baber/WOPTO huggingface dataset:
Patent KR-20000033400-A (KR)
Title: Device for measuring energy
Inventor: WOO SANG WOOK
IPC: G01N27/18
Filed: 1998-11-23
Abstract: PURPOSE: A device for measuring energy of human body is provided. CONSTITUTION: A device for measuring energy comprises a collective electrode(1), a rise rate measuring unit(2) and a discrimination unit(4). The collective electrode(1) collects electric charges discharged from a human body, and generates a voltage signal having a level in proportion to an amount of the electric charges collected. The rise rate measuring unit(2) measures a rise rate of the level of the voltage signal from the collective electrode(1). The discrimination unit(4) discriminates a strength of energy generated from the human body according to the value in proportion to the rate measured by the rise rate measuring unit(2).
Patent KR-20000033982-A (KR)
Title: Method for annealing ferritic stainless heat steel plate
Inventor: JEONG SANG YEOL
IPC: C21D8/02
Filed: 1998-11-26
Abstract: PURPOSE: A method for annealing ferritic stainless heat steel plate is provided to improve the oxidation resistance from the reduction of dew point of hydrogen gas. CONSTITUTION: The steel is comprised of 0.3wt% or less of C, 10 to 20wt% of Cr, 1.0wt%or less of Ni, 0.1wt% or less of N, 1.0wt% or less of Si, 2.0wt% or less of Mn, 0.5wt% or less of Ti, 0.6wt% or less of Nb, 2.0wt% or less of Mo, 1.0wt% or less of Cu, the remainder being Fe and the evitable impurities. The method for preparing the steel is also comprised of heat-rolling the steel to anneal it under a reductive atmosphere of temperatures of 800 to 1200°C. The heat-rolling plate contains 70% or more of hydrogen. The oxidative layer of steel plate surface is reduced to recover chrome-free layer.
Patent KR-19990024118-A (KR)
Title: 화재 감지신호 전달 방법 및 그 시스템
Filed: 1998-12-05
Abstract: 본 발명은 화재 감지신호 전달 방법 및 그 시스템에 관한 것으로서, 더 상세하게는 하나의 중계기군에 속하는 각각의 감지기마다 고유의 ID 코드를 부여하여 센서에서 화재 발생을 감지하면 감지기에서 무선으로 고유의 ID 코드와 화재 발생 신호를 중계기로 송신하고 중계기에서 자체 메모리된 ID 코드와 수신되는 ID 코드가 일치하는가를 판별하여 일치하면 화재 경보를 출력하는 화재 감지신호 전달 방법 및 그 시스템에 관한 것으로, 화재 발생시 화재를 감지하는 센서(23)가 설치된 감지기(20)에 의해 발생한 화재 감지신호가 신호전송 선로(40)에 의해 중계기(30)와 화재 감지 수신반(10)에 전송되는 화재 감지신호 전달 방법에 있어서; 상기 센서(23)에서 화재를 감지하면 상기 감지기(20)에서 감지기(20)마다 부여된 고유의 ID 코드 신호를 발생하여 무선으로 중계기(30)에 송신하고, 상기 중계기(30)에서 수신하여 수신된 ID 코드가 중계기(30)에 메모리된 ID 코드와 일치하는가를 판별하고 일치하면 화재 경보를 출력함을 특징으로 하는 화재 감지신호 전달 방법 및 그 시스템을 제공하여, 신호전송 선로의 단선에 의한 화재 감지 불가능을 미연에 방지할 수 있고 설치 및 보수에 필요한 자재비와 인건비를 포함한 시공·보수비를 격감시킬 수 있으며 정확한 화재 발생 위치를 파악할 수 있는 화재 감지신호 전달 방법 및 그 시스템에 관한 것이다.
Patent KR-20000038792-A (KR)
Title: Board based on rice bran and production method thereof
Inventor: PARK SANG HU
IPC: B27N3/00
Filed: 1998-12-09
Abstract: PURPOSE: A board based on rice bran and production method thereof are provided that can be used for a floor material of a container, a mould for a building, furniture and a durable wall body. CONSTITUTION: A board based on rice bran comprises 60 to 90 wt% of rice bran coated with polymer, 1 to 15 wt% of a supplement fiber coated with polymer, 5 to 30 wt% of a binder resin and 0.05 to 0.50 wt% of antibiotics. A production method of the board based on the rice bran comprises the steps of coating a mixture of the rice bran and the supplement fiber with a polymer, heating to 90°C, cooling to 80°C, adding a binder resin and the antibiotics, and then moulding the obtained composition under pressure.
Patent KR-20000038952-A (KR)
Title: Encoder and decoder having serial concatenated structure in communication system
Inventor: KIM MIN KOO
IPC: H03M13/15
Filed: 1998-12-10
Abstract: PURPOSE: An encoder and a decoder having serial concatenated structure in a communication system are provided to reduce the size of trellis for a soft decision of lineal block encode, reduce the complexity of realization. CONSTITUTION: A component decoder(411) outputs decode word bit(kp) by performing MAP/SISO decoding with receiving information bit(kp) and redundancy bit(rp) corresponding to the uppermost step. A deinterleaver(412) outputs the decode word bit(kp) by deinterleaving. A component decoder(413) outputs decode word bit(k(p-1)) by performing MAP/SISO decoding with output decode word bit(n(p-1)) of the deinterleaver and receiving redundancy bit(r(p-1)). A deinterleaver(414) outputs the output decode word bit(k2) of front end component encoder by deinterleaving. A component decoder(415) outputs information bit(k1) as a result of final decode by performing MAP/SISO decoding with output encode word bit(n1) and redundancy bit(r1).
Patent KR-20000039815-A (KR)
Title: Apparatus and method for unloading substrate
Inventor: BYUN SEONG JOON
IPC: G02F1/1333
Filed: 1998-12-16
Abstract: PURPOSE: An apparatus for unloading substrate and method for unloading the substrate are provided to adjust the position on which the substrate is placed on a handling station or to adjust rotation radius of a conveyor robot. CONSTITUTION: An apparatus for unloading substrate includes a handling station(110), a conveyor robot(120), and a controller. The handling station(110) contains substrates with different size which was processed in the previous implementation. The conveyor robot(120) lifts the substrate arranged on the handling station and loads the substrates on a cassette or next implementation regardless of the size of the substrates. The controller controls the substrate arrangement or operation of the conveyor robot to place the substrate on a same position.
Patent KR-20000040445-A (KR)
Title: Method for transmitting id of remote check meter
Inventor: KO GI BONG
IPC: G08C17/02
Filed: 1998-12-18
Abstract: PURPOSE: A method for transmitting ID of a remote check meter is provided to sequentially transmit plural received IDs to a hand terminal though plural ID transmission requests are simultaneously applied from the hand terminal. CONSTITUTION: A method for transmitting ID of a remote check meter comprises the steps of: deciding whether a ID request flag is in a set state; deciding whether an ID transmission request command from a hand terminal is received if the flag is in a set state; resetting the flag if the command is received and then deciding whether the time corresponding to a pre-assigned ID is elapsed; transmitting the pre-assigned ID to the hand terminal; deciding whether a predetermined time is elapsed after transmitting; and setting the flag after the predetermined time is elapsed.
Patent KR-20000041712-A (KR)
Title: Polymer membrane the surface of which is modified using ion-beam and surface-modifying method thereof
Inventor: KO SEOK KEUN
IPC: C08J7/00
Filed: 1998-12-23
Abstract: PURPOSE: A hydrophilic polymer membrane the surface of which is modified is provided which has still lower wetting angle compared with common polymer membrane, does not destroy the surface structure of the membrane to preserve the characteristics of the membrane, and has excellent reproducibility, by irradiating ion beam to the membrane. CONSTITUTION: A hydrophilic polymer membrane the surface of which is modified is prepared from a surface-modifying method of the polymer membrane using a vacuum chamber equipped with a gas inlet, an ion source and a substrate holder, characterized in that it comprises a step of fixing a polymer membrane to the substrate holder; a step of introducing a reactive gas into the vacuum chamber through the gas inlet; a step of activating the surface of the polymer membrane by irradiating an ion beam having an energy of 2000 eV or less, generated from the ion source; and a step of reacting the activated surface of the polymer membrane with the reactive gas to form a hydrophilic group on the surface thereof.
Patent KR-20000043410-A (KR)
Title: Circuit for controlling a driving motor of a washing machine
Inventor: WON YONG BOK
IPC: H02P5/00
Filed: 1998-12-29
Abstract: PURPOSE: A circuit for controlling a driving motor of a washing machine is provided to remove noise in a washing reservoir due to magnetic flux imbalance by mounting a switch to be turn on and off to output a control signal. CONSTITUTION: A series connection is constructed with a starting coil(32), a switch(34), and a starting capacitor(33) on both ends of a main coil(31) of a driving motor(20). Rotation speed information is read from a pulse generator(24) to judge whether a rotation speed reaches a predetermined rotation speed. The switch(34) is turned off by a pulse control signal outputted from a microcomputer(10) when the rotation speed reaches the predetermined rotation speed. The microcomputer(10) reads timing information in real time from a timer(14) to judge whether a predetermined reference time is reached.
Patent KR-20000043518-A (KR)
Title: Back light assembly
Inventor: SHIN JUNG HYEOK
IPC: G02F1/1335
Filed: 1998-12-29
Abstract: PURPOSE: A back light assembly is provided to control light being emitted from lamp, thereby improving light uniformity of LCD panel. CONSTITUTION: A back light assembly includes a mold frame(110) in which an accepting groove is formed, a lamp assembly(120), a diffusing plate(130), and an optical sheet(140). The lamp assembly is installed on the base surface and emits light. The diffusing plate is separated as a predetermined distance from the upper surface of the lamp assembly, has an optical controlling part on the low surface opposite to the lamp assembly, and diffuses light emitted from the lamp assembly. The lamp assembly includes a base plate(122), lamps, and a spacer(128). A plurality of lamp inserting grooves(124) are formed to the base plate. The lamp is respectively inserted in the lamp inserting grooves and emits light. The spacer is installed between lamps to separate the lamp and the diffusing plate as a predetermined distance.
Patent KR-20000043528-A (KR)
Title: Laser source and current/magnetic field sensor using the same
Inventor: KIM BYUNG YOON
IPC: H01S3/10
Filed: 1998-12-29
Abstract: PURPOSE: A current/magnetic field sensor using a laser source is provided to measure various power lines effectively by measuring a beat frequency regardless of the light intensity and the deflected light variation. CONSTITUTION: One end of a resonator is connected to a unit for oscillating two different deflected light modes without a gain competition by the reflection with a deflected light axis of light rotated. An output mirror(440) is connected to the other end of the resonator. A unit for suppressing the oscillation of modes except for the two deflected light mode is included in the resonator. The unit for reflecting light in a rotated deflected axis is a faraday rotation mirror(430) and the unit for suppressing the oscillation of modes is a saturation absorption body(410).
Patent KR-19990036441-A (KR)
Title: 심볼 레이트 선택 방법 및 장치
IPC: H04L23/00
Filed: 1997-06-03
Abstract: 본 발명에 따르면, 수신된 프로브 신호로부터 심볼 레이트 및 반송파 주파수를 결정하여 데이터 송신 및 수신을 위한 비트 레이트를 최적화하기 위한 모뎀(100, 101)과 같은 데이터 통신 디바이스용의 장치, 소프트웨어 모뎀 및 방법이 제공된다.  각종 실시예는 프로세서(108) 또는 디지털 신호 프로세서(106)를 사용하여 전형적으로 노이즈 및 다른 왜곡 특히 엔벨로프 지연 왜곡을 내포하는 프로브 신호를 수신한다.  각종 방법 및 장치 실시예는 그 다음 ITU V.34 프로토콜에서 특정하는 선택된 송신 프리-엠파시스 필터와 상관관계가 있는 것으로서 또는 감쇄 왜곡과 상관관계가 있는 것으로서 직접적으로 또는 간접적으로 엔벨로프 지연 왜곡의 변동을 결정한다.  그 다음 데이터 송신 및 수신을 위한 최적 심볼 레이트 및 반송파 주파수를 결정하는데 있어서 지연 왜곡의 변동을 이용하여 어떤 심볼 레이트 및 이에 대응하는 반송파 주파수들을 배제한다.
Patent KR-19990044212-A (KR)
IPC: C07D495/04
Filed: 1996-08-26
Abstract: This invention is concerned with an improved process for the synthesis of hydroxysulfone, which is a key intermediate in the synthesis of carbonic anhydrase inhibitors, especially dorzolamide. Carbonic anhydrase inhibitors are known to be effective in treating elevated intraocular pressure or glaucoma.
Patent KR-19990071584-A (KR)
Title: 촉매 조성물 및 탄화수소 전환 방법에 사용되는 그들의 용도
IPC: B01J29/064
Filed: 1996-11-26
Abstract: 본 발명은 제 1 크래킹 성분으로서, 알루미나에 대한 실리카의 몰비가 20 이상이고 크기 100 nm 미만의 결정형인 제올라이트 베타; (i) 직경이 0.6 nm 초과의 기공을 가진 결정성 분자 시이브, (ii) 직경이 1.3 nm 이상의 기공을 가진 결정성, 메조기공성 알루미노실리케이트, 및 (iii) 점토로부터 선택된 제 2 크래킹 성분; 및 1 종 이상의 수소화 성분을 함유하는 촉매 조성물, 및 상기 촉매 조성물이 사용되는 탄화수소 전환 방법을 제공한다.
Patent KR-20000064891-A (KR)
Title: 아가리쿠스버섯의 자실체의 인공균상재배방법
IPC: C05F11/00
Filed: 1998-02-12
Abstract: 본 발명은, 곡물을 포함하는 배지에서 아가리쿠스버섯을 배양하는 단계를 포함하는 아가리쿠스버섯의 자실체의 인공균상재배방법, 및 곡물을 포함하는 아가리쿠스버섯의 자실체의 인공균상재배용 배지에 관한 것이다. 상기 배지에는, 필요에 따라서, 영양원, 배지매트릭스등이 포함될 수 있다.
Patent KR-20000051367-A (KR)
Inventor: LEE SANG WU
IPC: H05B41/282
Filed: 1999-01-21
Abstract: PURPOSE: An electronic ballast system for providing electrical energy to a fluorescent lamp is provided to perform an efficient steady-state operation. CONSTITUTION: An electronic ballast system includes a rectifier(100), a boost converter(200), a half-bridge converter(300), and a resonance circuit(400). The rectifier comprises a low pass filter(11) connected between an input power source supplying an AC input voltage and a bridge diode(12) connected across the low pass filter, which provides DC voltage. A boost converter has an inductor(L11) connected in series to a diode(D12) connected in parallel to a transistor(13). A half-bridge converter comprises two transistors(S12,S13) and two diodes(D14,D15). A series-parallel resonant circuit includes a capacitor(C12) in series to an inductor(L12). The inductor(12) is connected to a capacitor(C13) in parallel. The half-bridge and boost converters have a common transistor(S13) controlling the overall ballast system with the transistor. By using a common transistor, the number of switching devices and power consumption are saved.
Patent KR-19990068123-A (KR)
Title: 올레핀 중합체 및이의 제조방법
IPC: C08F4/64
Filed: 1999-01-26
Abstract: 본 발명은 Mn이 300,000이고, Mw/Mn이 2.40 이하이며 실질적으로 융점이 없는 무정형 중합체인 탄소수 5 이상의 알케닐 탄화수소의 올레핀 중합체, 및 특정 전이 금속 화합물(A), 방향족 용매에 가용성인 오가노알루미늄옥시 화합물(B) 및 물(C)을 접촉시킴으로써 수득되는 올레핀 중합 촉매를 사용하여 탄소수 5 이상의 알케닐 탄화수소를 중합시킴을 포함하는, 상기 올레핀 중합체의 제조방법에 관한 것이다.
Patent KR-20000055428-A (KR)
Inventor: HEO SEONG SIK
IPC: H04L12/26
Filed: 1999-02-05
Abstract: PURPOSE: A node board of an internal communication network with an error detector is provided to diagnose errors by checking blocks where Interprocess Communication(IPC) data checked as a frame unit occurs errors, if errors are detected, when receiving/transmitting a High-level Data Link Control(HDLC) type of serial IPC data to units. CONSTITUTION: A node board of an internal communication network with an error detector comprises an unit transceiver, an error detector, a node bus converter, a unit memory, a bus memory, a data bus transceiver, a bus and path controller, and a central processor. The unit transceiver receives/transmits a High-level Data Link Control(HDLC) type of serial Interprocess Communication(IPC) data between intercommunication networks and subsystems. The error detector detects errors by checking the IPC data as a frame unit. The node bus converter converts the serial IPC data received from the error detector into parallel IPC data, and parallel IPC data inputted from a data bus into serial IPC data for transmitting the transceiver. The unit memory stores the serial IPC data converted in the node bus controller. The bus memory stores the parallel IPC data inputted from the data bus. The data bus transceiver receives/transmits data from/to the data bus. The bus and path controller controls a bus occupancy among nodes for the data bus and a path for frames. The central processor manages an operating and managing state of the intercommunication network according to error results notified from the error detector.
Patent KR-20000061172-A (KR)
Inventor: PARK SEONG MIN
IPC: A61K8/97
Filed: 1999-03-24
Abstract: PURPOSE: An extract of autumn-tinted leaves is provided, which shows skin improving effect by the antioxidant activity and anti-inflammatory activity of the extract, so which can be used in cosmetic composition for skin whitening, prevention of skin aging, and anti-inflammation. CONSTITUTION: A process for the preparation of extract of autumn-tinted leaves comprises of: collecting autumn-tinted leaves from various trees in autumn before falling down naturally, and washing; extracting the autumn-tinted leaves with each 10-95wt.% of methanol solution, ethanol solution, 1,3-butyleneglycol solution, propyleneglycol solution, or mixed solution thereof by soaking the autumn-tinted leaves 5-80wt.% in the solution for 30days(the minimum) at room temperature or 80°C; filtering with 500mesh filter sheath; sterilization-filtering the filtered solution with 0.45micrometer filter sheath. The cosmetic composition contains the autumn-tinted leaves extract 0.02-30wt.%.
Patent KR-20000061882-A (KR)
Title: Plasma display panel
Inventor: HONG BYEONG HUI
IPC: H01J11/44
Filed: 1999-03-31
Abstract: PURPOSE: A plasma display panel is provided to increase brightness by improving the structure. CONSTITUTION: A plasma display panel includes front and back substrates(31,32) forming a discharge space, an electrode formed on the back substrate in a predetermined pattern, and a transparent dielectric layer(36) formed on the back substrate to cover the electrode. There are also included a partition wall(40) located on the dielectric layer, in parallel with the electrode, to maintain a discharge distance, a fluorescent layer formed of R, G, B color patterns(41,42,43) on the dielectric layer, and a reflecting layer(44) formed between the back substrate and electrode in a predetermined pattern to reflect light emitted from the fluorescent layer toward the front substrate.
Patent KR-19990082882-A (KR)
IPC: C08F2/06
Filed: 1999-04-02
Abstract: 본 발명은 고온 용액 공정에서 실질적으로 중합체 분자량을 증가시키는 신규 촉매 제조방법을 제공한다.  본 방법은 전이 금속과 제 2 알루미늄 알킬 활성제를 반응시키기 이전에, 알루미늄 알킬/디알킬 마그네슘과 염소화 화합물의 혼합물을 혼합하고 가열하는 것을 수반한다.  이러한 신규 촉매 제조방법은 활성의 상당한 손실없이 에틸렌-알파-올레핀 공중합시 분자량을 80% 정도로 상당히 증가시키도록 고안되었다.
Patent KR-20000066144-A (KR)
Title: Method for logging message of home location register
Inventor: LEE YEON CHAN
IPC: H04B7/155
Filed: 1999-04-13
Abstract: PURPOSE: A method for logging a message of a home location register(HLR), is provided to store a message delivered between the HLR and a customer data distributing device in a specific directory with a log-file, so as to refer to the log file in error generation and to easily change the directory. CONSTITUTION: When message logging is requested, whether a specific file exists in a specific directory is confirmed. If the file does not exist, unavailable message logging is displayed, and if the file exist, a directory is read from the specific file. If the read directory does not exist, a corresponding directory is generated, and if the directory exist, the log-file is opened.
Patent KR-20000066329-A (KR)
Inventor: JUN CHAN YEONG
IPC: G01F23/296
Filed: 1999-04-15
Abstract: PURPOSE: An apparatus for measuring ultrasonic wave level is provided to reduce the error generated in measured data caused by the loss of the electric power and a noise. CONSTITUTION: In an apparatus for measuring ultrasonic wave level making ultrasonic wave incident from an ultrasonic transmitter to the object which to be measured by receiving a predetermined signal and detecting the received wave reflected from the object which to be measured and received by the ultrasonic receiver for detecting the level of the object, wherein the apparatus for measuring ultrasonic wave level includes a transmission pulse generator(12) outputting a series of pulses at regular period by being controlled by a micro computer(11), a transmission modulation circuit(31) modulating a pulse heat of square wave output from the transmission pulse generator, a transmission demodulation part(34) filtering the signal output from the transmission modulation circuit and demodulating the filtered signal, a transmitting circuit(21) generating the ultrasonic wave in an ultrasonic wave transmitter by receiving the output of the transmission demodulation part, an ultrasonic wave receiver receiving the ultrasonic wave generated in the ultrasonic wave transmitter, a receiving circuit(22) converting the signal generated in the ultrasonic wave receiver to an electrical signal, and a signal processing part(13) extracting only normal received wave among the signals transmitted from the receiving circuit by being controlled by the micro computer, converting the normal received wave into digital signal and transmitting the signal to the micro computer.
Patent KR-19990087936-A (KR)
Title: 자동차의드링크용기용홀딩장치
IPC: B60N3/10
Filed: 1999-04-16
Abstract: 본 발명은 드링크 용기용 홀딩 장치(10)에 관한 것으로, 상기 홀딩 장치(10)는 승용 자동차의 중앙 콘솔 내에 끼워 맞춰지도록 배열된다.  공간을 적게 차지하는 장착을 위해, 홀딩 장치(10)는 제 1 드링크 용기 홀더(36)를 포함하는데. 상기 제 1 드링크 용기 홀더는 미끄럼대가 에지 상에 서 있는 빼내는 초기 위치에 미끄럼대(22) 상에서 위쪽으로 변위 가능하고, 그 후에 수평 사용 위치쪽으로 선회 가능하다.  제 2 드링크 용기 홀더(50)는 제 1 드링크 용기 홀더(36) 내에 수용되고 측방향 바깥쪽으로 선회되도록 배열된다.
Patent KR-20000066999-A (KR)
Inventor: KIM SEONG CHEOL
IPC: H01L21/76
Filed: 1999-04-22
Abstract: PURPOSE: A method for manufacturing an isolation structure of a semiconductor device is provided to control a generation of a leakage current, by eliminating an influence of a step difference between an isolation structure and a pad oxidation layer through an evaporation of a thick oxidation layer, and by forming the isolation structure not exposing the substrate of a side surface of a trench. CONSTITUTION: A pad oxidation layer(2) and a nitride layer are evaporated, and a part of the nitride layer and pad oxidation layer is eliminated to expose a part of a substrate(1). The exposed substrate is etched to form a trench, and an isolation structure(5) positioned between nitride layer patterns is formed through evaporation and planarization processes of an oxidation layer(6). In an oxidation layer etching process, the nitride layer exposed to a side surface of the isolation structure is selectively eliminated, and the upper part of the isolation structure and the pad oxidation layer are etched to expose the substrate in which a device formation region is defined by the isolation structure positioned in the trench. The oxidation layer etching process comprises the steps of: evaporating an oxidation layer of which the surface is flat on the entire surface of the pad oxidation layer and isolation structure after eliminating the nitride layer; and exposing the device formation region defined by the isolation structure in the trench by etching the upper surface of the evaporated oxidation layer, pad oxidation layer and isolation structure.
Patent KR-19990088324-A (KR)
IPC: H01L21/20
Filed: 1999-05-15
Abstract: 반도체기판의 제조공정은, 수소어닐링이 행해질 표면층부분을 가지는 제 1기판을 제조하는 스텝과, 표면층부분의 측면으로부터 제 1기판으로 수소 등의 이온을 주입함으로써 분리층을 형성하는 분리층형성스텝과, 표면층부분이 내부에 놓이도록 제 1기판과 제 2기판을 서로 접착함으로써 다층구조를 형성하는 접착스텝과, 분리층을 사용하여 다층구조를 분리함으로써 표면층부분의 결함이 보다 적은 층을 제 2기판으로 이전하는 이전스텝으로 이루어진다.   결함이 보다 적은 층은 COP 및 FPD등의 벌크웨이퍼 내의 고유의 결함이 감소되는 단결정 실리콘층이다.
Patent KR-20000074446-A (KR)
Inventor: HONG JAE YUN
IPC: H02M3/335
Filed: 1999-05-21
Abstract: PURPOSE: A power saving unit is provided to perform a power saving mode automatically in an appliance of performing a manual operation of a power switch and driving a remote controller. CONSTITUTION: In a power saving unit, a power(1) is directly connected to an output plug socket(90) with a relay switch(80) interposed, thus a power supply line(Q) is formed. The relay switch(80) is connected to an output terminal of an AD-DC converter(10). A DC-DC converter(20) is connected to an operational amplifier(40) via a dc controller(30), and an infrared sensor(41) is connected to the amplifier(40) so as to be used as a switch. A variable load sensor(50) is connected between the amplifier(40) and the converter(10), and a load check display(70) and a charge unit(60) are connected to the amplifier(40).