baber/WOPTO huggingface dataset:
Patent KR-20000013865-A (KR)
Title: Recording method and device of optical information
Inventor: SONG TAE SEON
IPC: G11B7/125
Filed: 1998-08-14
Abstract: PURPOSE: An optical information recording method is provided to form recording marks having an identical length in a mountain track and a groove track of an optical recording media. CONSTITUTION: The method comprises the steps of determining whether an accessing track is the mounting track or the groove track, and setting different recording optical output shapes in response to the determining result of the mountain/groove track to performing a recording operation. An output of recording light in the mountain track is smaller than that of recording light in the groove track.
Patent KR-20000014469-A (KR)
Title: Performance inspecting method of a gas cabinet connected to a chamber for manufacturing semiconductor
Inventor: HAHN JOO-TAK
IPC: H01L21/00
Filed: 1998-08-21
Abstract: PURPOSE: A performance inspecting method of a gas cabinet connected to a chamber for manufacturing semiconductor is provided to discharge all hazardous gas within the first, second and third piping lines into a neutralizing equipment by the negative pressure. CONSTITUTION: The performance inspecting method of a gas cabinet connected to a chamber for manufacturing semiconductor comprises: a step(S100) deciding whether the semiconductor material gas contained in the first container(36) or the second container(40) is stored greatly than prescribed value; a step(S200) generating negative pressure in a vacuum generator(52) by discharging the gas supplied from the first nitrogen gas supplier(44) to a neutralizing equipment via a vacuum generating line; a step(S300) deciding whether the first piping line is abnormal and the pressure of the first nitrogen gas supplier is suitable; a step(S400) deciding whether the second piping line is abnormal; a step(S500) deciding whether the second piping line and a pussy supplying line are abnormal and the pressure of the second nitrogen gas supplier is suitable; a step(S600) deciding whether the forth piping line is abnormal; and a step(S700) deciding whether the forth piping line and a pussy supplying line are abnormal and the pressure of the second nitrogen gas supplier is suitable.
Patent KR-20000020222-A (KR)
Title: Size variable cap
Inventor: HAN CHA RANG
IPC: A42B1/22
Filed: 1998-09-18
Abstract: PURPOSE: A cap variable in size has good endurance with a minimized loss of elasticity and expansion and contraction after long-term use and washing and provides a feeling of comfort in wear with a reduced sense of oppression for the head. CONSTITUTION: The cap comprises: a cap body(10) in the form of a semisphere having a plurality of outer clothes made of an inelastic textile of the same profile and an internal hollow; a visor part(20) of a defined profile having the rear end connected to the outer base twist part at the one end of the cap body(10) and extended forwardly in a predetermined length for shielding the sunlight; and a sweat band(30) composed of an inelastic textile for up-and-down expansion and contraction in the width (vertical) direction and made of needle-knitted polyester yarn.
Patent KR-20000021485-A (KR)
Title: Low power consumption counter
Inventor: KIM YANG HO
IPC: G06F7/60
Filed: 1998-09-29
Abstract: PURPOSE: A counter having a clock gating circuit is provided to prevent unnecessary power consumption. CONSTITUTION: A binary counter comprises: a first adder for adding 1 in low m-bits of an-bit input signal, and outputting a carry signal when the low m-bits are 1; a second adder for adding the carry signal in high(n-m)-bits of the n-bit input signal; a first register for being synchronized in a clock signal, and storing the output of the first adder; a second register for being synchronized in the clock signal and storing the output of the second adder; a clock gating section for receiving the clock signal supplied to the first adder, and supplying the clock signal to the second register, when the first adder generates the carry signal. The n-bit input signal is composed of the output of the first register and the output of the second register.
Patent KR-20000026506-A (KR)
Title: Production of lightweight aggregate using waste thermosetting resin
Inventor: LEE CHANG HEE
IPC: C04B18/20
Filed: 1998-10-21
Abstract: PURPOSE: A production of lightweight aggregate, enabling the effective utilization of thermosetting resin generated from waste goods, can be used for construction material having high adhesive force to cement and concrete. CONSTITUTION: A process comprises of; collecting thermosetting resin from waste electronics, semiconductor substrates and tableware; taking off impurities such as a wood, a vinyl and a metal; grinding to the resin of the particle size of less than 10mm formed fine irregularities on the surface to have a good adhesion to concrete; coating the grinded resin containing particles of more than 100mesh with acrylic resin by a precipitation or a spray method, in which the proper thickness of the particles is 30-40 micron; drying at room temperature for 24hrs. or at 60-70°C for 12hrs.
Patent KR-20010008404-A (KR)
Title: Circuit for detecting data transition for protecting electron injection
Inventor: KIM NAM SEONG
IPC: G11C11/34
Filed: 1998-10-29
Abstract: PURPOSE: A circuit for detecting a data transition is provided to prevent an electron injection within an N-MOS(Metal Oxide Semiconductor) transistor so that surrounding cells stably preserve data. CONSTITUTION: A circuit for detecting a data transition includes a delay part(100), a data transition detector(110), a driving transistor(132), a comparator(134), the third and fourth transistors(N5,N6), a low voltage generator(136) and a transmitting transistor(138). The delay part(100) includes a pair of inverters(In1,In2) which are serially connected together so that an input signal(In) is delayed a predetermined time. The data transition detector(110) includes a P-MOS transistor(P) and the first through fourth N-MOS transistors(N1,N2,N3,N4). The driving transistor(132) supplies a source voltage according to an output signal from the delay part(100). The comparator(134) includes the first and the second transistors(P1,P2). The low voltage generator(136) includes an inverter(In3) which inverts an output signal from a node where the first and the fourth transistors(P1,N6) are connected together. The transmitting transistor(138) transmits an output signal from the low voltage generator(136) to sources of the first and third N-MOS transistors(N1,N3) according to an output signal from the first inverter(In1).
Patent KR-20000028415-A (KR)
Title: Method for authenticating terminal in mobile communication network
Inventor: PARK HYUNG SUN
IPC: H04L9/32
Filed: 1998-10-31
Abstract: PURPOSE: A method for authenticating a terminal in a mobile communication network is provided to cope with the loss of a COUNT(call history count) generated by the error of a HLR(home location register) in the sharing state between a VLR(visitor location register) and an SSD(shared secret data). CONSTITUTION: The loss of a call history count generated in error of a HLR(home location register)(22) is resolved in case that a terminal tries authentication by a terminal authentication method in a mobile communication network. A method for authenticating a terminal in a mobile communication network includes the steps of: generating and transmitting a response as to a unreliable subscriber information command of the HLR and at the same time performing a unreliable display by finding all terminals having the corresponding home location register as a home; checking whether an authentication response received from the corresponding terminal as to an authentication request operation required from the terminal of the unreliable display is identical to an authentication response generated in an authentication center(21); and setting with a call history count received from the terminal and transmitting by the corresponding call history count and an SSD(shared secret data ) in an authentication request return result in case that a VLR(visitor location register)(23) supports the sharing of the shared secret data.
Patent KR-20000028477-A (KR)
Title: Method for controlling cold air in refrigerator
Inventor: LEE DAE SEONG
IPC: F25D17/08
Filed: 1998-10-31
Abstract: PURPOSE: A method is provided to feed cold air to a refrigerating chamber differently during the shortest time as well as to feed the cold air to refrigerating and freezing chambers independently with a single cooler and a fan. CONSTITUTION: Cold air in a refrigerator is controlled by the steps of: detecting the temperature of freezing and refrigerating chambers from detecting units for both chambers respectively; deciding if the detected temperature of both chambers is higher than the set temperature; deciding the optimum position from a microcomputer by selecting a fast cooling mode through a key input unit if the detected temperature is higher than the set temperature; driving a compressor, a fan and a motor by feeding a control signal to driving units for them; and turning off the compressor and the motor if the temperature of both chambers is lower than the drive-off point of the compressor. Therefore, the method has the effect to reduce power consumption as well as to shorten the cooling time.
Patent KR-20000032932-A (KR)
Title: Method of driving plasma display panel using high frequency
Inventor: CHOI JONG PIL
IPC: G09G3/00
Filed: 1998-11-18
Abstract: PURPOSE: A method of driving plasma display panel using high frequency is provided to enhance the efficiency of discharge and the brightness using a high frequency discharge and to reduce power consumption. CONSTITUTION: A method of driving plasma display panel using high frequency is characterized that a high frequency discharge of electricity generates by a high frequency voltage provided from a high frequency electrode(50), after generating an address discharge between an address electrode(44) and a scan electrode(46) by scan line. Accordingly, the power consumption is reduced since a barrier charge for the high frequency discharge could not maintain any more, so that a sustain discharge start as soon as the address discharge generates in each scan line.
Patent KR-20000034629-A (KR)
Title: Method for issuing information article by using electronic cash register
Inventor: LYU JAE HYOK
IPC: G07G1/12
Filed: 1998-11-30
Abstract: PURPOSE: A method for issuing information article by using electronic cash register is provided to maximize functions of advertisement and publicity with low cost by loading information article picture formulas of several types, of which partial contents can be changed, in ROM and by enabling a user to select type and to change necessary contents and to issue an information articles fitting the user by using a printer. CONSTITUTION: Information article formulas, of which partial contents can be changed and stored and of which the number is more than one, are loaded in a system memory. If requested, the information article, which has been selected, changed and stored, is printed by using printer. The information article formula can include pictures. It will be convenient for a user if the user can print and inquire about all the information article formulas.
Patent KR-19990062666-A (KR)
Title: 구 배치를 영상화하는 방법, 이를 측정하는 방법 및 장치, 및평면 렌즈를 제조하는 방법 및 장치
IPC: G02B3/00
Filed: 1998-12-01
Abstract: 비드(bead)의 외부보다 밝은 휘도의 피크점은 비드의 내부에서 관측되고 비드의 주변부는 비드의 외부보다 어둡게 되도록, 반사 조명 또는 투광 조명에 의해 조명을 수행하는 동안 비드 배치가 영상화된다(imaged). 비드의 내부에서 휘도의 피크점은 영상 데이터로부터 검출되고, 인접한 화소들(pixels)은 출발점으로서 휘도의 피크점과 함께 연속적으로 그려지며(painted), 여기서 인접한 화소들은 t2 이상의 휘도 레벨을 갖는다. 다음에, 그 영상 데이터는 2진화된다(binarized). 얻어진 2진 영상의 백색 또는 흑색 화소들의 수로부터 비드의 공간 충전율(space filling percentage)이 계산된다. 별법으로는, 패턴 매칭(matching) 방법에 의해 영상 데이터로부터 비드의 주변부에 어두운 부분에 대응하는 원 또는 원호 패턴을 검출하고 그 원 또는 원호의 내부를 그린 후에 2진화가 수행될 수도 있다. 이러한 방법으로서, 미세한 유리 비드를 사용하여 반투명 화면 안에서의 비드 충전의 상태가 측정된다.
Patent KR-19990066850-A (KR)
Title: 서브 미크론 금속 게이트 mos 트랜지스터 및 그의 형성 방법
IPC: H01L21/8238
Filed: 1998-12-18
Abstract: M0S 트랜지스터는 도프된 단결정 실리콘 기판상에 형성되어 제 1형의 도전층을 형성하며 : 기판상에 형성된 활성영역; 제 2형의 도전채널을 형성하도록 도프된, 상기 활성영역에 위치하는 소스영역 및 드레인영역; 상기 소스영역 및 드레인영역 사이의 상기 활성영역에 위치하는 금속게이트영역으로서, 상기 금속게이트가 1미크론 미만의 폭을 갖는 금속게이트영역; 상기 게이트영역 위에 위치하는 게이트산화물영역; 구조체 위에 위치하는 산화물영역; 및 각각 해당하는 영역들에 접속되며, 콘택트금속과 전극금속의 조합으로 형성되는 소스전극, 게이트전극, 및 드레인전극을 포함한다. 다른 실시예에서는 게이트전극들 사이의 상호접속, 및 한편의 트랜지스터의 드레인전극과 다른 한편의 트랜지스터의 드레인전극의 상호접속을 갖는 한쌍의 M0S 트랜지스터를 포함한다.
Patent KR-20000041968-A (KR)
Title: Refrigerator only for kimchi
Inventor: PARK CHAN HYEON
IPC: F25D11/00
Filed: 1998-12-24
Abstract: PURPOSE: A refrigerator only for kimchi is provided to mature and store kimchi in two chambers of a refrigerator for kimchi. CONSTITUTION: To use first and second chambers(10,30) at the same time to store kimchi, it needs to feed cold air to the chambers at the same time. The cold air is generated from an evaporator(12) by driving a compressor(34) as a baffle(16a) of a damper(16) is kept about 45°C. After that, the cold air is supplied to the first and second chambers by a ventilating fan(13), Therefore, the two chambers keeps low temperature proper for storing kimchi at the same time.
Patent KR-20000043859-A (KR)
Title: Method of alloting route information for internet router using memory address of router
Inventor: YUN JIN HYEON
IPC: H04L12/28
Filed: 1998-12-29
Abstract: PURPOSE: A method of allotting route information for the internet router is provided to replace the Internet address by using a memory address, instead of extracting and saving directly the Internet address at the Internet router, which works for the internet as a core function. The method handles the whole Internet address, as common method, uses memory efficiently, and uses specific address. CONSTITUTION: A method of allotting route information comprises the steps of: specifying a routing chart block of a specific memory of a router; allotting an address to the routing chart block; and calculating the Internet address and the address, and appointing a memory address in the routing chart. Replacement of the internet address, based on the method, improves speed of searching, extracting, and saving of the internet, in the end, uplifts the efficiency of routing.
Patent KR-19990028773-A (KR)
Title: 왕복운동형 압축기
IPC: F04B27/08
Filed: 1996-05-08
Abstract: 압축기는 실린더 보어(41,42)를 갖는 실린더 블럭(30,31)을 구비하고 있다.  구동축(39)은 실린더 블럭(30,31)에 회전가능하게 지지되어 있다.  사판(40)은 구동축(39)에 일체로 회전가능하게 장착되어 있다.  피스톤(1)은 실린더 보어(41,42) 내에 슬라이드가능하게 수용되어 있다.  슈(44)는 피스톤(1)과 사판(40) 사이에 슬라이드가능하게 배치되어 있다.  사판(40)의 회전에 따라 슈(44)를 통해서 피스톤(1)이 왕복 운동한다.  피스톤(1)은 알루미늄 또는 알루미늄 합금을 모재로 형성되어 있다.  피스톤(1)은 슈(44)를 슬라이드가능하게 유지하는 유지 오목부(2)를 구비하고 있다.  유지 오목부(2)에는 주석을 주체로 구성된 피복층(6)이 설치되어 있다.
Patent KR-19990036437-A (KR)
Title: 표면 세척 또는 건조용 액체 픽업 기구
IPC: A47L7/00
Filed: 1996-08-13
Abstract: 흡입 수단에 의해 액체를 픽업하기 위한 기구가 공기/물 분리기(30)를 구비한 수집 용기(10)를 포함하며, 상기 공기/물 분리기(30)는 용기의 2개의 인접벽(13, 14) 사이의 모서리에 배열되며 상기 측벽 모두에 대해서 경사지게 연장된 상태이다.  분리기(30)는 수집 용기(10)로 직접 들어가는 외향 확장된 출구 단부(33)에서 끝나는 입구 튜브(31)를 포함한다.  입구 튜브(31) 및 단부(33)는 용기(10)의 출구 구멍(33)에 연결된 공기 출구 챔버(20)를 통해서 용기(10)로 연장된다.  필터 요소(40)가 출구 챔버(20)의 마우쓰(24)와 입구 튜브(31)의 출구 단부(33) 둘레에 제공된다.  분리기(30)의 경사 배열은 기구가 수평 방향 및 수직 방향으로 사용될 수 있도록 하며, 공기/물 분리기의 형상은 공기류가 배플 상에 충돌하지 않고도 혼입된 물 액적이 단부(33)의 림(35) 둘레에서 유동하는 공기류로부터 효율적으로 분리되는 것을 보장한다.
Patent KR-19990063964-A (KR)
Title: 빈 구멍을 갖는 배향 필름
IPC: B29D7/01
Filed: 1997-08-04
Abstract: 입사 각도에 의해 빛의 산란성이 변화하는 특성을 갖는 배향 필름이며, 예를 들면 액정 표시 장치에서의 화질 향상, 특히 시야각을 넓힐 수 있는 시야각 개선 필름으로 유용하다.     이 배향 필름은 열가소성 고분자로 이루어지고, 또 상기 산란 특성에 기여하는 미세한 다수의 빈 구멍을 필름 내부에 함유하고 있다.     그리고 열가소성 고분자로 이루어지는 필름을 상기 필름의 표면에 연신 방향에 대해 수직 방향으로 홈이 생기는 온도, 연신 배율의 조건 하로 일축 연신함으로써 제조할 수 있다.
Patent KR-19990067007-A (KR)
Title: 리니어모터 구동운반장치
IPC: B65H20/16
Filed: 1997-08-14
Abstract: 리니어모터구동에 의한 운반장치 특히 리니어모터구동 동기식 신장기에 있어서, 텐터후크캐리어-귀환거리(10)는 적어도 3개구간 즉 제1변속구간(17), 다음의 운반구간(19)과 다음의 제동구간(21)으로 구분된다. 변속구간(17) 및 제동구간(21)의 거리는 모두 합쳐 귀환거리(10) 전체길이의 40% 이하이다.  변속구간(17) 및 /또는 제동구간(21)에서만이 귀환거리(10)의 잔여 거리에 비하여 보다 강력한 구동장치들이 설치되어 있어서 거기에 위치하는 후크캐리어들에 보다 강력한 변속을 하여 준다.
Patent KR-19990067221-A (KR)
Title: 도시 및 산업폐수 처리용 조성물
Filed: 1996-10-31
Abstract: 본 발명은 효모 발효물, 방부제 및 비이온계 계면활성제를 포함하는 도시 및 산업폐수처리용 조성물에 관한 것으로, 본 발명의 바람직한 실시예에서 조성물은 제형된 방부제로서 사카로마이세스 세레비시아에( Saccharomyces cerevisiae ) 배양균으로 부터의 발효 상청액, 소듐 벤조에이트, 이미다졸리디닐 유레아, 디아졸리디닐 유레아를 포함하고 추가로 비이온계 계면활성제를 포함한다.
Patent KR-19990077258-A (KR)
Title: 기저귀 고정수단
IPC: A61F13/56
Filed: 1997-01-16
Abstract: 2개의 요소들을 함게 분리가능하게 고정하는 고정수단은 탭부재와 기재부재들을 포함한다. 제 1 실시예에 있어서, Z형상의 탭부재는 기계적 및 접착력에 의해 결합된다. 제 2 실시예는 인접한 접착 및 점착 접촉부들을 포함한다. 제 3 실시예는 구멍과 기계적인 결합요소들로 구성된다. 제 4 실시예는 각각의 구멍이 복수의 기계적인 결합요소들을 수용하도록 하는 크기와 배열로 구성된 구멍들과 기계적 결합 요소들을 포함한다. 제 5 실시예는 고정 접착 결합의 색채 표시를 제공하도록 된 탭부재와 기재부재를 포함한다.
Patent KR-19990087761-A (KR)
Title: 위치결정 선회 기구
Filed: 1996-03-14
Abstract: 본 발명은 베이스 부재;  작동할 때 회전축 둘레에서 회전할 수 있는 회전 샤프트;  구동부 및 기어조합으로 이루어진 선회 기구에 관련된다.  이 선회 기구는, 구동부가 가압 유체에 의해 작동되는 하나 이상의 작동기(4, 5)로 이루어질 때 특히 신뢰성 있게 작동한다.  본 발명은 예를 들어 위성 안테나용의, 높은 토크와 보지력을 가지는 정비가 많이 필요하지 않는 구동부를 제공한다.
Patent KR-20000010560-A (KR)
Title: Method and device for giving sheet bending direction
Inventor: YAMAMOTO MASHAHIRO
IPC: B65H45/20
Filed: 1997-04-22
Abstract: PURPOSE: A device for giving a sheet bending direction is provided to give a bending direction even when the interval between many bending rules in the sheets, is different according to the sort of processed sheets. CONSTITUTION: The device has the processes of:supplying a sheet(a) forming many bending lines(a2) to a certain processing position; placing each bending processing tool(21-16, 31-36) along the bending rule on the face that becomes the inside of bending part when bending the sheet along each bending rule; changing the bending processing tools in the direction of bending the sheet along each bending rule; and reducing the interval between each bending processing tool to the regular ratio, according to the reduced amount in a length direction.
Patent KR-20000015777-A (KR)
Title: Image encoding method and device
Inventor: OGURA EIJI
IPC: H04N7/46
Filed: 1998-03-04
Abstract: PURPOSE: An image encoding method and device with reference to MPEG(moving picture image coding experts group) are disclosed. CONSTITUTION: First, a forward prediction movement vector (a1) and its residual are detected with a forward prediction movement detection circuit (13) by using forward prediction reference block data read out of a reference frame memory (11) and retrieval block data read out of a retrieval frame memory (12), and stored in the forward prediction movement vector (a1) and residual storing memory. Then a backward prediction movement vector (b) and its residual are detected with a backward prediction movement detection circuit (14) by using a backward prediction reference block data read out of the reference frame memory (11) and the retrieval block data read out of the retrieval frame memory (12), the movement vector and its residual which are stored in the forward prediction movement vector and remnant storing memory are read out, and encoding is performed by using both the forward and backward movement vectors.
Patent KR-20000034788-A (KR)
Title: Lock for balls for cleaning cooling systems
Inventor: WIDJAJA HARTONO
IPC: F28G1/12
Filed: 1997-06-19
Abstract: PURPOSE: A ball collector for a device for returning balls is provided to clean the tubes of cooling systems operated with a fluid, namely water. CONSTITUTION: A ball locker comprises a casing which is subdivided into an upper chamber with an inlet for the balls and a lower chamber with an outlet for the balls, in which between the upper and the lower chambers is involved an opening in which is closed by a movable flap in the closed position thereof and is opened in the open position thereof, the upper chamber having a strainer screen being connected to the lower chamber by a bypass line having a pump, through which water can be pumped from the upper chamber into the lower chamber. To simplify the necessary drives and the associated controls for the ball collector, the flap of the ball collector is so arranged and pivotably mounted that it can be moved from its open position to its closed position and vice versa by the water flow being caused by the pump in the bypass line, so that the flap assumes its closed position when the pump is switched on and its open position when the pump is switched off.
Patent KR-20000051332-A (KR)
Inventor: HAN SANG KWAN
IPC: E02B7/20
Filed: 1999-01-20
Abstract: PURPOSE: An automatic water gate is provided, which is opened fully by placing a hydraulic piston on the water gate and discharges inflow water to the lower end, thereby improving water quality by preventing blue and red tide phenomenon. CONSTITUTION: An automatic water gate comprises; a water gate (1), which endures water pressure from upstream and keeps an even water level and a hinge (3) between two fixed columns (5); a hydraulic piston (2) to open and close a water gate (1) artificially on the both sides of a water gate (1); a lifesaving cord and a multistage resistance board (7) on the lower end of a water gate (1); a hydraulic plate (4) and a pressure piston (6) connected to a hydraulic piston (2) on the lower part of a water gate (1), therefore a hydraulic plate (4) is pressed down at flood and a piston (6) is pressured. Then a pressured piston (6) raises a piston (2) of the lower part of a water gate (1); consequently a water gate (1) is open automatically.
Patent KR-20000055949-A (KR)
Inventor: KIM HYEONG GON
IPC: H04B7/24
Filed: 1999-02-11
Abstract: PURPOSE: A radio interface unit(RIU) of a wireless local loop(WLL) system is provided to supply combined services such as data communication services under a personal computer(PC) environment, by configuring the RIU as a card type to directly insert the RIU into a PC slot. CONSTITUTION: A radio interface unit(RIU) of a personal computer(PC) card-type wireless local loop(WLL) system, comprises a radio frequency(RF) unit(10), a low pass filter(LPF)(21), an analog to digital(A/D) converter(22), a digital to analog(D/A) converter(23), a code division multiple access(CDMA) modem(24), a timing/switching controller(25), a personal computer(PC) bus interface(27), a vocoder(28), combos(29-1,2), and serial line interface circuits(SLICs)(30-1,2). The RF unit connected to a base station converts an RF signal of the base station into an intermediate frequency(IF) signal, or converts analog IF signals of subscribers into RF signals. The LPF passes required band analog IF signals to input/output the analog IF signals. The A/D converter converts the analog IF signals of the LPF into digital data. The D/A converter converts the digital data into analog IF signals to output the signals to the LPF. The CDMA modem decodes and despreads the digital data to convert the data into baseband signals, or encodes and band-spreads the converted baseband digital data to output the data to the D/A converter. The PC bus interface interfaces with a PC bus, and outputs 64Kbps pulse code modulation(PCM) data related to the data communication services to the timing/switching controller through the data process/main controller. The vocoder demodulates 32Kbps digital data of the base station into 64Kbps digital data or modulates 64Kbps PCM data of the subscribers into 32Kbps digital data to output the data to the timing/switching controller. The combos convert the 64Kbps PCM digital data into analog signals, or convert analog signals into the 64Kbps PCM digital data to output the data to the vocoder. The SLICs perform impedance matching processes for the analog signals to output the signals to telephones, facsimile telegraphs or integrated service digital network(ISDN) telephones of the subscribers. The SLICs perform impedance matching processes for analog signals of the subscribers, and output the signals to the combos.
Patent KR-19990064443-A (KR)
Title: 수성접착제와 미세가공한 폐타이어 재생품을 이용한 피혁제조방법
Filed: 1999-02-08
Abstract: 기존의 피혁 제조 방법에서 油性接着濟(OLEAGINOUS BINDER)와 폴리우레탄 레진(POLYURETHANE RESIN)을 사용하여 소위 PU COATED SPLIT LEATHER 일명 ACTION LEATHER를 제조 하였으나, 
     동 발명은 油性接着濟 대신 水性接着濟(WATERBORN BINDER)를 사용함은 물론 폴리우레탄 레진(POLYURETHANE RESIN) 대신 폐타이어 재생품(RECYCLING)을 이용하여 물성이 뛰어나고 외관이 좋은 피혁을 제조하는 방법에 관한 것이다.