baber/WOPTO huggingface dataset:
Patent KR-20000055708-A (KR)
Inventor: PARK JIN GI
IPC: H02K9/04
Filed: 1999-02-09
Abstract: PURPOSE: A cooling fan for an AC generator is provided to reduce the resistance, the noise, and the vibration of the cooling wind and improve the cooling efficiency by improving the rotational direction of a fan. CONSTITUTION: A brush assembly(2), a stator assembly(3), a rotor assembly(4), a bearing(5), and a pulley(6) are installed in a housing(1). A cooling fan(7) is installed in the rotor assembly(4). A plurality of recess(9) is formed in a piece(8) towards the rotational direction of the fan(7). The distribution of the recess(9) is forty to sixty percent with respect to the area of the piece(8). According to the cooling fan for an AC generator, the resistance, the noise, and the vibration of the cooling wind is reduced and the cooling efficiency is improved by improving the rotational direction of a fan.
Patent KR-20000056676-A (KR)
Inventor: LEE PHIL GYU
IPC: G06K9/44
Filed: 1999-02-25
Abstract: PURPOSE: A parallel thinning method using weight value is provided to cut information content requested for automatic recognition of image pattern to minimum information content, by granting weight value related to the number of neighbor pixel to outer pixel and then deleting the pixel satisfied to specific condition from outer line at the same time. CONSTITUTION: A parallel thinning method using weight value comprises the steps of: first determining a weight value of respective black pixel to image pattern inputted from an image input device; second checking deleting condition corresponding to the weight value and deleting the corresponding pixel if the outer pixel is satisfied to the deleting condition; third determining the weight value of respective black pixel;fourth checking deletion condition corresponding to the weight value and deleting the corresponding pixel if the outer pixel is satisfied to the deleting condition; and fifth granting again the weight value until there is no outer pixel satisfied to the deleting condition fifth and repeating the third and fourth step.
Patent KR-20000059596-A (KR)
Inventor: PARK JIN BOK
IPC: C22C37/06
Filed: 1999-03-05
Abstract: PURPOSE: A transmission component of a concrete pump car is provided to extend a life span of a product and to enhance workability by integrally giving the abrasion resistance of high hardness. CONSTITUTION: A concrete pump car is made up of a wear ring, both side rings of a wear plate, an intermediate ring, a delivery cylinder, a wear sleeve. Fe is a main element for the component of the concrete pump car. In addition, the transmission component of the concrete pump car is produced in a centrifugal cast method by being made up of 0.35 to 6.5wt% of C, 0.5 to 14wt% of Mn, 1 to 35wt% of Cr, 1 to 50wt% of W and less than 8wt% of Co, Mo, Nb and V at a composition rate.
Patent KR-20000059909-A (KR)
Title: Automatic supplying equipment of grey yarn for fiber machine
Inventor: YOO JAE POONG
IPC: D04B15/48
Filed: 1999-03-09
Abstract: PURPOSE: Provided is an automatic supplying equipment of a grey yarn for a fiber machine which can rapidly supply a grey yarn. CONSTITUTION: The automatic supplying equipment of a grey yarn is comprised of the followed parts: an automatic store part(24) of a grey yarn which can optionally rotate and stop; yarn course elements(21A), (12), (29), (21B) and (21C); perceptive elements(33) and (18) which has arranged above and below of the store part(24); rotational control part(32A), (33), (33B) and (33C); rotational control motor part(25); and then supplying drum part which automatic-stores a grey yarn and supplies the grey yarn to a fiber machine.
Patent KR-19990078068-A (KR)
Title: 감속기 부착 유압모터장치
IPC: B60K17/10
Filed: 1999-03-19
Abstract: 오일게이지의 통부를 유압모터부의 하우징과 일체적으로 구성하고, 상기 모터부의 로터리 부분에 근접하여 배설함과 동시에, 모터부의 커버에 오일게이지를 지지하는 구성으로 함으로써, 모터부에 설치한 감속기부의 윤활유에 대해서의 보수 및 점검작업을 대폭으로 개선할 수 있는 감속기 부착 유압모터장치를 제공한다. 
     유압모터부에 감속기부를 결합하고, 유압모터부에 압유를 공급하여 이 유압모터부의 구동축에 맞물린 상기 감속기부의 감속기구를 구동시키도록 구성한 감속기 부착 유압모터장치에 있어서, 유압모터부(12)의 로터리 부분을 둘러싸는 하우징(16)의 측면에 통공(34)을 설치하고, 상기 통공의 일단은 감속기부(14)에 대하여 그 감속기구의 상면에 개구함과 동시에, 그 타단은 상기 유압모터부(12)의 커버(24)의 상면에 개구하고, 상기 통공에 상기 커버 측의 개구부를 개재시켜 상기 감속기부의 윤활유 레벨을 확인하기 위한 오일게이지(38)를 삽통배치하고, 이 오일게이지를 상기 개구부에 맞물림수단(36)을 개재시켜 설치한다.
Patent KR-19990064504-A (KR)
Title: 송진 소금 구강세척제조성물 및 그 제조방법
Filed: 1999-03-22
Abstract: 본 발명은 송진소금에 관한 것이다  구체적으로 설명하면 구강질환 치료 및 예방을 위한 치약대용으로 사용하는 송진소금구강세척제 및 그 제조방법에 관한 것이다. 
     송진소금세척제의 제조방법에 있어서, 송진 미세분말과 소금을 1:1～1:10 정도의 비율로 하여, 140 ～ 230℃로 20분간 가열하여 송진과 소금에 함유된 휘발성분은 휘발되면서 송진과 소금이 반응을 일으켜 표1과 같은 성분을 갖는 송진소금의 고체(덩어리)를 제조하고, 
     제조된 상기 송진소금을 냉각한 후 분쇄기로 미세하게 분쇄하고 포장함을 특징으로하는 송진소금구강세척제 제조방법 
     칼슘0.18～0.2중량%, 마그네슘0.56～1.03중량%, 나트륨26.3～30.2중량%, 칼륨0.19～0.38중량%, 인0.0002～0.007중량%, 철 0.0009～0.0021중량%, 염소41～49.5중량%, 불소 0.058～0.061중량%로 조성됨을 특징으로 하는 송진소금세척제조성물
Patent KR-19990073076-A (KR)
Title: 인터넷전자우편및채팅을이용한광고방법
IPC: G06Q30/00
Filed: 1999-03-30
Abstract: 본 발명은 각각 인터넷 전자우편(E-메일) 및 채팅(chatting)을 이용한 광고방법에 관한 것으로서, 더욱 구체적으로는 회원가입자 또는 희망자에게 인터넷 E-메일 서비스를 제공하면서 E-메일에 광고주에 의하여 제공되는 광고를 포함시켜 전송하는 경우에 소정의 광고료를 지급하여 광고를 유치 및 게시하는 인터넷 전자우편 및 채팅을 이용한 광고방법에 관한 것이다. 
     본 발명의 인터넷 전자우편을 이용한 광고방법은, E-메일서버로부터 전송받는 인터넷 원본 E-메일의 일부분에 특정광고주의 광고를 게시하고, 광고가 게시된 인터넷 E-메일을 발신인이 수신인에게 전송하고 수신인이 E-메일을 수신하는 것이 확인되면 발신인 및/또는 수신인에게 소정의 광고료를 지급하며, E-메일에 게시된 광고는 선택적으로 활성화시켜 원하는 경우에만 광고를 볼 수 있으며, E-메일의 특정광고들은 하나 또는 그 이상의 다양한 광고를 게재하여 발신인이 선택할 수 있으며, 문자 또는 클릭에 의하여 광고가 활성화되는 것을 특징으로 한다. 
     또한 채팅을 이용한 광고방법은, 채팅참가자들의 초기화면으로 출력되는 채팅창에서 의사전달이 이루어지는 입력창 이외의 특정부위 또는 배경에 기업광고 및/또는 기업배너광고를 삽입하고 채팅시에 광고를 열람하면, 열람한 참가자에게 소정의 광고료를 지급하는 것을 특징으로 한다.
Patent KR-20000066739-A (KR)
Title: 집적회로 칩과 그칩의 제조 방법
Filed: 1999-04-20
Abstract: a) 다이 수납 공간(20)을 구비한 회로 기판 유닛(2C)--여기서 회로 기판 유닛(2C)은 자신의 상단 표면에 복수의 접점 패드(22)를 구비함--을 형성하는 단계; 
     b) 복수의 솔더 패드(30)를 제공하는 상부 표면(300)을 구비하는 다이(3)를 형성하는 단계; 
     c) 다이 상의 솔더 패드(30)가 회로 기판 유닛(2)의 구멍(21)을 통하여 노출되도록 다이(3)를 다이 수납 공간(30)에 위치시키는 단계; 
     d) 도선(4)을 통하여 솔더 패드(30)를 접점 패드(22)에 와이어 본딩하는 단계; 
     e) 리드 프레임(5)을 회로 기판 유닛(2)의 상단 위에 위치시키고, 도전성 접점층(51)을 통하여 리드 프레임(5) 상의 리드(50)를 대응하는 접점 패드(22)에 연결하는 단계; 및 
     f) 리드 프레임(5)의 적어도 일부분과 회로 기판 유닛(2)을 밀봉하기 위해 플라스틱 보호층(6)을 형성하는 단계 
     를 포함하는 집적회로 칩 제조 방법.
Patent KR-20000066998-A (KR)
Inventor: OH SE CHEOL
IPC: G01M17/00
Filed: 1999-04-22
Abstract: PURPOSE: A self-diagnosis method of electronic timing and alarm control system(ETACS) and a receiver of vehicle is provided to make a driver directly check a malfunction of a communication line, ETACS and receiver by that the ETACS and the receiver determine a malfunction by oneself and turns on/off an emergency lamp of a vehicle. CONSTITUTION: If a communication error occurs during a communication between the ETACS and the receiver, the ETACS determines whether a self-diagnosis key is turned on or not in step(S31). If the self-diagnosis key is turned on. echo mode signal is generated through a terminal CONT, ETACS diagnosis relay(RY1) is driven, the ETACS transmits a predetermined data from TX terminal to RX terminal in steps(S32,S33). The step(S34) determines whether the ETACS completes the predetermined data receiving operation or not. If the predetermined data receiving operation is completed, the step(S35) determines whether a transmission data is identical with a receiving data. If the transmission data is identical with the receiving data, the step(S36) outputs emergency lamp on-signal. If the transmission data is not identical with the receiving data, the step(S37) outputs emergency lamp off-signal.
Patent KR-20000067417-A (KR)
Inventor: PARK SIN YEONG
IPC: H04B1/40
Filed: 1999-04-28
Abstract: PURPOSE: A subscriber loop current control apparatus of a WLL(Wireless Local Loop) terminal is provided to minimize the size of a battery and to reduce the capacity of the battery by increasing the usage time of the backup battery for a WLL terminal. CONSTITUTION: An MSM(Mobile Station Modem)(1) having a power control terminal, a detection terminal and an SLIC operation terminal controls power supply to an SLIC(Subscriber Line Interface Circuit)(3) and detects the status of the SLIC(3). The MSM(1) is connected with an RF module(5) and transfers signals by wireless. The SLIC(3) connected to a subscriber(4) detects subscriber status and reports it to the MSM(1). A codec(2) converts digital signals into analog signals or analog signals into digital signals. A transistor(Q1) connected to the power control terminal of the MSM(1) is turned on or off according to an active or inactive state to switch power supply to the SLIC(3).
Patent KR-20000072891-A (KR)
Inventor: MUN UNG HAN
IPC: H04Q9/00
Filed: 1999-05-03
Abstract: PURPOSE: A device for transceiving signals of a remote controller is provided to convert infrared rays signals of the remote controller into high-frequency signals, and to re-convert the high-frequency signals into infrared signals so as to control a corresponding electric equipment. CONSTITUTION: Infrared rays(IR) signals of a remote controller are detected in an optical diode of an IR/radio frequency(RF) converter. The IR signals are converted into electric signals. A mixer mixes output signals of an input amplifier with oscillating frequencies of an oscillator, to modulate the oscillating frequencies according to the output signals of the input amplifier. The modulated signals are amplified to a transmission level in an RF amplifier, and transmitted through a transmitting antenna. RF signals received in a receiving antenna of an RF/intermediate frequency(IF) converter(30) are low-noise amplified in a low noise amplifier(32), and supplied to a mixer(35) through an RF band pass filter(33). The mixer(35) mixes RF signals through the RF band pass filter(33) with oscillating frequencies of an oscillator(34), to supply IF signals. The IF signals are restored to original data through an IF band pass filter(36). A voltage value of restored analog data in a frequency modulation(FM) detector(37) is compared with a preset reference voltage in a comparator(38). The analog data of the FM detector(37) are converted into digital data.
Patent KR-20000073539-A (KR)
Inventor: KIM JUN O
IPC: H01L21/306
Filed: 1999-05-12
Abstract: PURPOSE: A dry etching equipment for manufacturing a semiconductor device is provided to prevent partial damage to a chamber and a polymer from being adhered, by complementing a concave slit portion with a liner. CONSTITUTION: In a dry etching equipment for manufacturing a semiconductor device, a detachable liner is established, which prevents a polymer from being directly adhered to a concave surface in a periphery of a slit portion among inner walls of a process chamber where a wafer comes in and out. The liner has the same shape as the wall of the slit portion of the chamber, closely established to the wall.
Patent KR-20000074678-A (KR)
Inventor: KIM SIN
IPC: G01C21/00
Filed: 1999-05-25
Abstract: PURPOSE: A map matching method for a vehicle navigation system using Q-factor based on a study circuit network is provided to precisely carry out map matching for any roads by finding optimum parameter combination and easily adapting for changes of roads by using a study capability of the study circuit network. CONSTITUTION: In a map matching method for a vehicle navigation system using Q-factor based on a study circuit network, a map matching computation is carried out in such a manner that values D and V required for the computation of value Q are computed in a pre-computing part(30) by using a signal of which noise is removed in a navigation filter(10) and map information of a map information CD ROM(20), and existence of a travelling vehicle on a road is determined in a determination part(50), wherein a study circuit network(40) is provided between the pre-computation part and the determination part for studying a function having an output value αV+βD from the input values of the computed values D and V.
Patent KR-20000075309-A (KR)
Inventor: AHN HONG SIK
IPC: H04L12/26
Filed: 1999-05-31
Abstract: PURPOSE: An apparatus and a method for monitoring traffic of a packet router in a mobile communication system are provided to produce traffic amounts of packet data according to destination nodes or destination addresses, so as to easily perceive the traffic amounts and transceiving load rates in each node. CONSTITUTION: A packet router(300) generates a control signal to transceive packet data to destination nodes of a mobile communication system through a data bus. A traffic controller(310) connected with a central processing unit(CPU)(320) estimates traffic amounts of the packet data through the data bus, according to an option selected by a system operator. The traffic controller generates a memory control signal to monitor contents of the packet data. An external memory(330) sequentially stores packet data designated by the memory control signal. The CPU controls the traffic controller and the external memory, and outputs the traffic amounts and contents of the designated packet data.
Patent KR-20000005977-A (KR)
Inventor: POKE HEINTS
IPC: B65B55/24
Filed: 1999-06-07
Abstract: PURPOSE: A wrapping machine for a cigarette is provided to have a sub-assembling body to process a wrapping material and the cigarette. CONSTITUTION: The wrapping machine for a cigarette comprises:a sub-assembling body and elements to process a wrapping material and a cigarette(10); a folding element; a fixed inhaling sub-assembling body(24) located in the lower of a blank magazine(12) in the plane of a blank passage(23); a housing(25) having an inlet opening unit(26); a brush(41,42) operated on the surface of a web.
Patent KR-20010002070-A (KR)
Inventor: PARK CHANG HUI
IPC: B65F1/00
Filed: 1999-06-11
Abstract: PURPOSE: A trash bin is provided to realize improvement of residential environment and prevention of economic loss and to offer convenience in use by preventing the bursting of a compressed waste bag and to promote easy withdrawal of the waste bag. CONSTITUTION: A body has a door installed on its front face and opened by selective rotation. A cover(2) is installed onto the upper face of the body. A lid(3) is installed on the cover to be removable. A deodorizing box(4) is assembled in the lower center of the cover to be removable. A sewage gutter is separably installed on the bottom of the body. A waste bag fixing ring(6) is for fixing a waste bag at the upper face of the body. The waste in the body is pressurized by a pressurizing plate with a grip.
Patent KR-19990068790-A (KR)
Title: 절수형샤워기구밸브
IPC: A47K3/26
Filed: 1999-06-21
Abstract: 기존의 샤워기구의 급수관(수도관)(15)중간 적정위치에 연결하여 압축백(20)의 압축에 의해 작동되는 벨로우즈(21)의 팽창으로 밸브스템(22)을 밀어 주게되면 스프링(6)에 의해 탄지된 개폐밸브(3)가 밀리면서 개폐공(2)을 개방하게되어 수도관(15)을 통하여 물이 공급되면서 샤워기구의 노즐을 통하여 물을 분사하게되고 샤워를 하지 않을때는 압축백(20)을 밟지 않으면 상기 작동이 역작용되어 자동적으로 개폐밸브(3)가 차단되어 물의 분사를 막아주므로 불필요한 물의 낭비를 억제해 주는 역할을 하는 절약형 샤워기구 밸브에 관한 것이다.
Patent KR-20010011544-A (KR)
Inventor: JUNG EUN
IPC: B01J2/06
Filed: 1999-07-28
Abstract: PURPOSE: An apparatus for manufacturing solder powder using supersonic waves and method thereof are provided. According to the method, melted material having 37Pb-63Sn composition property is sprayed into atomizing chamber under the condition of 1x10¬-3 torr and 20-44 kHz of supersonic waves. Prepared solder powder, used as an additive in the field of SMT (Surface Mounting Technology) for BAG (Ball Grid Array) package, is excellent in globularity and has narrow particle distribution. CONSTITUTION: The apparatus consists of a furnace (1) for melting raw materials having 37Pb-63Sn composition property; a liquid droplet controller (2) for supplying/spraying liquid droplets to an atomizing chamber (4); a supersonic wave generator (3) for atomizing the droplet by using 20-44 kHz of supersonic waves; an atomizing chamber (4) for forming ultrafine solder powder, wherein the chamber is controlled to be inert gas circumstances and vacuum condition in order to prevent oxidation of droplet.
Patent KR-20000017064-A (KR)
Inventor: ITOMASAHIKO
IPC: H01L41/087
Filed: 1999-08-04
Abstract: PURPOSE: A piezoelectric composition is provided to have a high heat stability so as to be generated without a deterioration. CONSTITUTION: The piezoelectric pressure sensor comprises a piezoelectric composition which includes a chlorine-processed polyethylene and a piezoelectric ceramic powder and is sandwiched between two conductors. The piezoelectric cable comprises a piezoelectric composition layer (2) for surrounding an internal conductor (1) by a circular form, wherein the piezoelectric composition layer is a material comprising a chlorine-processed polyethylene and a piezoelectric ceramic powder; an external conductor (3) coupled with the piezoelectric composition layer and configured for a metal layer (31) to be connected to a polymer membrane (32); and a protective jacket (4) for surrounding the external conductor, wherein the protective jacket is configured with an insulation and elastic material.
Patent KR-20010018431-A (KR)
Inventor: HONG EON PYO
IPC: H02K33/16
Filed: 1999-08-19
Abstract: PURPOSE: A linear compressor is provided to reduce producing cost of the compressor through reducing amount of magnet by minimizing diameter of an inner stator assemblage. CONSTITUTION: Inner circumference of an inner stator assemblage(4A) is attached to outer circumference of a cylinder(3). An outer stator assemblage(4B) is arranged while having a void from the inner stator assemblage. Then, a magnet assemblage(10) is interposed in the void to perform linear resonance movement. An inner resonance spring(21) is supported by the inner stator assemblage. Thus, a gap between the cylinder and the inner stator assemblage is eliminated to reduce diameter of the inner stator assemblage. Moreover, diameter of the magnet assemblage is minimized to reduce usage amount of magnet. Therefore, producing cost is reduced.
Patent KR-19990083908-A (KR)
Title: 대전 게임을 이용한 광고 제공 방법
Filed: 1999-08-28
Abstract: 본 발명은 인터넷상 대전 게임을 이용한 광고 제공 방법에 관한 것으로서, 특히 대전 게임 수행중에 게이머가 게임 참여에 필요한 포인트를 잃어버린 경우에 잃어버린 포인트 확보를 위하여 게이머로 하여금 기업ㆍ상품의 특정 카피를 입력하도록 함으로써 기업 또는 상품의 광고 효과를 높일 수 있도록 하는 광고 제공 방법을 개시하는 것을 그 목적으로 한다. 
     또한, 본 발명에 따르면, 게이머가 게임 제공 웹사이트와 접속하여 대전 게임을 수행하는 제 1 단계와 상기 제 1 단계의 게임 수행 도중에 상기 게이머의 점수가 제1 소정값 이하임에 따라 상기 웹사이트는 상기 게이머에게 기업ㆍ상품 카피를 포함하고 있는 텍스트를 제공하는 제 2 단계와, 상기 게이머가 제공된 텍스트를 타이핑함에 따라 상기 웹사이트는 상기 게이머에게 점수를 부과하는 제 3 단계 및상기 웹사이트가 상기 게이머에게 부과한 점수가 제1 소정값 이상임에 따라 상기 제 1 단계의 대전 게임을 수행하는 과정부터 반복 수행하는 제 4 단계를 포함하여 이루어진 광고 제공 방법이 제공된다.
Patent KR-20010026790-A (KR)
Inventor: KIM JONG HEUM
IPC: A47L15/22
Filed: 1999-09-08
Abstract: PURPOSE: A coupling device of a washing nozzle for a dishwasher is provided to improve the turning property of the washing nozzle and the injecting force of washing water, and to reduce wear of the washing nozzle. CONSTITUTION: A plastic bushing(20) is installed between a washing nozzle and a rinse nozzle shaft, and composed of a coupling unit(23) combining a feed unit in an upper part of a case(21), a combination rod(22) inserting the rinse nozzle shaft and two discharge holes(24a,24b) penetrating the inside of the washing nozzle in the lower part of the case. Two discharge holes in the lower part of the bushing are faced to each other. The discharged washing water is injected into the washing nozzle without the resistance or the vortex. The washing nozzle turning and the washing water injection are improved.
Patent KR-20000023004-A (KR)
Inventor: HURUHASHI SHINOBU
IPC: H03M13/11
Filed: 1999-09-09
Abstract: PURPOSE: An error detection circuit is provided to improve an error detection capacity by detecting an error using an ECC parity, before an error correction process, with regard to a decoder adopting an algorithm in which the error correction process is performed only when there is judged that an error is comprised by an error detection. CONSTITUTION: An error detection circuit comprises an ECC error detection circuit(21) and a latch circuit. In the ECC error detection circuit is supplied the data (Din) which comprises an ECC parity supplied from a signal processing part(14) and reproduced from a disk(11). The ECC error detection circuit(21) calculates a syndrome of either one of a P correction and a Q correction using the data and the ECC parity. The error correction process is performed only when there is judged that an error is comprised by an error detection. The latch circuit holds the calculated result.
Patent KR-20010027318-A (KR)
Inventor: BAE HO PIL
IPC: H04B7/216
Filed: 1999-09-13
Abstract: PURPOSE: An apparatus for estimating a channel in a CDMA(Code Division Multiple Access) reverse channel is provided to add a frequency compensating function to a demodulator of a CDMA reverse link, so as to compensate a transmission frequency error of a terminal station and to perform a higher spread gain, to reduce power of a pilot channel. CONSTITUTION: A frequency error estimator(1240) finds an estimating frequency error value in an extracted pilot symbol. A conjugate complex number generator(1250) finds a conjugate complex number corresponding to the estimating frequency error value. A frequency error remover multiplies the conjugate complex number by the extracted pilot symbol, and removes a frequency error component. A channel compensator(1230) performs a channel compensating, by using a frequency error-removed signal and a signal for multiplying the estimating frequency error value. An oscillator(1245) is controlled by a value of the frequency error-removed signal, and generates a signal corresponding to an estimating frequency error.
Patent KR-20010035992-A (KR)
Inventor: LEE JEONG RAE
IPC: G11B15/02
Filed: 1999-10-05
Abstract: PURPOSE: A device and a method for controlling over output are provided to prevent over load from being occurred on an electric component by detecting a signal output through an output terminal of a system, comparing the signal with the predetermined maximum output reference level, and adjusting the signal output through the output terminal based on the compared data to be lower than the maximum output level. CONSTITUTION: An intermediate control part(12) treats and adjusts a source data reproduced or inputted from various media(10) according to a control signal with respect to volume or output inputted from the outside. An amplifier(14) amplifies the source data output by the intermediate control part(12) to a predetermined level. An A/D converter(22) detects the output signal output by the amplifier(14) and converts the same into digital data. A system controller(24) compares an output level of the data detected by the A/D converter(22) with the predetermined reference level, controls the intermediate control part(12) if the output level is higher than the reference level, and adjusts the output level to be reduced. The present invention has an advantage of extend a product's life as well as preventing a component from being damaged by removing over load applied to the component, including a speaker(16), in advance.
Patent KR-20010036472-A (KR)
Inventor: JANG JUN YEON
IPC: G12B17/00
Filed: 1999-10-08
Abstract: PURPOSE: A material for shielding electronic wave formed by using metal fiber of high magnetic permeability and a method for manufacturing the same are provided to supply interior material or exterior material for construction and electronic equipments to protect the life space from the circumstance of electromagnetic wave and to shield the electromagnetic wave emitted from the electronic equipments. CONSTITUTION: Material for shielding electronic wave formed by using metal fiber of high magnetic permeability and a method for manufacturing the same include a wall paper, the strength(Hinput)(5) of an outer magnetic field and the strength(Houtput)(7) of an inner magnetic field. The wall paper(6) has a medium layer, on which the metal fiber of high magnetic permeability is dispersed, and the magnetic field of the outer circumstance is shielded with making the wall paper(6) the center. The strength(Hinput)(5) of the outer magnetic field is shielded by the wall paper(6) and the strength(Houtput)(7) of the inner magnetic field is reduced. The metal fiber of the high magnetic permeability, the diameter of which is 20-30 micrometer, and the length of which is 10-30mm, is used. And the compound metal as Fe-Ni, Fe-Si, Co-Fe-Si-B etc. is material of the metal fiber.