baber/WOPTO huggingface dataset:
Patent KR-20000065291-A (KR)
Inventor: MIN BYUNG MOO
IPC: A61M25/04
Filed: 1999-04-01
Abstract: PURPOSE: A bio-decomposable uretero-Stent is provided which can be used in infantile hydronephrosis operation, spermaduct restoring operation, salpinx restoring operation, operation for hypospadias, and operation for stricture of the urethra. Thereby these operations do not need complex nephrostomy and Double-J-Stent, consequently, extra uretero-Stent removing step is not needed. CONSTITUTION: The bio-discomposable uretero-Stent is composed of bio-decomposable polymer and resin mixed with water-soluble materials. Then micropores of 0.2-0.7mm thereon are formed by extracting the water-soluble materials using distilled water in the presence of ultrasonic waves. A process for the preparation of bio-decomposable uretero-Stent comprises of: polymerizing 7ppm of Tin Octoate and 0.15wt.% of lauryl alcohol polymerize at 235°C to get polyglycolic acid (viscosity is 7,000poise); mixing 90wt.% of the polyglycolic acid and 10wt.% of salt(average particle diameter is 250micrometer) using a mixer, and injection molding the uretero-Stent; extracting the salts by treating the uretero-Stent with distilled water of 30°C for 10 hours; vacuum drying to 100ppm of moisture content.
Patent KR-20000065582-A (KR)
Inventor: HA JONG HO
IPC: B41J2/165
Filed: 1999-04-07
Abstract: PURPOSE: A printer preventing dryness of a nozzle and a method for controlling the same are provided to prevent the dryness of the nozzle without injecting a little ink by transferring the unused micro injecting device to a maintenance position. CONSTITUTION: A printer preventing dryness of a nozzle includes a plurality of micro injecting devices(200,300) having a plurality of nozzles and injecting ink by receiving nozzle driving data and then driving the nozzles, a plurality of micro injecting device driving part(140,150) controlling the injection of the nozzles and providing the nozzle driving data so that ink in the inside of the nozzles flows up and down, a carriage part(420) mounting the plurality of the micro injecting device and reciprocally moving right and left on a print paper, and a controlling part(130) driving the unused micro injecting device among the plurality of micro injecting devices for flowing ink up and down.
Patent KR-19990087898-A (KR)
Title: 비틀림진동댐퍼또는비틀림탄성커플링
IPC: F16F15/133
Filed: 1999-04-09
Abstract: 본 발명은 내측부분(2) 및 외측부분(3)과 그 내외측 부분들 사이에 장착된 레이디얼 판 스프링 어셈블리(4)들로 구성되는 비틀림 진동 댐퍼 또는 비틀림 탄성 커플링(1)에 관한 것으로서, 상기 판 스프링 어셈블리(4)는 각각 2개씩의 판 스프링(5, 6)으로 이루어지고, 한쪽 단부는 스프링 어댑터(8) 사이에 각각 협지되어  상기 외측부분(3)에 고정되며, 다른 쪽 단부는 상기 내측부분(2)의 축방향 홈(9) 속에 각각 결합된다. 
     상기 판 스프링 어셈블리 부분의 마모 현상을 감소시키고, 판 스프링의 토크 전달을 위한 부하능력을 향상시키기 위하여, 상기 판 스프링 어셈블리(4)의 한쌍의  판 스프링(5, 6)을 고정부위(E)로부터 내향 반경 방향으로 단부(10, 11)까지 연장하고, 상기 판 스프링들 사이에 자유로운 유동간극(12)을 유지하면서, 단부(10, 11)들을 상기 내측부분(2)의 축방향 홈(9) 속에 각각 결합한다.
Patent KR-20000065865-A (KR)
Inventor: KIM JONG HUN
IPC: C07D239/00
Filed: 1999-04-09
Abstract: PURPOSE: A 4,5-diamino pyridine derivative having inhibiting activity on cyclic guanosine 3',5'-monophosphate phosphodiesterase is provided which can be used for the prevention and treatment of cardiovascular disease. CONSTITUTION: New 4,5-diamino pyridine derivative of formula (1), physiologically acceptable salt thereof, solvates or easily convertible ester on metabolism is described. In formula, X is a single bond, C1-4 alkylene, C1-4 alkyleneoxy, C1-4 alkoxyphenyl or phenyl(C1-4)alkylene; Y is a single bond or C1-2 alkyl; R1 is (i) phenyl substituted or nonsubstituted with one or two groups selected from halogen, nitro, hydroxy, C1-6 alkyl and C1-4 alkoxy, (ii) a side chain or hetero compound of 5 to 15 atom ring containing one or two atoms selected from N and O and substituted with one or two groups selected from the groups of halogen, nitro, hydroxy, C1-6 alkyl and halogen C1-4., (iii) C4-10 carbocyclic compound or hydroxy(C1-4)alkoxy; R2, R3, R4 and R5 are defined in the description.
Patent KR-19990083359-A (KR)
Title: 이동통신시스템
IPC: H04B7/26
Filed: 1999-04-21
Abstract: 본 발명은, 기지국과 이동국이 접속되어서 이루는 셀룰러방식의 이동통신시스템에 관한 것이다.    상세하게는, 기지국에 의해 송신전력제어가 행해지는 이동통신시스템에 있어서, 적어도 제어신호에 대하여 이동국과 각 기지국과를 동시에 접속하는 소프트핸드오프 제어를 행하고, 제어신호 이외의 신호에 대해서는 하드핸드오프 제어를 행한다.    이것에 의해 시스템전체의 통신용량을 크게할 수 있는 동시에, 안정성을 유지할 수 있다.
Patent KR-19990088085-A (KR)
Title: 실린더용속도제어장치
IPC: F16K31/54
Filed: 1999-05-06
Abstract: 실린더(2)와, 실린더실에 출입하는 압력유체의 유량을 제어하는 스피드컨트롤러(11a, 11b)와, 상기 스피드컨트롤러(11a, 11b)에 제어신호를 출력하는 컨트롤러(15)와, 상기 실린더(2)의 피스톤(7)의 변위량을 검출하고, 검출신호를 컨트롤러 (15)에 전달하는 센서(19)로 구성되는 속도제어장치, 각각의 스피드컨트롤러(11a, 11b)는, 유체통로를 유통하는 압력유체의 유량을 제어하는 스로틀부와, 컨트롤러 (15)로부터 전달된 제어신호에 의거하여 스로틀부에서의 스로틀량을 변화시키는 스로틀량제어부를 구비한다.
Patent KR-20000034849-A (KR)
Inventor: YOON MYUNG RYUL
IPC: H01T23/00
Filed: 1999-05-13
Abstract: PURPOSE: An ionized gas generating apparatus is provided to reduce a fabrication cost by purifying contamination substances in an atmosphere without using a separate complicated component such an ion generator. CONSTITUTION: An ionized gas generating apparatus comprises a housing(11) which has an air inflow opening(12) and an ionization gas discharge opening(13). A first ventilator(40) is installed at the air inflow opening(12) so as to ventilate air into the housing(11). A second ventilator(42) is installed at the air inflow opening(13) so as to ventilate air from the housing(11) to a desired place. A pair of bulkheads(15) are extended so as to intersect the interior of the housing(11). A plurality of insertion holes(19) are formed at the bulkheads(15). A plurality of first bulbs(16) and a plurality of second bulbs(17) are disposed at the insertion holes(19) of the bulkheads(15).
Patent KR-20000075000-A (KR)
Title: Linear motor
Inventor: KIM DO HYEON
IPC: H02K41/02
Filed: 1999-05-27
Abstract: PURPOSE: A linear motor is provided to effectively cool a stator and rotor of the linear motor by supplying pressurized air into the stator and the rotor through perforation holes formed in the rotor. CONSTITUTION: A linear motor comprises a pressurized air supplying device such as a compressor(1). A distributing device is provided on a rotor(53) of the linear motor so as to supply the pressurized air of the compressor(1) between the rotor(53) and a stator(51). A hose(2) is provided to connect the compressor(1) to the distributing device. The rotor(53) is provided with a permanent magnet. The stator(51) is provided with a coil unit including a bobbin and a coil wound around the bobbin. The distributing device includes a plurality of the first perforation holes which are formed in the rotor(53) and a plurality of the second perforation holes which are communicated with the first perforation holes.
Patent KR-20010001350-A (KR)
Title: Manual transmission
Inventor: KIM SE CHEOL
IPC: B60K17/00
Filed: 1999-06-03
Abstract: PURPOSE: A manual transmission is provided to interrupt the connection between a clutch and transmission through an additional synchronizing device when shifting, so inertia force resulted from a clutch disc is reduced, the LPG bombe and the durability of a synchronizer are improved. CONSTITUTION: An additional synchronizing device is mounted between a transmission and a clutch(62), and an operation part, which operates the synchronizing device according to the conditions of the clutch and the gearshift, is added, wherein the operation part comprises: an actuator(53) to shift back and forth the synchronizing device; a clutch sensing part(52) to detect the operation of the clutch; a lever sensing part to detect the motion of the lever; a control part(51) to generate the actuator according to the signals of the clutch sensing part and the lever sensing part.
Patent KR-20000006001-A (KR)
Inventor: SHUMENS MARTIN
IPC: H01L21/8242
Filed: 1999-06-08
Abstract: PURPOSE: A method is provided to fabricate a semiconductor substrate having no detective regions therein. CONSTITUTION: The method for fabricating a semiconductor substrate which an oxygen is concentrated in a region adjacent to a surface of, the method comprises the steps of: forming a trench(14) in the surface of the semiconductor substrate(10); and reducing the oxygen concentration in the region adjacent to the surface of the semiconductor substrate(10) after forming the trench(14). The method further comprises reducing the oxygen concentration in the region adjacent to the surface of the semiconductor substrate(10) by heating the semiconductor substrate(10).
Patent KR-19990068665-A (KR)
Title: 측구가일체로형성된연석
IPC: E01C11/22
Filed: 1999-06-09
Abstract: 본 발명은 연석부과 측구부가 일체로 형성된 것에 있어서, 상기 측구부에 배수를 겸하고 동시에 차량 바퀴의 접근을 감응하는 요철부를 형성함으로서 측구의 기본 목적인 배수성을 향상시키고, 동시에 차량 바퀴의 접근을 감응함으로서 종래와 같은 차량측면접촉사고를 사전에 방지할 수 있도록 하는 측구가 일체로 형성된 연석을 제공하는 것으로, 차도와 보도 사이를 경계하는 연석부와 차도의 가장자리에 위치되어 차도의 배수 역할을 하는 측구부가 콘크리트로 일체 성형되는 것에 있어서, 상기 측구부의 표면에 배수 겸 차량 바퀴의 접근을 감응하는 요철부를 형성하고, 이 요철부의 종료지점에서 물을 배수하는 배수홈을 형성하여 구성한 것을 특징으로 한다.
Patent KR-20000006233-A (KR)
Inventor: GITAJAWA GUNIHIRO
IPC: H01L25/075
Filed: 1999-06-17
Abstract: PURPOSE: A plate for the wiring equipment easily mounts a metal plate to a center plate, and enhances a productivity in a manufacturing process. CONSTITUTION: A plate for a wiring equipment includes a mounting part to which a wiring equipment of concave type is mounted. A plate frame covers an aperture of a concave hole formed on a contrast surface. A center plate(20) has an aperture exposing a function plane of the wiring equipment, and is mounted to a front surface of the plate frame. A metal plate(30) has an exposing window exposing a function plane of the wiring equipment, and covers a front surface of the center plate. A plurality of parts(33) are formed on the metal plate, and a plurality of the counterparts connected to the plurality of parts are wired on the center plate. Thereby, a plate for the wiring equipment easily mounts a metal plate to a center plate, and enhances a productivity in a manufacturing process.
Patent KR-20010003192-A (KR)
Inventor: LEE DONG RIM
IPC: H01L23/488
Filed: 1999-06-22
Abstract: PURPOSE: A solder ball assembly structure in a package apparatus is provided to prevent defective assembly and thus improving assembly work. CONSTITUTION: A solder ball assembly structure has a solder ball soldered to a pad of the package apparatus(40) and also formed at the bottom of the package apparatus. A semi-spherical gloove that is depressed by a given depth in a printed circuit board (10) connected to the solder ball is formed. The depressed pad portion(20) is formed of a round shape in the semi-spherical groove. As such, the sunken pad portion with a depth is formed in the printed circuit board, or a projection portion with a height from the surface of the substrate is formed. And the solder ball formed at the bottom of the package apparatus is soldered. Thus, the state in which the package apparatus is assembled to the printed circuit board can be exactly perceived.
Patent KR-20010003426-A (KR)
Title: Stereo camera
Inventor: INABA MINORU
IPC: G03B19/22
Filed: 1999-06-23
Abstract: PURPOSE: A stereo camera is provided to reduce a loss of a screen by reducing a non-overlaid area of a left screen and a right screen. CONSTITUTION: An inter-optical axis distance of a left and a right photographing lens(10L,10R) of a stereo camera is determined at an intermediate point between an inter-optical axis distance(Plmax) in an infinite remote focal position and an inter-optical axis distance(Plmin) in the shortest photographing distance. Photographing ranges of a left screen(PL) and a right screen(PR) corresponds to an intermediate point between leans shifting ranges of the left and the right photographing lenses(10L,10R).
Patent KR-20010005314-A (KR)
Inventor: CHOI JUN GEUN
IPC: G11B19/20
Filed: 1999-06-30
Abstract: PURPOSE: A device for rotating and driving a disc is provided so that errors can be prevented by performing a stable centering operation on the disc. CONSTITUTION: A holder(200) is slidably supported by a bearing at a lower end of a rotation shaft(100). A stator(300) consisting of a core and coil is positioned at the outer surface of the holder(200). A casing(410) is rotated with the rotation shaft(100). A rotor(400) is positioned in the casing(410), and consists of magnets generating an electromagnetic force with the core of the stator(300). A turntable(500) is formed in a single body with the casing of the rotor(400), and provided with a position plate where a disc is positioned in a circumferential direction. A separation preventing cap(600) is disposed at the upper end of the rotation shaft(100), and includes magnets. A guider(700) is slidably disposed between the separation preventing cap(600) and the turntable(500), and performs a centering operation of the disc positioned on the position plate of the turntable(500). Accordingly, focusing and tracking errors can be prevented in a recording and reproduction operation, thereby improving reliability.
Patent KR-20010008688-A (KR)
Inventor: JANG HAK JEON
IPC: C08L25/06
Filed: 1999-07-02
Abstract: PURPOSE: A syndiotactic polystyrene resin composition obtained by applying syndiotactic polystyrene-maleic acid anhydride and hydrogen added styrene/butadiene/styrene-maleic acid anhydride as a rubber component and compatibilizing agent to a syndiotactic polystyrene-containing composition is provided, which has excellent mechanical physical properties and in particular impact resistance. CONSTITUTION: The polystyrene resin composition comprises 50 to 95 parts by weight of syndiotactic polyestyrene, 2 to 20 parts by weight of a hydrogen added styrene/butadiene/styrene block copolymer (SEBS), (C) a hydrogen added styrene/butadiene/styrene-maleic acid anhydride (SEBS-MA), (D) 1 to 10 parts by weight of polyphenyleneoxide (PPO), (E) syndiotactic polyestyren-maleic acid anhydride (sPS-MA), (F) 0.02 to 20 parts by weight of a diamine compound and additionally adding 5 to 30 parts by weight of glass fiber.
Patent KR-20010011083-A (KR)
Inventor: CHOI SEON UNG
IPC: A61L27/00
Filed: 1999-07-26
Abstract: PURPOSE: A regenerated layer of periodontal tissue and its preparation method are provided, which regenerated layer is used for treating periodontitis, is biodegraded and does not need to be removed by operation. CONSTITUTION: The regenerated layer of periodontal tissue comprises heat pressed two layers consisting of(a) a non-woven or scaffold and(b) a scaffold, wherein the non-woven or scaffold(a) which is comprises biodegradable polymers and contains micropores with the mean diameter below 10 micrometers; and the scaffold(b) which comprises biodegradable polymers and contains micropores with the mean diameter of 100-400 micrometers. Preferably the biodegradable polymers are selected from polyglycolide, polylactide, poly(glycolic acid), poly(lactic acid), polydioxanone, poly(trimethylene carbonate), polycaprolactone, poly(olso ester), poly(anhydride), poly(phosphagen), poly(amino acid), cellulose derivatives, poly(saccharide), poly(hydroxybutylate), copolymers thereof and blends thereof.
Patent KR-20010011160-A (KR)
Inventor: OH JEONG HWAN
IPC: G06F3/00
Filed: 1999-07-26
Abstract: PURPOSE: An apparatus for automatically inputting data is provided to automatically provide data to a data processing system instead of a keyboard device when repeatedly inputting data. CONSTITUTION: A switching circuit unit(20) is connected between a keyboard device(120) and a computer system(100) for connecting the computer system(100) and the keyboard device(120) according to a control of a controller(12) or connecting the controller(12) to the computer system(100). A switching circuit unit(20) has the first connector(22) connected with a jack(122) of the keyboard device(120), and is connected with a keyboard port of the computer system(100). A signal input line(24) is connected with a signal line(124) of the keyboard device(100) for providing data inputted from the keyboard device(120) to the controller(12). Data provided to the controller(12) through the signal input line(24) are stored in a memory(14). Data and an input time inputted from the keyboard device(100) are stored in the memory(14). An LCD(16) is installed on an upper surface of a case(30), and displays a data number or a setting menu under a control of the controller(12).
Patent KR-20010011608-A (KR)
Inventor: JUNG HO SEOP
IPC: G01C19/56
Filed: 1999-07-29
Abstract: PURPOSE: A magnetic oscillator and magnetic tuning circuit of a micro gyroscope is provided to simplify a magnetic oscillator circuit part for driving oscillation of a natural frequency of the micro gyroscope in an oscillation mode and automatically make resonant frequencies of the oscillation mode and a sensing mode equal always, thereby reducing manufacturing cost and optimizing the sensing performance regardless of the environmental change. CONSTITUTION: A magnetic oscillator and magnetic tuning circuit of a micro gyroscope includes a magnetic oscillator circuit part(130) for driving oscillation and a detecting circuit part(140) for sensing, wherein the magnetic oscillator circuit part for driving oscillation is formed with a feedback loop for shifting a phase of a voltage corresponding to a capacitance from an electrode for oscillation detection of the micro gyroscope(10) by 360° toward an electrode fixing part for driving oscillation of the micro gyroscope by a phase shifter(133), and the detecting circuit part for sensing detects DC components of a voltage to supply a bias voltage proportional to the DC components to C/V amplifiers(41,42).
Patent KR-20010017258-A (KR)
Title: Underground water deep well incasing pipe cutting apparatus
Inventor: CHO HEUY NAM
IPC: E21B33/04
Filed: 1999-08-09
Abstract: PURPOSE: An underground water deep well incasing pipe cutting apparatus is provided to newly install an additional incasing pipe for grouting purposes, to prevent pollution of underground water in a bedrock aquifer, and to exclude the inflow of polluted surface water during restoring. CONSTITUTION: In an underground water deep well incasing pipe cutting apparatus which comprises a cylindrical pipe (28) provided with an expansion tube (3), an underwater motor (15), a splitting plate fastening cylindrical body (21), a cutter blade (24), an underwater motor (15); a cutter blade (24) is installed an underwater motor (15) aligned and fixed by an expansion tube (3) and a splitting plate (22) is installed on the outer surface of a cylindrical body; an expansion tube (2) of a cylinder shape fixes a cylindrical pipe (28) by a tube band (14) after installing to the outer surface of a cylindrical pipe (28) and a fluid pouring tube (29) is installed inside a cylindrical pipe (28); a splitting plate (22) installed on the outer surface of the underwater motor (15) is in a structure to set a leg (23) apart outward by hydraulic pressure and can use an expansion tube to be expanded on a part of the outer surface; an expansion pipe (42) is inserted through the center of a disk cover (37), where an arc (41) indicated equally to the diameter of an incasing pope (2) of an underground water deep well is described, and connects a handle (43) rotating an expansion pipe (42) to move a contact surface of a cutter blade (24).
Patent KR-20010017958-A (KR)
Inventor: LEE GI JEONG
IPC: C23C8/38
Filed: 1999-08-16
Abstract: PURPOSE: A method for hardening surface of a roll using carbide is provided to obtain higher hardness and superior abrasion resistance and corrosion resistance by carburizing surface of a roll manufactured of iron and steel materials containing carbide forming elements including Cr and Mo, thereby forming carbide in a martensite matrix. CONSTITUTION: A method for hardening surface of a roll using carbide comprises the processes of forming 20 to 80 wt.% of carbide having a depth up to 5 mm from surface of the roll by carburizing a roll manufactured of iron and steel materials containing 0.4 to 1.0 wt.% of C, 0.3 to 1.0 wt.% of Si, 0.5 to 1.5 wt.% of Mn, and 1 to 6 wt.% of Cr at a temperature of 850 to 1050 deg.C for 2 to 100 hours, furnace cooling or slow cooling the carburized roll, obtaining a structure consisting of the carbide and martensite by high frequency hardening or low frequency hardening the furnace cooled or slow cooled roll, and tempering the high frequency hardened or low frequency hardened roll at the temperature range of 150 to 350 deg.C.
Patent KR-20010018666-A (KR)
Inventor: KIM JEONG HA
IPC: A61K8/97
Filed: 1999-08-20
Abstract: PURPOSE: A cosmetic composition containing caryophylli flos extract is prepared for use as sunblock, which is excellent in scavenging free radicals, absorbing ultraviolet ray without allergy. CONSTITUTION: In the cosmetic composition, caryophylli flos is extracted from Eugenia caryophyllata Thunberg, and 0.001-10 wt.% of caryophylli flos extract is incorporated into cosmetic composition. Caryophylli flos is extracted by using one solvent selected from the group consisting of water, methanol, ethanol, acetone, ethyl acetate, 1,3-buthylene glycol, hexane, diethyl ether, normal propanol. iso-propanol, and normal butanol.
Patent KR-20010019498-A (KR)
Inventor: JUNG HYEON HO
IPC: G06F3/03
Filed: 1999-08-27
Abstract: PURPOSE: A touch-panel input system in a miniature terminal is provided to reduce only a part relevant to a layout of a subordinate key pad, and to improve elasticity by operating other kinds of key pads if a layout sticker of the subordinate key pad and relevant key mapping software module are operated together. CONSTITUTION: An X-counter coordinate AD converter(32-1) senses an interrupt generated from a touch pad(31) under the control of relevant interrupt processor, and converts an X-counter resistance value into a digital value. An Y-counter coordinate AD converter(32-2) senses an interrupt generated from the touch pad(31) under the control of relevant interrupt processor, and converts an Y-counter resistance value into a digital value. A stability filter(33) combines an algorithm, and calculates an X-Y coordinate stabilized. A coordinate control filter(34) corrects a relevant value. A key mapping unit(35) compares a coordinate value approved by the coordinate control filter(34) with a layout of a subordinate input device indicated on the touch pad(31). A character input unit(36) indicates a character approved from the key mapping unit(35) on a display device.
Patent KR-20010019629-A (KR)
Inventor: KIM YONG JIN
IPC: A47J31/00
Filed: 1999-08-28
Abstract: PURPOSE: A water drop receiving device for a water bath is provided to prevent water drops left in a vapor hole of a vapor guiding tube from falling down on a heating plate when a heating container is withdrawn from a main body, thereby preventing pollution of the heating container in advance. CONSTITUTION: A water drop receiving device for a water bath includes a rotator(173) rotatably mounted with respect to a supporting hole formed in a main body, a water drop receiving case(174) detachably mounted to the rotator for receiving water drops falling from a vapor condenser, and a rotating element mounted in the main body for rotating the rotator, wherein the rotating element includes a magnetic element(172) mounted at an end of the rotator in the main body, and magnetic elements(171a,171b) mounted in the main body for applying attractive and repulsive force to the magnetic element of the rotator.
Patent KR-19990083973-A (KR)
Title: 광섬유를 이용한 광고시스템
IPC: G09F13/00
Filed: 1999-09-03
Abstract: 본 발명은 광섬유를 이용한 광고시스템에 관한 것으로, 상세하게는 소비전력이 적으면서도 고휘도의 발광력을 갖는 광원(光源)과, 상기 광원을 목적지까지 전반사시켜 전송하는 광섬유(또는 광케이블)를 이용하여 광고물에 표현되는 각종 문자나 도형 및 숫자와 같은 광고문양을 단색 또는 여러가지 색상으로 다양한 변화를 주어 기존의 네온간판이나 각종 광고물(일반간판류, 입간판류, 벽부착 간판류 등)이나 안내표지판(이정표 안내판, 유도판, 버스나 지하철 노선 안내표지판, 교통안내 표지판 등)의 단조로움을 개선하고 더불어 고비용ㆍ저효율의 조명수단을 갖는 기존의 네온간판이나 각종 광고물에 비하여 적은 소비전력으로도 큰 광고효과를 얻을 수 있게 한 것이다.