baber/WOPTO huggingface dataset:
Patent KR-20190121307-A (KR)
Title: 자동차용 클러치 장치, 하이브리드 모듈 및 구동 트레인
Inventor: LORENZ ELMAR
IPC: F16D25/10
Filed: 2018-01-25
Abstract: 본 발명은, 내연기관 및 변속기를 결합하기 위한 자동차용 클러치 장치 및 하이브리드 모듈, 그리고 내연기관 및 본 발명에 따른 하이브리드 모듈을 갖는 자동차용 구동 트레인에 관한 것이다.  클러치 장치는, 하나 이상의 플레이트 캐리어(90) 및 플레이트 팩(71, 81)을 포함하며, 이 플레이트 팩(71, 81)에 의해 하나 이상의 플레이트가 플레이트 캐리어(90)의 태핏 장치(100), 특히 인터로크(interlock)와 일체로 회전하도록 연결되며, 이 경우 클러치 장치(70, 80)는 또한 압력 요소(75, 85), 특히 압력 포트 및 판 스프링(76, 86)을 포함하며, 상기 판 스프링(76, 86)은 자신의 반경방향 외측 에지(200)에 의해 플레이트 캐리어(90) 상에 축방향으로 지지되고, 자신의 반경방향 내측 에지(201)에 의해 압력 요소(75, 85) 상에 축방향으로 지지된다.  본원에서 제안된 클러치 장치 및 이 클러치 장치가 설치된 하이브리드 모듈에 의해, 저렴하게 제조될 수 있고 작은 공차로 간단하게 수동으로도 그리고 자동화 방식으로도 조립될 수 있는 유닛이 제공된다.
Patent KR-20190112109-A (KR)
Title: 폴리머 조성물
Inventor: EUSTACE PAUL
IPC: C08L23/16
Filed: 2018-02-05
Abstract: 본 발명은 개선된 긁힘 및/또는 마모 저항성을 갖는 조성물 및 이의 제조 방법에 관한 것이다. 사출 성형, 압출, (공)압출 및/또는 열성형을 위한 조성물들이 기술된다. 조성물은 (a) 아크릴 (코)폴리머 및 (b) 지방산 아미드를 포함한다. 아크릴 (코)폴리머 잔기의 적어도 30 wt%는 메틸 메타크릴레이트와 같은 알크아크릴산 또는 에스테르 모노머의 잔기이고, 0 내지 70 wt%는 1종 이상의 다른 비닐 코모노머의 잔기이다. 조성물의 제조 방법은 지방산 아미드를 아크릴 (코)폴리머와 용융 블렌딩하는 단계; 또는 아크릴 (코)폴리머의 제조 동안 지방산 아미드를 모노머에 첨가하는 단계;를 포함한다. 조성물의 용도는 사출 성형, 압출 또는 공압출에 있을 수 있다. 또한, 조성물의 캡 층을 포함하는 공압출 적층체가 기술된다.
Patent KR-20190117587-A (KR)
Title: 배선 형성 방법
Inventor: HOSHINO YUKI
IPC: C23C18/20
Filed: 2018-02-13
Abstract: 하기 A 공정 및 B 공정을 포함하는 배선 형성 방법 A 공정 : 친액부와 발액부를 갖는 기재 상에 촉매 잉크를 도포함으로써 하지층을 구비하는 공정, B 공정 : 하지층을 구비한 기재를 무전해 도금욕에 침지하여, 금속 도금막을 형성하는 공정은, 단선이 없고 직진성이 우수한 세선 패턴, 예를 들어 50 ㎛ 이하의 세선 패턴을 무전해 도금에 의해 제공할 수 있다.
Patent KR-20190129863-A (KR)
Title: 케톨라이드 화합물의 제조 방법
Inventor: DIWAN FURQAN MOHAMMED
IPC: C07H17/08
Filed: 2018-03-14
Abstract: 케톨라이드 화합물의 제조 방법이 개시된다.
Patent KR-20210098563-A (KR)
Title: 이동 로봇
Inventor: JUNG CHUNGIN
IPC: B25J9/12
Filed: 2019-01-02
Abstract: 본 발명의 실시예에 따른 이동로봇은, 주행 유닛이 구비된 본체; 본체의 전방부 상측에 위치하고 상하로 길게 형성된 바디 디스플레이 유닛; 바디 디스플레이 유닛의 상부에 회전 가능하게 연결된 헤드 디스플레이 유닛; 바디 디스플레이 유닛 내부에 배치된 회전 모터; 상하로 길게 형성되고 회전 모터에 의해 회전하며 헤드 디스플레이 유닛을 회전시키는 회전 샤프트; 및 바디 디스플레이 유닛 내부에 배치되고 회전 모터와 이격되며 수평방향으로 회전 샤프트와 오버랩되는 스피커를 포함할 수 있다.
Patent KR-20190123320-A (KR)
Title: 유방 주입물 용 패키징 및 전달 장치
Inventor: HARVIE FRASER
IPC: A61B17/00
Filed: 2018-03-02
Abstract: 유방 주입물(30) 용 패키징(35)으로서, 덮개(40) 및 캐비티(45)을 포함하고, 상기 덮개 또는 캐비티 중 하나는 유방 주입물을 패키징으로부터 수술 포켓으로 직접 전달하도록 구성된다. 바람직한 실시예에서, 패키징의 덮개 또는 캐비티는 바람직하게는 피라미형이며, 개방 근위 단부(15) 및 폐쇄 원위 단부(20)를 갖는 가요성의 테이퍼형 슬리브(60)를 갖는 전달 장치(10)를 포함하고, 상기 장치는 테이퍼형 슬리브의 원위 단부의 개방시에만 패키징으로부터 주입물을 전달시키도록 한다.
Patent KR-20190125466-A (KR)
Title: X-레이 촬상 장치 및 환자 지지대
Inventor: JARVA MIKKO
IPC: A61B6/04
Filed: 2018-03-19
Abstract: 본 발명은 두개골 또는 두개골의 부분적 영역을 촬상하는 X-레이 촬상 장치에 관한 것이고, 이 장치는 X-레이 소스와 검출기 사이에 환자 지지 수단(17)을 포함한다.  환자 지지 수단(17)은 후두부 영역이 놓이도록 배열된 지지부(171)를 포함하는 뒷받침 구조(170)를 포함한다.  뒷받침 구조(170)는 제1의 가늘고 긴 지지 구조(172)를 포함하고, 그 지지 구조(172)의 제1 단부가 지지부(171)를 포함하고 그 지지 구조(172)의 제2 단부가 상기 지지부(171)가 위치하는 곳과 상이한 상기 촬상 스테이션(18)의 측으로 연장한다.
Patent KR-20200014282-A (KR)
Title: 보빈에 권취된 물질의 시트를 권출하기 위한 방법 및 키트
Inventor: KLIPFEL YORICK
IPC: B65H16/10
Filed: 2018-05-30
Abstract: 본 발명은 보빈에 권취된 물질의 시트를 권출하는 방법에 관한 것으로, 방법은 권취된 시트의 보빈을 제공하되, 보빈은 외부 표면을 정의하고 있으며 보빈으로부터 권출된 시트의 자유부를 포함하고 있는, 단계; 보빈의 외부 표면 상에 압축 요소를 배치하여, 접촉선을 정의하되, 접촉선은 시트의 자유부를 보빈의 나머지 부분으로부터 분리시키는 선인, 단계; 압축 요소에 의해 약 4 뉴턴 내지 약 16 뉴턴으로 포함된 힘으로 접촉선에서 권취된 시트의 외부 표면을 가압하는 단계; 및 시트를 권출 방향으로 당겨서 보빈으로부터 시트를 권출하는 단계를 포함하고 있다.
Patent KR-20200005674-A (KR)
Title: 반도체 프로세스 챔버들에서의 가스 전달을 위한 장치 및 방법
Inventor: KIRCHHOFF VINCENT
IPC: H01L21/02
Filed: 2018-05-31
Abstract: 반도체 프로세싱 시스템에서의 가스 전달을 위한 장치의 실시예들은 가스 분배 플레이트를 사용하며, 가스 분배 플레이트는 복수의 가스 연결통로들을 갖고, 가스 연결통로들은 대략 10 Ra 이하의 평균 조도를 갖는 표면들을 갖는다.  일부 실시예들에서, 가스 분배 플레이트는 하나 이상의 내부 유체 연결통로들을 갖고, 하나 이상의 내부 유체 연결통로들은 가스 분배 플레이트의 온도 제어를 제공하기 위해 하나 이상의 유체 소스들에 유동적으로 커플링될 수 있다.  일부 실시예들에서, 가스 분배 플레이트는, 가스 분배 플레이트의 온도 제어를 적어도 부분적으로 제공하기 위해 복수의 가스 연결통로들 중 적어도 하나를 둘러쌀 수 있는 적어도 하나의 히트싱크를 갖는 적어도 하나의 내부 공동을 갖는다.
Patent KR-20200085679-A (KR)
Inventor: LEE DONG HUN
IPC: H01M4/131
Filed: 2020-01-07
Abstract: The present invention relates to a positive electrode active material which includes a nickel-based lithium transition metal oxide containing 60 mol% or more of nickel with respect to the total moles of metal excluding lithium, wherein more than 0 to 6,000 ppm of cobalt is included in the surface of the nickel-based lithium transition metal oxide. The present invention also relates to a manufacturing method thereof, a positive electrode for a lithium secondary battery including the positive electrode active material, and a lithium secondary battery.
Patent KR-20200096171-A (KR)
Inventor: KIM MINJUN
IPC: C07D409/14
Filed: 2020-02-03
Abstract: The present specification provides a compound represented by chemical formula 1 and an organic light emitting device comprising the same. The organic light emitting device using the compound has a low driving voltage.
Patent KR-20210099481-A (KR)
Title: Air-conditioning tube unit and its manufacturing method
Inventor: KIM BYUNG IL
IPC: A61L9/20
Filed: 2020-02-04
Abstract: The present invention relates to a tube unit for air purification and a manufacturing method thereof, in which a photocatalyst unit provided inside an air purifier is formed in the form of a tube to increase contact time with air, and by circulating air flowing into the tube in a tornado method, air purification performance can be improved.
Patent KR-20210100921-A (KR)
Title: Pet grooming device operating method
Inventor: MOON MI KYEONG
IPC: H04N5/225
Filed: 2020-02-07
Abstract: The present invention relates to a method for operating a pet grooming device. According to the present invention, a suction fan (10) operated by a motor and a camera sensor (20) are installed inside a cage (100). When a dog enters the cage (100), the camera sensor (20) transmits a signal to a control unit and the control unit operates the suction fan (10) to suck the dog's fur. Accordingly, the method cleans a pet's fur without direct contact with the pet, thereby providing an effect of reducing the pet's stress and injuries. In addition, the method provides a sanitary environment, thereby providing a significant effect of providing a pleasant environment where both the pet and an owner can be satisfied.
Patent KR-20210101700-A (KR)
Title: Electronic device and method for controlling electronic device of application
Inventor: YOUNGSEONG KIM
IPC: H04M1/725
Filed: 2020-02-10
Abstract: An electronic device includes: a display; a memory storing instructions; and at least one processor electrically connected with the display and the memory. The at least one processor is configured to, when the stored instructions are executed: set a condition related with an execution time of at least one application of the electronic device; execute the at least one application; determine an accumulated execution time for which the at least one application is executed; determine a graphic effect changed based on the condition related with the execution time and the accumulated execution time; and display a screen, to which the determined graphic effect has been applied, by controlling the display. Therefore, the present invention is capable of gradually informing a user about a timer termination moment.
Patent KR-20210081212-A (KR)
Title: Contact heating apparatus for material heat treatment
Inventor: SEO JONG DOCK
IPC: B21D22/02
Filed: 2020-02-13
Abstract: The present invention relates to a conductive heating device for material heat treatment that can increase energy efficiency and reduce production cycle time, and can uniformly heat a material regardless of the shape of the material. According to the present invention, upper and lower heating elements are in contact with upper and lower surfaces of a material while resistive heating to the target temperature to conduct heating of the material. Upper and lower insulators block heat to each periphery of the upper and lower heating elements Upper and lower tension adjustment mechanisms adjust the tension of the upper and lower heating elements respectively while the upper and lower heating elements conduct and heat the material. Upper and lower lifting mechanisms lift the upper and lower heating elements respectively. Upper and lower current supplies apply current to the upper and lower heating elements. A control panel controls the upper and lower tension adjustment mechanisms, the upper and lower lifting mechanisms, and the upper and lower current supplies.
Patent KR-20210106740-A (KR)
Title: Chemical supplying system and control method for the same
Inventor: LEE HYEONG SEOB
IPC: G01G13/00
Filed: 2020-02-21
Abstract: According to an embodiment of the present invention, a chemical supply system comprises: a chemical supplier connected to a process chamber of a semiconductor manufacturing facility and performing a chemical supply mode for supplying a chemical to the process chamber; a chemical tank connected to the chemical supplier and storing the chemical supplied to the process chamber; a liquid level sensing unit disposed inside the chemical tank and sensing a liquid level of the chemical stored in the chemical tank; and a weight sensing unit provided at a seating portion of the chemical tank and sensing a weight of the chemical tank.
Patent KR-20210109184-A (KR)
Title: NEW USE OF miR-125a and let-7e
Inventor: JONMIN KIM
IPC: A61K31/7105
Filed: 2020-02-27
Abstract: The present invention relates to novel uses of miR-125a and let-7e in a tumor microenvironment. The miR-125a or let-7e of the present invention suppresses the expression of IL-6 expressed by endothelial cells in the tumor microenvironment, thereby suppressing anticancer drug resistance due to tumor plasticity, and suppressing angiogenesis. Therefore, miR-125a or let-7e can be usefully used as an anticancer agent or an anticancer adjuvant.
Patent KR-20210112131-A (KR)
Title: Water purifier
Inventor: JI JOON DONG
IPC: F25C1/22
Filed: 2020-03-04
Abstract: Provided is a water purifier capable of providing hard ice by sufficiently lowering a temperature of an ice storage space by having an ejector-type ice maker that moves ice. To this end, according to the present invention, the water purifier comprises: a main body having an ice-making chamber formed therein and configured to circulate a refrigerant, and having a refrigeration cycle installed therein for supplying cool air into the ice-making chamber; an ice maker installed in the ice-making chamber to generate ice; and a first circulation fan installed on the wall of the ice-making chamber to circulate cool air in the ice-making chamber. The ice maker includes: a control box; an ice-making tray disposed on one side of the control box and having a plurality of ice-making grooves formed on an upper surface of the control box to receive ice-making water; a refrigerant pipe installed on a lower surface of the ice-making tray and through which the refrigerant flowing through the refrigeration cycle flows; an ejector, one end of which is rotatably installed on one side of the control box, and a plurality of ejector fins for extracting ice from the plurality of ice-making grooves during rotation are formed to protrude from a circumferential surface; and a second circulation fan installed in the control box to suck in air from the lower side of the ice-making tray and discharge it to the ice-making chamber.
Patent KR-20210040247-A (KR)
Title: Security system and method by random key omission
Inventor: KIM YONG SUNG
IPC: G06F21/46
Filed: 2020-03-05
Abstract: According to the present invention, a password security system comprises: a storage unit for storing set passwords; a control unit for randomly generating a password to be omitted among the stored passwords; an expression unit for expressing the location of the password to be omitted or the flow of time; an input unit which receives the other password except passwords designated by an omission key; and an unlocking unit for locking and unlocking a security system according to whether the receiving password matches. The password security system is characterized in that a randomly designated key is omitted.
Patent KR-20210114640-A (KR)
Title: running machines for pet dogs
Inventor: LIM SANG DUCK
IPC: A63B71/06
Filed: 2020-03-11
Abstract: The present invention relates to a treadmill for a pet. The present invention comprises: a driving unit which includes a driving motor and a pulley; a plurality of driving shafts and driven shafts which are interlocked with the driving unit and are interlocked by driving force of the driving unit; a driving unit which is interlocked with the driving shafts and the driven shafts and exposes an infinite rotation mat to a surface; and a controlling unit which gradually adjusts and controls a driving speed of the driving unit. The present invention further comprises: a lifting unit which is mounted in a lower side of the driving unit, and is selectively lifted to tilt heights of front, back, left, and right directions of the driving unit by control of the controlling unit. The present invention can improve exercise efficiency of the pet.
Patent KR-20200032681-A (KR)
Title: Apparatus and Method of Adaptive Quantization Parameter Encoding and Decoder based on Quad Tree Structure
Inventor: SIM DONG GYU
IPC: H04N19/124
Filed: 2020-03-18
Abstract: Disclosed are an image encoding/decoding method and apparatus. According to the present invention, an image decoding apparatus comprises: an inverse quantization difference value recording block unit determination part that determines a unit of a block in which an inverse quantization difference value is recorded; an inverse quantization parameter prediction block determination part that determines a block to be used for inverse quantization parameter prediction by using position information of a neighboring block placed around the block to decode an inverse quantization parameter assigned to the block; an inverse quantization parameter value deriving part that obtains an inverse quantization parameter value by using an inverse quantization parameter predicted value based on the inverse quantization difference value and the block to be used for the inverse quantization parameter prediction; and an inverse quantization part that performs inverse quantization by using the inverse quantization parameter value.
Patent KR-20210122928-A (KR)
Title: Automatic weighing and feeding device for sliced fruits
Inventor: HONG SUNG GI
IPC: B65B57/14
Filed: 2020-04-01
Abstract: The present invention relates to an apparatus for automatically weighing and feeding fruit slices. The apparatus includes: a base frame (100); a multi-staged conveyor part (200) which is a multi-staged conveyor extended and contracted by being slid through multiple stages, combined on the base frame (100); an extension/contraction driving part (300) adjusting the multi-staged conveyor part (200) in length, such that end lines of the multi-staged conveyor part (200) are sequentially located on a plurality of containers (c); a supply hopper part (400) supplying fruit slices (f) onto start lines of the multi-staged conveyor part (200); and a weighing discharge part (500) combined with the end lines of the multi-staged conveyor part (200) to store dropped fruit slices (f), while discharging the same into the containers (c) when the total weight of the fruit slices (f) reaches a target weight.
Patent KR-20210123502-A (KR)
Title: The chip-rework apparatus for solder removal and the removal method for solder on a substrate
Inventor: CHOI JI HOON
IPC: H05K3/22
Filed: 2020-04-03
Abstract: The present invention comprises: an absorption member providing part for disposing an absorption member on a solder for chip bonding disposed on a substrate; and an energy source for melting the solder for chip bonding by heating the absorption member and the solder for chip bonding, wherein the solder for chip bonding melted by an energy source is absorbed by the absorption member and the solder for chip bonding remaining on the substrate can easily and cleanly be removed.
Patent KR-20210123793-A (KR)
Title: Bracket for furniture assembly
Inventor: MOON SEUNG JU
IPC: A47B47/00
Filed: 2020-04-06
Abstract: Provided is a bracket which can assemble a vertical frame and a horizontal frame, composing furniture, in a variety of forms according to a need of a user. The bracket for assembling furniture according to an embodiment of the present invention comprises: a main body unit which has a first penetration hole along a height direction at the center part for the vertical frame composing the furniture to be inserted in and penetrate through the same; and a first protruding unit which is connected with one side of the main body unit and has a first insertion groove along a length direction for the horizontal frame composing the furniture to be inserted in and engaged with the same. Thereby, assembly of the furniture and disassembly and reassembly of the assembled furniture is facilitated even with a manufacturing error due to material characteristics of the furniture, and the vertical frame and the horizontal frame, composing the furniture, can be assembled in a variety of forms according to the need of the user.
Patent KR-20200039655-A (KR)
Title: Voice coil motor
Inventor: SEONG MIN LEE
IPC: G03B3/10
Filed: 2020-04-09
Abstract: The present invention relates to a voice coil motor which increases quality of an image. The voice coil motor comprises: a stator including a first driving unit; a mover disposed inside the stator, including a second driving unit which reacts with the first driving unit, and having a lens mounted therein; a base fixing the stator; and an elastic member coupled to the mover to separate the mover from the base when a drive signal is not applied to the first or second driving unit. The mover is moved in a first direction closer to the base or a second direction away from the base, and a moving section of the mover is formed to be longer than an effective focus section of the lens.
Patent KR-20210125855-A (KR)
Title: Camera module and electronic device including the same
Inventor: KIM MANHO
IPC: H04N5/225
Filed: 2020-04-09
Abstract: According to the embodiments disclosed in the present invention, a camera module may provide a function related to image stabilization together with a function related to autofocus. According to an embodiment disclosed in this document, an electronic device comprises: a housing forming at least a portion of an outer surface of the electronic device and including a planar area facing a first direction; the main board disposed inside the housing; a camera module disposed inside the housing and electrically connected to the main board. The camera module comprises: a camera housing; a camera assembly at least a portion of which is accommodated in the camera housing, the camera assembly including a lens, an image sensor, and a first printed circuit board (PCB). The camera assembly is rotatably coupled to the camera housing about a center of rotation of the camera assembly such that the optical axis of the lens forms an angle with a first direction. The first PCB includes a base portion on which the image sensor is disposed, and an extension portion extending from the base portion to the main board. The extension portion includes a first extension portion and a second extension portion; a power cable disposed between the first extension part and the second extension part and extending from the base part to the main board to supply power to the camera module. The extension portion can be configured to transmit a signal related to the camera module. In addition to this, various embodiments identified through the specification are possible.
Patent KR-20210130513-A (KR)
Title: High-speed searching device and method for identity confirmation of the relationship more than second degree
IPC: G16B20/40
Filed: 2020-04-22
Abstract: Disclosed are a high-speed search device and method for identity confirmation of at least two degrees of relationship. In the present invention, the likelihood ratio (LR) between a guardian group and a missing person group is calculated, to be sorted by rank, and managed, and an additional search is performed in a candidate group by using result values of mtDNA analysis or Y-STR analysis. According to the present invention, it is possible to quickly identify at least two degrees of relationship even in a one-to-many or many-to-many search.
Patent KR-20210132771-A (KR)
Title: Graphite muffle structure
IPC: F27B5/16
Filed: 2020-04-27
Abstract: The present invention relates to a graphite muffle structure. The graphite muffle structure according to an embodiment of the present invention is a graphite muffle structure of a furnace using nitrogen atmospheric gas comprising: a heat treating furnace main body which has an interior space; an insulation member which is formed to cover the interior space; and a heater which is installed inside the interior space and is heated to a set temperature. The graphite muffle structure comprises: a first graphite muffle which is located inside the insulation member, provides a sealed space of nitrogen gas atmosphere, and is made of graphite material; and a second graphite muffle which seals the surroundings of the first graphite muffle by covering the interior space in which the first graphite muffle is installed and is made of graphite material. The graphite muffle structure significantly reduces oxygen concentration inside the furnace by being applied in the furnace using nitrogen atmospheric gas.
Patent KR-20210141805-A (KR)
Title: Substrate supporting apparatus and method
IPC: H01L21/683
Filed: 2020-05-13
Abstract: The present invention provides a substrate supporting device and substrate supporting method capable of rapidly loading and unloading a substrate. The substrate supporting device on which a substrate transported by a transport unit can be seated comprises: a base plate; a first seating unit having a plurality of first seating members spaced apart from each other on the base plate so that a substrate is seated and a transport unit can pass; a second seating unit installed on the base plate so that at least a portion of the second seating unit is disposed between the first seating members to move up and down; and a fixing unit capable of fixing the second seating unit at a position moved upward. The substrate supporting device can stably support the substrate while rapidly loading and unloading the substrate.
Patent KR-20210140918-A (KR)
Title: System and method for issuing optional transferable mobile ticket
IPC: G06F21/16
Filed: 2020-05-14
Abstract: A purpose of the present invention is to provide a system and method for issuing a mobile ticket capable of optional transfer. According to one embodiment of the present invention, the system for issuing a mobile ticket capable of optional transfer comprises: a user terminal for receiving an issued mobile ticket, having an anti-transfer watermark comprising random number information generated according to occurrence or payment time and a performance location, using a mobile ticket platform; a server for generating and providing the random number information according to the occurrence or payment time and performance location, and storing the watermark generated by the mobile ticket issuance platform; and a ticketing terminal for comparing watermark (A) of the mobile ticket issued to the user terminal in a non-contact manner through short-distance communication and watermark (A-1) stored in the server to determine validity.
Patent KR-20210142887-A (KR)
Title: Display apparatus
IPC: H04R7/04
Filed: 2020-05-19
Abstract: According to an embodiment of the present invention, a display device comprises a support member having a hole through which air inside the display device is discharged, thereby lowering the air pressure in the display device to extend reproduction band of a low-pitched sound range for improving a low-pitched sound feature. The display device comprises: a display panel that displays an image; a vibration generating device disposed on the back of the display panel and vibrating the display panel; and a support member, comprising a first hole, which is disposed on the rear surface of the display panel. The first hole can be disposed to correspond to the entire area or an edge of the vibration-generating device.