baber/WOPTO huggingface dataset:
Patent KR-20030046979-A (KR)
Inventor: CHOI SEONG SEOK
IPC: H01L21/00
Filed: 2001-12-07
Abstract: PURPOSE: A semiconductor manufacturing equipment having a chamber lifting apparatus is provided to be capable of quickly and securely disassembling the semiconductor manufacturing equipment by lifting a heavy weight chamber. CONSTITUTION: A semiconductor manufacturing equipment(100) is provided with a load-lock chamber(110) for loading wafers(40), a process chamber(150) for carrying out a main process on the wafer, a buffer chamber(130) located between the load-lock chamber and the process chamber, and a chamber lifting apparatus(170) for lifting a heavy weight DTCU(Dome Temp Control Unit) chamber(152) when disassembling the semiconductor manufacturing equipment. The buffer chamber further includes a wafer transfer robot(135) for transferring the wafer from the load-lock chamber to the process chamber. The chamber lifting apparatus further includes a wire(178) for holding the heavy weight DTCU chamber, a driving motor(172) connected to the wire for controlling the wire, and a controller(175) for controlling the driving motor.
Patent KR-20030047353-A (KR)
Inventor: NOH SEOK CHEOL
IPC: B60S9/06
Filed: 2001-12-10
Abstract: PURPOSE: A pantograph jack of a vehicle is provided to prevent a vehicle body from deforming and damaging by hanging an arm stay contacting the vehicle body to a cross member side or a lower arm bracket as well as to a seal side flange. CONSTITUTION: A pantograph jack(10) of a vehicle has first and second hanging grooves(16a). The first hanging groove is arranged to a side of a central portion of an arm stay(16) to hang the arm stay to a flange of a seal side. The second hanging groove is formed to the other surface of the center portion of the arm stay to hang the arm stay to a protrusion portion of a cross member side or a lower arm bracket. Thereby, a side of the vehicle body is lifted to change tires by combining the first hanging groove to the flange of the seal side and by combining the second hanging groove to the protrusion portion of the cross member side and the lower arm bracket.
Patent KR-20030049242-A (KR)
Title: a lubricating device for leaf spring of commercial vehicles
Inventor: KANG YEONG SUN
IPC: B60G11/02
Filed: 2001-12-14
Abstract: PURPOSE: A leaf spring lubricating apparatus for a vehicle is provided to prevent noise of friction between plates by lubricating with supplying oil between plates of a leaf spring, and to eliminate discomfort from frictional noise of the leaf spring. CONSTITUTION: A leaf spring lubricating device is composed of a displacement detecting sensor(7) detecting deformation of a leaf spring; a control unit(8) actuating a pump(10) in case of deformation of the leaf spring from the displacement detecting sensor to be over the reference value; the pump operating by the control unit, and feeding oil between plates through a supply pipe(11) connected to the side of the leaf spring; and an oil reservoir(9) storing oil from the pump and recovering remaining oil through a recovery pipe(12) installed in the middle of the leaf spring. Noise from friction between plates is prevented by supplying lubricant between plates of the leaf spring.
Patent KR-20020023855-A (KR)
Inventor: YOO BYONG SEOP
IPC: B21B1/18
Filed: 2001-12-24
Abstract: PURPOSE: A four sided rolling mill enabling both directional rolling is provided which continuously rolls deformed wire rods having complicated profiles for several times so as to improve productivity of rolling by alternately rolling the wire rods to both sides of a rolling stand. CONSTITUTION: The four sided rolling mill enabling both directional rolling comprises a first winding part(120) on which a deformed wire rod is coiled, which releases the wire rod(1) as idling, or pulls and coils the wire rod(1) that is rotated and rolled by driving force of a winding bobbin driving part(100), and which is horizontally moved by driving force of a base driving part; a second winding part(150) which is installed at a place symmetrical to the first winding part(120) on which the deformed wire rod(1) is coiled, which releases the wire rod(1) as idling, or pulls and coils the wire rod(1) that is rotated and rolled by driving force of a winding bobbin driving part(130), and which is horizontally moved by driving force of a base driving part; and a four sided rolling roll part(170) which rolls the deformed wire rod(1) unrolled from the first winding part(120) or the second winding part(150) as the four sided rolling roll part(170) is being rotated by driving force of a rolling roll driving part(160), and on four sides of which rolling rolls are arranged perpendicularly to each other.
Patent KR-20030056272-A (KR)
Title: A Beam Positioning Device For Laser Manufacturing Machine
Inventor: SEO YEONG HO
IPC: B23K26/08
Filed: 2001-12-28
Abstract: PURPOSE: A beam aligning apparatus for a laser generator is provided to rapidly and easily align laser beam and to rapidly adjust a reflection angle of a reflection mirror by handling three bolts. CONSTITUTION: A beam aligning apparatus(100) for a laser generator includes an adjusting block(20) mounted on a reflector block(10), a reflection mirror(70) installed in the adjusting block(20), first and second bolts(50) for adjusting movement of the adjusting block(20), and a setting bolt. The reflector block(10) is formed at one end thereof with a beam path for guiding beam into the reflection mirror. A beam exhaust path is formed at the other end of the reflector block(10). The adjusting block(20) is lifted up along an inner wall of the reflector block(10) according to a coupling degree between the first and second bolts(50).
Patent KR-20030058179-A (KR)
Title: Decorative door apparatus for refrigerator
Inventor: LEE JEONG YEOL
IPC: F25D23/02
Filed: 2001-12-29
Abstract: PURPOSE: A decorative door apparatus of a refrigerator is provided to suppress generation of a gap of an upper area. CONSTITUTION: An apparatus includes a lower frame(41) including a platy fixed part(42a) joined to a bottom of a door(11), an outer rib(42b) bent up from a front side of the fixed part to contact with a front side of a panel member, and a panel supporting bracket(42d), a long platy metal member, integrally injected into the fixed part to prevent deflection of the panel member; a side frame(33) joined to a side of the door to support both of sides of the panel member; a hook protruding from one of contacting sides of the lower frame and the side frame toward the other; and a hook fixing protrusion formed on the other of the contacting sides of the lower frame and the side frame to be engaged with the hook in vertical direction of the door. The panel supporting bracket has a screw penetrating hole(45) formed to be connected with a screw penetrating hole(43) of the fixed part and a screw hole(13) of the door so as to allow a screw(17) to penetrate.
Patent KR-20010073103-A (KR)
Title: 투사형 스크린의 렌티쿨라 렌즈
IPC: G03B21/62
Filed: 2000-06-20
Abstract: 본 발명의 배면 투사형 표시 스크린의 렌티쿨라 스크린 요소는 시청자 표면 상에 형성되는 렌티쿨라 요소를 구비한다. 동일한 렌티쿨라 요소는 전체 렌티쿨라 스크린 요소를 덮으며, 또한 일정한 변위로 수평방향으로 반복 형성되어 있다. 본 발명의 렌티쿨라 요소는 측부 사이에 위치하는 한 쌍의 반사 측부 및 굴절 팁부를 포함한다. 상기 한 쌍의 측부 중 하나는 하나의 반사 측부 및 인접 렌티쿨라 요소의 측부 사이의 접합부에 경사 영역을 형성한다. 상기 경사 영역은 제1 축에 대해 5 내지 15。 범위 내의 각도에 있다. 상기 하나의 반사 측부에는 접합부를 포함하는 하나의 반사 측부의 적어도 한 영역 내에 반사 피막이 덮여진다. 상기 한 쌍의 반사 측부는 투사기로부터 굴절 팁부를 향해 입사하는 광선을 반사시켜, 시청자와 면하는 굴절 팁부의 표면에 의해 반사광을 굴절시키게 한다. 각 굴절 광선은 굴절 팁부의 볼록면에 의해 굴절된다.
Patent KR-20010085799-A (KR)
Inventor: LEE HEUNG SOO
IPC: G08G1/09
Filed: 1999-09-15
Abstract: PURPOSE: A method for providing time-variant geographical information is provided to display image traffic information on a screen by processing the time-variant geographical information such as traffic information. CONSTITUTION: In a method for providing an image based time-variant geographical information such as traffic information, a traffic state information(810) composed of a map identifier and a plurality of traffic state data in section-wise is transmitted to a user device, and is to be incorporated with corresponding traffic section map(or TSM(traffic state map))(820) including a plurality of sections(822-833). The traffic section map(820) is preferably stored in a user device. Each section of traffic section map(or TSM)(820) includes at least one vector entity which includes a shape designating statement (e.g. 'LINE') and a position designating statement. The traffic section map(or TSM)(820) also includes a plurality of section discriminating code which is preferably an attribute designating command. The traffic state data for respective section is used to update or designate the attribute value (e.g. color) of corresponding to section's vector entity. The updated TSM(840) is used for displaying traffic information-containing image along with at least one corresponding basic map which is also stored in the user device.
Patent KR-20010075421-A (KR)
IPC: B60R16/02
Filed: 1999-09-24
Abstract: 본 발명은 자동차 비상 점멸 지시등의 정확한 작동을 진단하는 방법 및 장치에 관한 것으로서, 이러한 방법은 자동차의 우측 및 좌측 방향 전환 점멸 지시등의 점등 종반을 교대로 그리고 순간적으로 변동시키는 단계; 순간적인 변동 동안 비상 점멸 지시등의 공급 회로에 흐르는 전류를 측정하는 단계; 측정치와 기준치를 비교하는 단계; 상기 지시등 중 1 이상이 이상이 있는지의 여부를 유추 해석하여 이상이 있는 경우 이를 운전자에게 알려주는 단계를 포함하는 것을 특징으로 한다.
Patent KR-20010103702-A (KR)
IPC: C08G18/16
Filed: 1999-11-12
Abstract: 본 발명은 폴리이소시아누레이트 시스템, 보강된 폴리이소시아누레이트 매트릭스 복합재료를 생산하기 위한 이들 시스템의 인발성형, 및 이에 의해 생산된 복합재료에 관한 것이다.  폴리이소시아누레이트 시스템은 폴리올 성분, 임의의 사슬연장제사슬연장제시아네이트를 포함한다.  폴리이소시아누레이트 시스템은 실온에서 약 5분 내지 약 30분의 연장된 개시시간을 가지며, 스냅경화 (snap cure)될 수 있다.
Patent KR-20010099938-A (KR)
IPC: C03C25/10
Filed: 1999-12-13
Abstract: A nonaqueous sizing for glass fibers useful for reinforcement of polymers. The sizing composition comprises one or more film formers miscible with the polymer to be reinforced, one or more coupling agents and one or more powders. The sizing composition of the invention provides a glass fiber which has improved processability and notched izod without any loss in dispersability characteristics of the glass pellets.
Patent KR-20010113688-A (KR)
IPC: H05K3/32
Filed: 2000-12-13
Abstract: 도전성 수지를 사용하여 전자 부품을 실장할 때, 도전성 수지로서 특정 희석제 성분을 함유시킨 도전성 수지를 사용하거나, 또는 도전성 수지의 경화 전에 특정 희석제 성분을 부여한다.   이렇게 하면, 전자 부품(4)의 전극(5)과 회로 기판(1)의 전극(2)의 대향 부분은 도전성 필러를 주성분으로 하는 수지(3a)로, 전자 부품(4)의 하면과 전극(5)의 주위는 도전성 수지로부터 유출한 바인더 수지를 주성분으로 하는 수지(3b, 3c)로 각각 접속된다.   바인더 수지를 주성분으로 하는 수지(3b, 3c)에 의해 접속 강도가 향상한다.
Patent KR-20010102461-A (KR)
Title: Oxime derivatives and the use thereof as photoinitiators
IPC: C07C309/66
Filed: 2000-02-21
Abstract: Radically photopolymerizable compositions comprising (a) at least one ethylenically unsaturated photopolymerizable compound; (b) as photoinitiator, at least one compound of the formula I, II, III and/or IV       
wherein m is 0 or 1; n is 0, 1, 2 or 3; x is 1 or 2; R 1  is inter alia phenyl, naphthyl, anthracyl or phenanthryl, a heteroaryl radical, C 2 -C 12 alkenyl, C 4 -C 8 cycloalkenyl, or C 6 -C 12 bicycloalkenyl; R' 1  is inter alia C 2 -C 12 alkylene, or phenylene; R 2  has one of the meanings of R 1  or inter alia is phenyl; y is 1 or 2; R 3  if x is 1 inter alia is C 1 -C 18 alkylsulfonyl, or phenyl-C 1 -C 3 alkylsulfonyl, R 3  if x is 2, is for example C 2 -C 12 alkylenedisulfonyl; R 4  and R 5  inter alia are hydrogen, halogen, or C 1 -C 8 alkyl; A is for example -S-, -O-, or -NR 10 -; R 10  inter alia is hydrogen, or phenyl; and (c) at least one coinitiator; are especially suitable for the preparation of colour filter systems.
Patent KR-20020008147-A (KR)
Title: Water-jet device for separating a biological structure
IPC: A61B17/32
Filed: 2000-04-04
Abstract: The water jet of a conventional water jet device is straight, bundled and impinges with its complete cross-section onto the biological structure to be separated. This renders the separating section frequently imprecise and requires an increased flow pressure. Therefore, a water jet device with a novel separating nozzle ( 14 ) is furnished. This separating nozzle ( 14 ) is furnished with a nozzle channel ( 15 ), wherein the nozzle channel ( 15 ) is furnished with one or several twisted grooves ( 16 ) at the circumference of the nozzle channel ( 15 ) and wherein the number of the twisted grooves ( 16 ) and the diameter and the length of the nozzle channel ( 15 ) are placed in such ratio that the separating jet subjected to pressure is rotated.
Patent KR-20020013870-A (KR)
Title: 연결 장치
IPC: A63C1/28
Filed: 2000-05-03
Abstract: 본 발명은 사용중 발의 굽힘 운동이 진행함에 따라 순차적으로 작용하는 제 1선회축(2) 및 제 2선회축(3)을 구비하는 스케이트나 롤러 스케이트, 스키 등과 같은 운동 기구 및 신발이 선회축을 중심으로 축선회할 수 있도록 축결합시키기 위한 연결장치에 관한 것이다. 상기 신발은 제 1끝단부(5)에서 운동 장치(6)상에 상방으로 이동 가능하도록 안착되는 지지대(4)상에 설치될 수 있고, 상기 지지대(4)는 제 1끝단부(5)와 떨어진 제 2끝단부(7)에서 제 1선회축(2)에 의해 축결합 요소(8)의 일측 끝단부와 연결되고, 상기 축결합 요소(8)의 다른 측 끝단부는 제 2선회축(3)에 의해 운동 장치(6)상에 설치되는 연결 장치(9)와 연결되는 것을 특징으로 한다.
Patent KR-20020023223-A (KR)
Title: 프로그램 제어정보 생성장치
IPC: H04H60/06
Filed: 2001-03-29
Abstract: 프로그램 제어정보의 생성·송출의 고속화 및 생성을 중단하지 않도록 프로그램정보의 자동 조정을 행하는 기능을 실현하는 프로그램 제어정보 생성장치가 개시되어 있다.  프로그램 제어정보를 방송하는 방송국 시스템에 있어서, 프로그램 편성장치로부터 입력된 프로그램정보 및 프로그램의 스케줄 정보로부터 섹션 데이터를 생성할 때, 프로그램 제어정보 생성장치가, 입력부(101)와 스케줄 조정부(102)와 대역 조정부(103)와 축적부(104)와 차분 검출부(105)와 섹션 생성부(106)를 구비한 것이다.  이에 따라, 프로그램 제어정보 생성의 고속화 처리와 스케줄 중복에 의한 스케줄 자동조정방법이나 대역 오버가 일어나는 프로그램 제어정보의 보다 유효한 조정법을 실현하는 프로그램 제어정보 생성장치를 제공할 수 있다.
Patent KR-20030062185-A (KR)
Title: green tea containing rice manufacturing method.
Inventor: KIM DO YOUNG
IPC: A23L7/196
Filed: 2002-01-14
Abstract: PURPOSE: Provided is a method of manufacturing washed rice which coats or impregnates the rice with the content of an edible green tea extract while pre-washing it. This enhances the taste and flavors of the rice, and enables the natural intake of the nutrient elements of the rice and the green tea. CONSTITUTION: A method of manufacturing washed rice containing an edible green tea extract comprises the steps of: preparing an edible green tea extract; spraying the green tea extract to the rice during the rice cleaning process such that the rice is coated or impregnated with the content of the green tea extract; and drying the coated or impregnated rice.
Patent KR-20020031359-A (KR)
Inventor: KIM JUNG HWAN
IPC: C01G23/047
Filed: 2002-01-28
Abstract: PURPOSE: Provided is a titania wet gel used for protection films or photocatalyst films, which has high dispersion stability, various crystalline phases and high adhesion to substrate, and enables low temperature sintering by adding carbonate as a precipitant to Ti-compound solution. CONSTITUTION: The preparation method of titania wet gel is as follows: diluting Ti-compound solution, such as TiCl4 or Ti(SO4)2, with an acid selected from HCl, H2SO4, and distilled water; reacting the diluted solution with a precursor of titanate precipitant, such as NaHCO3, NH4HCO3 or KHCO3, at -10-80deg.C, wherein titanate is 1.5 times as much as Ti ion; filtering, and washing with ammonia water and distilled water until SO42- and Cl- ions are eliminated, which results in formation of TiO2 with the phase of anatase, rutile or anatase+rutile, and amorphous TiO2; adding H2O2 in a molar of H2O2/Ti of 2-20; and optionally thermal treating under 80deg.C.
Patent KR-20030065229-A (KR)
Title: a multicolored printing apparatus for tube
Inventor: LIM JONG SU
IPC: B41F17/08
Filed: 2002-01-31
Abstract: PURPOSE: A multi-color printing device for a tube is provided to simultaneously print characters having various colors on the tube by installing a plurality of auxiliary printing sections at an outer peripheral surface of a main printing drum. CONSTITUTION: A multi-color printing device includes a printing section(20) and a tube conveying section(30). The printing section(20) is mounted at the center of a body frame and has a main printing drum(21) equipped at an outer peripheral surface thereof with a printing pad, and an auxiliary printing section(22) for performing a primary printing work by using the printing pad of the main printing drum(21). The tube conveying section(30) is installed at one side of the body frame in order to continuously convey the tube. The tube conveying section(30) secondarily prints multi-colored characters on the surface of the tube.
Patent KR-20030065853-A (KR)
Title: Gas Effluent Treatment System
Inventor: JUNG CHANG UK
IPC: H01L21/02
Filed: 2002-02-01
Abstract: PURPOSE: An apparatus for processing a waste gas is provided to prevent the corrosion of a heating chamber due to waste gases by installing a shielding unit in the inside of the heating chamber. CONSTITUTION: An apparatus for processing a waste gas includes a heating chamber(11), a heater(13), and a shielding unit(20). The heating chamber includes a plurality of opening portions for storing waste gases in order to process the waste gases which are discharged from a semiconductor fabrication process. The heater is used for heating the waste gases. The shielding portion is installed in the heating chamber in order to prevent the corrosion of the heating chamber due to the reaction between the waste gases and the heat of the heater. The shielding portion includes an internal chamber(21) and an anti-corrosion gas(23).
Patent KR-20030067018-A (KR)
Title: electronic bankbook and bank business system using it
Inventor: LEE JI HONG
Filed: 2002-02-06
Abstract: PURPOSE: An electronic bankbook and a bank business transaction system using the same are provided to produce a high profit through a high efficiency inside of a bank and to offer more convenient service to customers by minimizing the inconvenience of the customers. CONSTITUTION: The electronic bankbook(10) has an IC chip comprising a CPU, a memory, and a driving part in order to store an intrinsic number, and read or record the data. Terminals(20,45,50) read or write the data to a memory by driving the electronic bankbook(10) according to the selection and the input of a process on the terminals(20,45,50). The customer reads the electronic bankbook(10) through a reader by using the customer terminal. When an ID, a password, and a sort and the transaction particulars of various kinds of bank transactions are selected/inputted from a touch panel or a keypad, the corresponding data is transmitted to a main server(40) directly or via a control server(30).
Patent KR-20030070975-A (KR)
Title: Wide band erbium doped fiber amplifier for minimizing band crosstalk
Inventor: HWANG SEONG TAEK
IPC: H04B10/2507
Filed: 2002-02-27
Abstract: PURPOSE: A broadband EDFA(Erbium Doped Fiber Amplifier) for minimizing interference of a band is provided to minimize the interference between bands by passing optical signals of an L-band to a C/L splitter twice and coupling optical signals of a C-band to the optical signals of the L-band. CONSTITUTION: A broadband EDFA for minimizing interference of a band includes the first EDF(226), the second EDF(232), a C/L splitter(230), a reflector(238), a circulator(228), and a C/L combiner(240). The first EDF(226) is used for amplifying optical signals which are received from the first wavelength selection coupler. The second EDF(232) is used for amplifying optical signals of an L-band which are received from the second wavelength selection coupler. The C/L splitter(230) is used for dividing the optical signals into a C-band and the L-band. The reflector(238) is used for transmitting the optical signals of the L-band to the second EDF and reflecting the transmitted optical signals to second EDF. The circulator(228) is used for inducing the optical signals of the L-band to other direction. The C/L coupler(240) is used for coupling the divided optical signals of the C-band to the induced optical signals of the L-band.
Patent KR-20030071181-A (KR)
Title: Device for mounting hard disks
Inventor: KO JAE YONG
IPC: G11B33/02
Filed: 2002-02-28
Abstract: PURPOSE: A device for carrying hard disks is provided to house larger number of hard disks in a limited space of a base chassis. CONSTITUTION: A device for carrying hard disks(11) includes a hard disk case(12) and a base chassis(15). The hard disk case houses a plurality of hard disks. The base chassis accommodates at least one hard disk case. The device for carrying hard disks is composed of a hard disk case for housing at least one hard disk, a sliding chassis for accommodating a plurality of hard disk cases, and a base chassis for accommodating at least one sliding chassis. Each hard disk set inside the hard disk case is fixed to the hard disk case using an elastic buffering member as a medium. The hard disk case, sliding chassis and base chassis have a plurality of vents(14).
Patent KR-20020070858-A (KR)
Inventor: ABE SHIGERU
IPC: G02B5/20
Filed: 2002-02-28
Abstract: PURPOSE: To provide a radiation sensitive composition for color filter exhibiting excellently developability even when the composition contains a high concentration of a pigment, generating no residue and no stain on a substrate in an unexposed part and on a light shielding layer in development, also being excellent in surface flatness and smoothness and further offering pixels with excellent adhesion property to the substrate and the light shielding layer. CONSTITUTION: The radiation sensitive resin composition for color filter contains a pigment (A), an alkali soluble resin (B), a polyfunctional monomer (C), a photopolymerization initiator (D) and a solvent (E) and is characterized by having the pigment (A) dispersed in a solution produced by dissolving a part or all of the alkali soluble resin (B) in a part or all of the solvent (E) in advance.
Patent KR-20030071343-A (KR)
Title: Photo-curable resin composition for optical waveguide and optical waveguide prepared therefrom
Inventor: BYUN HYEON HO
IPC: C08F290/06
Filed: 2002-02-28
Abstract: PURPOSE: A photo-curable urethane oligomer, a photo-curable resin composition containing the oligomer, a waveguide prepared by using the composition and its preparation method are provided, to obtain the composition having low birefringence, small optical loss and excellent optical transmittance, heat stability and storage stability, and to allow the waveguide to be produced massively by using the composition. CONSTITUTION: The photo-curable urethane oligomer substituted with fluorine is represented by the formula 1, wherein R1 is -CH2O- or -CH2(OCH2CH2)mO-; R2 is an aromatic or aliphatic hydrocarbon group of C6-C100; R3 is an aromatic or aliphatic hydrocarbon group of C2-C10; R4 is a (meth)acrylate group or an epoxy group. The photo-curable resin composition for waveguide comprises 20-80 wt% of the urethane oligomer; 20-80 wt% of a reactive monomer; and 1-10 wt% of a photopolymerization initiator. The resin composition has a refractive index of 1.38-1.54, a birefringence of 1x10¬-4 or less, a viscosity of 50-2,000 cps and a thermal decomposition temperature of 300 deg.C or more. Preferably the waveguide is prepared by using the resin composition by the micro transfer molding method.
Patent KR-20030074011-A (KR)
Title: Method for intercommunicative voice message service and Messanger for the same
Inventor: CHO JANG HYEON
IPC: H04L12/66
Filed: 2002-03-15
Abstract: PURPOSE: A voice message service method for a bidirectional communication between clients and a messenger device therefor are provided to temporarily store inputted voice information and transmit stored voice information according to an event generated by a user. CONSTITUTION: An event transmitting unit(2a) transmits an event generated by a user to a management server according to a call connection and call end request message transmitted from the management server. A voice storing unit(2b) stores voice data corresponding to a voice message in an origination client computer when a user of the origination client computer generates a record event and inputs the voice message. A packet transmitting unit(2c) transmits the voice data divided into a plurality of packets to a termination client computer when the user of the origination client computer generates a transmission event. A reproducing unit(2d) assembles an answering voice data packet received from the termination client computer, and reproduces an answering voice message.