baber/WOPTO huggingface dataset:
Patent KR-20070072789-A (KR)
Title: Four-way valve and apparatus for refri geration cycle
Inventor: LIM BYONG GUK
IPC: F25B1/00
Filed: 2006-01-02
Abstract: A 4-way valve and a refrigeration cycle system is provided to reduce a flow rate of refrigerant discharged from a compressor and bypassed to the 4-way valve for securing a sufficient amount of the refrigerant and realize smooth conversion operation of the 4-way valve by a small amount of oil. A refrigerating cycle system includes a compressor having two or more compression chambers, a bypass pipe(240) for bypassing refrigerant discharged from the compressor partially, and a 4-way valve(200) connected to the bypass pipe for selectively supplying the bypassed refrigerant to the compression chambers. A sub-bypass pipe(340) sub-bypasses the refrigerant from the bypass pipe partially. A pilot valve(300) is connected to the sub-bypass pipe for driving the 4-way valve based on the sub-bypassed refrigerant. A flow rate converter such as an orifice(401) is mounted between the sub-bypass valve and the 4-way valve for changing a flow rate and pressure of the refrigerant to increase a flow rate and pressure of the refrigerant to be sub-passed.
Patent KR-20070072940-A (KR)
Title: Protector of deaf person
Inventor: CHUNG CHUNG CHO
IPC: G08B7/06
Filed: 2006-01-03
Abstract: A method for forming a signal conversion and transmission device for a deaf person is provided to immediately transmit signals to the deaf person by converting sound and heat signals into vibration, heat, and a flickering light signal of various colors. In a method for forming a signal conversion and transmission device for a deaf person, the signal conversion and transmission device converts various sound signals into a heat signal, a flickering light signal, and a vibration signal and then transmits the converted signals to the deaf person. The magnitude of the output signal is divided into low, middle, and high levels so that the user properly acts in consideration of the relative seriousness. The user who receives the signal instinctively recognizes the dangerous situation by regulating vibration frequency of the vibration signal, wavelength of the heat signal, and the frequency number of flickering and the lux of the flickering light signal.
Patent KR-20070074352-A (KR)
Title: Method and apparatus for providing service using multimedia message in mobile communication set
Inventor: KIM HEE JUNG
IPC: H04W8/26
Filed: 2006-01-09
Abstract: A service supply method using a multimedia message in a mobile communication terminal and a device thereof are provided to automatically register an image or a sound without a receiver individually designating the image or the sound on a background screen or in a bell sound and a phone book, by using the received multimedia message, thereby resolving a user's inconvenience. A multimedia message transmitted from the other party's mobile communication terminal is received(410). It is decided whether the received message is a predetermined phone theme service message(420). If so, a check message for checking whether to designate and use the received message as a phone theme is outputted(430). A phone theme designation request is inputted by a user(440). The phone theme is set by the received multimedia message according to the request(450).
Patent KR-20070021022-A (KR)
IPC: H04W4/06
Filed: 2006-01-14
Abstract: 본 발명은 휴대 방송 시스템에 관한 것으로, 특히 휴대 방송 시스템에서 통지 메시지의 구조 및 통지 메시지 구조와 통지 메시지를 송수신하기 위한 장치 및 방법에 관한 것이다. 
     본 발명에 따른 휴대 방송 시스템에서는 사용자 및 단말기에 대한 동작을 구분하는 통지 메시지를 생성하고, 상기 단말기에서는 상기 통지 메시지를 사용자에게 제공하거나, 갱신된 서비스 가이드를 인지하여 변경된 내용을 갱신하고, 서비스 이벤트에 따라 동작한다. 또한, 상기 통지 메시지가 사용자 동작에 대한 정보를 포함하고 있다면, 수신된 통지 메시지에 대해 우선권을 부여하여 우선권이 높은 통지 메시지의 경우는 현재 제공하는 컨테츠를 중단하고 상기 통지 메시지를 사용자에게 제공할 수 있다. 또한, 필터링 밸류(Filtering Value)를 통하여 상기 단말기에 저장되어 있는 컨텐츠의 속성 값과 해당 밸류 값을 통해 서비스 사업자 혹은 사용자가 원하는 광고를 포함하는 보조 컨텐츠를 제공할 수 있다. 
       
     휴대 방송 시스템, BCMCS, BCAST, MBMS, XML, Notification, Filtering
Patent KR-20060103089-A (KR)
Inventor: PARK SEUNG JOON
IPC: G06Q40/02
Filed: 2006-01-17
Abstract: 본 발명은 소비자패널의 영수증 및 설문을 이용하는 정보제공시스템 및 정보제공방법에 관한 것으로서, 더욱 상세하게는 소비자패널의 구매 영수증으로부터 소비자 구매행동 데이터를 구축하고, 구매제품 및 제공받은 서비스에 대한 설문 조사를 통해 소비자 만족도 평가 데이터를 구축하여, 소비자에게 구매 가이드로 제공할 수 있을 뿐만 아니라, 이를 필요로 하는 업소나 기업에 마케팅자료로 제공할 수 있는 소비자패널의 영수증 및 설문을 이용하는 정보제공시스템 및 정보제공방법에 관한 것이다. 
     본 발명은 적어도 한 대 이상의 개인 단말기와, 조사시스템서버, 데이터베이스서버와, 영상분석 및 처리장치와, 정보이용자 측 시스템을 구비하여 실시하는 정보제공방법에 있어서, 소비자패널이 상기 개인 단말기에서 영수증의 영상데이터를 생성한 후, 인터넷을 통해 상기 영상데이터를 업로드하여 상기 데이터베이스서버에 저장하는 영상데이터 획득단계와; 상기 데이터베이스서버에 저장된 영수증의 영상데이터로부터 카테고리정보를 생성하여 저장하는 영상데이터 분석 및 처리단계와; 상기 카테고리정보에 따라 조시시스템서버의 설문관리모듈을 통해 소비자패널에게 설문을 제시하고 응답을 받아 상기 데이터베이스서버에 저장하는 설문수집단계와; 상기 카테고리정보로부터 소비자패널이 구매한 제품이나 서비스에 대한 시장정보를 생성하는 단계와; 수집된 설문에 의해 소비자패널이 구매한 제품이나 서비스에 대한 만족도를 평가하는 단계; 및 상기 단계를 거쳐 생성된 정보를 인터넷 또는 무선 통신망을 통해 정보를 요구하는 정보이용자에게 제공하는 정보제공 서비스단계;를 포함하는 것을 특징으로 한다.  
       
     영수증, 패널 데이터, 설문조사, 만족도, 점유율, 평가지수, 영상데이터, 이동통신 단말기, 마케팅정보, 지역기반 구매가이드정보, 만족도분포의 상대적 위치, 네비게이션, 쿠폰
Patent KR-20070076927-A (KR)
Title: Display device
Inventor: SUNG HWAN JUN
IPC: G09G3/20
Filed: 2006-01-20
Abstract: A display device is provided to suppress generation of excessive heat from the display device by applying a small-load data signal to a driver chip instead of an image data signal or interrupting a signal applied to the driver chip. A display device includes a display panel and a driver. The driver includes plural driver chips, which drive the display panel. At least one of the driver chips includes a temperature sensor(210) detecting the temperature of the driver chip. The driver includes a temperature signal generator(220) connected to the temperature sensor and generates a temperature signal based on the temperature of the driver chip. The temperature signal generator generates a normal temperature signal when the temperature of the driver chip is lower than a predetermined value, and an erroneous temperature signal when the temperature of the driver chip is higher than the predetermined value. The driver chip includes a data driver IC(300) and a timing controller(100).
Patent KR-20070076969-A (KR)
Title: Plasma display apparatus and manufacturing method of plasma display apparatus
Inventor: CHOI CHUL CHAE
IPC: H01J11/44
Filed: 2006-01-21
Abstract: A plasma display apparatus and a manufacturing method of the same are provided to increase a yield and productivity by simplifying a manufacturing process thereof. A plasma display apparatus includes a plasma display panel and a front filter. The front filter is formed on the plasma display panel and includes a black dry film layer(250). The front filter includes a first adhesive layer(252a) deposited on a lower part of the black dry film layer, a metal layer(251) deposited on the black dry film layer, and a second adhesive layer(252b) deposited on the metal layer. The black dry film layer includes a plurality of holes. Each of the holes has a rectangular shape or a polygonal shape.
Patent KR-20070077401-A (KR)
Title: Display apparatus and manufacturing method having the same
Inventor: MOON JONG HAK
IPC: G03B21/14
Filed: 2006-01-23
Abstract: A display apparatus and a manufacturing method thereof are provided to improve reliability of products by preventing the products from generating a failure during the operations of replacing and repairing components. A display apparatus includes a body(20), a display device(40), a device panel(50), a front cover(60), and a device drive substrate(70). The body receives a light source unit for irradiating light. The display device forms images using the light irradiated from the light source unit. The device panel receives the display device. The front cover is engaged with the body. The front cover is provided with a panel attaching and detaching portion. The panel attaching and detaching portion engages the device panel. The device drive substrate is engaged with the front cover to face the body. The device drive substrate is electrically connected to the display device.
Patent KR-20070077719-A (KR)
Title: Driver of color led
Inventor: LEE DONG WOO
IPC: H05B44/00
Filed: 2006-01-24
Abstract: An apparatus for driving of a color LED is provided to compensate for the variation of operation characteristics of the LED by directly coupling an NTC(Negative Temperature Coefficient) thermistor on a driving current path of the LED. A constant driving voltage supply(100) supplies a predetermined constant driving voltage. A driving circuit unit(200) converts the constant driving voltage from the constant driving voltage supply to plural driving currents to br used for driving a color LED. The driving currents include a red LED(Light Emitting Diode) driving current, a green LED driving current, and a blue LED driving current. A temperature compensator(300) compensates for the variation of the red LED driving current and the green LED driving current due to the variation of temperature. An LED unit(400) includes plural color LEDs, which are turned on by the driving currents from the driving circuit unit and the temperature compensator.
Patent KR-20060018278-A (KR)
Inventor: PARK JAE SEOK
IPC: G06Q30/02
Filed: 2006-02-07
Abstract: 본 발명은 현재 인터넷,핸드폰등 각종 통신기기들을 통해서 불특정 다수에게 행해지는 스팸메일,SMS 문자메시지등의 무차별,비효율적인 광고없이 기업이 인터넷상에서 긍정적으로 목표고객(TARGET CUSTOMER)을 확보하는 방법에 관한 발명이다 그 방법이란 쇼핑몰사이트 및 일반기업사이트가 목표고객(Target Customer)를 확보할 목적으로 목표고객에 적요한(고객연령대,성별,나이,취향,직업별 교육상 필요한)멀티미디어동영상강의를 제작 하거나 매수하여  해당 쇼핑몰 광고를 삽입하여 인터넷을 통해  멀티미디어 게시판이나  컨텐츠제공서버에 업로딩하고 클라이언트(Target Customer)가 다운로드방식이나 스트리밍방식으로 멀티미디어동영상강의를 시청하게한다. 시청한 고객이 자유의사에 따라 추가강의정보 확보 및 해당쇼핑몰 상품 및 서비스정보 확보를 위해서 멀티미디어강의 자체에 삽입된 하이퍼링크(hyper link)를 통하거나 주소창에 직접 해당쇼핑몰및 기업의 인터넷주소를 입력하여 해당사이트를 방문하게 된다   이 과정을  거치면서 해당쇼핑몰및 기업은 Target Customer의 데이타를 생성시키고(T-CRM:Target Customer Relation Making)이 과정을 통해  쇼핑몰 데이타베이스에 저장된 고객정보활용(CRM:Customer Relation Management)을 통하여 차별화된 CRM 운영을 하는 방법에 관한 발명이다  위와같이  멀티미디어동영상강의를 통해 맞춤형광고를하여 쇼핑몰이 목표고객(Target Customer)정보를  확보하여 네트워크상에서 광고하고 마케팅하는  과정을 총칭하여 에듀마케팅(EDU-MARKETING:Online Education Marketing and Commercials)이라한다 
       
     인터넷상맞춤형광고,목표고객정보생성,멀티미디어동영상강의,CRM
Patent KR-20070081959-A (KR)
Title: A filter of clean-water filter with silver
Inventor: JUNG SUNG HOON
IPC: B01D39/02
Filed: 2006-02-14
Abstract: A filter for a water purifier is provided to remove microorganisms existing in water through sterilization, by attaching a silver cotton member onto a nonwoven fabric so as to filter powder of carbon used for purification of water. A filter housing(11) includes a carbon pole(20) and nonwoven fabric members fixed at both surfaces of the carbon pole. An upper cap(12) is joined to an upper portion of the filter housing, wherein the upper cap has an inlet through which water to be purified is inputted. A lower cap(13) is joined to a lower portion of the filter housing, wherein the lower cap has an outlet through which purified water is outputted. A nonwoven fabric(3) is attached to a nonwoven fabric fixing member(2). A silver cotton member(30) is attached to one surface of the nonwoven fabric, which is contacted with the carbon pole, using high frequency.
Patent KR-20060095516-A (KR)
Inventor: KONDO NOBUHIRO
IPC: F01N3/24
Filed: 2006-02-28
Abstract: 배기 정화 수단(24,56,78)의 배기 정화 기능을 유지하기 위한 보조제를 배기 정화 수단(24,56,78)보다 상류측에 공급하는 보조제 공급수단(32,58)을 구비하고, 보조제 공급수단(32,58)을 제어해서 보조제의 공급량을 조정하는 제어수단(38)은, 배기 정화 기능의 유지에 필요한 보조제의 기준공급량을 설정하는 기준공급량 설정부(40,50,68,86)와, 기준공급량을 배기압력에 기초해서 보정하여 보조제의 목표공급량을 설정하는 목표공급량 설정부(42,52,70,88)와, 목표공급량의 보조제를 공급하도록 보조제 공급수단을 제어하는 공급 제어부(44,54,72,90)를 구비한다.
Patent KR-20070090392-A (KR)
Title: Field emission display
Inventor: LEE GYEONG SANG
IPC: H01J1/30
Filed: 2006-03-02
Abstract: A field emission display device is provided to maintain a vacuum state within an image driving space between a cathode substrate and an upper substrate by forming an additional airtight space. A field emission display device includes an upper substrate(10), a cathode substrate(20), and a lower substrate(30). An anode electrode is formed on the upper substrate. The cathode substrate is used for emitting electrons from the upper substrate. A vacuum sustaining space is formed between the lower substrate and the cathode substrate so that gas molecules generated from an image driving space are emitted to the vacuum sustaining space. The image driving space is formed between the upper substrate and the cathode substrate. The cathode substrate includes a connection hole in order to connect the image driving space with the vacuum sustaining space to each other.
Patent KR-20060102496-A (KR)
Inventor: NAGAYAMA TAKASHI
IPC: H02K9/04
Filed: 2006-03-15
Abstract: 본 발명은 통풍팬(16)의 선단부(先端部)와 제 1 브래킷(bracket)(8) 사이에 제 1 미소 틈(18)이 형성되고, 구획 부재(19)의 선단부와 제 2 브래킷(11) 사이에 제 2 미소 틈(21)이 형성되고, 베어링(bearing) 브래킷(9)에서의 날개(16b)보다도 내주(內周) 측 부위에 제 1 개구부(9a)가 설치되고, 이 제 1 개구부로부터 통풍팬에 의해 외기(外氣)를 도입하여 냉각풍(冷却風)으로 하고, 이 냉각풍이 제 1 브래킷의 통풍로(8a) 및 스테이터(stator) 철심(鐵心)(1)의 외주(外周) 측 통풍로(1a)를 통과하여 다시 외부로 배출되고, 제 2 브래킷(11)에 제 2 개구부(11b)가 설치되고, 이 제 2 개구부(11b)로부터 통풍팬에 의해 외기를 유입하여 냉각풍으로 하고, 이 냉각풍이 로터(rotor) 철심(3)의 통풍로(3a), 제 1 브래킷의 통풍로 및 스테이터 철심 외주 측의 통풍로를 통과하여 다시 외부로 배출되도록 구성된 것을 특징으로 한다. 
       
     통풍팬, 브래킷, 미소 틈, 냉각풍, 통풍로
Patent KR-20070095139-A (KR)
Title: An analyzing and storing method of records od golf game
Inventor: SON JONG HAK
IPC: G06Q50/10
Filed: 2006-03-20
Abstract: An apparatus for storing information about a record of a golf game, an analyzing and storing method thereof are provided to enable a golfer to store all detailed records while playing the golf game and analyze various game analyses by using the stored records. A unit for storing information about a record of a golf game comprises the followings: a computation control unit(50), a key input unit(10) for setting up an operation mode, a GPS(Global Positioning System) receiving unit(20), a GPS indicator, a display unit(30), and a memory unit(40) including a unit for storing golf course map image data(41), a unit for storing personal record data(42), and a unit for storing a system code(43). The computation control unit and the unit for storing personal record data includes a step for the total stroke number, a record of stroke points and driving distances by each stroke, and information in a golf game, and a step for measuring and storing driving distances by each golf club.
Patent KR-20070034920-A (KR)
Title: 광학 측정 장치 및 이것을 이용한 화상 형성 장치
IPC: G01J3/46
Filed: 2006-03-23
Abstract: 본 발명은 광원으로부터 측정 대상물까지의 거리가 변동된 경우라도, 수광 영역을 항상 일정하게 유지할 수 있어, 거리 변동의 영향을 회피할 수 있음과 동시에, 측정 영역 외부로부터 미광(迷光)이 입사하여 오차를 발생하는 것을 방지할 수 있어, 측정 정밀도를 향상시키는 것을 목적으로 한다. 
     측정 대상을 조명하는 광원과, 상기 측정 대상의 측정면으로부터 반사된 광을 수광하는 수광기와, 상기 측정 대상의 측정면에 조사되는 조명광 및 상기 측정 대상의 측정면으로부터 반사되어 수광기에 수광되는 반사광을 제한하는 개구부를 갖는 개구 부재를 구비하고, 상기 측정 대상의 측정면에 접촉하지 않고 비접촉 상태에서 측정 대상물을 광학적으로 측정하는 광학 측정 장치에 있어서, 상기 개구 부재를 상기 측정 대상의 측정면에 대한 조명 영역을 결정하는 제 1 개구 부재와, 상기 측정 대상의 측정면으로부터 반사되어 상기 수광기에 입사하는 반사광의 측정 영역을 결정하는 제 2 개구 부재로 구성하여 과제를 해결하였다. 
       
     광학 측정 장치, 메인 애퍼처, 서브 애퍼쳐, 조명 렌즈, 수광 렌즈
Patent KR-20070098141-A (KR)
Title: System for network-based delivery service and method thereof
Inventor: LEE YONG AN
IPC: G06Q10/08
Filed: 2006-03-31
Abstract: A system and a method for providing a network-based delivery service are provided to enable personal or enterprise customers to input delivery information directly, make a delivery reservation, print an invoice, and check delivery process information in real-time. A plurality of user computers(200) logs in to a delivery service site connected through the network, inputs the delivery information to the delivery service site, and prints the invoice according to an output form provided from the delivery service site through a printer. A server computer(300) of the delivery service site stores the delivery information received from the user computer in a database, controls invoice printing of the user computer, outputs the closest deliveryman to a delivery service user, and stores data collected in a process for gathering and delivering each delivery article. A plurality of deliveryman terminals(400) receives the delivery information requested from the delivery service user from the server, and outputs the data collected in the process for gathering and delivering the delivery article enclosed with the invoice based on the delivery information.
Patent KR-20070098255-A (KR)
Title: Micro speaker and manufacturing method of micro speaker
Inventor: LEE JONG BAE
IPC: H04R9/02
Filed: 2006-03-31
Abstract: A micro speaker and a method for manufacturing the same are provided to reduce process time added for drying an adhesive by inserting a PCB(Printed Circuit Board) into a protrusion. A micro speaker includes a plate(410), a magnet(420), a yoke(430), a voice coil, a vibrating plate(450), and a PCB(460). The plate(410) has a protrusion(411) in a down direction. The magnet(420) has an inserting hole(421) inserted into the protrusion(411) of the plate(410). The yoke(430) has an inserting hole(431) inserted into the protrusion(411) of the plate(410). The voice coil is vibrated by interfering in a magnetic field which the magnet(420) forms. The vibrating plate(450) generates sound pressure by vibrating together according to the vibration of the voice coil. The PCB(460) is installed to offer an electric signal to the voice coil.
Patent KR-20070099738-A (KR)
Title: Method for controlling tilt in optical disc driver
Inventor: JUNG IN SU
IPC: G11B7/09
Filed: 2006-04-05
Abstract: A method for regulating tilt of an optical disk device is provided to progress a following reproducing or recording action instantly by skipping tilt regulation action for an un-curved disk and to improve recording quality by detecting optimized tilt regulation value for the curved disk. A method for regulating tilt of an optical disk device comprises the steps searching a focus at a periphery of the optical disk(S11), detecting and storing focus driving voltage when focus driving signal is generate while searching the focus(S12), searching the focus in an endostyle of the optical disk(S13), detecting and storing focus driving voltage when focus driving signal is generate while searching the focus(S14), and determining whether tilt regulation is progressed or not at the periphery of the optical disk on the basis of detected two focus driving voltages (S22). The tilt regulation is progressed at the periphery of the optical disk if difference between two detected focus driving voltages is over than standard value. The tilt regulation is skipped if the difference between two detected focus driving voltages is less than standard value.
Patent KR-20070105059-A (KR)
Title: Power transmit device
Inventor: LEE HUN SANG
IPC: F16H55/52
Filed: 2006-04-25
Abstract: A power transmission apparatus is provided to obtain a packaging characteristic and a power transmission characteristic of a motor unit simply by forming a stator on an inner circumference of a pulley and installing a rotor in the inside of the stator. A pulley(10) transmits driving force of an engine to a compressor(60). A stator(11) is formed on an inner circumference of the pulley. A rotor(20) is installed coaxially to a driving shaft(61) of the compressor. A first one-way clutch(30) is formed coaxially to the driving shaft at one end of the pulley in order to transmit the driving force of the engine to the driving shaft. A second one-way clutch(40) is inserted between the rotor and the driving shaft in order to transmit rotatory power of the driving shaft. A third one-way clutch(50) supports the rotation of the pulley to the compressor when the pulley is rotated. The third one-way clutch prevents the rotation of the pulley when the rotor is rotated.
Patent KR-20070105410-A (KR)
Title: The twin-jige type portable bookrest
Inventor: SEO SU CHEOL
IPC: A47B23/06
Filed: 2006-04-26
Abstract: A twin A-frame type portable bookrest is provided to be carried easily, to make the size thereof small, and to form a three fold shape when being folded completely by having rods of 2-3mm as main constitutional elements. A long A-frame is used as a support frame and a wide A-frame is used as a gripping frame to be hung on a partition. The long A-frame leg is hung on the partition with an A-frame branch. The wide A-frame is hung on the long A-frame with a connection branch. A thin rod of the long A-frame is sustained by an A-frame leg connected thereto. The wide A-frame forms an inclination by leaning on a short A-frame rod. A reading material is hung by an A-frame branch, a rack(g) and a hanging rod.
Patent KR-20060116716-A (KR)
Title: Transcript apparatus
Inventor: KOKUBO MITSUNORI
IPC: H01L21/027
Filed: 2006-05-09
Abstract: A transcript apparatus is provided to minimize adverse effects due to the variation of pressure in a vacuum forming chamber by using a pressure detector and a pressure control section. A transcript apparatus includes a vacuum forming chamber with a transcript die and a forming product opposite to each other, a driving body(19) for supporting one out of the transcript die and the forming product and adjusting a distance between the transcript die and the forming product, a balance cylinder(50) connected to the driving body through a piston rod(52), a pressure detector for detecting an inner pressure of the vacuum forming chamber, and a pressure control section. The pressure control section is used for removing the fluctuation of load applied to the driving body by controlling the pressure of a working fluid supplied to the vacuum forming chamber according to the output of the pressure detector.
Patent KR-20070098386-A (KR)
Title: Magnetic type ballast for numbers of lamp
Inventor: CHOI IN SIL
IPC: H05B41/02
Filed: 2006-05-09
Abstract: A magnetic type ballast for multiple lamps is provided to improve power consumption efficiency by using a power factor correcting capacitor and an insulation member. A magnetic type ballast for multiple lamps includes a core(10), coils(13,14), a first power supply terminal(AC1), a load terminal, and a second power supply terminal(AC2). The core includes a central bump and plural outer bumps. The central bump forms a shared magnetic path. The outer bumps form independent magnetic paths. The coils are wound around the respective outer bumps in the same direction. The first power supply terminal is coupled with first end portions of the respective coils. The load terminal couples second end portions of the respective coils with one end of the load. The second power supply terminal is coupled with the other end of the load.
Patent KR-20070112520-A (KR)
Title: Testing sound quality using audio loop back
Inventor: HUR WOON KI
IPC: H04B17/00
Filed: 2006-05-22
Abstract: A sound quality test method using audio loopback of a mobile communication terminal and a device are provided to test the sound quality of an MP3 file and a voice signal transmitted/received from a digital terminal embedded with a Bluetooth module by using audio loopback, thereby improving sound quality as reducing time loss for the test. A test signal of a predetermined frequency is generated and transmitted to a mobile communication terminal through a cable or in a short-range wireless communication way(S210,S220). If an audio looped-back signal is inputted from the terminal through the cable or in the short-range wireless communication way, an audio measurement parameter value is calculated by using the test signal and the audio looped-back signal(S230,S240). The audio measurement parameter value is displayed through a display as time information(S250).