택된 메모리셀용 트랜지스터에 흐르는 방향을 제어할 필요가 있다.  이 때문에, 본 발명의 반도체 기억 장치의 뱅크 셀렉터(6A) 및 뱅크 셀렉터(6C)에는 종래예에 없는 전류의 방향 제어용 복수의 MOS 트랜지스터, 예를 들면 MOS 트랜지스터 BQ04, BQ05, BQ14, BQ15, BQ24 및 BQ25가 설치되어 있다.
Patent KR-20000077231-A (KR)
Title: 이동체 통신 시스템
IPC: H04W88/08
Filed: 2000-05-12
Abstract: 스타형과 다분기형의 단점을 보완한 새로운 구성의 이동체 통신용 광전송 시스템을 제공한다. 
     회선망 주파수 전기 신호와 무선 주파수 전기 신호 사이에서 변복조 처리하는 무선 변복조 장치(3)를 회선망(1)에 전기 신호 전송 케이블(2)을 통하여 접속하고, 무선 주파수 전기 신호와 광 신호의 변환을 행하는 중앙국(5)을 하향 및 상향의 광섬유 케이블(10a, 10b)을 통하여 광 신호의 분배 및 합성을 행하는 중계 전송국(11)에 접속하고, 이동체 통신기(8)와의 무선 통신 및 전기 신호와 광 신호의 변환을 행하는 복수의 단말국(7)을 중계 전송국(11)에 각각 하향용 및 상향용의 광섬유 케이블(12a, 12b)을 통하여 접속하여, 중앙국(5)과 중계 전송국(11) 사이의 접속은 적은 수의 광섬유 케이블로 접속하고, 중계 전송국(11)과 복수의 단말국(7) 사이는 각각 광섬유 케이블로 접속하여 독립성을 갖게 한다.
Patent KR-20010104912-A (KR)
Inventor: LIM JONG CHEOL
Filed: 2000-05-16
Abstract: 본 발명은 (A) 아크릴로니트릴-부타디엔-스티렌 공중합체(이하‘ABS 수지’라 함) 10 내지 50 중량부; (B) 아크릴로니트릴-스티렌 공중합체(이하‘SAN 수지’라 함) 40 내지 80 중량부; 및 (C) 고무의 중량평균 입자크기가 ABS수지(A) 고무의 중량평균 입자크기보다 작은 코어-쉘 그라프트 공중합체의 10 내지 50 중량부를 혼합 사용하여 제조된 웰드 강도가 향상된 스티렌계 열가소성 수지 조성물에 관한 것이다.
Patent KR-20010085180-A (KR)
Title: Liquid fuel's reforming system by ultrasonic wave
Inventor: RYU JUNG INN
IPC: C10L1/32
Filed: 2000-06-02
Abstract: PURPOSE: An ultrasonic modification system of liquid fuel is provided, to modify the vegetable oil with the high viscosity and the high flash point into the emulsified oil with the low viscosity and the low flash point by using an ultrasonic wave. CONSTITUTION: The ultrasonic modification system comprises a fuel tank(10) which stores a low quality of liquid fuel with a high viscosity; a water tank(20) which stores water; a stirring device(30) which stirs the liquid fuel delivered from the fuel tank(10) and the water delivered from the water tank(20); and an ultrasonic modification device(40) which comprises an ultrasonic wave generator for treating the liquid fuel and water delivered from the stirring device(30) by ultrasonication and an ultrasonic wave generation part. The ultrasonic modification device(40) is provided with a pathway to allow the liquid fuel and water flown in through an entrance to pass by successively, and a plurality of cylinders where the ultrasonic wave generation part is mounted.
Patent KR-20000054393-A (KR)
Inventor: SHIN JUN SIK
IPC: A61P29/00
Filed: 2000-06-03
Abstract: PURPOSE: A drug extract and an extraction method thereof are provided. The extract comprises substances which inhibit the proliferation of osteoclast and induce the osteogenesis, therefore it can be used for the prophylaxis and the treatment of chronic bone diseases and degenerative bone diseases such as chronic osteoporosis and rheumatoid arthritis. CONSTITUTION: A drug extract for the prophylaxis and the treatment of the chronic osteoporosis and the rheumatoid arthritis comprises 100g of Hordei Fructus Germinatus, 75g of Testudinis Plastrum, 150g of Lycii Fructus, 150g of Rehmanniae Radix Preparata, 100g of Cinnamomi Cortex Spissus, 100g of Okbal, 150g of Cibotii Rhizoma, 200g of Cervi Cornu, 200g of Salviae Radix, 150g of Ledebouriellae Radix, 150g of Achyranthis Radix, 150g of Acanthopanacis Cortex, 150g of Eucommiae Cortex, 100g of Scolopendra, 35g of Crataegi Fructus and 40g of Massa Medicata Fermentata. The method for the extraction comprises the steps of: mixing 2kg of the respective drugs in dry weight with 5 L of distilled water; slowly heating the mixture at 120°C for 6 hours; filtering and concentrating under vacuum; and lyophilizing the concentrate to yield the drug extract of 95g by weight.
Patent KR-20010110928-A (KR)
Inventor: KIM GYU HYEON
IPC: H03L7/093
Filed: 2000-06-09
Abstract: 레이아웃 면적의 증가 및 전력소모의 증가없이 커플링 현상 및 전하 인젝션 현상을 방지할 수 있는 전하펌프 회로가 개시된다. 상기 전하펌프 회로는, 풀업 전류원, 풀다운 전류원, 제1스위칭 소자, 및 제2스위칭 소자를 구비한다. 상기 풀업 전류원은 전류미러로 구성되고 출력노드에 펌프업 전류를 소싱한다. 상기 풀다운 전류원은 전류미러로 구성되고 상기 출력노드로부터 펌프다운 전류를 싱킹한다. 특히 상기 제1스위칭 소자는 전원전압 노드와 상기 풀업 전류원 사이에 연결되고 펌프업 제어신호에 응답하여 스위치된다. 상기 제2스위칭 소자는 상기 풀다운 전류원과 접지전압 노드 사이에 연결되고 펌프다운 제어신호에 응답하여 스위치된다. 또한 상기 전하펌프 회로는, 일단이 상기 제1스위칭 소자와 상기 풀업 전류원 사이의 접점에 연결되는 제1더미 커패시터, 및 일단이 상기 제2스위칭 소자와 상기 풀다운 전류원 사이의 접점에 연결되는 제2더미 커패시터를 더 구비할 수 있다.