baber/WOPTO huggingface dataset:
Patent KR-20070121531-A (KR)
Title: Arrangement for fastening a dental prosthesis to a male bar
Inventor: AUDERSET ADRIAN
IPC: A61C13/12
Filed: 2007-06-19
Abstract: A tool for fastening a dental prosthesis to a male bar is provided to fix an insert firmly in a female housing by forming recessed portions combined with protruded portions of the insert, at the female housing. A tool for fastening a dental prosthesis to a male bar is composed of a female housing(10) connected to the dental prosthesis and at least two inserts(20) inserted into the female housing to regulate force for holding the female housing at the male bar and extended over the male bar in attaching the female housing to the male bar. The female housing formed as one piece has a plurality of adjacent basic housing elements. The inserts are inserted into all basic housing elements.
Patent KR-20070120896-A (KR)
Title: Manufacturing method of wiring substrate
Inventor: NAKABAYASHI YOKO
IPC: H05K3/34
Filed: 2007-06-19
Abstract: A method of manufacturing a wiring substrate is provided to apply solder powders on a surface of a flip-chip pad by using the solder powder which is smaller than the solder powder applied on an adhesive layer of a metal surface. A bonding pad(14) and a flip-chip pad(12) are arranged on a board to be parallel to each other. The board is submerged into the first adhesive process solution which contains adhesive chemicals and has a pH value adjusted to form adhesive layers at both surfaces of the flip-chip pad and the bonding pad. A solder powder is applied to the adhesive layer formed on the pads. The board is submerged again into the second adhesive process solution which contains chemicals reacted on a metal surface and has a pH value adjusted to form the adhesive layer on the flip-chip pad while peeling the adhesive layer from the bonding pad. The solder powder(18) is applied on the adhesive layer(16) of the flip-chip pad, and a reflow process is performed, to melt the solder powders on the flip-chip pad.
Patent KR-20080004348-A (KR)
Title: Medium handling device
Inventor: SUETAKA MICHIO
IPC: G07D11/00
Filed: 2007-06-19
Abstract: A medium handling device is provided to put a medium in order even though the size of the medium is different, by using an elastically transformable relaxation member. According to a medium handling device dispensing a medium to an integrated part(23) one by one and ordering the dispensed medium along the dispense direction, a collision member stops the dispense of the medium as the dispensed medium collides. A buffer is formed to be able to move as facing with the collision member, and can be elastically transformed. The buffer is elastically transformed along the dispense direction of the medium.
Patent KR-20080114376-A (KR)
Title: Apparatus and method for generating mac pdu in mobile communication system
Inventor: LEE DO YOUNG
IPC: H04L29/06
Filed: 2007-06-27
Abstract: An apparatus for generating MAC(Media Access Control) protocol data unit capable of reducing size of MAC header in mobile communications system and method thereof are provided to generate a MAC header having a size of a predetermined length field according to a LCID(Logical Channel IDentification). A method for generating MAC protocol data unit capable of reducing size of MAC header in mobile communications system comprises the following steps: a step for confirming a LCID of a MAC SDU(Service Data Unit) for multiplexing(502); a step for setting up a size of a length field about each MAC SDU by confirming a size of a predetermined length field according to each LCID(504); and a step for generating a MAC header having the LCID and the predetermined length field about each MAC SDU(508).
Patent KR-20090001119-A (KR)
Title: Method for pulse driving x-ray generation apparatus
Inventor: OH JUN YONG
IPC: H05G1/10
Filed: 2007-06-29
Abstract: A pulse fluoroscopy driving method of an X-ray generator is provided to obtain many X-ray images in a short time by increasing the frequency of the pulse and response speed. An X-ray tube is supplied with tube current to a pulse shape. A cathode tube part and an anode tube part of the X-ray tube are supplied with tube voltage(VRMS,e) of a pulse shape. The tube current higher than the X-ray generation tube current is synchronized to the falling edge of the tube voltage and is supplied for a certain time. In the low level section of the pulse shape, the tube voltage maintains the voltage of 30%-80% comparing to the voltage of the high level section generated the X-rays.
Patent KR-20090004216-A (KR)
Title: System and method for classifying named entities from speech recongnition
Inventor: KIM SUNG KI
IPC: G10L15/06
Filed: 2007-07-06
Abstract: A statistical classification system and a method thereof about the voice recognition of a lexical analyzer are provided to improve the performance about voice recognition and meaning classification of Korean language and to stabilize the size of a dictionary. A voice recognition part(10) classifies the inputted speech signal into the extracted Text Corpus by a paragraph unit. A lexical analyzer(20) divides the classified text corpus into a morpheme unit. A mapping part(30) groups each morpheme into a keyword by introducing grouped one conceptual dictionary the word in which the meaning phase concept is identical. A meaning classifying part(80) automatically allocates the keyword to a vector generated in a meaning classifying apparatus based on a statistics.
Patent KR-20080013810-A (KR)
Title: Image heating apparatus
Inventor: ITO YOSHIKUNI
IPC: G03G15/20
Filed: 2007-08-08
Abstract: An image heating apparatus is provided to prevent the reduction of the lifetime of a heating rotation member and to prevent non-uniform polishing on an image. A fusing apparatus(130) as an image heating apparatus has a fusing roller(1) as a heating rotation member for heating an image on recording materials. A compression roller(2) as a rotatable compression rotation member forms a nip portion(N3) by contacting with the fusing roller. The fusing roller heats by a heat source(15) provided therein and the recording materials containing the toner image are carried into a fusing nip portion so that the toner image is fused on the recording materials. The fusing apparatus has a rotatable refresh roller(3) as a friction member for recovering the surface characteristics of the fusing roller through the surface friction of the fusing roller.
Patent KR-20090017780-A (KR)
Inventor: HONG JUNG SUK
IPC: A01M7/00
Filed: 2007-08-16
Abstract: 본 발명은 물통(약통)(1)을 형성하는 바닥면(8)의 일측으로 단턱진 배수유도요홈(10)을 형성시킨 구조의 물통(1) 저면부에 압풍통(19)과 송출수모터(17)를 설치하는 기계실(2a)을 형성시킨 구조의 받침통(2)을 착설시켜 결합 구성한 방역 및 농약분무기에 관한 것으로, 송출수모터(17)에 의하여 송출되는 물통(1)의 유체(약물)를 압풍통(19)의 풍압에 의해 작용되는 강력한 분무력을 이용하여 분무량과 분무강도를 조절하면서 유체(약물)가 막히는 일이 없이 적은 힘으로 보다 넓은 지역으로 골고루 신속하게 뿌려지도록 하며, 조립된 결합부를 용이하게 분리하고 탈이하여 휴대보관 및 사용을 간편하게 할 수 있는 것임.
Patent KR-20080028761-A (KR)
Title: Machining method of printed circuit boards and printed circuit board machining apparatus
Inventor: KADO HIROFUMI
IPC: H05K13/00
Filed: 2007-08-20
Abstract: A machining method of a printed circuit board and a printed circuit board machining apparatus are provided to improve precision of a hole depth by compensating for a cut depth of a tool according to temperature rise of a principal axis unit. A machining method of a printed circuit board includes the steps of: previously obtaining a relationship between a driving time of a spindle and an axial direction displacement amount of a front end of a tool held on the spindle at each rotation number of the spindle; and compensating for a cut depth of the tool as much as the previously obtained displacement amount based on the rotation number of the spindle set for machining and an elapsed time after starting the machining.
Patent KR-20080073195-A (KR)
Title: Bidirectional measuring z-axis accelerometer
Inventor: KIM SUNG WOOK
IPC: G01P15/08
Filed: 2007-08-22
Abstract: A bidirectional z-axis accelerometer is provided to decrease a manufacturing cost of the z-axis accelerometer by measuring a Z-axis acceleration in both directions by using a comb with a half step difference structure. A bidirectional z-axis accelerometer includes first and second electrodes(331,332). The first electrode is arranged on first and second regions on a board and moved in upward and downward directions according to an applied Z-axis acceleration. The second electrode is fixed on the board with a predetermined distance from the first electrode. One end of the second electrode is arranged to be parallel to the first electrode. The second electrode is protruded more than the first electrode in the first region. In the second region, the second electrode is protruded less than the first electrode. The Z-axis acceleration is detected by using a variation of a capacitance, which is changed by an overlap area between the first and second electrodes.
Patent KR-20090021552-A (KR)
Title: Apparatus for processing a thin film on substrate
Inventor: LEE YONG HYUN
IPC: H01L21/20
Filed: 2007-08-27
Abstract: An apparatus for processing thin film of the substrate is provided to increase the deposition rate and perform the evaporation process at the state of the high density. A gas injector(52) is positioned at the top of the chamber(50) and the reaction gas is flowed in. A gas distribution plate(60) comprises a plurality of spray holes(62) for spraying the reaction gas flowed into the chamber to the lower part. The first and the second electrodes(P1,P2) are arranged at the lower-part of the gas distribution plate. An insulator(64) is arranged at an interval between the gas distribution plate and the first electrode, and an interval between the gas distribution plate and the second electrode. A stage(70) is arranged at the lower part of the second electrode and the first electrode and accommodates the substrate. The first and the second voltage sources(G1,G2) supply the high voltage to the first electrode and the second electrode.
Patent KR-20090021766-A (KR)
Title: Magnetic nano complex and manufacturing method thereof
Inventor: KANG MUN SUK
IPC: B82B3/00
Filed: 2007-08-28
Abstract: A magnetism nano composite production method is provided to have excellent non-specific bonding of the biomass and water-soluble property by bonding magnetic nano particle having a first functional group in silica surface having a second functional group. A magnetism nano composite production method comprises steps of: introducing amine radical(112) at surface of magnetic nano particle(121); introducing carboxyl group(113) in surface of silica particle; and forming imide binding between the amine radical and the carboxyl group and chemically bonding the silica particle and magnetic nano particle.
Patent KR-20090022123-A (KR)
Title: Water purifier including filter attached cock
Inventor: CHO MIN JE
IPC: B01D35/00
Filed: 2007-08-29
Abstract: A water purifier including a filter attached to a cock is provided to remove microorganism lastly before the water is supplied to a user. A water purifier including a filter attached to a cock includes the followings. A storage tank(20) stores purified water. A cock(70) ejects the purified water in the storage tank to outside. A sterilizing filter(50) can be attached and detached on a portion of the cock. One of the cock and the filter is a female screw, and another is a male screw.
Patent KR-20090022332-A (KR)
Title: Capacitor with dielectric layer cotained strontium and titanium and method for fabricating the same
Inventor: KIL DEOK SIN
IPC: H01L27/108
Filed: 2007-08-30
Abstract: A capacitor with a dielectric layer containing strontium and titanium and a manufacturing method thereof are provided to secure high dielectric constant and low leakage current by forming a zirconium oxide layer between the dielectric layer with the strontium and the titanium and a bottom electrode. A bottom electrode(101) is formed in an upper part of a substrate. A first dielectric layer(102) is formed on the bottom electrode. A second dielectric layer(103) containing Sr and Ti is formed by using the first dielectric layer as a seed layer. The substrate is annealing-processed for crystallizing the second dielectric layer. A top electrode(104) is formed on the crystallized second dielectric layer. The first dielectric layer is composed of the dielectric layer with larger energy band gap than the second dielectric layer. A third dielectric layer with the larger energy band gap than the second dielectric layer is formed between the second dielectric layer and the top electrode.
Patent KR-20090024540-A (KR)
Title: Auto welding system
Inventor: JANG SUNG CHUL
IPC: B23K37/00
Filed: 2007-09-04
Abstract: An automatic welding system is provided to improve the productivity by automating the movement and welding process of the welding object. An automatic welding system comprises: a plurality of tables in which a welding object is to be put(11,12,13, and14); a transport unit(20) for one-way transferring the tables in a straight line; a gantry(31) installed across the transport unit; a manipulator(32) installed in the gantry and including a welding rod(33) to be movable; and a control device for controlling the operation of the manipulator, the table, transport unit and welding rod.
Patent KR-20080025643-A (KR)
Title: Centrifugal pump device for a heat-dissipating system
Inventor: HUANG KAU CHUNG
IPC: F04D13/06
Filed: 2007-09-14
Abstract: A centrifugal pump device for a heat dissipating system is provided to reduce the axial length of a motor unit by separating stator units from the rotation axis of a rotor to be extended vertically with respect to the rotation axis. A centrifugal pump device for a heat dissipating system includes a pump unit(1) and a motor unit(2). The pump unit has a pump chamber(211), a plurality of impeller blades(291) arranged at the pump chamber and fixed to a rotor(290), a pump housing unit(10) firmly attached to the motor housing unit, a fluid passage(100) connected with the pump chamber, an inlet passage(260) connected with the fluid chamber, and an outlet passage(270) connected with the pump chamber and partially extended to a stator middle region. The motor unit has two long stator units and the rotor rotatably arranged on the motor housing unit. Each of the stator units is extended in a direction perpendicular to the axial line(F) of the rotor with being spaced apart from the axial line.
Patent KR-20080039784-A (KR)
Title: Charge eliminating apparatus and method, and program storage medium
Inventor: SHINOHARA EIICHI
IPC: G01R1/073
Filed: 2007-09-17
Abstract: A charge eliminating device, a charge eliminating method, and a program storage medium are provided to block damages to a device by preventing an ESD from affecting the device. A mount of a DUT(Device Under Test) is relatively moved with respect to a probe card. The DUT on the mount is electrically contacted with the probe card. A charge eliminating device eliminates ESD(ElectroStatic Discharge) from the DUT. The charge eliminating device includes a ground line(22), a relay switch(23), and a switch controller(26). The ground line couples the mount to a ground potential. The relay switch is arranged on the ground line. The switch controller opens and closes the relay switch. The mount includes a top plate, on which the DUT is placed. The ground line is contacted with a first conductive film which is formed on the top plate.
Patent KR-20080027188-A (KR)
Title: A reciprocating forward-feed device for the clocked linear forward-feed of stacks of goods over a transport path
Inventor: ANDREAS ROTHBAUER
IPC: B65B35/30
Filed: 2007-09-20
Abstract: A reciprocating forward-feed device for clocked linear forward-feed of stacks of goods over a transport path is provided to smoothly circulate a rotation feeding lever by moving a rotating arbor at a constant angular velocity. A reciprocating forward-feed device(5) for clocked linear forward-feed of stacks of goods(4) over a transport path includes a double arm forward-feed lever(6) and a pair of guide rods(8.1,8.2). The double arm forward-feed rotates on a rotating plane in parallel with a transfer path(2). The guide rods are mounted at a pair of pivot arbors(7.1,7.2) of each end part of the forward-feed lever. The guide rods are mounted on a pivot plane in parallel to the rotating plane on a pair of shafts(9.1,9.2). A pair of pushers(10.1,10.2) are mounted at end parts of the guide rods respectively. Four arbor arrangements are mounted at the forward-feed lever. A linear arbor(11) mounted at a linear guide unit(12) and formed by a linear carriage(13) is placed on a machine frame(1). The linear guide unit is sloped at an angle(W) toward an end part(14) of the transfer path forming feeding position of the goods.
Patent KR-20090035820-A (KR)
Title: Polishing device of a aspheric optical system for compensation surface form
Inventor: YANG SUN CHOEL
IPC: B24B13/00
Filed: 2007-10-08
Abstract: A polishing apparatus of aspherical optical system for surface shape correction is provided to perform precise polishing by maintaining uniform pressure over the entire surface of polishing pad. A polishing apparatus of aspherical optical system for surface shape correction comprises an upper adapter(6) mounted on a motor shaft of a polisher, a spring plate(8) mounted on the lower surface of the upper adapter, a lower adapter(9) mounted on the lower part of the spring plate and fixing the spring plate, a polisher support member(10) combined in the spring plate, a polisher head member(11) mounted on the lower part of the polisher support member, and a polishing pad(12) mounted to the polisher head member.
Patent KR-20090039342-A (KR)
Title: Rainwater storage tank equipped with syphonic overflow
Inventor: HAN MOO YOUNG
IPC: E03F5/10
Filed: 2007-10-18
Abstract: A rainwater depot having a siphon type overflow apparatus is provided to improve the storing capacity by forming the entrance of an overflow apparatus at a narrow rectangular. A rainwater depot having a siphon type overflow apparatus is composed of an overflow port connected to a sewerage pipe to the upper one side, and a U-type overflow device(120). The U-type overflow device is composed of a hollow overflow inlet(121) having an inflow port, a U-type hollow trap part(122), and a hollow drain part(123).
Patent KR-20090039496-A (KR)
Title: Cathode material slurry containing lubricant and secondary battery employed with the same
Inventor: AN KYOUNG JIN
IPC: H01M10/02
Filed: 2007-10-18
Abstract: Cathode material slurry containing lubricant is provided to reduce a failure rate and maximize task efficiency by minimizing residual stress of the cathode in a roll pressing process and preventing the cathode from being deformed. Cathode material slurry(121) comprises a cathode active material and a predetermined amount of lubricant. The contents of the lubricant is 0.05-10wt% on a total weight basis of the slurry in order not to deform the cathode after coating and compressing the slurry on a current collector(111). The lubricant represents wax selected from the group consisting of paraffin wax, polyethylene wax, polypropylene wax, ethylene-vinyl acetate copolymer wax, amide wax and carnauba wax.
Patent KR-20090045707-A (KR)
Inventor: KIM JUNG KIL
IPC: A47C21/06
Filed: 2007-11-02
Abstract: 본 발명은 신체부위에 따른 발열세기 조절가능한 캡슐형 마사지 베드에 관한 것이다. 본 발명은, 좌우측벽, 족부측벽 및 바닥부를 구비한 몸체, 상기 몸체에 결합되고 상기 몸체를 덮는 개폐도어, 상기 몸체 또는 개폐도어에 형성되거나 상기 몸체 및 개폐도어에 의해 형성되는 통기구, 그리고 전원공급부를 포함하여 이루어지고 원적외선 방사 및 발열기능을 갖는 캡슐형 마사지 베드에 있어서, 상기 몸체의 바닥부 상에 형성되며 그리고 원적외선 방사층 및 상기 원적외선 방사층의 하부에 형성된 면상발열층을 포함하여 구성되는 다수의 발열모듈을 구비하는 원적외선 방사 및 발열 층; 각종 작동 기기의 작동을 제어하며 그리고 상기 발열모듈에 대해 개별적으로 또는 복수의 발열모듈로 형성된 섹터별로 상기 원적외선 방사 및 발열 층에 누워지는 인체의 부위에 따라 발열세기 및 시간을 제어하는 제어부; 및 상기 개폐도어의 작동을 설정하며 그리고 상기 인체의 부위에 따라 상기 원적외선 방사 및 발열 층의 발열세기 및 시간을 설정할 수 있는 조작부;를 포함하여 구성된다. 
       
     마사지 베드, 캡슐, 발열모듈, 면상발열층, 신체부위에 따라 제어,
Patent KR-20090048072-A (KR)
Inventor: CHOI YOON CHANG
IPC: G09G3/288
Filed: 2007-11-09
Abstract: 본 발명은 플라즈마 디스플레이 장치에 관한 것이다. 그 플라즈마 디스플레이 장치는, 리셋 신호의 유지 구간의 길이가 영상 신호의 평균 화상 레벨(Average Picture Level, APL)에 따라 가변되며, 플라즈마 디스플레이 패널에 형성된 복수의 스캔 전극들은 제1, 2 그룹으로 나뉘며, 어드레스 구간은 제1, 2 그룹 각각에 스캔 신호를 공급하는 제1, 2 그룹 스캔 구간을 포함하고, 제1, 2 그룹 스캔 구간 중 적어도 어느 한 구간에서 상기 제1, 2 그룹에 공급되는 스캔 바이어스 전압이 서로 상이한 것을 특징으로 한다. 
     본 발명에 따른 플라즈마 디스플레이 장치에 의하면, 플라즈마 디스플레이 패널에 형성된 복수의 스캔 전극들을 2 이상의 그룹으로 분할 구동함에 있어서, 영상 신호의 평균 화상 레벨에 따라 리셋 신호의 전압 유지 구간을 조절하여 방전이 프레임 내에서 균일하게 발생할 수 있도록 할 수 있으며, 어드레스 방전을 안정화할 수 있다. 
     
     PDP, 스캔 전극, 스캔 신호, 그룹, 고속 구동
Patent KR-20090048821-A (KR)
Inventor: PARK DONG JIN
IPC: H05K3/18
Filed: 2007-11-12
Abstract: 전기부재 및 이를 이용한 인쇄회로기판의 제조방법이 개시된다. (a) 절연층에 돌기가 형성된 음각을 형성하는 단계, (b) 상기 음각에 시드층을 적층하는 단계, (c) 상기 시드층에 전해도금으로 도금층을 형성하는 단계, 및 (d) 상기 절연층이 노출되도록 상기 도금층의 일부를 제거함으로써  상기 음각에 상기 도금층이 채워진 회로패턴을 형성하는 단계를 포함하는 인쇄회로기판의 제조방법이 제공된다. 
       
     음각, 도금층, 회로패턴, 돌기
Patent KR-20090048956-A (KR)
Inventor: LEE JAE GON
IPC: H04B1/38
Filed: 2007-11-12
Abstract: 본 발명은 보청기와 휴대 단말기가 서로 장애를 미치지 않고 사용될 수 있도록 한 휴대 단말기에 관한 것으로, 사운드홀이 형성된 단말기 케이스와, 사운드홀의 내측에 배치되는 리시버(receiver) 및, 케이스와 리시버 사이의 일정 영역에 배치되며 케이스의 내부 또는 표면에서 방사되는 전파가 케이스 외부로 유출되는 것을 최소화하도록 전파를 반사시키는 반사 유닛을 포함한다. 반사 유닛은 통화시 리시버 부근에 근접되는 보청기(Hearing Aid)가 휴대 단말기에서 나오는 전파를 반사시킴으로써 보청기가 전파에 의하여 받을 수 있는 영향을 줄일 수 있다.
Patent KR-20070112445-A (KR)
Title: System for providing coupon by using watermarking(code marking)
Inventor: KIM JAE HYUNG
IPC: G06Q30/00
Filed: 2007-11-12
Abstract: A system for providing coupons by using a watermark is provided to enable a customer to receive mobile coupons for various goods/services from a plurality of mobile coupon providers by displaying a watermark image including coupon information to a screen of a coupon client, and enabling a mobile terminal to generate the mobile coupon from the coupon information and output the mobile coupon. A watermark image generating system(100) generates the watermark image by watermarking the coupon information. A watermark coupon providing server(105) transmits the generated watermark image to a client terminal(110). The coupon information includes at least one of the coupon, a ticket, a gift certificate, and a discount ticket.
Patent KR-20090049398-A (KR)
Inventor: PARK GWANG SEON
IPC: B09B3/00
Filed: 2007-11-13
Abstract: 본 발명은 작업 효율을 크게 향상시킨 일체형 폐부산물 수거장치에 관한 것으로서, 보다 상세하세는 바퀴(3)에 의해 이동 가능하도록 제작된 메인 프레임(1); 상기 메인 프레임(1) 상에 고정 설치되고, 내부에 설치된 필터(11)에 의해 흡입된 폐부산물을 분리 배출하는 분리 탱크(10); 상기 분리 탱크(10)와 연결 설치되어 흡입력을 발생시키는 에어 블로워(20); 및 일정한 길이로 연장된 밀폐형 하우징(51)이 상기 메인 프레임(1) 상에 일체로 설치되고, 상기 밀폐형 하우징(51)의 내부에는 무한궤도로 회전하는 체인(57) 상에 일정 간격으로 설치된 스크래퍼(58)가 상기 밀폐형 하우징(51)의 바닥을 긁고 가면서 상기 분리 탱크(10)로부터 인입된 폐부산물을 이송하여 배출시키는 밀폐형 체인 컨베이어(50)로 이루어진다. 
       
     폐부산물, 폐슬러리, 분진, 일체형, 수거장치,
Patent KR-20090051566-A (KR)
Inventor: LEE BYUNG YUL
IPC: H04B5/04
Filed: 2007-11-19
Abstract: 본 발명은 페이저 시스템에 관한 것으로, 특히 레스토랑 등 각종의 접객업소에서 사용하는 업소용 페이저 시스템을 개시한다. 
     본 발명은 테이블 측에 배치되는 발신기에 소거 버튼을 설치하여 종업원이 서비스를 제공시에 테이블측의 소거 버튼을 조작함에 따라 모든 종업원이 휴대하고 있는 페이저에 표시된 호출 ID가 소거되도록 함으로써, 종업원이 휴대한 페이저에는 항상 서비스되지 않은 테이블의 호출 버튼 ID만이 표시되도록 하여 서비스에 혼란이 야기되거나 일일이 서비스한 테이블의 호출 ID를 소거하여야 하는 불편을 해소할 수 있도록 한 것이다. 
     이를 위하여 본 발명은 송신을 위한 전원이 공급되도록 하는 버튼과, ID 출력을 위한 엔코더와, 변조부와, 고주파증폭부 및 안테나로 구성된 다수의 호출부와, 수신안테나, 증폭부, 디코더와 컨트롤러를 구비하여서 된 다수의 페이저로 구성된 공지의 업소용  페이저 시스템에 있어서, 
     전술한 호출부의 컨트롤러에 소거 버튼을 연결하여 페이저의 디코더에서 ID 데이터와 소거 데이터가 출력되는 경우 컨트롤러가 해당 ID를 소거함으로써 한 종업원이 호출한 특정 테이블에 도달하여 서비스를 제공하면서 완료 버튼을 눌러 주는 것만으로 모든 페이저에서 해당 ID가 소거되므로 다른 종업원이 호출을 중복 인식함으로 발생하는 혼선을 방지하여 효율적인 서비스 제공이 가능하게 됨과 아울러 페이저를 별도로 조작하여 불필요한 ID가 제거되도록 하여야 하는 취급상의 불편을  해소할 수 있게 되는 유용한 효과가 있다. 
     
     호출신호 소거 업소용
Patent KR-20090052509-A (KR)
Title: 플래시 메모리 소자의 소거 방법
Inventor: KIM TAE GYUN
IPC: G11C16/14
Filed: 2007-11-21
Abstract: 본 발명은 플래시 메모리 소자의 소거 방법에 관한 것으로, ISPE(increasement step pulse erase) 방식으로 소거 동작을 실시하는 과정에서 목표 전압과 문턱전압의 차이가 많은 메모리 셀과 차이가 적은 메모리 셀의 소거 동작 조건을 달리함으로써, 문턱전압이 낮아지는 정도를 달리하여 소거 동작이 완료된 메모리 셀들의 문턱전압 분포를 좁힐 수 있다.  
       
     플래시, 소거 동작, 문턱전압, ISPE