baber/WOPTO huggingface dataset:
Patent KR-940000880-B1 (KR)
Title: Ignition inspection method for oil fan heater
Inventor: MUN JUNG-KI
IPC: F23N5/12
Filed: 1990-05-29
Granted: 1994-02-03
Abstract: The sensing method for driving a heater during operating an oil fan heater, completely preheating a burner, discharging an igniter to fire and sensing the firing state by a flame sensor to allow for normal burning includes a firing determination step, an igniter discharge stopping step, a flame rod voltage level determining step, a continuous igniter discharging step, and a stable firing determining step, so that unnecessary power dissipation caused by igniter discharge is reduced while decreasing discharge noise, and incompletely burnt gas is not released during repeated discharge to inhibit the occurrence of bad smell.
Patent KR-0164845-B1 (KR)
Inventor: HAEGER BRUCE E
IPC: A61K9/19
Filed: 1990-06-13
Granted: 1999-01-15
Abstract: 내용 없음
Patent KR-970001625-B1 (KR)
Title: Apparatus for detecting n.i.c.a.m. language
Inventor: NA ILL-KOO
IPC: H04H5/00
Filed: 1990-06-30
Granted: 1997-02-11
Abstract: In case of a multiple language broadcasting, a NICAM language multiple broadcasting search apparatus sequentially searches and outputs a multiple language. So, the user recognizes a multiple-language broadcasting, and easily selects a desired language. The apparatus includes: a tuner and auxiliary part(10) for generating NICAM signal and FM audio signal(FMS); NICAM(12) for generating broadcasting state signals(MC2,CTL) by decoding NICAM language multiple broadcasting signal, and generating a left channel audio signal(PL) and a right channel audio signal(PR); a first switch(18) for selecting/outputting the left channel audio signal(PL), the right channel audio signal(PR), and the FM audio signal(FMS) according to a first switching control signal(SC1); second and third switches(20,22) for selecting/outputting an audio signal according to a second and third switching control signals(SC2,SC3); and a microcomputer(14) for outputting a selection signal(TS) to the tuner and demodulator(10), and controlling a multiple language broadcasting search of a received channel by selectively switching the first to third switching signals(SC1,SC2,SC3) according to the broadcasting state signals(MC2,CTL) of the NICAM(12).
Patent KR-960011269-B1 (KR)
Title: Epoxy resin composition for encapsulating semiconductor element
Inventor: KIM JIN-MO
IPC: C08L63/00
Filed: 1990-07-31
Granted: 1996-08-21
Abstract: The resin composition is prepared by adding epoxy-modified polyamic acid to the conventional epoxy resin composition comprising crezol novolak-type epoxy resin, hardener, inorganic filler, and curing accelerator. By the addition, the resin composition exhibits highly enhanced heat resistance and thus can result in a remarkable decrease of the number of cracks generated during the vapor pressure soldering process.
Patent KR-0184640-B1 (KR)
Title: Pharmaceutical lozenges
Inventor: SIXSMITH DAVID GEORGE
IPC: A61K9/20
Filed: 1990-12-12
Granted: 1999-05-01
Abstract: A gelatin-treated polyhydric alcohol is suitable as a carrier for medicinal agents, especially in lozenge form, for delayed dissolution on oral administration.
Patent KR-940003433-B1 (KR)
Title: Light sensor for image sensor
Inventor: KONG HYANG-SHIK
IPC: H01L31/12
Filed: 1990-12-18
Granted: 1994-04-22
Abstract: The image sensor formed by integrating electrode, photoconductive layer, transparent layer on a glass substrate, characterized in that the surface of said glass substrate is coarse to give improved information input capacity.
Patent KR-930002941-B1 (KR)
Inventor: SAWADA KATSUO
IPC: B29C47/02
Filed: 1990-12-27
Granted: 1993-04-15
Abstract: 내용 없음.
Patent KR-930003710-B1 (KR)
Title: The use of monohydric alcohol in molded polyurethane resins
Inventor: NELSON DONALD L
IPC: C08L75/00
Filed: 1989-06-16
Granted: 1993-05-08
Abstract: Disclosed are novel active hydrogen compositions comprising: (1) a polymeric polyol; (2) a low equivalent weight cross-linking polyol; (3) optionally a second polyol having an equivalent weight up to about 500; and (4) a sufficient amount of a monohydric alcohol of equivalent weight up to about 1,500 to provide a monophase low viscosity blend. Also disclosed are the molded polyurethanes produced from the above compositions, and, particularly high strength mat molded reaction injection molded parts.
Patent KR-950013303-B1 (KR)
Inventor: DAHLIN JAN ERIK AKE STEIMA
IPC: H04L25/02
Filed: 1990-03-28
Granted: 1995-11-02
Abstract: 내용 없음.
Patent KR-940007081-B1 (KR)
Inventor: HIGAKI SHIGETOSHI
IPC: H02M1/12
Filed: 1991-02-01
Granted: 1994-08-04
Abstract: 내용 없음.
Patent KR-940001764-B1 (KR)
Title: Microwave oven
Inventor: KANG DAE-DO
IPC: H05B6/68
Filed: 1991-02-01
Granted: 1994-03-05
Abstract: The method has the following features. After setting the reference cook heating time and the number of rotation of the pan motor at rated voltage and sensing the number of rotation of the cooling pan motor, the oven heats for the reference cook heating time if the number of rotation is within the reference number. When the current number of the cooling pan rotation is over the reference number, the heating time is decreased. When the current number of cooling pan rotation is below the reference number, the heating time is increased to compensate the cook time according to the power fluctuation.
Patent KR-940010511-B1 (KR)
Inventor: KUROI TAKASHI
IPC: H01L21/8242
Filed: 1991-02-12
Granted: 1994-10-24
Abstract: 내용 없음.
Patent KR-950002181-B1 (KR)
Title: Metal thin layer forming method for gate or wiring using fluorid
Inventor: PARK HYO-HUN
IPC: H01L21/26
Filed: 1991-05-06
Granted: 1995-03-14
Abstract: The method includes the steps of depositing a thin fluoride film (2) on a semiconductor substrate (1), irradiating electron beams to the gate or metal wiring formation region on the fluoride film (2), forming a thin metal film (3) for gate or wirings on the electron beam irradiated region, and depositing a passivation film (4) of fluoride, SiO2, Si3N4 or Al2O3 thereon, thereby metallic materials being obtained from the fluoride film to simplify the photolithographic process. The residual fluoride materials act as an insulator for preventing the electric leakage between the metallic circuits.
Patent KR-930005926-B1 (KR)
Title: Fabric cutter
Inventor: LEE BANG-BU
IPC: D06H7/00
Filed: 1991-05-09
Granted: 1993-06-29
Abstract: The apparatus mounting a photo sensor  (3)  for  measuring  a length of woven fabric (a) at the lower part of machine frame  (1) comprises a motor roller (2) interlocked  with  the  photo  sensor (3), a stopper (6), expander (7) and cutter (8) interlocked with a sensor (23) for thickness of woven fabric (a), a gripper  (9)  for conveying cutted fabric, lift (10) for loading the fabric. In  the expander comprising  a  fixing  frame,  a  movable  frame  and  a supporting frame, the fixing and movable frames are controlled  by air cylinder for the  left and right width.
Patent KR-930005106-B1 (KR)
Title: Method for preparation of polyester fiber having a high shrink grading
Inventor: LEE KI-KWANG
IPC: D01F6/92
Filed: 1991-06-27
Granted: 1993-06-15
Abstract: adding 0.1-3 mol% against the total acid component of glycolride, which is shown in  general formual (I) (where n:1-2), or its ester-forming derivatives, 0.5-2 mol%   against   the   total   acid   component   of   the   known 2,2-bis(-4-(2-hydroxyethoxy) diphenyl) propanol, with the addition of 2-4 × 0-4 mol ratio against the toal acid component of titanium tetra alkoxide [Ti(OR)4   (where  R:  alkyl,  aryl  or  cycloalkyl group) and  antimony  oxide  (Sb2O3)   as   addition-condensation catalysts, to  low  molecular  materials  of  directly  esterified products of terephthalic acid and ethylene glycol or low molecular materials obtained by depolymerizing polyethylene terephthalate to ethylene glycol.
Patent KR-940003304-B1 (KR)
Title: Illumination sensor for street lamp controller
Inventor: SO KAP-SU
IPC: H05B37/02
Filed: 1991-08-13
Granted: 1994-04-20
Abstract: This sensor unit prevents fault light-on operations by sudden surrounding of lighting. A pair of opto-sensors (15)(16) are fixed at a sensor body (14)'s holes (17)(18), and each sensor faces the opposite direction to each other. One end of the sensor body forms a bolt shape (19) to be attached at the controller body with a nut (20) and packings (21). Light intensities from the sensors are compared to decide whether the light source is the sun or not.
Patent KR-950003950-B1 (KR)
Inventor: TONAI ICHIRO
IPC: H01L31/0216
Filed: 1991-08-31
Granted: 1995-04-21
Abstract: 내용 없음
Patent KR-100201749-B1 (KR)
Title: Pharmaceutical compositions containing diphenyl compounds which inhibit arachidonic acid metabolism
Inventor: SCHEWE TANKRED
IPC: C07C205/22
Filed: 1991-09-04
Granted: 1999-06-15
Abstract: Pharmaceutical compositions, which comprise a compound of the general formula I  <IMAGE>  in which X is oxygen, sulfur or -CH2-, Y is chlorine or bromine, Z is an SO2H, NO2 or C1-C4alkyl radical, r is a number from 0 to 3, o is a number from 0 to 3, p is the number 0 or 1, m is the number 1 or 2 and n is the number 0 or 1, have having a lipoxygenase- and prostaglandin H synthase-inhibiting action. The compositions are useful in particular for the local (topical) or inhalative treatment of inflammatory, allergic and spasmolytic diseases, as well as psoriasis, bronchial asthma and diseases with disturbances in cell proliferation.
Patent KR-950011564-B1 (KR)
Inventor: SHIBASAKA MITSUSADA
IPC: H01L21/66
Filed: 1991-09-13
Granted: 1995-10-06
Abstract: 내용 없음.
Patent KR-940003893-B1 (KR)
Inventor: FUJITA YASUHIRO
IPC: A01K91/18
Filed: 1991-09-16
Granted: 1994-05-09
Abstract: 내용 없음.
Patent KR-940001497-B1 (KR)
Title: Method of cleaning color braun tube panel
Inventor: LEE JON-SU
IPC: H01J9/38
Filed: 1991-10-01
Granted: 1994-02-23
Abstract: The method increases the effects of the cleaning and salvaging with decreasing the unevenness on the surface of the picture tube panel. The panel is washed with the following liquids in sequence: (1) alkali lye; (2) distilled water; (3) nitric acid; (4) distilled water, (5) fluoric acid; (5) distilled water.
Patent KR-940011751-B1 (KR)
Title: Es detective circuit of transmitting system
Inventor: BAE SONG-JIN
IPC: H04B3/46
Filed: 1991-11-25
Granted: 1994-12-23
Abstract: The circuit provides the ES (errored second) detector which counts the frequency of bit error on the transmission path or line section in the transmission system and detects the continuous time of breakdown. The circuit includes an error bit detector (10) detecting the error bit and generating the data clock simultaneously, a clock generator (20) generating the master clock, a read enable signal generator (30) dividing the master clock and generating the read enable signal/reset signal in the period of 1sec, an ES detector (40) detecting 1 bit of ES signal corresponding to one period of master clock, an ES counter (50) counting the frequency of ES signal with the master clock, and a CPU (60) generating the reset signal of ES counter.
Patent KR-940010548-B1 (KR)
Title: Semiconductor lead frame
Inventor: KWON O-SHIK
IPC: H01L23/50
Filed: 1991-12-05
Granted: 1994-10-24
Abstract: The device consists of several through holes on the lower face of a lead frame pad, grooves which are shaped on the upper or lower of the through holes by swaging. The through holes are made in a circle or polygon form.
Patent KR-940004293-B1 (KR)
Title: Method of making liquid crystal display devices
Inventor: NO BONG-KYU
IPC: G02F1/133
Filed: 1991-12-16
Granted: 1994-05-19
Abstract: To configure the liquid crystal display unit to protect liquid crystal from damage at a thermal hardening and to reduce the time for a thermal hardening, an ultra-violet or ultra-red rays from a source (7) can be heated only on an electric conductive paste using a protect board (6) having a width and length changeable slit (5) at the thermal hardening process after dotting the electric conductive phaste. And at the hardening process after connecting pins (4) to the electric conductive board, a light source (7) can be heated only on the electric conductive paste and on the thermal hardened resin using a protect board (6).
Patent KR-940008849-B1 (KR)
Title: Rebooting method of computer system
Inventor: KIM WAN-SOK
IPC: G06F1/00
Filed: 1991-12-17
Granted: 1994-09-28
Abstract: The method provides an automatic rebooting system which guarantees system reexecution by checking the error type. The method includes: a system controller (3) that can perform auto-rebooting by setting an auto-rebooting DIP switch according to a unix kernel requst. When an error occurs, the kernel generates panic code and check error type. If the status turns out to auto rebootable, the kernel transfer the auto-rebooting request to the system controller by MPP (Message Passing Protocol).
Patent KR-100220299-B1 (KR)
Inventor: YUI JAE-KYOUNG
IPC: H01L29/78
Filed: 1991-12-19
Granted: 1999-09-15
Abstract: 본 발명은 고집적 반도체 소자의 MOS 트랜지스터의 스페이서 형성방법에 관한 것으로, 특히 LDD(Lightly Doped Drain) 구조를 이용한 MOS 트랜지스터 제작시 GGO(Graded Gate Oxide) 현상을 방지하며 도핑된 다결정 실리콘으로 된 스페이서를 플로팅 게이트로 사용하여 전류증가 및 노쇠화 현상의 감소를 달성할 수 있는 기술에 관한 것이다.
Patent KR-950001618-B1 (KR)
Title: Chemical conversion apparatus
Inventor: MUN MAN-SHIK
IPC: H01G9/10
Filed: 1991-12-20
Granted: 1995-02-27
Abstract: The apparatus for controlling the dipping time of the etching film by controlling a dipping roller (4) includes a roller guide (2) placed opposite to an anodizing chamber (3) and having a guide groove (1) inserting the dipping roller, and idle rollers (8) placed on both sides of the dipping roller and linked to a cylinder (6). The idle roller moves up and down is linking to the cylinder to vary the tension force of the etching film. The dipping roller also moves up and down in the anodizing chamber so that the dipping time is controlled.
Patent KR-0160272-B1 (KR)
Inventor: TAKAICHI AKIHISA
IPC: A23L33/00
Filed: 1991-04-03
Granted: 1998-11-16
Abstract: 본 발명은 건조 중량을 기준으로, 40∼65 중량 % 의 단백질, 5 ∼ 25 중량 % 의 지방, 15 ∼ 40 중량 %의 탄수화물로 이루어지고 500∼3,000 cp의 점도(30℃, B 형 점성도계) 및 80 이상의 아미노산 가(2∼5 연령 유아 기준)를 갖는 고단백, 고점도 영양식품에 관한 것이다.
Patent KR-940005083-B1 (KR)
Title: Process for producing alumina-zirconia composite
Inventor: BAE U-HYON
IPC: C04B35/48
Filed: 1992-04-08
Granted: 1994-06-10
Abstract: This invention relates to the manufacturing of alumina-zirconia composite for machinary. The manufacturing method comprises: A) injection molding a zirconia body and drying; B) primary sintering the above zirconia at 800-1200 deg.C for 1-2 hr; C) impregnating the sintered body in the aluminum solution with pH 3-9; and D) secondary sintering the body including 20-40 wt.% alumina at 1400-1700 deg.C for 1-2 hr. The forming density of the sintered body is 50-60 %.
Patent KR-960008177-B1 (KR)
Inventor: OHIKE HIROSHI
IPC: F25C1/18
Filed: 1992-04-10
Granted: 1996-06-20
Abstract: 내용 없음.
Patent KR-970005176-B1 (KR)
Inventor: MARCHI EGIDIO
IPC: A61K31/575
Filed: 1992-04-11
Granted: 1997-04-14
Abstract: 내용없음.
Patent KR-950003232-B1 (KR)
Title: Heat treating method of semiconductor device and apparatus thereof
Inventor: PARK SE-KUN
IPC: H01L21/324
Filed: 1992-05-06
Granted: 1995-04-06
Abstract: The method includes locally scanning the surface of a semiconductor wafer by using a strip heater to heat-treat the wafer, thereby reducing the heat-treatment time and improving the temp. uniforminity. The heat-treating apparatus includes a wafer container (13), one or more strip type upper heating means (11), a lower heating means (12), a temperature measuring means (15) for the upper heating means (11), and a means for driving the wafer container to heat-treat the wafer locally.
Patent KR-950002478-B1 (KR)
Title: Exhast promoting apparatus on internal combustion engine
Inventor: LEE DAE-SONG
IPC: F01N13/20
Filed: 1992-05-27
Granted: 1995-03-20
Abstract: The one side (101) of a muffler (100) has the pipe of a trumpet type. The decompression inductor (2) gets narrower to ward both the ends to form the path of exhaust gas. The edge of the inductor (2) is fixed to the trumpet pipe (1) by welding. The guide hole (3) has the larger diameter than the trumpet pipe (1) to form a path having high speed between the guide hole (3) and the trumpet pipe (1).
Patent KR-950005619-B1 (KR)
Inventor: CHOI SUNG M
IPC: G09G5/02
Filed: 1992-06-22
Granted: 1995-05-27
Abstract: 내용 없음.
Patent KR-950004114-B1 (KR)
Title: Output circuit and method of color motion image signal
Inventor: PARK KYE-HO
IPC: H04N7/12
Filed: 1992-07-16
Granted: 1995-04-25
Abstract: a video memory for receiving the color moving image data multiplexed and received from the decoder, and sequentially storing the received color moving image data respectively to a luminance data region and a color difference data region; a controlling part for controlling the interfacing operation between the video memory and the decoder, and controlling to sequentially store the image data in the video memory and simultaneously output it; and a device for receiving the output of the video memory, and outputting the multiplexed luminance data, first and second color difference data.
Patent KR-950010366-B1 (KR)
Title: High strength paving mixture of resin materials and its road pavement
Inventor: KIM HYON-DON
IPC: E01C5/22
Filed: 1992-09-19
Granted: 1995-09-16
Abstract: The paving formation consists of a subgrade(5), a lower roadbed, an upper roadbed and a resin paving layer(1) with water permeability. The resin paving layer(1) includes 98-80 wt.% of aggregate material, 2-30 wt.% of a heat hardening resin as a binding material, and 1-20 wt.% (to 100 wt.% heat hardening resin) of cellulose material selected from the group of alpha-cellulose, methyl-cellulose, methylhydroxyethyl- cellulose, methylhydroxypropyl-cellulose, ethyl-cellulose, ethylhydroxyethyl-cellulose, hydroxypropyl-cellulose, hydroxyethyl- cellulose, benzyl-cellulose, cellulose acetate. The paving formation has high strength and water permeability, and is use to paving of pedestrian read, vehicle road, parking and open space.
Patent KR-950004972-B1 (KR)
Title: Method of forming field oxide layer on semiconductor device
Inventor: JANG SE-OK
IPC: H01L21/762
Filed: 1992-10-13
Granted: 1995-05-16
Abstract: (a) forming a first oxide film(2), a first polysilicon film(3) and a nitride film(4), on a substrate(1), and sequentially etching respective predeterminded portions of (4) and (3) to form a field oxide region(5); (b) forming a first field oxide film(6) in (5), etching (6) to form a round recess on the substrate, and forming a second oxide film(7) having a small thickness over the round recess of the substrate: (c) depositing a second polysilicon film(8) over the entire exposed surface of the resulting structure including (5), and etching (8) without using any move to form polysilicon film spacers respectively at side walls of (2), (3) and (4), forming the field oxide region, and (d) growing a second field oxide film(10) over the field oxide region, etching (4) and (3), etching (2) and an upper portion of (10), and smoothing the entire exposed surface of the resulting structure to form a third field oxide film(11).
Patent KR-960001508-B1 (KR)
Title: Method of setting communication situation in facsimile system
Inventor: LIM NAM-SUB
IPC: H04N1/00
Filed: 1992-11-24
Granted: 1996-01-31
Abstract: registering the presence or absence of an error generation and a transmission speed of a modem as a communication state setting information; checking that a dialing telephone number corresponds to the communication state setting code, in response to a dialing; setting an error process request when the dialing telephone number corresponds to an error generation local code; and setting the transmission speed of the modem at a registered speed when the dialing telephone number corresponds to a line state error local code.
Patent KR-960006515-B1 (KR)
Inventor: OKIE TANI
IPC: H05K13/00
Filed: 1993-01-16
Granted: 1996-05-17
Abstract: 내용 없음.
Patent KR-100236766-B1 (KR)
Inventor: PARK MYUNG KYU
IPC: C12P19/04
Filed: 1993-04-17
Granted: 2000-01-15
Abstract: 본 발명은 미생물에 의해 생성된 히아루론산을 배양액으로 부터 고순도하에 보다 고수율로 정제하는 방법에 관한 것이다. 보다 특히 본 발명은 히아루론산 생산균주의 배양액에 유기용매를 가하여 히아루론산을 침전시키는 단계, 아연 알루미네이트 분말을 넣고 교반하는 단계 및 히아루론산을 분리하는 단계를 포함하는, 미생물 배양액으로부터 히아루론산 염을 정제하는 방법에 관한 것이다. 본 발명에서는 정제과정에 단백질, 핵산등의 제거 능력이 탁월한 아연 알루미네이트를 사용함으로써 고순도의 히아루론산을 수득하며, 또한 전체 정제 공정을 0 내지 15℃의 저온에서 수행하여 보다 고분자량의 히아루론산을 수득한다.
Patent KR-100286603-B1 (KR)
IPC: C07C2/36
Filed: 1993-05-08
Granted: 2001-04-16
Abstract: A process for preparing a dimer of a lower  alpha -olefin in the presence of Catalyst (A) containing a nickel compond, a trialkylaluminum, a halogenated phenol, a phosphorous compound and a sulfur compound, Catalyst (B) containing a nickel compound, a trialkylaluminum, a fluorinated isopropyl alcohol, a phosphorous compound, a sulfonic acid and water, or Catalyst (C) containing a nickel compound, a trialkylaluminum, a halogenated phenol, a phosphorous compound, a sulfonic acid and water, by which method, the dimer of the lower  alpha -olefin is prepared in a high yield and high selectivity.
Patent KR-960010468-B1 (KR)
Title: Equalizer indicating circuit of television monitor
Inventor: KIM YOUNG-WOON
IPC: H04N5/445
Filed: 1993-07-27
Granted: 1996-08-01
Abstract: a equalize processing unit(12) for separating a tuned voice signal from a tuner(11) into a certain number of frequencies; an input unit(14) with multiple equalize keys for adjusting separated frequencies up/down; a volume control unit(13) for adjusting a corresponding frequency volume by an equalize key; a micro computer(15) for displaying an OSD(On Screen Display) bar graph in a screen according to an output of the volume control unit; thereby providing an OSD equalize display.
Patent KR-960016723-B1 (KR)
Title: Multi-color display apparatus in an analogus
Inventor: AHN SANG-KOOK
IPC: G09G3/14
Filed: 1993-10-26
Granted: 1996-12-20
Abstract: The apparatus comprises an A/D converter and a central processing unit(CPU) and a 7 segment. The 7 segment(D1,D2) displays green, red and orange colors according to ON/OFF of PNP transistors(Q1,Q2) and emits the green, red and orange colors according to the cathode signal of diodes(D3-Dn) by supplying a power to the anode of the diodes(D3-Dn) according to the ON/OFF of PNP transistors(Q5,Q6).
Patent KR-960008088-B1 (KR)
Title: Nutriments for activated sludge treatment
Inventor: YEU KWANG-WOONG
IPC: C02F3/00
Filed: 1993-10-27
Granted: 1996-06-19
Abstract: The method comprises the steps of; (1) adding rice bran to food waste (I) to adjust water content to 40-60%, (2) mixing the food waste slowly with Bacillus thermophilus inoculum for 70-90 min. to 80 degree.C, (3) drying the mixture to water content 10% or below for 90-110 min. at 83-98 degree.C, (4) cooling to 44-55 degree.C and filtering, and (5) adding urea 3%, ferric sulfate 0.05%, magnesium sulfate 0.1%.
Patent KR-970000076-B1 (KR)
Title: Alarm device of electronic-devices case for holding horizontal-state
Inventor: LEE JUNG-WOO
IPC: H05K5/00
Filed: 1993-11-01
Granted: 1997-01-04
Abstract: The apparatus is for driving/controlling a power supplying means of an electronic device according to the result of inspecting the horizontal-state by several on/off switches installed on the bottom surface of the electronic device case. The apparatus comprises: several balance-state sensing switches(10) connected to the bottom surface of the electronic device case; a driving part(20) driving a front display means(30) on the ground of the operation of the balance-state sensing switches(10); a front display means(30) turning on the light-emitting means according to the operation of the driving part; and a micom(40) controlling a power supplying means(50) according to the operation of the front display means(30).