baber/WOPTO huggingface dataset:
Patent KR-20130122063-A (KR)
Title: Mixing apparatus for battery electrolyte
Inventor: LEE KYU HYEONG
IPC: H01M10/42
Filed: 2012-04-30
Abstract: The present invention relates to an apparatus for mixing a battery electrolyte and, more particularly, to the apparatus for mixing the electrolytes of high and low specific gravities by inertia which is generated in the start and stop of a vehicle to prevent stratification to form a layer by dividing the battery electrolyte into the electrolytes of the high and low specific gravities according to a specific gravity.
Patent KR-20130122078-A (KR)
Title: Omr card marking tool and stamp type marking pen
Inventor: JEONG KI WOOK
IPC: B43K1/00
Filed: 2012-04-30
Abstract: The present invention allows young persons, disabled persons, or the elderly which are unfamiliar to marking on an OMR card to precisely and rapidly mark an answer sheet by marking on an OMR card using a stamp type marking pen by overlapping an OMR card writing tool on the OMR card. A surveys shows that marking time for 100 questions takes 3-4 second for elementary school student, 3 seconds for junior high school student, 2-2.5 seconds for high school students, and 3-5 seconds for more than 40 years old persons. Marking time using the present invention takes 0.5-1 second, the difference of marking time according to ages is very small, and making time is reduced to 30-40%. A stamp type marking pen can be semi-permanently used by refilling inks. The OMR card writing tool can be recycled, thereby reducing the waste of resources.
Patent KR-20130131742-A (KR)
Title: Small shopping cart
Inventor: UM SANG OOK
IPC: B62B3/14
Filed: 2012-05-24
Abstract: The present invention relates to a small shopping cart in which the volume is relatively small and, more specifically, to a small shopping cart comprising: a leg unit in which castors are installed at the lower part; a basket unit installed at the upper part of the leg unit, molded by synthetic resin materials, and in which objects are loaded; and a handle unit installed at the rear part of the basket unit and molded by synthetic resin materials. All parts of the small shopping cart except minimum components are made of plastic so that the weight is light. The mobility is excellent. The assembly efficiency is excellent by minimum processes. The appearance can be improved.
Patent KR-20120137269-A (KR)
Title: Direct inject fabrication of drug delivery devices
Inventor: ZHOU JING
IPC: A61M31/00
Filed: 2012-06-07
Abstract: PURPOSE: A method for manufacturing a drug delivery device is provided to dissolve one or more drug delivery device components in a phase change ink. CONSTITUTION: A method for manufacturing a drug delivery device is as follows. A substrate is provided. At least one drug delivery device components capable of being dissolved and dispersed in a phase change ink are provided. A first layer is formed on a substrate by discharging a first portion of the phase change ink. A second layer is formed on the first layer by discharging a second portion of the phase change ink. At least one drug delivery device components include active pharmaceutical ingredients, additives, or both of them.
Patent KR-20130142306-A (KR)
Title: Pattern shutter type evaporation devices
Inventor: SON NAM GI
IPC: C23C14/24
Filed: 2012-06-19
Abstract: The present invention relates to a pattern shutter type deposition apparatus comprising: multiple evaporation sources (10) for evaporating a target (12) by heating the target (12) inside a deposition chamber (1); a carrier (20), which is installed to be rotated around a driving shaft (21) in a position corresponding to the evaporation source (10), and of which holders (22) containing a deposited material (A) are equipped in multiple places; and a shutter plate (30), which is installed to be rotated around the driving shaft (21) between the evaporation source (10) and the carrier (20), and in which multiple pattern holes (32) are equipped in order to plate the target (12) on the deposited material (A) by passing the evaporated target (12). Accordingly, each of deposition processes is performed in a short time on a plurality of plated materials in a state of maintaining vacuum or air-tightness according to a deposition condition including an alternative ON/OFF operation of the evaporation source, a position of the carrier, a position and a rotating speed of the shutter plate, and a shape of the shutter hole.
Patent KR-20140003687-A (KR)
Inventor: JEONG JEONG AE
IPC: G08B21/10
Filed: 2012-06-22
Abstract: 본 발명은 화재 및 재난발생시 피난인들 로 하여금 상황발생지로부터 안전하고 신속하게 피난할 수 있는 음성,문자정보(주소지별 위치정보를 바탕으로 세부적인 위치정보 및 발생상황, 건물규모, 대피통로별 위치,대피 장소별 위치 및 방향,경유지, 피난장비위치, 행동요령 등)를 구체적이면서 간략하게 요약하여 요약된 정보를 저장해 두었다가 상황발생시 피난인들에게 자동으로 음성정보를 알려주거나 화재,재난현장 상황에 따라 제어가 어려운 경보장치 및 기타장치들을 제어하여 피난인들 로 하여금 화재,재난상황을 인지,예측하게 하고 상황발생지로부터 안전하고 신속하게 피난할 수 있도록 반복적이면서, 지속적으로 유도하는 화재,재난음성경보 및 음성대피안내 장치에 관한 것이다. 
이를 위하여 감지기,발신기,기타장치의 위치한 장소의 구체적인 주소를 부여하고 각각의 주소지에 상황발생지점 및 발생상황과 발생지로부터 안전하고 신속하게 피난할 수 있는 음성,문자정보(주소지별 위치정보를 바탕으로 세부적인 위치정보 및 발생상황, 건물규모, 대피통로별 위치,대피 장소별 위치 및 방향,경유지, 피난장비위치, 행동요령 등)를 구체적이면서 간략하게 요약하여 음성정보화하는 방법 및 음성정보를 저장부에 송신하는 입력부와; 입력부의 정보를 저장하는 저장부와; 수신된 외부정보와 부합된 주소별 음성정보 또는 수신부의 정보를 경보설비 및 방송설비, 기타장치를 제어하여 송출하는 제어부와; 상황발생 후 층별,지역별 경보설비와 기타장치의 제어가 불가능하거나 층별 지역별 통신이 두절된 이후에도 건물의 내,외부 및 현장상황을 잘 관측할 수 있는 안전하고 인접한 지역에서 화재,재난음성경보 및 음성대피안내 장치와 발신기용송,수신부를 제어운용하여 지속적이고 반복적으로 현장상황에 대처, 피난인들 을 대피유도할 수 있는 휴대용무선음성발신부와; 층별,지역별 경보설비, 경보장치, 기타장치의 제어 및 통신이 두절됐을 경우 휴대용무선음성발신부의 발신정보에 의하여 각각의 발신기용송,수신부를 장착한 발신기를 각각 독립된 개체로 전환 시키면서 양방향통신 및 발신기에 종속된 음향설비를 제어 운용하게 함으로써 지속적이고 반복적으로 현장 진행상황에 따른 대피정보제공과 대피유도를 수행할 수 있게 하는 발신기용송,수신부로; 이루어진 것에 특징이 있다.
Patent KR-20140005437-A (KR)
Title: Method for manufacturing organic light emitting diode
Inventor: LEE YOO JIN
IPC: H05B33/04
Filed: 2012-07-04
Abstract: The present invention relates to a method for manufacturing an organic light emitting diode. According to an embodiment of the invention, the manufacturing method includes a step of forming an organic light emitting part on a surface of a first substrate, a step of forming a metal electrode on a surface of a second substrate, a step of forming a metal bag part on the metal electrode through electric plating, a step of placing the first and second substrates, arranging positions of the first and second substrates, and making surfaces of the first and second substrates touch each other in order to make a surface having the organic light emitting part and a surface of having the metal bag part face each other, and a step of separating the second substrate from the first substrate.
Patent KR-20140005026-A (KR)
Title: The drying furnace use hot air and infrared
Inventor: LEE HOON
IPC: F26B15/12
Filed: 2012-07-04
Abstract: The present invention relates to a drying furnace which uses hot air and infrared light at the same time, which increases coating and drying efficiency and enables a more economical and safer work by using the hot air and the infrared light together without using an infrared light heater. The drying furnace comprises: a drying furnace main body which has intake holes in the upper and lower parts and has lateral exhaust holes and lower exhaust holes in a multiple number in the lateral and lower sides; a hot air upper nozzle for supplying air and a hot air lower nozzle for supplying air which are installed inside the drying furnace main body in order to be connected to the intake holes formed in the upper and lower sides of the drying furnace main body; a basic material transfer roller which is installed between the hot air upper nozzle for supplying air and the hot air lower nozzle for supplying air; and an infrared light radiant matter which are coated on the surface of the hot air upper nozzle for supplying air and the hot air lower nozzle for supplying air and radiates infrared light by being heated by hot air which passes through the inside of the hot air upper and lower nozzles for supplying air.
Patent KR-20140008580-A (KR)
Title: Leg protection apparatus of floating structure
Inventor: PARK JOO SHIN
IPC: E02B17/08
Filed: 2012-07-06
Abstract: A leg protector of a floating structure having a jack-up mode is disclosed. The leg protector of a floating structure according to the present invention includes: a leg protector having first and second protector parts for rotating around a hinge shaft to be opened or closed in order to cover a leg; and a locking device for fixing the leg protector to the leg.
Patent KR-20120085705-A (KR)
Title: Cover device for weeds growth restraint and installing method thereof
Inventor: LEE JUN GU
IPC: A01G13/02
Filed: 2012-07-13
Abstract: PURPOSE: Weed growth controlling apparatus and method for fruit trees are provided to effectively control the growth of weed around the bottom part of the trees. CONSTITUTION: A weed growth controlling apparatus for fruit trees comprises the following: a through-hole formed on the center of a flexible bottom board member(10) formed with a resin or rubber material; an annular neck(14) extended from the outer circumference of the through hole to produce a filling space(16) for filling materials(17) having a weed growth controlling effect; a cut-out line(18) formed from one outer end of the bottom board member toward the annular neck; small-sized holes(28) formed on the bottom board member for passing through water and light; and a main body cover(2) combined to a flexible connection cover. The inner diameter of the through-hole is 80-400mm.
Patent KR-20130011958-A (KR)
Title: An indexable drill insert
Inventor: RAMESH KARTHIC
IPC: B23B27/16
Filed: 2012-07-19
Abstract: PURPOSE: An indexable drill insert is provided to make force face the drill axis by dividing the same four cutting edges into multiple partial edges. CONSTITUTION: A first partial edge(5a) is faced toward the axis of a drill body. A second partial edge(5b) is extended from the first partial edge. The second partial blade and a third partial edge(5c) are connected by a transition partial edge(7). The transition partial edge forms a convex bending part with the second partial edge. The transition partial edge forms a concave bending part with the third partial edge. A nose part(8) is adjacent to the first partial edge of one cutting edge(5) and the third partial edge of the next cutting edge(5).
Patent KR-20140012468-A (KR)
Title: Mobile device and method for providing home-shopping information and
Inventor: AN TAE YOUNG
IPC: G06Q30/06
Filed: 2012-07-20
Abstract: A mobile device which provides home shopping information and a home shopping information providing method thereof are provided. The mobile device capable of recognizing a sound includes: a sound analysis application unit which determines whether a sound which is received from the outside by analyzing the sound is received from a home shopping channel or not; a home shopping application unit which receives information on a product which is on the air in the home shopping channel from a server corresponding to the home shopping channel if it is determined that the received sound is provided from the home shopping channel; and a display unit which displays the provided information. [Reference numerals] (10) Home shopping server; (100) Mobile device; (110) Display unit; (120) Location storage unit; (130) Home shopping storage unit; (140) Motion recognizing unit; (150) Processor; (160) Sound receiving unit; (170) Audio processing unit; (180) Memory; (181) Location determining unit; (182) Sound analysis application unit; (183) Home shopping application unit; (20) Broadcast station server; (30) Broadcast receiving equipment
Patent KR-20140017892-A (KR)
Title: Method of content transaction and apparatus for content transaction
Inventor: KIM SOO HYANG
IPC: H04N21/266
Filed: 2012-08-02
Abstract: A content processing apparatus provided by the present invention includes a host (HOST) and a viewing limitation module (CICAM) connected through a common interface. In the content processing apparatus, the host (HOST) receives a recording replay signal, determines whether a recording includes viewing rating limitation information by a viewing limitation module or not, selectively performs a viewing rating confirmation process depending on the determination result, requests a pin code (PIN code) input to the host by the viewing limitation module, and delivers confirmation information about the pin code (PIN code) which is received through the host to the host. A content processing method includes: a first step for determining whether the recording includes viewing rating limitation information by the viewing limitation module or not; and a second step for selectively performing the viewing rating confirmation process depending on the determination result. [Reference numerals] (110) Reception unit; (120) Signal processing unit; (121) Demodulator; (123) Demux; (124) Second descrambler; (130) Display unit; (140) OSD generating unit; (150) Control unit; (160) Control unit; (210) First descrambler; (220) Re-scrambler; (300) Source providing device
Patent KR-20140026122-A (KR)
Title: Non-volatile memory device and method of manufacturing the same
Inventor: KWAK NOH YEAL
IPC: H01L27/115
Filed: 2012-08-24
Abstract: The present invention relates to a non-volatile memory device capable of improving cell properties, and a method for manufacturing the same. The non-volatile memory device includes: a tunnel insulating layer which is formed on an active region defined by device isolating layers; a polysilicon pattern which includes a first part formed on the tunnel insulating layer between the device isolation layers, and a second part protruding more than the device isolation layer from the first part and having a width narrower than the width of the first part; and a doping region which is formed on the surface of the polysilicon pattern and includes a P type dopant. [Reference numerals] (AA) Plasma doping
Patent KR-20140031498-A (KR)
Title: Life rescue system using overwater robot and life rescue method using the same
Inventor: KU JA HYO
IPC: B63C9/00
Filed: 2012-09-03
Abstract: The present invention relates to a life-saving system using a waterborne robot and a life-saving method using the same system and, more specifically, to a life-saving system using a waterborne robot and a life-saving method using the same system capable of preventing casualties, and conducting an early dispatch of the waterborne robot to an accident spot to rescue a drowning person when a drowning accident occurs.
Patent KR-20140036359-A (KR)
Title: 세탁기
Inventor: BANG MYUNG BAE
IPC: H02K5/18
Filed: 2012-09-10
Abstract: 로터에 방열리브가 마련되도록 하여 스테이터에 마련되는 코일에 바람을 일으켜줌으로써, 모터의 온도를 낮출 수 있는 세탁기를 제공한다. 
캐비닛과, 상기 캐비닛의 내부에 배치되는 터브와, 상기 터브의 내부에 회전 가능하게 배치되는 드럼과, 상기 터브의 후면에 결합되어 상기 드럼을 구동하는 모터를 포함하는 세탁기의 상기 모터는 상기 터브의 후면에 결합되며, 스테이터코어와 상기 스테이터코어에 권선되는 코일을 갖는 스테이터; 상기 스테이터의 내측에 회전 가능하게 배치되는 로터; 및 상기 코일에 인접하게 상기 로터의 테두리에 마련되어 상기 로터의 회전 시 상기 로터와 함께 회전하여 상기 코일을 향하여 바람을 일으킴으로써 상기 코일을 방열시키는 방열리브;를 포함하는 것을 특징으로 한다.
Patent KR-20140034988-A (KR)
Title: Reverse osmosis membrane using cnt and pbi, and preparing thereof
Inventor: LEE JONG CHAN
IPC: B01D71/62
Filed: 2012-09-11
Abstract: The present invention relates to a reverse osmosis membrane using polybenzimidazole and carbon nano-tubes, and a method for manufacturing the same and, more specifically, to a reverse osmosis membrane using polybenzimidazole and carbon nano-tubes, and a method for manufacturing the same, including: a step of processing functionalization, in which a portion of the carbon nanotubes are functionalized; and a step of laminating the carbon nanotubes.
Patent KR-20140046206-A (KR)
Title: Heat treatment method for solid oxide fuel cell
Inventor: KUK BYUNG GEUN
IPC: H01M8/02
Filed: 2012-10-10
Abstract: The present invention relates to a method for heat treating a solid oxide fuel cell by plasticizing and sintering electrodes and electrolyte simultaneously so as to produce a solid oxide fuel cell, wherein the method comprises the steps of preparing an object equipped with electrodes and electrolyte; disposing the object in a heating furnace and increasing the temperature in the heating furnace; maintaining a maintenance temperature for 20 to 120 minutes after the temperature in the heating furnace reaches the maintenance temperature which is a temperature between 950 to 1000°C; and increasing the temperature of the heating furnace to 1000°C and then increasing the temperature of the heating furnace from 1000°C to 1050°C by a rate of increase of 0.1 to 0.5°C/min when the maintenance temperature is below 1000°C, or increasing the temperature of the heating furnace from 1000°C to 1050°C by a rate of increase of 0.1 to 0.5°C/min when the maintenance temperature is 1000°C.
Patent KR-20140046704-A (KR)
Title: Egfr-positive cancer targeted quenched nanoprobe and method for preparing the same
Inventor: KIM KWANG MEYUNG
IPC: A61K47/48
Filed: 2012-10-10
Abstract: The present invention relates to an epidermal growth factor receptor (EGFR)-positive tumor targeted quenched nanoprobe and to a method of producing same and, more particularly, to an EGFR-positive tumor targeted quenched nanoprobe, wherein a fluorescent body and a quenching body are conjugated to an epidermal growth factor (EGF), and to a method of producing the same. The EGFR-positive tumor targeted quenched nanoprobe (EGF-NP) can specifically detect the EGFR-positive tumor and accordingly can effectively monitor the therapeutic effects of EGFR-targeted drugs. Moreover, imaging is performed in a short time so that repeated image acquisition can be performed easily and simply and continuous image data over time can be effectively obtained. Furthermore, the EGF-NP according to the present invention has excellent stability in the human body as the EGF-NP dissipates in the human body after a period of time. [Reference numerals] (AA) Quenching body; (BB) Quenched fluorescent body; (CC) Active fluorescent body; (DD) Tumor cell; (EE) Targeted bond for EGFR on the tumor cell; (FF) Inject inside and decompose lysosomes
Patent KR-20140052560-A (KR)
Title: A bunk bed
Inventor: CHOI KWANG HAK
IPC: A47C19/20
Filed: 2012-10-25
Abstract: The present invention relates to a bunk bed, and more particularly, to a bunk bed including an upper bed and a lower bed of different sizes. The bunk bed (1) including an upper bed and a lower bed of different sizes of the present invention includes: a lower bed (3) which includes four lower poles (2) elongated from the four corners of the bed to the inner side of the bed width while forming a curve and has the width of a bed for two people; and an upper bed (5) which includes four straight upper poles (4) coupled and fixed to the upper shelves of the four elongated lower poles (2) of the lower bed (3) and has the width of a bed for one person; pole connection units (6) which rigidly connects the upper bed and the lower bed; and stairs (7) connected in a side of the upper bed.
Patent KR-20140055809-A (KR)
Title: 불출 약제 수집장치
Inventor: KIM JUN HO
IPC: B65B35/54
Filed: 2012-11-01
Abstract: 본 발명은 불출 약제 수집장치에 관한 것으로서, 구체적으로 약제 불출 박스로부터 불출되는 약제를 수집하는 장치로서의 본 발명에 따른 불출 약제 수집 장치는 상기 불출되는 약제가 안착되고, 적어도 어느 하나의 측면에는 일정 높이를 갖도록 구비되어 상기 약제의 안착시 상기 약제가 외부로 이탈하는 것을 방지하는 적어도 하나 이상의 측면 가드부를 구비하는 컨베이어;를 포함한다. 
본 발명에 따르면 컨베이어의 양측면에 측면 가드부를 구비함으로써 약제 불출박스로부터 불출되는 약제가 바운스(bounce)에 의하여 외부로 이탈하는 것을 방지할 수 있다.
Patent KR-20140062320-A (KR)
Title: 스마트 프로젝터 시스템
Inventor: IM KWON BIN
IPC: H04L12/12
Filed: 2012-11-14
Abstract: 본 발명은 개인 단말기를 이용한 스마트 프로젝터 시스템에 관한 것으로, 개인 단말기, 상기 개인 단말기에서 송출되는 데이터를 수신받고 수신된 미디어 데이터를 실시간 송신이 가능한 데이터 송수신기, 상기 데이터 송수신기에서 송신되는 데이터를 유선 또는 무선 통신으로 수신하여, 상기 수신된 미디어 데이터를 확대하여 조사하는 빔 프로젝터, 상기 빔 프로젝터에서 전송되는 데이터를 투영하는 프로젝터용 스크린 및 상기 데이터 송수신기에서 송출하는 데이터 중 음성 데이터를 수신하여 음성을 출력하는 스피커를 포함하여 구성된다. 위에 기재된 무선 통신에 따라 프로젝터 중 개인 단말기의 제한이 사라지며, 음성과 영상의 확대로 더 많은 청취자를 수용할 수 있고, 데이터 송수신기의 관련 데이터 및 애플리케이션을 활용한 원거리 조종을 제공할 수 있다.
Patent KR-20130001188-A (KR)
Title: Method and apparatus for recovering microbial cells, pure culture method of the same, and wastewater treatment apparatus
Inventor: ISAKA KAZUICHI
IPC: C02F3/00
Filed: 2012-11-19
Abstract: PURPOSE: A method and apparatus for recovering microbial cells is provided to remarkably reduce culture period, to improve the performance of anaerobic ammonia oxidation, and to remarkably reduce culture period. CONSTITUTION: A method for recovering microbial cells comprises: a step of transferring treating water containing ammonia and nitrite to anaerobic ammonia oxidation tank(12), and ammonia-oxidizing the same by using anaerobic ammonia oxidizing bacteria; a step of denitrificating the ammonia and nitrate; a step of passing the denitrificated water to a culturing tank(14) which is sealed by impregnating container for preventing leakage, and attaching the anaerobic ammonia oxidizing bacteria to an immobilizing material in the culturing tank; and a step of collecting an immobilized microorganism attached to the immobilizing material. [Reference numerals] (12) Anaerobic ammonia oxidation tank
Patent KR-20140064287-A (KR)
Inventor: SONG KYO HAK
IPC: B60R21/015
Filed: 2012-11-20
Abstract: 본 발명은 자동차의 스마트 에어백 제어 장치 및 그 방법에 관한 것으로, 더욱 상세하게는 조향핸들의 회전각 정보와 운전자의 손위치 정보를 이용하여 에어백을 효율적으로 전개시키는 스마트 에어백 제어 장치 및 그 방법에 관한 것이다. 
본 발명은 차량의 충돌시 차량의 충격을 감지하는 충격 감지수단과 조향핸들의 회전각을 감지하는 핸들 회전각 감지수단, 조향핸들을 잡은 운전자의 손의 위치를 감지하는 손위치 감지수단 및 상기 충격 감지수단에 의한 충격감지 여부와 회전각 감지수단에 의한 회전각 정보와 손위치 감지수단에 의한 손의 위치 정보를 바탕으로 에어백을 전개시키는 제어수단을 포함하는 것을 특징으로 한다. 
이에 의하면, 운전자의 정보에 따라 에어백의 전개 압력을 조절함으로써, 효율적으로 에어백을 전개하여 안전성을 높일 수 있고, 이와 동시에 사고시 충돌로 인한 충격완화와 더불어 에어백 전개로 인한 2차적 충격을 완화할 수 있는 이점이 있다.
Patent KR-20140067554-A (KR)
Title: Water supply device for bicycle
Inventor: KIM KWANG SUK
IPC: E03B11/00
Filed: 2012-11-27
Abstract: The present invention relates to a water supply device of a bicycle and, more specifically, to a water supply device installed on a bicycle enabling a rider to drink water while riding the bicycle. A method, whereby a water bottle is combined to a frame of a bicycle to carry the bottle when riding the bicycle, is traditionally used. However, the method is problematic since the water bottle has to be held by a rider′s hand when drinking and the rider has to tilt his/her head back when drinking, thus causing accident due to a loss of balance. Therefore, an objective of the present invention is to provide a water supply device for a bicycle capable of preventing an interference of the front sight by a water-feeding hose of the water bottle, and facilitating the rider to easily drink water.
Patent KR-20140072240-A (KR)
Inventor: KIM JIN WOOK
IPC: C21C5/52
Filed: 2012-11-27
Abstract: The present invention relates to a method controlling a vibrator on a ferroalloy weighting process using TSK fuzzy control. The method controlling a vibrator on a ferroalloy weighting process using TSK fuzzy control receives a changed input amount, which is the changed amount of weight of input ferroalloy, and a remaining input amount, which is difference between the target input amount of ferroalloy and the amount of ferroalloy input in a weighting car, and outputs the strength of the vibrator according to the below rules of R1 to R3 using the remaining input amount and the changed input amount. (R1)IF x1 IS VB, THEN y=a11·x1+b1, (R2) IF x1 IS VS AND x2 IS VB, THEN y=a22·x2+b2, and (R3) IF x1 IS VS AND x2 IS VS, THEN y=a13·x1-b3. In the rules of R1 to R3, x1 is the remaining input amount; x2 is the changed input amount; VB and VS mean two membership functions for the remaining input amount and the changed input amount; and a11, b1, a22, b2, a13 and b3 are parameters preset to determine the strength of the vibrator.