baber/WOPTO huggingface dataset:
Patent KR-20000007315-A (KR)
Title: Spraying/inhaling type washing machine
Inventor: KWON OH HOON
IPC: D06F35/00
Filed: 1998-07-02
Abstract: PURPOSE: A spraying/inhaling type washing machine is provided to minimize a damage on a fabric and an amount of needed water and to reduce a washing time. CONSTITUTION: A washing machine comprises: a washing machine main body(10); a spraying washing nozzle(20) spraying a washing/rinsing water to a laundry(M); an inhaling washing nozzle(30) reflowing in the washing/rinsing water passing through the laundry by supplied from the spraying washing nozzle with a contaminant; and a circulating instrument(40) filtering the contaminant from the washing/rinsing water for supplying the washing/rinsing water to the spraying washing nozzle.
Patent KR-20000007782-A (KR)
Title: Low-salt sausage within the long-storage of possibility
Inventor: BYEON MYEONG U
IPC: A23B4/01
Filed: 1998-07-07
Abstract: PURPOSE: A Low-salt sausage within the long-storage of possibility is provided to apply X-rays to flesh of raw material. CONSTITUTION: A low-salt sausage manufactured by applying gamma-ray in the range of 1-10kGy of absorption ray quantity to flesh of raw material could be reduced annex level of salt and phosphates without bulking agent and be stored in long-term without preservative.
Patent KR-19980072015-A (KR)
Title: 스키드 로더용 작업기
IPC: B66F9/00
Filed: 1998-07-14
Abstract: 본 발명은 다양한 작업이 가능한 제품들을 부착시켜 작업하는 스키드 로더(Skid Loader)에 포크레인과 그레이퍼 기능의 삽을 일체형으로 제작하여 부착시키는 스키드 로더용 작업기에 관한 것이다. 
     종래 스키드 로더에 장착해서 사용하는 포크레인은 스키드 로더의 운전석에서 작업하지 못하고 포크레인에 설치된 운전석으로 이동하여 작업하므로 자주 이동하는 불편함이 있고 포크레인 이외의 작업이 불가능한 것이다. 
     따라서 본 발명은 포크레인(7)과 일체형으로 설치되는 삽(2)의 상측으로 축(43)으로 연결된 높이조절대(41)에서 운전대(40)를 연결한 운전장치(4)와 높이가 조절되는 높이조절장치(6)를 설치하고 삽(4)의 후방으로 스키드 로더(1)의 연결판(11)에 연결되는 연결장치(5)로 구성시키며, 운전장치(4)는 운전대(40)를 길게 설치하여 선단에 작동간(42)을 연결하고 높이조절대(41)의 하측에서 축(43)으로 연겨하여 회전되어 스키드 로더(1)의 운전석에서 작업할 수 있도록 하는 것이다.
Patent KR-20000009173-A (KR)
Title: Method for simultaneously managing network equipments in network management system
Inventor: NO UNG SOK
IPC: G06F15/18
Filed: 1998-07-22
Abstract: PURPOSE: A method for simultaneously managing network equipments in a network management system is to simultaneously monitor network equipments through a network management system on one monitor. CONSTITUTION: A method for simultaneously managing network equipments comprises the steps of: driving a network management system; setting a network equipment controlled by a network manager through the driving; displaying a picture with a normal size corresponding to the network equipment on a frame window; changing the size of the set network equipment picture; and managing the state of the network equipment using several network equipment picture generated in the changing step. Thereby, network equipments are managed efficiently.
Patent KR-20000009700-A (KR)
Title: Non-contact type tire/wheel requirements uniformity measuring device
Inventor: PARK BYUNG GU
IPC: G01B11/30
Filed: 1998-07-28
Abstract: PURPOSE: A non-contact type tire/wheel requirements uniformity measuring device is provided to measure the tire requirements without applying any substance on the surface of the tire or depositing it in water reservoir. CONSTITUTION: The present invention discloses a non-contact type tire/wheel requirements uniformity measuring device comprising:a displacement measuring device having a light radiation unit(L) radiating light, and a light receiving unit(R) receiving the light reflected on the tire to be measured and converting it into electric signal; an amplifier(11) amplifying the electric signal from the light receiving unit(R) of the displacement measuring device(10); an A/D convertor(12) converting the signal amplified in the amplifier(11) into a digital signal; a CPU discriminating the requirements uniformity of the tire to be measured by extracting harmonic component from the digital signal from the A/D convertor(12); and a display(16) for displaying the results.
Patent KR-20000013991-A (KR)
Title: Apparatus and method for automatically selecting a channel of an analog/digital tv
Inventor: CHOE HYUN-JONG
IPC: H04N5/50
Filed: 1998-08-10
Abstract: PURPOSE: A method is provided to enable an automatic channel selection rapidly and easily. CONSTITUTION: In the analog/digital TV having a micom, an analog tuner and a digital tuner, first of all, when a user selects an automatic channel select mode (S31), select data for all broadcasting channels are sequentially outputted from the micom to the analog and digital tuners. After receiving a signal corresponding to an outputted select data from the micom to the analog and digital tuners, whether an analog broadcasting signal exists at a present channel (S36) or whether a digital broadcasting signal exists at the present channel (S33) is checked through a set of signal processes. And, a corresponding program information is stored after recording an analog broadcasting signal or a digital broadcasting signal to corresponding channels according to the check result (S34, S37, S35).
Patent KR-20000018537-A (KR)
Title: Parallel data processing structure of a control unit
Inventor: PARK JU HYUN
IPC: G06F13/00
Filed: 1998-09-02
Abstract: PURPOSE: A parallel data processing structure of a control unit is provided to ensure capacity and expansion of a control unit by adding an auxiliary memory between each input/output master part and memory part, thereby making the periphery/terminal equipment utilize the resource by direct memory access method. CONSTITUTION: A parallel data processing structure of a control unit comprises: plural of bus isolator portions(13) opening and shutting a data transmission between plural of input/output master portions(11) and main memory portions(12); plural of auxiliary memory portions(14) formed between the bus isolator portions(13) and the input/output master portions(11) and storing data generated in the input/output memory portion; a bus arbiter(15) controlling the bus isolator portions(13) and the input/output master portions(11); and a central processing unit(16) controlling the main memory portions(12), plural of bus isolator portions(13), plural of auxiliary memory portions(14) and each input/output master portion(11).
Patent KR-20000019841-A (KR)
Title: Device for exchanging work equipment of excavator
Inventor: HAN CHUL HO
IPC: E02F3/36
Filed: 1998-09-15
Abstract: PURPOSE: A device for exchanging a work equipment is provided to prevent an overturn of an excavator or a work equipment from colliding with a main body of the excavator while working. CONSTITUTION: An exchanger for a work equipment is composed of a front connection pin, a hydraulic pressure cylinder, and a rear connection pin. Also, an installation of the exchanger contains the steps of: forming each pin insertion groove(14) of a work equipment into a hook shape, fixing the work equipment(12) and a front arm(15) at the front connection pin(3) of a link(1) at the same time, and densely establishing the rear connection pin(5) at a main body of the work equipment(12). Therefore, this invention is for not changing a distance between the front arm(15) and the work equipment(12) by attaching the work equipment at the same position as the position where the work equipment is attached in an intrinsic excavator by easily equipping and taking off the work equipment(12) using the link(1). Thus, the establishment of the link enables to prevent a deterioration of an excavating force of the excavator as preventing an overturn of the excavator by the change while working.
Patent KR-19990029905-A (KR)
Title: 가스누출 자동검사방법과 장치 및 가스누출 자동검사를 위한 기록매체
IPC: F17D5/04
Filed: 1998-09-17
Abstract: 본원 발명은 검출된 절대압력 및 압력변동에 기초하여, 가스용기의 밸브 등으로부터 가스누출을 자동으로 검사하는 방법 및 장치 등에 관한 것이다. 이 방법은 다량의 누출 및 미량의 누출 모두를 검사할 수 있다. 
     본원 발명의 가스누출 검사방법은, 가스 배관 내에 설치된 검사대상으로부터 가스의 누출을 자동적으로 검출하는 검사방법에 있어서, 상기 검사대상에 연통하는 밀폐공간을 형성하는 단계와; 상기 밀폐공간 내를 소정 압력으로 가압하는 단계와; 상기 밀폐공간내의 절대 압력과 압력 변동을 측정하는 단계와; 상기 절대 압력과 압력변동과의 측정치에 기초하여 상기 검사대상으로부터 가스의 누출이 있는 지의 여부를 판정하는 단계를 포함하는 것을 특징으로 한다.
Patent KR-19980087861-A (KR)
Title: 축광특성을 갖는 합성섬유사 및 이의 제조 방법
IPC: D01F1/02
Filed: 1998-09-25
Abstract: 본 발명은 축광특성을 갖는 합성섬유사 및 이의 제조 방법에 관한 것으로, 산화스트론튬 55 ∼ 62.5중량%, 산화알루미늄 35 ∼ 42.5중량%, 산화디스프로슘 1 ∼ 9중량% 및 산화유로퓸 0.5 ∼ 1.5중량%로 구성되는 축광성 발광체 15 ∼ 25중량%와 섬유형성능을 갖는 합성수지 칩(chip) 75 ∼ 85중량%를 혼합하고 용융하여 칩상으로 제조한 축광성 발광체 함유 합성수지칩 30 ∼ 70중량%와 축광성 발광체 함유 합성수지칩 제조시 사용된 합성수지 30 ∼ 70중량%를 혼합하고 용융압출기를 이용하여 190 ∼ 230℃의 온도로 용융방사하여 10 ∼ 100데니아(denia)의 모노필라멘트를 얻고 이를 용도에 따라 합사하여 합성섬유사를 제조하므로서 발광시간이 길고, 발광시 휘도가 높으며, 여기하는 빛의 파장범위가 넓고, 내광성 및 내후성이 뛰어나며 야외사용이 가능할 뿐만 아니라 화학적 안정성이 높고 환경오염을 유발하지 않으며 인체에도 무해하여 자수사, 일반사 등과 같은 각종 섬유 및 직물 뿐만 아니라 합성섬유사 제품에 적용 가능한 축광특성을 갖는 합성섬유사를 얻을 수 있었다.
Patent KR-20000021528-A (KR)
Title: High definition digital vcr
Inventor: JEONG MYUNG HWAN
IPC: G11B5/02
Filed: 1998-09-30
Abstract: PURPOSE: A high definition digital VCR is provided to decrease a manufacturing cost by reproducing high definition data using a 2-head method and processing a high definition picture signal using a simple composition. CONSTITUTION: A first head and a second head(204) reproduce data recorded by a baseband method as analog RF signals to amplify. Analog-digital converters(210,220) converts amplified analog RF signals into digital data. First and second adaptive equalizers(210,212) equalizes digital data converted in the analog-digital converters(210,220). Determining units(214,216) determine output signals of first and second adaptive equalizers(210,212) as 3 levels. Error value computing units(218,220) obtain error values according to 3 level values determined by determining units(214,216) and output values of first and second adaptive equalizers(210,212). First and second viterbi detectors(222,224) decode 3-value waves(1,0,-1) as binary data (1,0) according to a viterbi algorithm. A combining unit(226) combines data decoded in the first viterbi detector(222) and data decoded in the second viterbi detector(224) to provide a reproduced high definition data to a decoding unit.
Patent KR-20000027091-A (KR)
Title: Device for cooling and protecting motor of pump for deep underground water well
Inventor: CHO HEUY NAM
IPC: E03B9/10
Filed: 1998-10-27
Abstract: PURPOSE: A protector is provided to previously prevent a loss of a motor coil as enabling to effectively cool the motor coil in a deep underground water well. CONSTITUTION: An outer casing(20) for cooling a motor(7) of pump for an underground water well is formed by lengthening a cylinder from a lower end of a pump(6) to a lower end of the motor(7). Herein, when a bolt(25) is combined to a nut(26) welded at an inside of an upper side of the outer casing(20), an outer circumference of the outer casing(20) is pressed inward so a head of the bolt(25) as not to be protruded at the outer circumference(20) of the outer casing(20) to engrave, and at the opposite side of the engraved part, the nut(26) is fixed by welding.
Patent KR-19990037435-A (KR)
Title: 급수관 내부 세정장치 및 그 운전방법 및 급수관 내부 세정방법
Filed: 1998-10-28
Abstract: 본 발명은, 각 지관도 포함하여 효과적인 세정을 행할 수 있도록 한 급수관 내부 세정장치 및 그 운전방법을 제공한다. 
     본 발명에 있어서는, 복수의 지관(5a 내지 5n)을 가지는 입주관(4)에 압축공기 송입장치(10)를 접속하고, 이 압축공기 송입장치(10)는, 압축공기를 입주관(4)에 단속적으로 송입하는 수단과 입주관(4) 내의 물을 뽑아 내어, 높은 곳에 위치한 수조(2)의 수압에 의하여 입주관(4)에 물을 채우는 드레인(13)을 설치하였다.
Patent KR-20000031695-A (KR)
Title: Method for selecting menu of display device
Inventor: KIM JAE RYONG
IPC: H04N21/475
Filed: 1998-11-09
Abstract: PURPOSE: A method for selecting a menu of a display device is provided to select menus or sub-menus by numbering and labelling each menu or each sub-menu. CONSTITUTION: A method for selecting a menu of a display device comprises the step of selecting a multitude of menu and sub-menu displayed on a display device by using a volume key or a channel key of a remote controller. The method comprises the step of selecting each menu and each sub-menu with a key pad of the remote controller by labelling each of the menus and the sub-menus. In the method, the labelling uses numbers.
Patent KR-19990066813-A (KR)
Title: 상호 연결부를 교차하는 스터드의 높이를 제어하는 방법.
IPC: H01L21/768
Filed: 1998-11-11
Abstract: 본 발명은 스터드를 사용하여 전기적 상호 연결을 형성하는 방법에 관한 것으로, 유전층 내의 접촉 구멍 내에 전도성 스터드 재료를 증착하고(depositing), 전도성 스터드 재료를 패터닝하고, 스터드 재료를 둘러싸고 있는 유전층의 얕은 부분을 제거하고, 전도성 스터드와 제1 유전층 위에 얇은 유전 재료층을 증착하고, 유전층 내부와 스터드 재료의 상부 위에 트렌치를 형성하며, 트렌치 내에 전도성 재료를 증착함으로써 수행된다.
Patent KR-20000033124-A (KR)
Title: Noncontact surface roughness measurement device, and method therefor
Inventor: LIM HAN SEOK
IPC: G01B15/08
Filed: 1998-11-19
Abstract: PURPOSE: A noncontact surface roughness measurement device and a method therefor are provided by using a property that a laser beam is scattered in a vertical direction to a scratch of a measurement surface. CONSTITUTION: A noncontact surface roughness measurement device irradiates a laser beam (B) to a predetermined region, not a specific point of a ground surface, displays scattered light distribution on a screen(30), reads it with a CCD sensor(40), and converts it into a digital signal, thereby obtaining surface roughness. Here, the property of the laser beam(B) that it is scattered in a vertical direction to the scratch is utilized, and a standard deviation of the scattered light distribution is used as a parameter, thereby calculating the surface roughness of a measurement surface(F). As a result, the surface roughness can be easily precisely obtained, and the whole device can be minimized in size.
Patent KR-20000034590-A (KR)
Title: Method for controlling display of record state in tvcr
Inventor: PARK JOO DEOK
IPC: G11B20/00
Filed: 1998-11-30
Abstract: PURPOSE: A method for controlling display of record state in TVCR is provided so that a user can recognize a record state rapidly and deal with it by enabling a user to confirm intensity of broadcasting signals recorded and intensity of signals applied to a video head on a monitor directly in a process in which one broadcasting signal is viewed by one tuner and other broadcasting signal is recorded by the other tuner in a TVCR which has twp tuners. CONSTITUTION: In a TVCR which has a first tuner, a second tuner and a deck, a method for controlling display of record state in TVCR includes three steps. A first step is to determine whether the TVCR is on a record mode in which broadcasting signal received to the second tuner is recorded by controlling the deck during a television mode in which broadcasting signal received to the first tuner is managed.(300,302) A second step is to detect a first intensity, that is, an intensity of broadcasting signal received to the second tuner and to detect a second intensity, that is, an intensity of signal permitted to a video head of the deck if the first tuner is on the television mode and the second tuner is on the record mode.(304,306) A third step is to display the detected first and second intensities on a screen by OSD characters or graphics.(308)
Patent KR-20000037636-A (KR)
Title: Supply device of tray for retest of module ic handler
Inventor: LEE SANG SU
IPC: G01R31/28
Filed: 1998-12-01
Abstract: PURPOSE: A supply device of tray for retest of module IC handler is provided to automatically restart the retest operation when the test of the module IC positioned on an elevator in unloading site is completed. CONSTITUTION: A supply device of tray for retest of module IC handler comprises belts(23), an elevator plate(24), first and second stoppers(25,26), cylinders(27,28) for driving the stoppers and third and forth stoppers(29,30). The belts(23) are wound on pulleys on a mount plate right under loading and unloading positions to be fed along a constant track. The elevator plate(24) is disposed between the belts and seats the tray on the belt or exposes the tray against the retest position. The stoppers(25,26) are disposed both sides of the elevator plate to control the feed of the tray. The stoppers(29,30) are fixed to the mount plate to prevent from dropping the tray.
Patent KR-20000038078-A (KR)
Title: Apparatus and method for acquiring gradual language automated using extended variance rule for a large amount language batch
Inventor: JEONG HAN MIN
IPC: G06F17/00
Filed: 1998-12-03
Abstract: PURPOSE: An apparatus and method for acquiring gradual language automated using extended variance rule for a large amount language batch are provided so that a whole field of a natural language process can be used and a language having low frequency can obtain gradually. CONSTITUTION: An apparatus for acquiring gradual language automated using extended variance rule for a large amount language batch includes an extractor for extracting an example of using. A repeat context extractor extracts among inputted languages. When extracting language by the extractors, a non-use filter detects whether the languages includes non-use language from a non-use dictionary.
Patent KR-20000038111-A (KR)
Title: Method for arranging active object in object base distribution process system
Inventor: HAN U YONG
IPC: G06F15/16
Filed: 1998-12-03
Abstract: PURPOSE: A method for arranging an active object in an object base distribution process system, provided to collect information on a use rate of sources such as a CPU, memory, and etc in distributed systems for preventing overloading of services of a specific system, caused while performing. The method for provided to compare the collected information with a critical value to a source use rate which an operator determines, and to move objects in which a system which is beyond the critical value, to a system which uses the sources minimally. CONSTITUTION: A method for arranging an active object in an object base distribution process system, contains steps. The first step is to collect information on a use rate of sources such as a CPU, memory, and etc, through a monitor agent object. The second step is to determine a critical value to source use rates of which system is connected to a network, with operating the distribution object system. The third step is to compare the determined critical value with the collected information, to seek a system used the sources minimally, and to move the objects to the system. The fourth step is to register objects for client applications to call and then to use the moved objects, while operating the distribution object system.
Patent KR-20000039139-A (KR)
Title: Method of tempering cryogenic carbon steel by inputting recarburizing agent in vacuum degasifying
Inventor: KIM JONG SEONG
IPC: C21C7/00
Filed: 1998-12-11
Abstract: PURPOSE: A tempering method is provided to improve purity of molten metal and to reduce producing cost by minimizing oxygen after decarburizing work without interrupting decarburizing work in vacuum degasifying process. CONSTITUTION: In a tempering method decarburizing and deoxidizing by flowing back the molten metal received in a ladle to a vacuum tub of a vacuum decarburizing line, a recarburizing agent from 0.09kg to 0.28kg per 1 ton of molten metal is input to the vacuum tub when the residual amount of oxygen before decarburizing is 400ppm and higher. The recarburizing agent is input dividedly from 0.03kg to 0.47kg per 1 ton in one time in decarburizing process within 2 and 5 minutes after starting flowing back.
Patent KR-20000039229-A (KR)
Title: Fluorescent body of color cathode ray tube and method for forming fluorescent layer by using the same
Inventor: LEE GEUN PHIL
IPC: H01J9/22
Filed: 1998-12-11
Abstract: PURPOSE: A fluorescent body of a color cathode ray tube and a method for forming a fluorescent layer by using the fluorescent body are provided to improve the bright uniformity and the white uniformity by making the thickness of a fluorescent layer uniform. CONSTITUTION: A photosensitive material is coated on a glass panel. A fluorescent body is coated on the structure in a power state before the photosensitive material is dried. A light is selectively irradiated on the structure, and then hardened. The rest part of the structure is washed by water. According to the method for forming a fluorescent layer by using a fluorescent body, the bright uniformity and the white uniformity is improved by making the thickness of a fluorescent layer uniform.
Patent KR-20000044264-A (KR)
Title: Method for automatically setting up time of portable telephone terminal
Inventor: BAE JONG CHEOL
IPC: H04B1/38
Filed: 1998-12-30
Abstract: PURPOSE: A method for automatically setting up time of a portable telephone terminal is provided to set up adaptive present time data, by automatically setting up the portable telephone terminal to a present time of a corresponding network, without operating another key and calculating a time difference when the portable telephone terminal moves to the new network. CONSTITUTION: A method for automatically setting up time of a portable telephone terminal comprises the steps of: sending whether a network is a new network; transmitting a message for requesting a location region updating process to the network; receiving a success message for completing the location region updating process from a base station; receiving time data from the base station; suspending a timer for setting up the time data until now; setting up present time data to the received time data; and redriving the timer.
Patent KR-20000044871-A (KR)
Title: Method for fabricating transistor
Inventor: PARK SEUNG HEE
IPC: H01L29/68
Filed: 1998-12-30
Abstract: PURPOSE: A method for fabricating a transistor is provided to prevent an increase of a wire resistance by forming a field oxide film between a channel region and a device isolation region. CONSTITUTION: A method for fabricating a transistor comprises forming a first field oxide film(2) and a second field oxide film(2A) on a silicon substrate(1) and forming a gate electrode(3,4) on a channel region of the substrate(1) between the first and second field oxide films(2,2A). A part of the first field oxide film(2) and the second field oxide film(2A) are removed by using a photo-resist pattern(5) as a mask. A source/drain junction region is formed by implanting an ion at an exposed substrate(1), and an insulation film and a metal plug are formed according to the well known manner.
Patent KR-19990035913-A (KR)
Title: 면 수직 전류 스핀 밸브형 자기 저항 트랜스듀서
IPC: G11B5/39
Filed: 1997-05-20
Abstract: 트랜스듀서는 제1 단부에 접해 있는 핀형 강자성층(98)과 대향 배치된 제2 단부에 접해 있는 자유 회전 강자성층(94)을 포함하는 스핀  밸브("SV")를 포함한다.  제1 및 제2 전류 도체(92,104)는 면 수직 전류(current perpendicular-to-the-plane; CPP) 구성에서 스핀 밸브 구조체의 제1 및 제2 단부 각각에 접해 있다.  본 명세서에 기재된 특정 실시예에서, 차동 CPP 트랜스듀서(120)는 한쌍의 SV 구조체(SV 1 ,SV 2 )를 포함하며, 이 구조체들 중간에는 제1 및 제2 전류 도체(132,152)와 함께 공통 전류 도체(142)가 구비되어 있다.
Patent KR-19990071466-A (KR)
Title: 금속 전자 패키지용 접지 링
IPC: H01L23/50
Filed: 1996-11-18
Abstract: 전자 패키지(10)용 부품은 유전체(32)에의해 코팅되는 표면(16)을 가지는 금속제의 기판(12)을 가진다. 중앙으로 배치되는 캐비티(22)는 깊이 D 1     을 위해 금속제 기판내부로 유전체(32)를 통해 연장된다. 주위를 둘러싸이며 이를 접하는 상기 캐비티(22)는 D 1     보다작은 깊이 D 2 를 가지는 환형 채널(30)이다.  상기 캐비티(22)의 베이스(24)에 접착되는 반도체 소자(12)는 유전체 코팅부(32)상에 형성되는 회로 트레이스(34) 및 환형 채널(30) 양방에 전기 상호접속 된다. 환형 채널(10)의 형성 방법은 금속제 기판(12)의 측벽(20)으로부터 소정 거리 외측벽(60) 및 환형 채널(30)의 소정 폭이상의 폭을 가지는 선구체 환형채널(58)로 기계적으로 밀링된다. 캐비티(22)는 그다음 선봉 환형 채널(58)의 측벽(60)에의해 둘러싸이는 영역에 형성된다.
Patent KR-20000064792-A (KR)
IPC: G11B7/007
Filed: 1998-01-22
Abstract: The system includes an information carrier with a medium mark representing a first bit-pattern. A recorder records the information on the information carrier and a player reproduces the recorded information from the information carrier. The recorded information includes a watermark representing a second bit-pattern, which second bit-pattern has a predefined relationship to the first bit-pattern. The recorder includes an encoder device (23) for embedding the watermark in the information and a generator device (25) for generating the second bit-pattern according to the predefined relationship between the first and the second bit-pattern. The player includes a verification device (29) for verifying the relationship between the second bit-pattern and the first bit-pattern.