baber/WOPTO huggingface dataset:
Patent KR-20010039303-A (KR)
Inventor: KIM GWAN SU
IPC: H01J1/30
Filed: 1999-10-29
Abstract: PURPOSE: A method for fixing spacer of field emission display is provided to improve process yield and reliability of device motion because swallow spacer of high aspect ratio is also adhered stably to substrate, flit glass layer or metal layer is not required, process of space adhesion is simple, by fixing spacer at substrate with heat pressing after forming spacer on substrate using hard mask and adhering closely with pressure substrate. CONSTITUTION: A substrate(10) to compose FED is formed. A spacer(30), that is of material to be possible to press by heating substrate, is formed. A hard mask(20), that has spacer insert hole(22) and lower uneven part to prevent damage of panel caused by contact with display, is installed on substrate. Spacer(30) is inserted in spacer insert hole(22) of hard mask(20). Spacer(30) is adhered closely and pressed to substrate arranging pressure substrate(40), that is of material not to be made a heat pressing with spacer(30), on the top of substrate. Substrate and spacer(30) is made a heat pressing heating up substrate(10) and spacer(30) at predetermined temperature. Hard mask(20) is removed after decreasing temperature of substrate(10).
Patent KR-20010045039-A (KR)
Inventor: KIM YEONG CHEOL
IPC: B66C13/46
Filed: 1999-11-02
Abstract: PURPOSE: A position transducing coder-attached device of a full automatic crane is provided to transduce the exact position of a crane by attaching a position transducing coder to a timing belt and a pulley, to exclude anxieties according to the slide of a wheel on braking, and to maximize the convenience on the use of a user by transducing the position of a crane in poor surroundings. CONSTITUTION: A position transducing coder-attached device comprises: a frame(101) supporting each component of a crane; a wheel(103) liberating the conversion into rotary motion according to the rectilinear motion of the crane; an idle roller comprising a timing belt(105) and a pulley to transmit the rotary motion of the wheel to a position transducer; a position transducing coder(104) locating on the idle roller to transduce the position according to the rotary motion of the wheel; a spring(107) absorbing vibration caused by the rotation of the crane; and a scraper(108) removing the impurities on a rail.
Patent KR-20010045958-A (KR)
Inventor: JU GWANG CHEOL
IPC: H01L21/205
Filed: 1999-11-09
Abstract: PURPOSE: A method for manufacturing a capacitor of a semiconductor device is provided to reduce the number of unit processes, by obviating the necessity of a complicated capacitor module of a double or triple structure to increase an area of a lower electrode so that sufficient charging capacitance is obtained. CONSTITUTION: A lower electrode(13) is formed on a substrate(11) having various elements for forming a semiconductor device. An amorphous TaON thin film(15) is deposited on the lower electrode. A low temperature thermal process and a high temperature thermal process are carried out to form a TaON dielectric layer. An upper electrode(16) is formed on the TaON dielectric layer.
Patent KR-20010046181-A (KR)
Inventor: KIM JEONG HO
IPC: H04B7/14
Filed: 1999-11-11
Abstract: PURPOSE: A method for operating electrical ground support equipment(EGSE) for a satellite system is provided to perform automatically or manually a RF performance test of a bandwidth repeater and various components of an artificial satellite, correct easily various programs needed to equipment operation. CONSTITUTION: In an initializing step S10, in operation of EGSE, the step is to check whether the equipments constituting the EGSE is operated normally. Thereafter, in step S20, a power meter being used in measurement of the repeater is set as 0 and then the measurement is operated. In step S30, an EGSE operator is set. In steps S40,S50,S60,S70 and S80, a mode among the EGSE operation modes being constituted by a measurement mode, a test mode, a utility mode, and a finish mode is selected and operated as an operation mode.
Patent KR-20000035441-A (KR)
Title: Ferroelectric memory
Inventor: RORE THOMAS
IPC: G11C14/00
Filed: 1999-11-12
Abstract: PURPOSE: A ferroelectric memory is provided to reduce a maintenance time of a read period remarkably. CONSTITUTION: A ferroelectric memory comprises at least one ferroelectric memory capacitor (Cferro), a select transistor(TG), and a plurality of memory cells controlled through a plurality of word lines(WL0,WL1) and first and second pairs of bit lines(BL0,bBL0,BL1,bBL1). A reference signal obtained from a reference cell pair(R) through a bit line pair is compared with a read signal through a sense amplifier(SA1). The two pairs of bit lines are disposed at the sense amplifier. Short gates(SG') connect one of the bit lines(BL0,bBL0) of the first pair to one of the bit lines(BL1,bBL1) of the second pair, and thus the reference signal and the read signal are applied to the sense amplifier(SA1) through the first bit line pair(BL0,bBL0) and the second bit line pair(BL1,bBL1) in this order, respectively.
Patent KR-20010047331-A (KR)
Inventor: HUH JAE HO
IPC: B60K15/03
Filed: 1999-11-19
Abstract: PURPOSE: A fuel tank assembly of a combination gas and fluid is provided to store the gas and the fluid fuel at the same time and supplies selectively one out of the both fuels for an engine, so the utilized degree of a volume of a fuel tank is improved and the weight of a vehicle is lightened. CONSTITUTION: A first tank(110) stores selectively the gas or the fluid fuel, which is supplied for an engine. A second tank(120) stores the gas fuel. A first connecting line(140) and a second connecting line(150) connect the first tank with the second tank. A pump(160) is equipped in the first tank and connected with the second connecting line. And an ECU controls the following processes: When the first tank is used for the gas fuel, the first connecting line is open and the gas fuel is flowed from the second tank into the first tank, otherwise when the first tank is used for the fluid fuel, the first connecting line is closed and the gas fuel is discharged into the second tank through the second connecting line by the pump and the second connecting line is closed.
Patent KR-20010048614-A (KR)
Inventor: JANG DONG CHAN
IPC: A41F9/00
Filed: 1999-11-27
Abstract: PURPOSE: A belt having a lighter to be attached thereto and detached therefrom is provided which prevents loss of the lighter and simply carries the lighter. CONSTITUTION: The belt comprises: (i) a belt member(10) which has a certain length to wrap the waist of a person; (ii) a buckle(30) which is fixed on the one end of the belt member to be connected to the other end of the belt member; (iii) a locker(40) which is fixed on one side of the buckle; (iv) two brackets which are fixed on the other side of the buckle; and (v) a lighter(20) which is mounted between the locker and the bracket and is separated from the buckle by the movement of the bracket.
Patent KR-20000048249-A (KR)
Inventor: MURAMACHEIZI
IPC: H05K1/18
Filed: 1999-12-20
Abstract: PURPOSE: A circuit board is provided which can prevent the lowering of the reliability or the performance of an electronic component such as an IC chip. CONSTITUTION: In a flexible printed circuit(FPC) board(400), an input interconnection(420a) and an output interconnection(420b) are formed on an installation surface of an electronic component and a dummy interconnection layer(422) is formed on the contrary surface of the installation surface, by patterning a copper foil bonded on both sides of a base film(410) without an adhesion layer. The dummy interconnection layer is installed a bit wider than a region where an IC chip(450) is installed and has a moisture-proofing property and a light-proofing property. An input electrode(450a) and an output electrode(450b) of the IC chip are sealed up by an adhesion agent(460), each being connected electrically to the input interconnection and to the output interconnection respectively.
Patent KR-20010057696-A (KR)
Inventor: KIM TAI SUN
IPC: C07D493/18
Filed: 1999-12-23
Abstract: PURPOSE: The calixcrown derivatives, their producing method, self-assembled monomolecular layers produced by the method, and a method for fixing protein monomolecular layer using the self-assembled monomolecular layers are provided, thereby the calixcrown self-assembled monomolecular layers can be easily produced. CONSTITUTION: The calix(4)arene-biscrown-4 derivatives are represented by formula (1), in which R1, R2, R3, and R4 are independently -CH2SH, or two of R1 to R4 may combines together to forms -CH2-S-S-CH2-. The calix(4)arene-crown-5 derivatives are represented by formula (2), in which n is 1; R1, R2, R3 and R4 are independently -CH2SH or R1 and R3 are individually -CH2SH and R2 and R4 are individually H; R5 and R6 are independently -H, methyl, ethyl, propyl, isopropyl and isobutyl. The calix(4)arene-crown-6 derivatives are represented by formula (3), in which n is 2; R1, R2, R3 and R4 are independently -CH2SH or R1 and R3 are individually -CH2SH and R2 and R4 are individually H; R5 and R6 are independently -H, methyl, ethyl, propyl, isopropyl and isobutyl. The calixcrown derivatives are produced by chloromethylation reacting compounds of formula (2) or (3), wherein R1, R2, R3 and R4 are H and R5 and R6 are -CH3 or compounds of formula (1), wherein R1, R2, R3, R4 are H to change 2 or 4 groups of R1 to R4 into -CH2Cl; and changing C1 group into thiol(-SH) or two C1 groups into disulfide(S-S). The protein are fixed on self-assembled monomolecular layers by dipping gold substrate in a solution containing the calixcrown derivatives for 1 to 24 hours and dipping the self-assembled monomolecular layers in a solution containing proteins having molecular weight of 20,000 dalton or more for 1 to 2 hours.
Patent KR-20010065103-A (KR)
Inventor: HONG GYEONG PYO
IPC: H04L12/28
Filed: 1999-12-29
Abstract: PURPOSE: A method for dynamically assigning a public IP address and a private IP address in the Intranet is provided to set up source IP addresses of all IP packets for routing to the outer Internet as IPv4 address dynamically assigned from a server. CONSTITUTION: A packet corresponding to the first address of queue set in each application is duplicated and stored in a temporary memory(S21-S22). A destination IP address field of a header is searched in the stored packet for judging whether the destination IP address exists as a private IP address within Intranet address range(S23-S24). If exists, the private IP address is automatically set up(S25) and routing of inner Intranet is performed(S26). If the destination address IP address is judged as the public IP address, a detector of the destination IP address reports to an IP requesting client that the public IP address is required for a source IP address of an IP packet(S27). The client requests the public IP address to an IP address response server(S28). The IP address response server responses one IP address not used in a pool of the public IP address(S29-S30). The private IP address is automatically set up(S31).
Patent KR-20010065573-A (KR)
Inventor: SHIN GYEONG CHEOL
IPC: F24F13/08
Filed: 1999-12-30
Abstract: PURPOSE: An air flow direction control apparatus and method for controlling operation of the air flow direction control apparatus is provided to achieve an improved user convenience and maximized operating efficiency by adjusting angles of horizontal and vertical blades according to the remotely controlled concentrated cooling operation through a plurality of motors and motor driving units. CONSTITUTION: An apparatus comprises a control panel(40) attached to the front panel of the indoor unit so as to control operation of the indoor unit; a micro computer(41) electrically connected to a remote control input unit(10); a plurality of motors(51,52,61,62) operating in accordance with the control signal output from the micro computer; and a plurality of motor driving units(53,54,63,64) for swinging, through the rotational force from motors, a plurality of vertical blades(V1-V5) and horizontal blades(H1-H5) which are linked with each other in groups consisting of two or three blades.
Patent KR-20010058644-A (KR)
Inventor: KIM SU CHAN
IPC: H01L21/283
Filed: 1999-12-30
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to increase the yield by rejecting a crack from being formed or generated with forming a poly plug around the position of crack generation. CONSTITUTION: At first, an executive thin layer(30) is formed on an interlayer dielectric layer. Then, a poly plug(50) is formed on the executive thin layer to be near around a center of a peak point of a normal pattern(40) or the crack generation position. Further, the poly plug is formed to penetrate the interlayer dielectric layer to reach a lower layer. Then, the poly plug is formed near from the peak position of the normal pattern by 20 micrometers with a diameter less than 1 micrometer.
Patent KR-20010058734-A (KR)
Inventor: LEE MI OK
IPC: H04W8/04
Filed: 1999-12-30
Abstract: PURPOSE: A method for controlling a wireless automatic registration is provided to offer various added services supplied from an IP(Internet protocol) network and a WAP(Wireless Application Protocol), and present various interfaces via a WAP gateway. CONSTITUTION: A user inputs an access number of a mobile service company in order to set a voice call to a counselor(300,302). The user inputs his/her password and telephone number, and then a customer center transmits the inputted information of the user as new terminal information to a server(304,306). It is checked whether address information of the server exists (308). If the address information of the server is not included, the address information thereof is downloaded(310). Thus, a service can be provided to the user even though he/she does not know the address information thereof(312).
Patent KR-20010059203-A (KR)
Inventor: JUN YONG JIN
IPC: H03K19/00
Filed: 1999-12-30
Abstract: PURPOSE: A multinode buffer is provided to operate the respective buffer as respective node buffer by including a plurality of buffers in a dual port RAM. CONSTITUTION: In a multimode buffer, a plurality of write data converters(22) convert data into a parallel data respectively as to store a serial link data provided to the respective node respectively. A storing part(28) is distributed as a plurality of buffer areas to store the respective parallel data provided from the plurality of write data converters to the respective buffer. A plurality of read data converters read data stored respectively to the plurality of buffers in the storing part to convert the read data to the serial link data respectively. The storing part stores the respective parallel data through a multiplexer respectively.
Patent KR-20010060005-A (KR)
Inventor: PARK YONG GYU
IPC: G10L15/06
Filed: 1999-12-31
Abstract: PURPOSE: A method for expressing Gaussian probability density and a voice recognition training method are provided to easily obtain HPGAM(Hybrid Partitioned Gaussian Autoregressive mixture) having a better recognition ratio than a prior GAM(Gaussian Autoregressive mixture) and PGAM(Partitioned Gaussian Autoregressive mixture). CONSTITUTION: A probabiity density space is divided (401) into many PGAM spaces. The divided PGAM space is expressed (402) as a GAM. The highest GAM is expressed (403) as HPGAM, thereby expressing a Gaussian probability density. A voice recognition model in which the nuimber of mixture groups are initialized, a trained voice recognition model is obtained by a recognition training. A voice recognition test is made to the trained voice recognition model, a recognition tranining is made about a mis-recognition word. A new voice recognition model is obtained. A new voice recognition model having the increased number of mixture groups is obtained. A recognition training is performed to the obtained voice recognition model, and it is checked that the number of groups reaches to a desired number. If the number of groups reaches to the desired number, a voice recognition training is terminated.
Patent KR-20010066507-A (KR)
Inventor: KIM JONG GAP
IPC: B62D5/06
Filed: 1999-12-31
Abstract: PURPOSE: A pulsation preventing device is provided to prevent vibration and noise from being generated in a hydraulic pump by making liquid supplied from a hydraulic pump to a control valve pass through a pulsation chamber. CONSTITUTION: Multiple communicating holes(1) formed at the connecting part between a pulsation chamber(58) and a pressure hose(55) attenuate diverse kinds of pulsation frequency by virtue of different diameter thereof. The pulsation generated in a hydraulic pump of a steering system is attenuated once more by contraction and expansion movement of a bellows(2) formed in the pulsation chamber so as to sharply reduce vibration and noise generated in steering.
Patent KR-20000068507-A (KR)
Title: 종이의 다층 또는 단층 시이트 제조를 위한 펠트 하부의 경사 평탄 성형기
IPC: D21F1/00
Filed: 1997-09-05
Abstract: 종이의 다층 또는 단층 시이트를 제조하는 펠트 하부 경사 평탄 성형기는 제조 라인을 따라서 배치된 복수개의 성형 단위체를 구비한다. 각 성형 단위체는 대응하는 단단한 지지부상에 지지되고 롤러 시스템이 제공되며, 상기 롤러 시스템상에 성형 단위체 도는 그것의 일부가 안착된다. 지지부가 제거되었을때, 선택된 성형 단위체 또는 그것의 일부는 성형 장치의 작동을 중단하지 아니하면서 세정 또는 유지 목적을 위해서 생산 라인으로부터 제거될 수 있다. 각 성형 단위체는 액체를 시이트 성형용 원료로부터 배수시키는 것과 함께 원료내에 활성을 발생시키는 수단을 구비한다.
Patent KR-20000044037-A (KR)
Title: Method and apparatus for reducing noise in electronic film development
Inventor: EDGAR ALBERT D
IPC: H04N1/04
Filed: 1997-12-04
Abstract: PURPOSE: A method and an apparatus for electronic film development is provided to reduce noise substantially getting a developing or undeveloping image and to reduce a coherency speckle substantially in a developing image. CONSTITUTION: In electronic film development, a film is scanned multiple times by light during development. In a scan image, a coherency speckle noise getting worse for rear reflection image and contaminating a front reflection and transmitted image is caused. Any attempt to remove speckle effect by differencing an image made with the pre-expanded emulsion(308) from the expanded emulsion(320) can make the speckle effect worse by overlaying two different speckle pattern. A method and apparatus for electronic film development reduces the amount of coherency speckle detected by electronic film development by scanning substrate bearing a latent image and differencing that scan from the resultant post-development scan after the emulsion has expanded to its final thickness but before development has begun.
Patent KR-20000048956-A (KR)
Title: Process for the hydroxylation of benzene
Inventor: BUECHLER CHRISTOPHER R
IPC: C07C39/04
Filed: 1997-09-25
Abstract: PURPOSE: Inert gas additive is utilized in the catalytic oxidation of benzene with nitrous oxide to produce phenol in order to prevent excessive exothermic temperature increases and to render gaseous mixtures throughout the process non-flammable. CONSTITUTION: A mixture comprises nitrous oxide, an aromatic compound, which is benzene, having at least one substitutive hydrogen atom on the aromatic ring, and an inert gas, the molar ratio of nitrous oxide to aromatic compound being less than 0.5, and the molar ratio of nitrous oxide to inert gas being sufficiently low, not exceeding 0.25, such that the nitrous oxide and inert gas mix is incapable of forming a flammable mix with the aromatic compound.
Patent KR-20000052769-A (KR)
Title: Compositions for reducing odor on skin
Inventor: TRINH TOAN
IPC: A61K8/44
Filed: 1997-10-23
Abstract: PURPOSE: An aqueous odor absorbing composition is provided for the use of the aforementioned compositions in reducing body, vaginal, and or environmental odors on skin. CONSTITUTION: An aqueous odor absorbing composition, comprises: a) 0.1% to 5%, by weight of the composition, of solubilized, water-soluble, uncomplexed cyclodextrin; b) 0.5% to 30%, by weight of the composition, of a linear dimethicone having a nominal viscosity of 350 centistokes or less; c) an effective amount of solubilized, water-soluble, antimicrobial preservative; and d) an aqueous carrier; and wherein the composition is safe for use on skin. The compositions can also comprise one or more of the following optional components: low molecular weight polyols; water-soluble antimicrobial preservatives; zinc salts; water-soluble polymers; soluble carbonate and/or bicarbonate salts; chelating agents; zeolites; activated carbon; and mixtures thereof.
Patent KR-20000075491-A (KR)
IPC: C07C51/48
Filed: 1998-02-09
Abstract: 본 발명은 
     a) 3-[2-클로로-4-(트리플루오로메틸)-페녹시]-벤조산의 금속염을 유기 또는 무기산과 반응시키는 단계, 
     b) 유기 및 수성상의 액상 2-상계가 형성될 때까지 반응 혼합물을 가열하는 단계, 
     c) 수성상으로 부터 유기상을 분리하는 단계를 포함하는, 3-[2-클로로-4-(트리플루오로메틸)-페녹시]-벤조산의 금속염의 수용액으로 부터 하기 화학식 I의 3-[2-클로로-4-(트리플루오로메틸)-페녹시]-벤조산을 단리하는 방법에 관한 것이다. 
     <화학식 I>
Patent KR-20000076064-A (KR)
Title: 영상신호 재생장치와 계층형 영상신호 복호화장치
IPC: H04N7/26
Filed: 1998-12-25
Abstract: 공간축방향으로 계층화되고 부호화된 영상신호를 복호화하여 재생하는 영상신호 재생장치에 있어서, 입력전송 데이터를 복조한 복조데이터중의 수신데이터 중의 헤더를 디코드한 경우, 입력신호가 1개의 영상신호 비트스트림뿐인 것을 나타내는 식별데이터가 상기 헤더중의 소정위치에 기록되어 있는 경우에는 영상신호 비트스트림을 고해상도용 고능률 복호화기측에 출력하고, 저해상도용 고능률 복호화기측에는 출력을 하지 않고, 고해상도용 고능률 복호화기의 출력을 그대로 영상신호로서 출력함으로써 계층형 부호화방식으로 부호화된 영상신호뿐만아니라, 비계층형 부호화방식으로 부호화된 영상신호도 동시에 재생할 수 있는 영상신호 재생장치를 제공한다.
Patent KR-20010012255-A (KR)
IPC: D06M15/59
Filed: 1998-04-30
Abstract: Binder coated fibres comprising from 80 to 99 % by weight reinforcing fibres and from 1 to 20 % by weight of a preform binder resin, said binder resin being in the form of particles or discrete areas on the surface of the reinforcing fibres, said binder resin comprising: from 40 to 90 % by weight of the binder resin of a thermosetting resin and from 10 to 60 % by weight of the binder resin of a high molecular weight engineering thermoplastic and/or an elastomer selected from vinyl addition polymer, fluororelastomers and polysiloxane elastomers, the engineering thermoplastic/elastomer being dissolved in the thermosetting resin, the binder resin being non-tacky at ambient temperature, having a softening point in the range 50 to 150  DEG C and being heat curable at a temperature in the range 50 to 200  DEG C.
Patent KR-20010012976-A (KR)
IPC: H01L21/56
Filed: 1999-03-25
Abstract: 반도체 어셈블리(10)는 반도체 칩(12)이 다이 패드(14)에 고착되어 있으며, 캐비티(38)내에 배치된다. 하형(36)에는 캐비티(38)내에 진퇴 자유로운 지지 핀(42)이 설치되어 있다. 지지 핀(42)은 하형(36)에 설치된 몰드 게이트의 축선상에 배치되어 있으며, 서보 모터(48)에 의해서 상하로 움직이도록 되어 있고, 다이 패드(14)의 하면에 접촉하여 반도체 어셈블리(10)를 지탱하고, 캐비티(38)에 주입된 수지의 흐름에 의해서 반도체 어셈블리(10)가 경사지거나, 상하 방향으로 변위하는 것을 방지한다.
Patent KR-20010013500-A (KR)
Title: 반도체기판의 열처리방법
IPC: H01L21/762
Filed: 1999-04-06
Abstract: 본 발명은, 적어도 하나의 표면상에 반도체층(4)을 포함하는 기판을 처리하기 위한 공정에 관한 것이다.  이 공정은 기판을 어닐링(annealing)하는 단계와, 상기 반도체층(4)의 표면상에 산화층(6)을 형성하는 단계를 구비하여 구성되고, 상기 산화층(6)을 형성하는 단계는, 상기 어닐링 단계가 종료되기 전에 나머지 반도체층(4)을 보호하면서 실행된다.
Patent KR-20010013643-A (KR)
Title: 단일 결정 부재의 공융 결합
IPC: C04B37/00
Filed: 1998-05-20
Abstract: 본 발명은 고온 및 화학적 침습에 견딜 수 있는 강한 결합을 형성시키기 위한, 사파이어와 같은 단일 결정 엘레먼트(12, 14)를 함께 용융 결합시키는 방법 및 이로 부터 형성된 물품을 제공한다.  본 발명의 용융 결합 혼합물(16)은 이트리아와 같은 제 IIIA족 화합물을 포함할 수 있다.
Patent KR-20010013862-A (KR)
Title: 칼날을 다이아몬드성 탄소로 코팅하는 방법
IPC: B43K1/00
Filed: 1998-06-11
Abstract: 기질을 탄화수소 가스 환경에 노출시킨 다음; 
     고 이온 플럭스 및 조절된 저 에너지 이온 충격의 조건하에 대략 5 x 10 10 /cm 3 이상의 전자밀도 및 약 2 mm 이하의 피복 두께의 환경에서 플라즈마를 발생시키는 단계를 포함하는, 기질(22) 상에 다이아몬드성 탄소 박막을 생성시키는 방법. 또한, 표면을 지닌 기질 및 표면 상의 다이아몬드성 탄소 박막을 포함하고, 박막이 대략 20 Gpa 이상의 경도를 지니고 장-방출 주사 전자 현미경에서 50,000배 배율로 보았을 때 직경이 300 Å이상인 식별가능한 입자가 없는 제조제품.
Patent KR-20010020513-A (KR)
Title: 인공사운드환경 조성 시스템
IPC: H04R5/033
Filed: 1998-06-24
Abstract: 2개의 귀를 가진 사용자가 착용하도록 되며 각각의 귀에 적어도 하나의 오디오 신호를 청취 가능하게 제공하는 헤드폰 어셈블리에 초음파 기준 신호를 보내고,  각각의 귀에 대한 초음파 기준 신호의 도착 신호를 처리하여 한쪽 귀와 나머지 귀에서 수신한 신호의 위상 차이를 측정하고, 적어도 2개의 오디오 신호를 변조하는데 각 귀에 대한 적어도 하나의 신호는 위상 차이에 따라 변조하며, 적어도 2개의 오디오 신호를 헤드폰 어셈블리를 개재하여 각 귀에 보내는 단계로 이루어지는 인공 사운드 환경 시뮬레이션 방법.