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1. 发明公开

EP4366136A1 ROTOR AND MOTOR 审中-实审
公开(公告)号：EP4366136A1
公开(公告)日：2024-05-08
申请号：EP22832547.8
申请日：2022-03-30
申请人： Minebea Mitsumi Inc.
发明人： KAMOGI, Yutaka , MIYAKI, Junichi
IPC分类号： H02K1/2706
CPC分类号： H02K1/2706
摘要： This rotor (2) comprises a rotor core (10), magnets (40), and covers (20, 30). The rotor core (10) has an annular part (19), and a plurality of pole pieces (11). The magnets (40) are arranged between two pole pieces that are adjacent in the circumferential direction among the plurality of pole pieces (11). The covers (20, 30) cover the outer peripheral portions of the magnets (40), and are formed of members that are non-magnetic or less magnetic than the rotor core (10).

2. 发明公开

EP4339508A1 ILLUMINATION DEVICE 审中-实审
公开(公告)号：EP4339508A1
公开(公告)日：2024-03-20
申请号：EP22807015.7
申请日：2022-01-25
申请人： Minebea Mitsumi Inc.
发明人： ANMA, Mio , TAKAYAMA, Ryohei , HANEDA, Ryo , YAMADA, Akari
IPC分类号： F21S8/04 , F21V5/00 , F21V5/04 , F21V14/06 , F21Y113/13 , F21Y115/10
摘要： An illumination device (1) according to an embodiment of the present invention comprises a light source (4), a cup lens (5), and a condenser lens (8). The light source (4) emits point-like light. The cup lens (5) is disposed on the outgoing side of the light source (4). The condenser lens (8) is disposed on the outgoing side of the cup lens (5). The cup lens (5) is provided with a bottom surface (5a) that has a substantially circular shape which is a first outer shape, a top surface (5b) that has a substantially circular shape which is a second outer shape larger than the first outer shape and that is apart from the bottom surface (5a) toward the outgoing side in the optical axis direction, a side surface (5c) that is connected to the bottom surface (5a) and the top surface (5b), and a recessed part (5d) that is provided substantially at the center of the bottom surface (5a), that accommodates the light source (4), and that has a substantially cylindrical shape.

3. 发明公开

EP4250534A1 MOTOR 审中-实审
公开(公告)号：EP4250534A1
公开(公告)日：2023-09-27
申请号：EP21894746.3
申请日：2021-11-19
申请人： Minebea Mitsumi Inc.
发明人： KAMOGI, Yutaka , KOUYAMA, Yutaka
IPC分类号： H02K1/18
摘要： This motor (1) comprises a rotor (3) and a stator (2). The stator (2) comprises a plurality of segments (23) coupled with each other via engaging portions (23c, 23d). The segments (23) comprise a plurality of pieces (23a) coupled with each other via a coupling portion (23b). The plurality of pieces (23a) are arranged in an arc shape, and the plurality of segments (23) are arranged in an annular shape. The engaging portions (23c, 23d) have two protruded portions (23c-a, 23c-b, 23d-a, 23d-b) projecting on the circumferential direction side and recessed portions (23c-c, 23d-c) provided between the two protruded portions. Among the two segments arranged adjacently, the protruded portion (23c-a) of one segment engages with the recessed portion (23d-c) of the other segment, and the recessed portion (23c-c) of one segment engages with the protruded portion (23d-b) of the other segment. The two protruded portions of one and the other segments have top portions (23c-d, 23d-d), and the protruded portion (23c-a) of one segment and the recessed portion (23d-c) of the other segment have first planes (23c-e, 23d-e) facing each other and third planes (23c-f, 23c-g, 23d-f, 23d-g). The first planes and the third planes extend in the radial and circumferential directions of the stator and extend in directions intersecting with each other toward the top portions.

4. 发明公开

EP4236037A1 ROTOR, MOTOR USING ROTOR, AND ELECTRONIC APPARATUS 审中-实审
公开(公告)号：EP4236037A1
公开(公告)日：2023-08-30
申请号：EP21882717.8
申请日：2021-10-15
申请人： Minebea Mitsumi Inc.
发明人： TOYOMURA, Naoto , YAMADA, Takuji
IPC分类号： H02K1/2706 , H02K1/22
摘要： Provided are a rotor capable of effectively using a magnetic flux generated from a magnet, a motor using the rotor, and an electronic apparatus. The rotor, the motor using the rotor, and the electronic apparatus are each provided with: a rotor core (33) having an annular part (33a), a plurality of magnetic pole pieces (33b) that extend in a radial direction, and a plurality of coupling parts (33c) that couple the respective magnetic pole pieces (33b) with the annular part (33a); a plurality of first magnets (31) each arranged between two adjacent magnetic pole pieces (33b) among the magnetic pole pieces (33b) in a circumferential direction (ef); and a plurality of second magnets (32) each arranged in a space (S) formed between two adjacent coupling parts (33c) among the coupling parts (33c) in the circumferential direction (ef). The coupling parts (33c) extend in a direction where there are components of both the radial direction (cd) and the circumferential direction (ef).

5. 发明公开

EP4234107A2 VIBRATION ACTUATOR AND VIBRATION PRESENTING APPARATUS 审中-实审
公开(公告)号：EP4234107A2
公开(公告)日：2023-08-30
申请号：EP23180946.8
申请日：2022-01-27
申请人： Minebea Mitsumi Inc.
发明人： Takahashi, Yuki , Ishitani, Tomoya , Hashino, Junichi , Sato, Soichi
IPC分类号： B06B1/04
摘要： A load detector includes: a strain generating body that includes a first fixing part fixable to a device, a second fixing part fixable to an actuator, and a strain part provided between the first and second fixing parts, a pressing operation being performed on the device by an operator, the actuator giving vibration to the device; a strain sensor that detects strain generated in the strain part in accordance with the pressing operation; and a regulating part provided at the first fixing part. When the device moves in a first direction separating from the actuator, the regulating part regulates the movement by engaging with an engaged part of the actuator.

6. 发明公开

EP4212184A1 STERILIZATION SYSTEM, STERILIZATION DEVICE, CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM 审中-实审
公开(公告)号：EP4212184A1
公开(公告)日：2023-07-19
申请号：EP21866330.0
申请日：2021-06-22
申请人： Minebea Mitsumi Inc.
发明人： IMAMURA, Shogo , SAGAWA, Yoshihiro
IPC分类号： A61L2/10 , A61L2/24 , A61L9/20
摘要： A sterilization system of an embodiment includes a light source unit (21), a horizontal angle adjustment unit (4) and/or a vertical angle adjustment unit (3), and a controller (5). The light source unit (21) emits ultraviolet rays in a radiating form. The horizontal angle adjustment unit (4) adjusts a horizontal angle of the light source unit (21) by causing rotation of the light source unit (21) in a horizontal direction. The vertical angle adjustment unit (3) adjusts a vertical angle of the light source unit (21) by causing rotation of the light source unit (21) in a vertical direction. The controller (5) receives a marker signal transmitted from a marker (9) via a marker sensor (6), controls rotation of the horizontal angle adjustment unit (4) and/or the vertical angle adjustment unit (3) to direct an optical axis of the light source unit (21) to the marker (9), and stores a horizontal angle and/or a vertical angle of the light source unit (21) in response to a position setting request.

7. 发明公开

EP4212183A1 STERILIZATION SYSTEM, STERILIZER, CONTROLLER, CONTROL METHOD, AND CONTROL PROGRAM 审中-实审
公开(公告)号：EP4212183A1
公开(公告)日：2023-07-19
申请号：EP21866329.2
申请日：2021-06-22
申请人： Minebea Mitsumi Inc.
发明人： IMAMURA, Shogo , SAGAWA, Yoshihiro
IPC分类号： A61L2/10 , A61L9/20
摘要： A sterilization system of an embodiment includes a light source unit (21), a horizontal angle adjustment unit (4) and/or a vertical angle adjustment unit (3), and a controller (5). The light source unit (21) emits ultraviolet rays in a radiating form. The horizontal angle adjustment unit (4) adjusts a horizontal angle of the light source unit (21) by causing rotation of the light source unit (21) in a horizontal direction. The vertical angle adjustment unit (3) adjusts a vertical angle of the light source unit (21) by causing rotation of the light source unit (21) in a vertical direction. The controller (5) reads setting information including the horizontal angle and/or the vertical angle, controls the rotation caused by the horizontal angle adjustment unit (4) and/or the vertical angle adjustment unit (3), and controls irradiation of the ultraviolet rays by the light source unit (21).

8. 发明公开

EP4134647A1 SIGNAL PROCESSING CIRCUIT AND LOAD DETECTION DEVICE 审中-实审
公开(公告)号：EP4134647A1
公开(公告)日：2023-02-15
申请号：EP21785235.9
申请日：2021-03-30
申请人： Minebea Mitsumi Inc.
发明人： YAMAMOTO, Kosuke
IPC分类号： G01L1/26
摘要： A signal processing circuit is a signal processing circuit configured to detect a load on a target, and is configured to obtain a first output value of a first physical sensor that is provided in such a manner that a detection value of the first physical sensor changes in accordance with the load on the target, and a second output value of a second physical sensor that is provided in such a manner that a detection value of the second physical sensor does not change in accordance with the load on the target, the second physical sensor having an electrical characteristic that is the same as an electrical characteristic of the first physical sensor; and the signal processing circuit is configured to calculate, as a load detection value indicating the load on the target, a difference value between the first output value and the second output value.

9. 发明公开

EP4112935A1 PUMP AND AIR SUPPLY DEVICE 审中-实审
公开(公告)号：EP4112935A1
公开(公告)日：2023-01-04
申请号：EP21780810.4
申请日：2021-03-24
申请人： Minebea Mitsumi Inc.
发明人： YOSHII, Yuta , INAMOTO, Shigenori , TAKAHASHI, Yuki , SEKIGUCHI, Chikara , KODAMA, Daisuke , KURITA, Daisuke
IPC分类号： F04B45/047 , B06B1/04
摘要： A pump 1 contains a pump unit 80 for suctioning and discharging fluid due to electromagnetic drive of a vibration actuator 10. The vibration actuator 10 includes a fixed body 20 on which the pump unit 80 is provided and containing one of a coil core portion 62 having a core portion 60 around which a coil 50 is wound and a magnet 70 disposed so as to face an end portion of the core portion 60, a movable body 30 elastically held by magnetic attraction force of the magnet 70 and containing another one of the coil core portion 62 and the magnet 70, and a shaft portion 40 for supporting the movable body 30 so that the movable body can perform reciprocating rotation. The pump unit 80 includes a movable wall 822 which can be moved by rotational movement of the movable body 30, and a sealed chamber 82 whose volume can be changed by displacement of the movable wall 822. The movable body 30 has a pressing portion 35 which can be moved in an arc track around the shaft portion 40 and abut against the movable wall 822 to press the movable wall 822 when the movable body 30 performs the reciprocating rotation to discharge air in the sealed chamber 82 through a discharge portion 86.

10. 发明公开

EP4067653A1 PUMP SYSTEM AND ELECTRONICS DEVICE 有权转让
公开(公告)号：EP4067653A1
公开(公告)日：2022-10-05
申请号：EP22164404.0
申请日：2022-03-25
申请人： Minebea Mitsumi Inc.
发明人： YOSHII, Yuta , SEKIGUCHI, Chikara , INAMOTO, Shigenori , TAKAHASHI, Yuki , KODAMA, Daisuke , UEDA, Kenta , IRIE, Takahiko , KURITA, Daisuke
IPC分类号： F04B35/04 , F04B39/00 , F04B41/06 , F04B45/047
摘要： A pump system 2 contains a pair of pumps 3A, 3B, each of which contains a vibration actuator 8 vibrated by electromagnetic drive and can discharge fluid due to drive of the vibration actuator 8. The pump system 2 has a vibration suppression mode M1 in which the pair of the pumps 3A, 3B are driven so that vibration of the vibration actuators 8 of the pair of pumps 3A, 3B is cancelled each other and a vibration generation mode M2 in which the pair of the pumps 3A, 3B are driven so that the vibration of the vibration actuators 8 of the pair of pumps 3A, 3B is superimposed with each other.

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