Patents by Inventor Atsunori Hirata
Atsunori Hirata has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11894745Abstract: A vibrating motor includes a stationary portion, and a movable portion capable of vibrating with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which extends along the center axis and supports the movable portion to be able to vibrate along the center axis, and a coil including a conductive wire wound around the center axis. The bearing portion includes a first region including a coil inner region on a radially inner side of the coil.Type: GrantFiled: December 10, 2021Date of Patent: February 6, 2024Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Hiroaki Hirano, Ryoichi Mitsuhata
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Publication number: 20240030794Abstract: A vibrating motor includes a stationary portion, a movable portion to vibrate with respect to the stationary portion along a center axis extending in a vertical direction, and an elastic portion. The stationary portion includes a bearing portion supporting the movable portion to enable vibration along the center axis and having a tubular shape extending along the center axis, a coil directly or indirectly opposing at least a portion of the movable portion in a radial direction, and a housing having a tubular shape extending along the center axis. The housing houses the bearing portion, the coil, and the movable portion. The elastic portion is between the movable portion and the housing.Type: ApplicationFiled: October 5, 2023Publication date: January 25, 2024Inventors: Atsunori HIRATA, Ryoichi MITSUHATA
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Patent number: 11876426Abstract: A vibrating motor includes a stationary portion, and a movable portion able to vibrate with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which supports the movable portion to be able to vibrate along the center axis and has a tubular shape extending along the center axis, and a coil which directly or indirectly opposes at least a portion of the movable portion in a radial direction. A lower end portion of the bearing portion has a tubular shape extending along the center axis. A communication hole which penetrates in the vertical direction and allows an outside of the bearing portion and an inside of a portion above the lower end portion of the bearing portion to communicate with each other is provided on a radially inner side of the lower end portion.Type: GrantFiled: December 10, 2021Date of Patent: January 16, 2024Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Hiroaki Hirano, Ryoichi Mitsuhata
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Patent number: 11876429Abstract: A vibration motor includes a stationary portion and a movable portion vibrable in an axis direction with respect to the stationary portion. The stationary portion includes a coil and a housing. The housing includes a first region expanding in a first direction orthogonal to the axis direction, and a second region disposed on one side in a second direction orthogonal to the axis direction and the first direction relative to the first region and expanding in the first direction. In a cross-section across the axis direction, a distance in the second direction between the second region and the first region is longest at a center in the first direction of the first region. In the cross-section, a shape formed by the first and second regions is asymmetric with respect to an axis extending parallel to the first direction through a center of the housing in the second direction.Type: GrantFiled: April 21, 2022Date of Patent: January 16, 2024Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Daisuke Adachi, Hiroaki Hirano, Tomohiro Kobayashi
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Patent number: 11804765Abstract: A vibrating motor includes a stationary portion, and a movable portion able to vibrate with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which supports the movable portion to be able to vibrate along the center axis and has a tubular shape extending along the center axis, a coil which directly opposes at least a portion of the movable portion in a radial direction, and a top surface portion which is above the movable portion and connected to the movable portion with an elastic portion therebetween. The bearing portion includes a first region which opposes the movable portion in the radial direction with a first gap therebetween, and a second region which is above the first region and opposes the movable portion in the radial direction with a second gap wider than the first gap therebetween.Type: GrantFiled: December 10, 2021Date of Patent: October 31, 2023Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Ryoichi Mitsuhata
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Patent number: 11789536Abstract: An input device includes a contact body to contact an object, a pressure sensor to detect pressure of contact of the contact body with the object, a vibrator to generate a vibration to provide a tactile sensation, and a vibration controller. The vibration of the vibrator when the pressure detected based on the output of the pressure sensor is large is larger than that when the pressure detected based on the output of the pressure sensor is small.Type: GrantFiled: December 10, 2021Date of Patent: October 17, 2023Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Tomohiro Hasegawa, Daisuke Adachi, Hiroaki Hirano, Tomohiro Kobayashi
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Publication number: 20230283155Abstract: A vibration motor and a tactile device are provided. The vibration motor has: a stationary portion; a movable portion having a magnet and capable of vibrating with respect to the stationary portion along a central axis extending in an up-down direction; and an elastic member. The stationary portion has: a housing, disposed radially outside from the movable portion and having a cylindrical shape extending along the central axis; a top surface portion, disposed above the movable portion, fixed to the housing, and extended in a direction intersecting with the central axis; and a coil, capable of applying a driving force to the movable portion. The elastic member is disposed below the top surface portion and above the movable portion. The elastic member is fixed to the top surface portion and the movable portion and supports the movable portion so that the movable portion can vibrate along the central axis.Type: ApplicationFiled: May 14, 2023Publication date: September 7, 2023Applicant: NIDEC CORPORATIONInventors: Atsunori HIRATA, Ryoichi MITSUHATA
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Patent number: 11699943Abstract: A vibration motor and a tactile device are provided. The vibration motor has: a stationary portion; a movable portion having a magnet and capable of vibrating with respect to the stationary portion along a central axis extending in an up-down direction; and an elastic member. The stationary portion has: a housing, disposed radially outside from the movable portion and having a cylindrical shape extending along the central axis; a top surface portion, disposed above the movable portion, fixed to the housing, and extended in a direction intersecting with the central axis; and a coil, capable of applying a driving force to the movable portion. The elastic member is disposed below the top surface portion and above the movable portion. The elastic member is fixed to both the top surface portion and the movable portion, and supports the movable portion so that the movable portion can vibrate along the central axis.Type: GrantFiled: July 8, 2021Date of Patent: July 11, 2023Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Ryoichi Mitsuhata
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Publication number: 20230198362Abstract: A vibration motor includes a stator, a vibrator capable of vibrating in an axial direction, and an elastic member that connects the vibrator and the stator and is arranged on the axially upper side of the vibrator. The vibrator includes a mass body and a magnet member fixed to the mass body on the axially lower side of the mass body. The mass body includes a base portion extending in a radial direction and a column portion extending axially downward from the base portion. The magnet member has a hole portion recessed axially downward from an upper surface or penetrating through the magnet member. An outer edge of the hole portion is arranged radially outward of the column portion. The base portion faces an upper end of the coil in the axial direction.Type: ApplicationFiled: December 20, 2022Publication date: June 22, 2023Inventors: Atsunori HIRATA, Tomohiro KOBAYASHI
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Publication number: 20230198365Abstract: A vibration motor includes a stator, a vibrator capable of vibrating in a left-right direction, and an elastic portion that connects the vibrator and the stator. The vibrator includes a mass body including a groove recessed in an up-down direction, and a magnet fixed to the mass body inside the groove when viewed in the up-down direction. The stator includes a coil located inside the groove and opposing the magnet in the up-down direction, and a protector covering at least a portion of two ends of the coil in the left-right direction. The groove includes a first opposing surface. The protector includes a second opposing surface. The first opposing surface and the second opposing surface oppose each other in the left-right direction.Type: ApplicationFiled: December 16, 2022Publication date: June 22, 2023Inventors: Atsunori HIRATA, Tomohiro KOBAYASHI
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Patent number: 11673164Abstract: A vibration motor and a tactile device are provided. The vibration motor has: a stationary portion; a movable portion, capable of vibrating with respect to the stationary portion along a central axis extending in an up-down direction; and an elastic member. The stationary portion has: a case including a housing disposed radially outside from the movable portion and having a cylindrical shape extending along the central axis; and a coil, capable of applying a driving force to the movable portion. The movable portion has: a magnet, extending along the central axis; and a holder, disposed above the magnet. The holder has: an upper portion, extending in a direction intersecting with the central axis and disposed above an upper surface of the magnet; and a side surface portion, extending downward from a radial outer edge part of the upper portion and fixed to a radial outer side surface of the magnet.Type: GrantFiled: July 8, 2021Date of Patent: June 13, 2023Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Ryoichi Mitsuhata
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Patent number: 11670997Abstract: A vibration motor includes a stationary part, and a movable element which has a magnet and can vibrate in one direction. The stationary part includes a coil which applies a driving force to the magnet due to energization, a housing which houses the movable element and the coil therein, a first lid part which closes an end portion of the housing on one side in the one direction, and a first bearing part. The first bearing part is disposed inside the housing on the other side in the one direction from the first lid part. The first bearing part includes a bearing inner circumferential surface disposed with a gap therebetween with respect to an outer circumferential surface of a portion of the movable element on one side in the one direction.Type: GrantFiled: July 8, 2021Date of Patent: June 6, 2023Assignee: NIDEC CORPORATIONInventors: Atsunori Hirata, Tomohiro Hasegawa, Daisuke Adachi, Hiroaki Hirano, Hideki Nishimura
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Publication number: 20220345019Abstract: A vibration motor includes a stationary portion and a movable portion vibrable in an axis direction with respect to the stationary portion. The stationary portion includes a coil and a housing. The housing includes a first region expanding in a first direction orthogonal to the axis direction, and a second region disposed on one side in a second direction orthogonal to the axis direction and the first direction relative to the first region and expanding in the first direction. In a cross-section across the axis direction, a distance in the second direction between the second region and the first region is longest at a center in the first direction of the first region. In the cross-section, a shape formed by the first and second regions is asymmetric with respect to an axis extending parallel to the first direction through a center of the housing in the second direction.Type: ApplicationFiled: April 21, 2022Publication date: October 27, 2022Inventors: Atsunori HIRATA, Daisuke ADACHI, Hiroaki HIRANO, Tomohiro KOBAYASHI
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Publication number: 20220209637Abstract: A vibrating motor includes a stationary portion, and a movable portion capable of vibrating with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which extends along the center axis and supports the movable portion to be able to vibrate along the center axis, and a coil including a conductive wire wound around the center axis. The bearing portion includes a first region including a coil inner region on a radially inner side of the coil.Type: ApplicationFiled: December 10, 2021Publication date: June 30, 2022Inventors: Atsunori HIRATA, Hiroaki HIRANO, Ryoichi MITSUHATA
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Publication number: 20220209638Abstract: A vibrating motor includes a stationary portion, and a movable portion able to vibrate with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which supports the movable portion to be able to vibrate along the center axis and has a tubular shape extending along the center axis, and a coil which directly or indirectly opposes at least a portion of the movable portion in a radial direction. A lower end portion of the bearing portion has a tubular shape extending along the center axis. A communication hole which penetrates in the vertical direction and allows an outside of the bearing portion and an inside of a portion above the lower end portion of the bearing portion to communicate with each other is provided on a radially inner side of the lower end portion.Type: ApplicationFiled: December 10, 2021Publication date: June 30, 2022Inventors: Atsunori HIRATA, Hiroaki HIRANO, Ryoichi MITSUHATA
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Publication number: 20220206580Abstract: An input device includes a contact body to contact an object, a pressure sensor to detect pressure of contact of the contact body with the object, a vibrator to generate a vibration to provide a tactile sensation, and a vibration controller. The vibration of the vibrator when the pressure detected based on the output of the pressure sensor is large is larger than that when the pressure detected based on the output of the pressure sensor is small.Type: ApplicationFiled: December 10, 2021Publication date: June 30, 2022Inventors: Atsunori HIRATA, Tomohiro HASEGAWA, Daisuke ADACHI, Hiroaki HIRANO, Tomohiro KOBAYASHI
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Publication number: 20220209639Abstract: A vibrating motor includes a stationary portion, and a movable portion able to vibrate with respect to the stationary portion along a center axis extending in a vertical direction. The stationary portion includes a bearing portion which supports the movable portion to be able to vibrate along the center axis and has a tubular shape extending along the center axis, a coil which directly opposes at least a portion of the movable portion in a radial direction, and a top surface portion which is above the movable portion and connected to the movable portion with an elastic portion therebetween. The bearing portion includes a first region which opposes the movable portion in the radial direction with a first gap therebetween, and a second region which is above the first region and opposes the movable portion in the radial direction with a second gap wider than the first gap therebetween.Type: ApplicationFiled: December 10, 2021Publication date: June 30, 2022Inventors: Atsunori HIRATA, Ryoichi MITSUHATA
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Publication number: 20220109359Abstract: A vibrating motor includes a stationary portion, a movable element having a magnet member and capable of vibrating in a first direction, and an elastic member. The stationary portion has a coil that applies a driving force to the magnet member when the coil is energized, and a case that accommodates the movable element and the coil therein. The movable element has a holder member that holds one end portion in the first direction of the magnet member. The elastic member is connected to the holder member. The case has a case notch. The case notch is notched toward the other side in the first direction from one end in the first direction of the case. The holder member has a holder notch that is notched toward one side in a second direction perpendicular to the first direction. The case notch and the holder notch overlap as viewed in the second direction.Type: ApplicationFiled: October 1, 2021Publication date: April 7, 2022Inventors: Atsunori HIRATA, Tomohiro KOBAYASHI, Masanobu TAKADA
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Publication number: 20220014081Abstract: A vibration motor and a tactile device are provided. The vibration motor has: a stationary portion; a movable portion having a magnet and capable of vibrating with respect to the stationary portion along a central axis extending in an up-down direction; and an elastic member. The stationary portion has: a housing, disposed radially outside from the movable portion and having a cylindrical shape extending along the central axis; a top surface portion, disposed above the movable portion, fixed to the housing, and extended in a direction intersecting with the central axis; and a coil, capable of applying a driving force to the movable portion. The elastic member is disposed below the top surface portion and above the movable portion. The elastic member is fixed to both the top surface portion and the movable portion, and supports the movable portion so that the movable portion can vibrate along the central axis.Type: ApplicationFiled: July 8, 2021Publication date: January 13, 2022Applicant: NIDEC CORPORATIONInventors: Atsunori HIRATA, Ryoichi MITSUHATA
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Publication number: 20220008955Abstract: A vibration motor and a tactile device are provided. The vibration motor has: a stationary portion; a movable portion, capable of vibrating with respect to the stationary portion along a central axis extending in an up-down direction; and an elastic member. The stationary portion has: a case including a housing disposed radially outside from the movable portion and having a cylindrical shape extending along the central axis; and a coil, capable of applying a driving force to the movable portion. The movable portion has: a magnet, extending along the central axis; and a holder, disposed above the magnet. The holder has: an upper portion, extending in a direction intersecting with the central axis and disposed above an upper surface of the magnet; and a side surface portion, extending downward from a radial outer edge part of the upper portion and fixed to a radial outer side surface of the magnet.Type: ApplicationFiled: July 8, 2021Publication date: January 13, 2022Applicant: NIDEC CORPORATIONInventors: Atsunori HIRATA, Ryoichi MITSUHATA