baber/WOPTO huggingface dataset:
Patent KR-20120111391-A (KR)
Title: Light emitting diode chip and method for the same
Inventor: LEE KYU HO
IPC: H01L33/16
Filed: 2011-03-31
Abstract: PURPOSE: A light emitting diode chip and a manufacturing method thereof are provided to enhance optical extraction efficiency by including an embossed pattern on the surface of a sapphire substrate. CONSTITUTION: A light emitting diode is formed on one surface of a sapphire substrate(110). The light emitting diode comprises a semiconductor structure layer(120), pads(140), and bumps(150). The pads are formed on the semiconductor structure layer. The bumps are formed on the pads. A laser groove line is formed on the rear surface of the sapphire substrate using a laser beam. An embossed pattern is formed by etching the rear surface of the sapphire substrate with a mixture of phosphoric acid and sulfuric acid. The sapphire substrate is divided.
Patent KR-20120111533-A (KR)
Title: Cleaning composition for photolithography
Inventor: OH SEUNG KEUN
IPC: G03F7/42
Filed: 2011-04-01
Abstract: PURPOSE: A washing liquid composition for photolithography is provided to cure the surface of patterns and to prevent photo-resist patterns from being collapsed. CONSTITUTION: A washing liquid composition for photolithography includes an acidic monomer compound represented by chemical formula 1 and a solvent. In chemical formula 1, R is respectively a hydrogen atom, a hydroxyl group, a methyl group, a sulfonic acid group, or an amine group; and n is the integer of 1 to 10. The content of the acidic monomer compound is in a range between 0.001 and 5 weight%, and remaining amount of the composition is the solvent. The composition further includes a surfactant.
Patent KR-20120085632-A (KR)
Title: Image sensor with anti-reflection layer and method of manufacturing the same
Inventor: WANG TZU JUI
IPC: H01L27/146
Filed: 2011-04-11
Abstract: PURPOSE: An image sensor including an anti-reflection layer and a manufacturing method thereof are provided to improve the quantum efficiency of the image sensor by forming a silicon germanium layer with a low energy bandgap. CONSTITUTION: A substrate(302) is formed on a carrier wafer(304) with an insulation layer(306). The insulation layer includes a pixel area(102), a logic area and/or a plurality of metal lines(308). The insulation layer comprises an interlevel dielectric and/or intermetal dielectric layer. A silicon germanium layer(312) is formed on the substrate. An antireflection layer(314) is formed on the silicon germanium layer.
Patent KR-20120115829-A (KR)
Title: An apparatus to correct swaying and heading-up for practice golf shots
Inventor: KANG WHOA SEUG
IPC: A63B69/36
Filed: 2011-04-11
Abstract: PURPOSE: A posture correction and head-up prevention apparatus for practicing golf is provided to automatically correct the posture of a user practicing golf. CONSTITUTION: A posture correction and head-up prevention apparatus for practicing golf comprises the following: a shielding member(100) blocking the front view of a user; eye-line inducing holes punched on the shielding member for focusing the eye line of the user; and a wearing member(200) fixing the shielding member to the body of the user. Eye-line adjusting members with hollow holes are fitted to the eye-line inducing holes.
Patent KR-20120124237-A (KR)
Title: Sabonius blade assembly of vertical axis wind turbine
IPC: F03D11/00
Filed: 2011-05-03
Abstract: PURPOSE: A Savonius blade assembly for a vertical-axis wind turbine is provided to constantly maintain the rotary speed as a lower blade unit is obliquely formed. CONSTITUTION: A Savonius blade assembly for a vertical-axis wind turbine comprises blade unit members(100). The blade unit member comprises a pair of blade units(110) and a cylindrical unit(120). The width of the blade unit is gradually reduced from a center blade part(111) to an end blade part(112). The end blade part is distorted at 1~45 degrees to a center axis which vertically penetrates the cylindrical unit. The cylindrical unit is coupled to joining planes(121) protruding from the upper and lower sides by joining members(130). The blade units are integrally connected to the left and right sides of the cylindrical unit. The blade unit members are stacked, and connected by the joining members.
Patent KR-20120124659-A (KR)
Title: A breeding method of protaetia breviitarsis, protaetia breviitarsis using the same, extracts from the same, a pharmaceutical composition for prevention or treatment of liver disease and health functional foods comprising the same as an effective component
IPC: A23K1/18
Filed: 2011-05-04
Abstract: PURPOSE: A growing method of Protaetia brevitarsis, a pharmaceutical composition for preventing or treating liver disease, and health functional food are provided to use a Protaetia brevitarsis extract as an active ingredient for the composition and the food. CONSTITUTION: A growing method of Protaetia brevitarsis uses mixed feed containing less than 15wt% of fermented aloe vera. The fermented aloe vera is obtained by decomposing aloe vera powder using cellulose-decomposing bacteria less than 2 months. The cellulose-decomposing bacteria are obtained from excretion of Protaetia brevitarsis larvae.
Patent KR-20120125898-A (KR)
Title: Electrochemical biosensors using ascorbic acid phosphate
IPC: G01N27/30
Filed: 2011-05-09
Abstract: PURPOSE: An electrochemical biosensor using ascorbic acid phosphate is provided to generate an ascorbic acid having a rapid electrode reacting speed by a phosphate enzyme reaction so that a large signal-to-background ratio can be obtained even with an tin oxide electrode for which a background current is small and an electrocatalyst property is bad. CONSTITUTION: An electrochemical biosensor using ascorbic acid phosphate comprises a metal oxide electrode(12), a phosphatae enzyme, and an ascorbic acid phosphate(13). The metal oxide electrode is formed based on an tin oxide electrode. The tin oxide electrode does not include a metallic catalyst or electron transport medium. The phosphatae enzyme is connected to the electrode. The ascorbic acid phosphate is activated as an ascorbic acid(14) by the phosphate enzyme. The existence or concentration of a biomolecule is measured by using signals by an electrochemical reaction of the ascorbic acid.
Patent KR-20120126361-A (KR)
IPC: A61F5/34
Filed: 2011-05-11
Abstract: PURPOSE: A belt for treating disc is provided to facilitate installation of a rubber band according to a production of a belt by improving an interlocking element and to prevent cutting of a rubber band generable during repeating shrinkage and extension of a belt. CONSTITUTION: A belt for treating disc(100) comprises: a front sheet consisting of a joint sheet on an urethane outer skin and a urethane sheet contacting with the adhesive sheet; a back sheet consisting of a joint sheet on an inner skin and a back sheet contacting with the joint sheet; an interlocking element inserted between the front sheet and the back sheet; a rubber band giving tension to a belt at shrinkage and extension by connecting the interlocking elements each other; a high frequency joint part formed according to high-frequency adhesion of the front sheet and the rear sheet; and an air passage formed along the edge of the high frequency joint part.
Patent KR-20120126716-A (KR)
Title: 반도체 소자의 패턴 형성 방법
IPC: H01L21/027
Filed: 2011-05-12
Abstract: 본 발명은 반도체 소자의 패턴 형성 방법에 관한 것으로, 특히 한번의 마스크 공정만으로 DPT 공정과 같은 미세패턴을 구현할 수 있으며, DPT 공정시 실시되는 두번의 마스크 공정에 의해 발생되는 오정렬 문제를 방지하여 패턴의 균일도를 향상시킬 수 있다. 또한, 근접 필드 이미지(near filed image)만을 사용하므로 이머젼 장비와 같은 값비싼 장비를 사용하지 않아도 되므로 공정 비용을 절감할 수 있는 기술이다. 
본 발명에 따른 반도체 기판 상부에 제 1 패턴을 형성하는 단계와, 제 1 패턴을 포함하는 상기 반도체 기판 상부에 감광막을 도포하는 단계와, 감광막에 대해 블랭크 노광을 진행하는 단계와, 노광된 감광막을 현상하여 상기 제 1 패턴의 일부를 노출시키는 감광막 패턴을 형성하는 단계와, 감광막 패턴을 식각 마스크로 상기 제 1 패턴을 식각하여 제 2 패턴을 형성하는 단계을 포함하는 것을 특징으로 한다.
Patent KR-20110128241-A (KR)
Title: Method for manufacturing semiconductor device
Inventor: YAMAZAKI SHUNPEI
IPC: H05B44/00
Filed: 2011-05-18
Abstract: PURPOSE: A method for manufacturing a semiconductor device is provided to improve the instability of an electric property before and after a bias-thermal stress test by dehydrogenating an oxide semiconductor layer through a thermal process. CONSTITUTION: A gate isolation layer(402) is formed on a gate electrode layer. An oxide semiconductor layer is formed on the gate isolation layer to be overlapped with the gate electrode layer. The temperature of the oxide semiconductor layer is raised under inactive gas, dry air or oxygen atmospheres. The oxide semiconductor layer is thermally processed under the oxygen atmosphere. The oxide semiconductor layer is dehydrogenated through a thermal process under decompression. A source electrode layer(405a) and a drain electrode layer(405b) electrically connected to the oxide semiconductor layer are formed. An insulation layer is formed on the oxide semiconductor layer, the source electrode layer, and the drain electrode layer.
Patent KR-20120045995-A (KR)
Title: Led metal signboard
Inventor: LEE MIN KYU
IPC: G09F13/22
Filed: 2011-05-28
Abstract: PURPOSE: An LED metal sine board is provided to express various images by forming a plurality of fine-holes on a metal panel and passing through light emitted from an LED through the plurality of fine-holes. CONSTITUTION: An LED module unit(140) is arranged as one or more shapes including letter, figure, pattern, and symbol within a base frame(120). A plurality of fine-holes(162) is formed in a location corresponding to the section in which LED module unit is arranged. The plurality of fine-holes is formed by adding laser beam to metal for a metal front panel. The diameter of the fine-hole is less than 3mm. The metal front panel is combined on the front side of the base frame. A controller controls a direction state of the LED module unit. The upper side of the base frame is opened.
Patent KR-20120004326-A (KR)
Title: Folding chair
Inventor: SHIBATA SHIGEKI
IPC: A47C4/28
Filed: 2011-06-15
Abstract: PURPOSE: A foldable chair is provided to improve transferability by supporting a seating part using a foldable leg part and including a handrail part composed of a main body, a rotary shaft part, and a locking unit. CONSTITUTION: A leg part(100) is capable of being folded. A seating part(211) is supported by the leg part. A handrail part(300) is composed of a main body, a rotary shaft part, and a locking unit. The rotary shaft part is installed at the rear side of the leg part and supports the longitudinal first end part of the main body to be rotatable. The locking unit is installed at the longitudinal second end part of the main body. The locking unit is detachably locked to the front side of the leg part in an un-folded state.
Patent KR-20130000690-A (KR)
Inventor: YU CHEOL GOOG
IPC: H02G1/12
Filed: 2011-06-23
Abstract: 본 발명은 꼬임선 풀기장치에 관한 것으로, 본체; 상기 본체의 정면 일측에 구비하고, UTP 케이블의 피복을 제거하는 피복 탈피부; 및 상기 본체의 정면 타측에 구비하고, 피복을 제거한  UTP 케이블의 꼬임선을 풀기 위한 꼬임선 풀기부를 포함하며, 상기 꼬임선 풀기부는 정면 타측에 형성하고 상면에 길이방향으로 연결홈과 연결홈으로부터 수직으로 형성한 걸림홈을 형성한 실린더, 상기 실린더 내부에 슬라이딩 이동 가능하게 구비하고, 실린더의 입구를 마감하여 실린더의 내부로 삽입하는 꼬임선을 압입 고정하는 피스톤부, 실린더의 후방에 구비하고 피스톤부를 실린더의 입구 방향으로 이동하도록 탄성력을 제공하는 탄성부, 및 연결홈 또는 결림홈으로 이동함에 따라 피스톤부를 이동시키거나 또는 걸려서 고정하는 레버를 포함한다.
Patent KR-20130001901-A (KR)
Title: Orgainc-inorganic composite, touch panel display device comprising the orgainc-inorganic composite and manufacturing method of the same
Inventor: KIM JU HYUK
IPC: C08J5/18
Filed: 2011-06-28
Abstract: PURPOSE: An organic and/or inorganic composite material is provided to prevent damages of a touch display due to excellent hardness, and to reduce process time. CONSTITUTION: An organic and/or inorganic composite material includes 5-30 parts by weight of benzocyclobutene, 10-70 parts by weight of a silica containing material, 5-20 parts by weight of a solvent, and 1-10 parts by weight of an additive. A touch panel display device includes: a display panel; a routing electrode, a connection pattern and a first bridge electrode placed on the display panel; an insulating membrane which consists of organic and/or inorganic composite; a contact electrode which and a second bridge electrode which is located on the insulating membrane and connected to the connection pattern; and a first electrode and a second electrodes which are connected to the first and the second bridge electrode respectively.
Patent KR-20130005046-A (KR)
Inventor: LEE JUM BACK
IPC: B27K3/16
Filed: 2011-07-05
Abstract: 태블릿 피씨용 케이스가 개시된다. 본 고안은 태블릿 피씨가 수납되는 수납부; 상기 수납부의 일측에 연결되며 상기 태블릿 피씨의 액정화면을 보호하도록 덮혀지는 메인커버; 상기 수납부와 상기 메인커버를 연결하는 제1연결부; 상기 메인커버의 일측에 연결되어 메인커버의 외면에 덮혀지는 엔드커버; 상기 메인커버와 엔드커버를 연결하는 제2연결부;를 포함하고, 상기 수납부의 후면 일측에는 상기 엔드커버의 끝단이 삽입되는 삽입홈이 형성되어 엔드커버가 수납부의 삽입홈에 결합되어 연결부와 메인커버가 경사각을 갖도록 한 것이다. 
이에 따르면 엔드커버를 뒤로 젖혀 수납부의 후면에 결합시켜 태블릿 피씨의 사용에 적합한 경사각을 갖도록 하여 사용이 편리하고, 구성이 간결하며, 제조공수를 절감할 수 있는 효과가 있다.
Patent KR-20130005963-A (KR)
Title: Lighting device
Inventor: MIN BYEONG GUK
IPC: F21V17/02
Filed: 2011-07-08
Abstract: PURPOSE: A lighting device is provided to maximize usage range by an illumination range and an illumination direction. CONSTITUTION: A lighting device(100) comprises a drive part(110), a body part(120), a light emitting module part(130), and a cover part(140) which is combined with the lower part of the drive part. The drive part is located on the body part and can be electrically connected to the light emitting module part. The drive part can include multiple parts for power control. The body part can be arranged under drive part. The light emitting module part comprises at least one LED and a LED housing substrate.
Patent KR-20130006133-A (KR)
Title: Method for producing fiber and fabric with heating, heat-retaining and heat storage function
Inventor: KIM YOUNG SOO
IPC: D06M11/78
Filed: 2011-07-08
Abstract: PURPOSE: A method for fabricating a functional fiber or fabric with heat insulation, heat emission, and heat storage functions is provided to easily and cheaply obtain the fiber and fabric. CONSTITUTION: A method for fabricating a fiber or a fabric comprises: a step of dispersing a carbon material of carbon black, carbon fiber, carbon nanofiber, or carbon nanotube in the water, an organic solvent, or a mixture thereof and preparing a dispersion solution; a step of applying the dispersion solution on the fiber or fabric by a spraying, dipping, scattering, or transferring method; and a step of drying the fiber or fabric. The carbon material is applied together with titanium dioxide, zinc oxide, alumina, zirconia, or silica. The fiber or fabric is a cotton, silk, wool, polyester, nylon fiber, or acryl fiber or fabric.
Patent KR-20130007931-A (KR)
Title: Illuminating member and illumination device including the illuminating member
Inventor: LEE DONG HYUN
IPC: F21V5/04
Filed: 2011-07-11
Abstract: PURPOSE: A lighting member and a lighting device including the lighting member are provided to reduce light flux by patterning a micro lens array on a transparent plate. CONSTITUTION: A lighting device includes an optical source unit(110), a diffusing unit(120), and a light collecting unit(130). The optical source unit includes a light source and a frame for mounting the light source. The optical source unit has a flat pattern. The optical source unit adheres to a surface for emitting a light of a light source unit. The diffusing unit is formed on a sheet or a substrate diffusing light. The diffusing unit diffuses light incident through a surface.
Patent KR-20130008816-A (KR)
Title: Multiple band filter using frequency selective surfaces
Inventor: LEE YONG KEUN
IPC: H01P3/08
Filed: 2011-07-13
Abstract: PURPOSE: A multi-band filter using frequency selective surfaces is provided to selectively pass or block multi-band frequencies about transmission signals by integrating multiple frequency selective surface cells having different resonant frequencies on a microstrip transmission line. CONSTITUTION: A dielectric substrate has a ground pattern in the rear side thereof. A microstrip transmission line(13) is formed on the top of the dielectric substrate and transmits transmission signals. Multiple frequency selective surface cells are inserted in the microstrip transmission line in a single body and pass or block the transmission signals of different specific frequencies.
Patent KR-20130010625-A (KR)
Inventor: KIM JUNG HYUN
IPC: H04N21/431
Filed: 2011-07-19
Abstract: 본 발명에 따른 부가 정보 서비스 제공 장치 및 방법은, 예를 들어, 셋탑 박스 사용자가 설정한 알람 시간, 취침 시간, 방송 시청 시간 등과 같은 특정 시간이 되면, 사용자의 스케줄 정보와, 날씨 정보, 교통 정보, 재난 정보 등과 같은 부가 정보를, 방송 스트림 내에서 검색하거나, 콘텐츠 제공 서버와의 인터페이스를 통해 요구 및 수신하여 획득한 후, 텔레비전과 같은 외부 연결기기를 통해 출력하거나, 셋탑 박스에 자체적으로 구비된 프론트 디스플레이 또는 스피커를 통해 여러 방식으로 출력하여, 사용자가 원하는 다양한 부가 정보들을 효율적으로 제공할 수 있게 된다.
Patent KR-20130013983-A (KR)
Title: Parking assistance apparatus provided with automatic parking mode selection and method thereof
Inventor: SHIN IK SU
IPC: B60W40/02
Filed: 2011-07-29
Abstract: PURPOSE: A parking assist system is provided to select an automatic parking mode and to automatically determine a parking state. CONSTITUTION: A parking assist system which is able to select an automatic parking mode comprises: an image acquiring unit(100), a parking lot searching unit(200), a distance sensing unit(300), and a control unit(400). The image acquiring unit obtains an external image of a car. The parking lot searching unit detects a target parking lot referring to the external image. The distance sensing unit senses the size of an outside obstacle. The distance sensing unit is an ultrasonic wave sensor, a laser range finder, or a laser scanner. [Reference numerals] (100) Image acquiring unit; (200) Parking lot searching unit; (300) Distance sensing unit; (400) Control unit
Patent KR-20120031872-A (KR)
Title: Glass substrate defect inspection device and glass substrate defect inspection method
Inventor: ARAKI MASAKI
IPC: H01L21/66
Filed: 2011-08-22
Abstract: PURPOSE: A glass substrate defect inspecting device and an inspection method thereof are provided to reduce or remove bouncing phenomenon and steadily perform an inspection by reducing the corrected amount during the inspection. CONSTITUTION: A glass substrate(100) comprises a lifting device, a transfer device, and an optical inspection device. The lifting device lifts up a glass substrate(P) using air. The transfer device transfers the glass substrate to an inspection area where the lifting device is absent. The optical inspection device takes a picture of the glass substrate, thereby performing an inspection. A glass substrate defect inspecting device comprises a reduction device. The reduction device reduces the displacement caused by the bouncing of an end part of the glass substrate toward a transferring direction.
Patent KR-20130021611-A (KR)
Title: Assisting device for taking off shoes
Inventor: LIM JONG HYUK
IPC: A47G25/84
Filed: 2011-08-23
Abstract: PURPOSE: An auxiliary device for taking off shoes is provided to enable a user to easily take off shoes. CONSTITUTION: An auxiliary device for taking off shoes comprises a footstool(110) on which shoes are placed, a first support unit(120) which adheres closely to one end of shoes, a second support unit(130) which pressurizes the other end of the shoes, a shoes sensor(140) which is formed in at least one of the footstool, first support unit, and second support unit and senses whether shoes are placed between the first support unit and second support unit, and a drive unit which moves at least one of the first support unit and second support unit in the longitudinal direction of shoes.
Patent KR-20110102858-A (KR)
Inventor: CHOI JUNG GU
IPC: B05B17/08
Filed: 2011-08-30
Abstract: 본 발명은 분수노즐로부터 분출되어 블럭 위로 떨어진 물을 블럭에 구비된 필터 구조를 통해 블럭 하부의 저수조로 원활하게 배출시킴으로써 물의 순환이 정상적으로 이루어져 분수의 기능을 유지할 수 있는 바닥분수의 바닥시공용 블럭과, 상기 블럭을 이용하여 바닥이 넓고 높이가 낮은 새로운 캔들(candle) 형태의 분수 연출을 구현할 수 있는 여과 분수장치를 제공하는데 있다.    
본 발명의 바닥분수의 바닥시공용 블럭은, 상판에 상부구멍이 형성되고 하판에 하부구멍이 형성된 속이 빈 사각 판형상의 블럭케이스와, 상기 블럭케이스 내에서 상부구멍을 막도록 설치되고 상부구멍을 통해 외부로 노출된 필터부재와, 상기 블럭케이스의 하판에 설치되어 하부구멍을 막는 타공판으로 구성되고, 본 발명의 여과 분수장치는, 상기 필터부재의 하면에 분출구가 위치되도록 설치된 분수노즐과, 상기 필터부재 하부의 타공판에 설치되고 필터부재 하부에서 상부로 광을 조사하는 복수개의 램프가 설치된 램프조립체를 더 구비하여 구성된다.
Patent KR-20120084647-A (KR)
Title: Shift control system
Inventor: MATSZAKI YUSHI
IPC: F16H61/04
Filed: 2011-09-09
Abstract: PURPOSE: A shift control system is provided to save energy by changing of speed of rotation power from an engine and outputting it. CONSTITUTION: A transmission(2) changes of speed of rotation power from an engine and outputs it. A shift control unit(6) establishes a gear ratio of the transmission. An engine control unit(5) establishes revolution per minute of the engine. Manipulators(90, 91) transmit an operation command by the manipulation of an operator. The manipulators transmit a return operation command. A shift control system adds a reduction command of the revolution per minute of the engine to the engine control unit based on the operation command. The shift control system adds a gear ratio change command to the shift control unit.
Patent KR-20130029486-A (KR)
Title: 열변환부재를 포함한 유도가열 발열체
Inventor: KIM SUNG YIL
IPC: H05B6/36
Filed: 2011-09-15
Abstract: 본 발명은 중공의 발열관과 상기 발열관의 외주면에 권선되는 외부 유도코일을 포함하고, 열매체를 상기 발열관으로 통과시켜서 가열하는 유도가열 발열체에 있어서, 발열관의 중심부에 길이방향을 따라 설치되어 발열관의 내부의 중심부 영역에 설치되는 중심부재 및 중심부재의 외주 또는 내외주에 설치되는 가열부재를 포함하는 열변환부재를 포함하는 것을 특징으로 하는 열변환부재를 포함한 유도가열 발열체에 관한 것이다. 
본 발명에 따르면, 본 발명은 열매체를 효과적으로 가열함으로써 이로서 내열온도가 낮은 유도코일 또는 단열재 등을 사용하여서 제조단가를 낮추고 또한 전력사용량을 줄일 수 있는 절전형 유도가열 발열체를 제공한다.
Patent KR-20130030511-A (KR)
Title: Apparatus and method for simultaneously transmitting data in heterogeneous network
Inventor: JANG JEA SEONG
IPC: H04W48/18
Filed: 2011-09-19
Abstract: PURPOSE: A service method for simultaneously transmitting data based on heterogeneous networks and a device therefor are provided to supply a simultaneous transmission service based on a network selection policy corresponding to designated subscriber type information when data transmission is resumed within set time. CONSTITUTION: A policy setting unit(110) sets a data transmission ratio for each of two or more connection networks based on a network selection policy corresponding to subscriber type information of a terminal device. When malfunction occurs in one of the connection networks, the policy setting unit converts the data transmission ratio set in the connection network into data transmission ratios of other networks. A control unit(120) selects partial data from transmission target data based on the set data transmission ratios. A communication unit(130) divides and transmits the selected partial data through the connection networks. [Reference numerals] (110) Policy setting unit; (120) Control unit; (130) Communication unit
Patent KR-20130033104-A (KR)
Inventor: KIM DO KOON
IPC: G06Q30/06
Filed: 2011-09-26
Abstract: PURPOSE: A mobile phone rental service system and a method thereof are provided to supply sufficient time for renting a rental phone by renting the phone in accommodations. CONSTITUTION: An accommodation sever(10) is installed in a plurality of accommodations(11-16) providing a rental phone with return place information to customers. Branch office servers(21,22) for phone rental provide the rental phone to the accommodations. A credit card company server(30) charges the rental phone with prepaid charges. A communication service server(40) provides a communication service. A main office server(50) for phone rental manages requests for the opening processing of the rental phone, transmits use record information and prepaid charge information, and manages return information of a delivery company and rental information of the rental phone. [Reference numerals] (11) First accommodation(server); (12) Second accommodation(server); (13) Third accommodation(server); (14) Fourth accommodation(server); (15) Fifth accommodation(server); (16) Sixth accommodation(server); (21) First branch server; (22) Second branch server; (30) Credit card company server; (40) Communication service server; (50) Main office server; (AA) Rental phone; (BB,DD) Delivery(parcel service); (CC) First delivery company; (EE) Second delivery company;