Patents Assigned to MINEBEA MITSUMI INC.
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Patent number: 12226204Abstract: A body motion determination system for determining whether a body motion of a subject (S) on a bed (BD) presents or not, includes a load detector (11, 12, 13, 14) configured to detect a load of the subject on the bed; a non-negative-valued average calculating unit (313) configured to calculate a non-negative-valued average of a detection value of the load detector; and a threshold value setting unit (315) configured to set a threshold value to be used in determining whether the body motion of the subject presents or not, based on the non-negative-valued average calculated in a resting period in which the subject merely performs a respiration.Type: GrantFiled: July 27, 2018Date of Patent: February 18, 2025Assignee: MINEBEA MITSUMI Inc.Inventor: Shigemi Masuda
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Patent number: 12230995Abstract: An auxiliary power supply device includes a storage circuit having first and second electrical double layer capacitors connected in series between first and second nodes, a first switch element having a first terminal coupled to the first node, and a second terminal, a first discharging resistor provided between the second terminal and a fourth node, a second discharging resistor provided between the fourth node and ground, a second switch element having a third terminal coupled to a third node between the first and second electrical double layer capacitors, and a fourth terminal coupled to the fourth node, and a measurement controller. The measurement controller performs a procedure to compute a capacitance value of the storage circuit as a first process, and a procedure to connect the first switch element and connect the second switch element as a second process.Type: GrantFiled: March 25, 2022Date of Patent: February 18, 2025Assignee: MINEBEA MITSUMI Inc.Inventor: Susumu Osawa
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Patent number: 12224686Abstract: Provided is an actuator, the actuator comprising: an actuator body and a control device that includes a circuitry configured to supply a main driving current pulse and a sub-driving current pulse to the coil, both of which are driving current pulses for driving the operation device in one direction in a vibrating direction thereof, in accordance with a touch operation of an operation device supported so as to be elastically vibrated, the main driving current pulse being capable of starting an elastic vibration, the sub-driving current pulse being capable of adjusting attenuation period of the elastic vibration after the starting the elastic vibration, and polarities of the main driving current pulse and the sub-driving current pulse being all identical.Type: GrantFiled: June 29, 2023Date of Patent: February 11, 2025Assignee: Minebea Mitsumi Inc.Inventors: Tomoya Ishitani, Yuki Takahashi
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Patent number: 12224640Abstract: In accordance with one aspect of the present disclosure, a vibration generating device includes a protruding part; a base provided with the protruding part and formed of a magnetic body; an annular coil surrounding the protruding part; a plate facing the base and formed of a magnetic body; and an elastic member supporting the plate with respect to the base. The plate and the base constitute magnetic circuit.Type: GrantFiled: December 1, 2023Date of Patent: February 11, 2025Assignee: MINEBEA MITSUMI Inc.Inventors: Mikio Umehara, Yutaka Kamogi
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Patent number: 12218564Abstract: A motor includes a rotor, a stator opposing the rotor, bearings configured to rotatably support the rotor, a blade attached to one side in an axis (X) direction of the rotor, and a holding part configured to hold the bearings. The holding part includes an attachment part to be attached with an external device and a contact part to be in contact with the stator. An end surface at one side in the axis (X) direction of the attachment part is arranged at the other side in the axis (X) direction relative to an end surface at the other side in the axis (X) direction of the contact part.Type: GrantFiled: September 22, 2022Date of Patent: February 4, 2025Assignee: MINEBEA MITSUMI Inc.Inventor: Shintaro Nakamura
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Patent number: 12218563Abstract: To provide a motor easily applied with frame ground in a simple configuration and capable of suppressing deformation of a connection terminal in contact with an external terminal connecting to an external device. A motor of the present application includes a metal member of a tubular shape having an opening portion and an inner peripheral surface forming the opening portion in an axial line x direction, a bracket including a tubular part disposed inside the opening portion, and a terminal provided at the bracket. The terminal includes a first portion connected to an external terminal connecting to an external device, and a second portion in contact with the metal member. The second portion is disposed between the inner peripheral surface of the metal member and an outer peripheral surface of the tubular part of the bracket.Type: GrantFiled: November 29, 2022Date of Patent: February 4, 2025Assignee: MINEBEA MITSUMI Inc.Inventors: Shotaro Honda, Masami Ota
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Patent number: 12218554Abstract: A motor includes a rotor, a stator, a first substrate, a second substrate, and an electronic component arranged at the second substrate. The stator includes a stator core, an insulator, and a coil wound around the stator core via the insulator. The insulator includes a coupling part connected to an external device. The first substrate is fixed to the insulator. The second substrate is fixed to the first substrate. The first substrate and the second substrate are spaced apart in a rotation axis direction of the rotor.Type: GrantFiled: August 21, 2023Date of Patent: February 4, 2025Assignee: MINEBEA MITSUMI Inc.Inventors: Katsunori Sakuragi, Yoshihito Fujie, Masahiko Anko
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Patent number: 12203467Abstract: A pump system contains a pair of pumps each of which contains a vibration actuator vibrated by electromagnetic drive and can discharge fluid due to drive of the vibration actuator. The pump system has a vibration suppression mode in which the pair of the pumps are driven so that vibration of the vibration actuators of the pair of pumps is cancelled each other and a vibration generation mode in which the pair of the pumps are driven so that the vibration of the vibration actuators of the pair of pumps is superimposed with each other.Type: GrantFiled: November 13, 2023Date of Patent: January 21, 2025Assignee: MINEBEA MITSUMI INC.Inventors: Yuta Yoshii, Chikara Sekiguchi, Shigenori Inamoto, Yuki Takahashi, Daisuke Kodama, Kenta Ueda, Takahiko Irie, Daisuke Kurita
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Patent number: 12193980Abstract: Provided is a fixing member used in a support structure (100) for a bed. The support structure includes a lower frame (10), an upper frame (20), a raising/lowering mechanism (30) configured to raise and lower the upper frame with respect to the lower frame and including a support shaft (312) extending in a width direction of the bed, and a supported member (221, 222) fixed to the upper frame and supported by the support shaft. The support shaft moves in a longitudinal direction of the bed while supporting the supported member when the upper frame is raised and lowered. The fixing member includes a plurality of fixing tools (S11 to S14) configured to fix the supported member to the upper frame. Each of the plurality of fixing tools includes a flexure element (SB) fixed to the upper frame at one end and fixed to the supported member at the other end, and a strain gauge (SG) attached to the flexure element.Type: GrantFiled: September 14, 2022Date of Patent: January 14, 2025Assignee: MINEBEA MITSUMI Inc.Inventors: Kui Li, Manabu Tanaka
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Patent number: 12196628Abstract: A strain gauge includes a substrate made from resin and having flexibility, a resistor formed on one surface of the substrate, and an insulating resin layer covering the resistor, wherein the insulating resin layer is a thermoplastic polyimide layer.Type: GrantFiled: August 4, 2020Date of Patent: January 14, 2025Assignee: MINEBEA MITSUMI Inc.Inventor: Satoshi Sato
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Patent number: 12199487Abstract: A fixing body configured to house a movable body including a magnet, and including a coil surrounding an outer periphery of the magnet and an outer yoke surrounding an outer periphery of the coil, the fixing body being configured to support the movable body so as to allow the movable body to vibrate back and forth in a vibration direction orthogonal to a radial direction, wherein the outer yoke includes a plurality of openings dispersed in a circumferential direction and provided at the same position in the vibration direction to keep a balance of a magnetic path configured together with the magnet and the coil in the circumferential direction.Type: GrantFiled: June 29, 2022Date of Patent: January 14, 2025Assignee: Minebea Mitsumi Inc.Inventors: Yuki Ogihara, Shigeyuki Shimomura, Yoshihiro Maeda, Chikara Sekiguchi
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Patent number: 12191878Abstract: A signal processing circuit includes a first sampling capacitor and a second sampling capacitor that are connected for an input signal path of an analog signal, and a signal processor configured to perform predetermined processing on the analog signal sampled by the first sampling capacitor and the analog signal sampled by the second sampling capacitor. The sampling of the analog signal transmitted to one capacitor of the first sampling capacitor and the second sampling capacitor, and the predetermined processing performed by the signal processor on the analog signal sampled by another capacitor of the first sampling capacitor and the second sampling capacitor can be performed in parallel.Type: GrantFiled: March 30, 2021Date of Patent: January 7, 2025Assignee: MINEBEA MITSUMI Inc.Inventors: Takahiko Bando, Heisuke Nakashima, Fumihiro Inoue
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Patent number: 12191736Abstract: In accordance with one aspect of the present disclosure, an electronic device includes a housing, a contact member attached to the housing, a plate displaceable with respect to the base, an elastic member supporting the plate with respect to the base. The base, the plate and the elastic member are arranged inside the housing. A magnetic gap is formed with the plate and the base. The plate connects with the contact member.Type: GrantFiled: October 18, 2023Date of Patent: January 7, 2025Assignee: MINEBEA MITSUMI Inc.Inventors: Mikio Umehara, Yutaka Kamogi
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Publication number: 20240429803Abstract: A stimulus applying device includes an actuator and a housing. In the actuator, a head part of a protrusion part that protrudes from a movable main body is disposed outside a fixed body, and the movable main body is housed inside the fixed body. The actuator moves the movable main body along the protruding direction of the protrusion part by electromagnetic drive, and applies a stimulus to the surface of a subject by the movement. The housing includes a main surface that extends around the head part in directions intersecting the movement direction. The main surface regulates the position of the subject surface in the movement direction.Type: ApplicationFiled: June 21, 2024Publication date: December 26, 2024Applicant: MINEBEA MITSUMI Inc.Inventors: Yoshihiro GOMI, Takanori KATO, Yuki TAKAHASHI
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Patent number: 12158180Abstract: A conical bearing member includes a communication hole communicating an inner peripheral surface and an outer peripheral surface of the conical bearing member, and the inner peripheral surface includes a press-fit region in contact with a shaft and an enlarged diameter region having a diameter greater than a diameter of the press-fit region and including an inner opening part of the communication hole. A tapered part having a diameter increasing toward the enlarged diameter region is provided at an end part of the press-fit region on the enlarged diameter region side.Type: GrantFiled: November 17, 2022Date of Patent: December 3, 2024Assignee: MINEBEA MITSUMI Inc.Inventors: Tadashi Akahori, Kazuya Iinuma
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Patent number: 12155331Abstract: A method for energizing a motor with a rotor by turning on a different portion of all arms, for each energization pattern, among the arms of an inverter, is provided. The method includes generating a PWM signal, for each phase, with a duty cycle of a same value, the PWM signal having a first period length that is defined by a first period during which a portion of the arms is turned on with a first energization pattern, during an idle time of the rotor; a second period during which a portion of the arms is turned on with a second energization pattern, during the idle time; and a third period during which all upper arms or all lower arms, among the arms, are turned on with a third energization pattern, during the idle time.Type: GrantFiled: March 18, 2021Date of Patent: November 26, 2024Assignee: MINEBEA MITSUMI Inc.Inventor: Toshiki Kimura
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Patent number: 12155273Abstract: A screwing machine includes a motor, an output shaft, a twist portion, a plate portion, a strain gauge, an amplification circuit. The output shaft is driven by the motor. To the output shaft, a bit is attachable. The twist portion is hollow. To the twist portion, torque applied to the output shaft is transmitted through a transmission element. The output shaft is configured to be indirectly twisted by the torque applied to the output shaft. The plate portion is integrally formed with the twist portion. The strain gauge is disposed on the twist portion. The amplification circuit is disposed on the plate portion. To the amplification circuit, a signal from the strain gauge is input.Type: GrantFiled: June 29, 2021Date of Patent: November 26, 2024Assignees: MAKITA CORPORATION, MINEBEA MITSUMI INC.Inventors: Takaharu Nakatsuka, Yuta Izutsu, Kotaro Eguchi, Kui Li
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Patent number: 12147118Abstract: A planar illumination device of an embodiment includes substrates, a reflector plate, and a plurality of optical sheets. The substrates are provided with a plurality of light sources and have a planar shape or a curved shape. The reflector plate is disposed on the substrates and has reflection surfaces surrounding the light sources. The plurality of optical sheets is disposed at the emission side of the reflector plate. The reflector plate includes flat parts on one side of a frame of the reflector plate. The optical sheets include respective a fixing region. The fixing region of the optical sheets is fixed to the flat parts. The flat parts on the side are sandwiched between both sides respectively provided with a pin protruding in a thickness direction. The optical sheets are provided with holes at positions corresponding to the pins to engage with the pins.Type: GrantFiled: July 12, 2022Date of Patent: November 19, 2024Assignee: MINEBEA MITSUMI Inc.Inventor: Kazuki Ohto
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Patent number: 12135229Abstract: An airflow measurement system includes a plurality of communication modules and an information processing apparatus. The communication module includes an airflow sensor, and a body portion including a communication unit configured to acquire data output from the airflow sensor and transmit the data to outside by wireless communication. The information processing apparatus includes a data collection unit configured to collect the data output from the airflow sensor of the plurality of communication modules, and an output unit configured to output the collected data.Type: GrantFiled: July 20, 2020Date of Patent: November 5, 2024Assignee: MINEBEA MITSUMI Inc.Inventor: Minoru Nagawatari
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Patent number: 12131457Abstract: An image processing device (10) according to an aspect of the present invention includes an acquiring section (151) and an estimation section (152). The acquiring section (151) acquires a first image and a second image obtained by capturing randomly stacked workpieces (W1a, W1b). The estimation section (152) generates a matching map of a feature of the first image and a feature of the second image, estimates a position, an orientation and a classification score of each workpiece as a target for each of the first image and the second image, and estimates the position of the workpiece, based on a matching result using the matching map and an estimation result of the position.Type: GrantFiled: October 29, 2020Date of Patent: October 29, 2024Assignee: MINEBEA MITSUMI Inc.Inventor: Yoshihiro Nakano