Patents by Inventor Noboru Segawa
Noboru Segawa 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: 10651715Abstract: The object of the present invention is to shorten the dimension in the axial direction to achieve compactness. The present invention has a movable element integrally provided with a magnet portion, weight portions, and shafts; a frame accommodating the movable element and enabling reciprocating motion thereof along a axial direction; a coil secured to the frame and drives the magnet portion along the axial direction; and elastic members exerting, on the movable element, elastic forces repelling the driving forces that act on the magnet portion. The shafts each extend toward a side along the axial direction. Tip ends of the shafts are configured as free ends. Bearings slidably supporting the shafts are secured to the frame. The weight portions have recessed portions that are formed along the axial direction. The shafts and the bearings are disposed in the spaces within the recessed portions.Type: GrantFiled: July 27, 2016Date of Patent: May 12, 2020Assignee: Nidec Copal CorporationInventors: Yoshinori Katada, Shin Odajima, Shiori Ishii, Noboru Segawa
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Patent number: 10560010Abstract: A linear vibration motor comprises: a movable element that comprises a magnet portion, a weight portion, and a yoke; a frame for enclosing the movable element; a coil, secured to the frame, for applying a driving force to the magnet portion so as to cause the movable element to undergo reciprocating vibration along the axial direction; and an elastic member for applying, to the movable element, an elastic force that repels the driving force that is applied to the magnet portion, wherein: a magnetic material portion (a magnetic material piece) that extend along the direction of vibration of the movable element is provided on an inner surface of the frame, and the yoke has a raised portion near the magnetic material portion (the magnetic material piece).Type: GrantFiled: September 27, 2016Date of Patent: February 11, 2020Assignee: Nidec Copal CorporationInventors: Shin Odajima, Yoshinori Katada, Shiori Ishii, Noboru Segawa
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Patent number: 10376920Abstract: This abstract replaces all prior versions of abstract in the application. The linear vibration motor comprises a movable element that is equipped with a magnet portion and a weight portion; a frame that contains the movable element; a coil that is secured to the frame and that drives the magnet portion along an axial direction; an elastic member that is disposed within the frame and that applies, to the movable element, an elastic force that repels the driving force that is applied by the magnet portion; and a guide shaft 8 that is borne on the frame and that guides reciprocating motion of the movable element along the axial direction, wherein: the elastic member rotationally biases the movable element in one direction around the guide shaft 8, and the frame comprises a slide bearing portion (a slide plate) for bearing slidably a portion of the rotationally biased movable element.Type: GrantFiled: September 27, 2016Date of Patent: August 13, 2019Assignee: Nidec Copal CorporationInventors: Yoshinori Katada, Shin Odajima, Shiori Ishii, Noboru Segawa
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Publication number: 20180281020Abstract: The linear vibration motor comprises a movable element that is equipped with a magnet portion and a weight portion; a frame that contains the movable element; a coil that is secured to the frame and that drives the magnet portion along an axial direction; an elastic member that is disposed within the frame and that applies, to the movable element, an elastic force that repels the driving force that is applied by the magnet portion; and a guide shaft 8 that is borne on the frame and that guides reciprocating motion of the movable element along the axial direction, wherein: the elastic member rotationally biases the movable element in one direction around the guide shaft 8, and the frame comprises a slide bearing portion (a slide plate) for bearing slidably a portion of the rotationally biased movable element.Type: ApplicationFiled: September 27, 2016Publication date: October 4, 2018Applicant: Nidec Copal CorporationInventors: Yoshinori KATADA, Shin ODAJIMA, Shiori ISHII, Noboru SEGAWA
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Publication number: 20180278136Abstract: A linear vibration motor comprises: a movable element that comprises a magnet portion, a weight portion, and a yoke; a frame for enclosing the movable element; a coil, secured to the frame, for applying a driving force to the magnet portion so as to cause the movable element to undergo reciprocating vibration along the axial direction; and an elastic member for applying, to the movable element, an elastic force that repels the driving force that is applied to the magnet portion, wherein: a magnetic material portion (a magnetic material piece) that extend along the direction of vibration of the movable element is provided on an inner surface of the frame, and the yoke has a raised portion near the magnetic material portion (the magnetic material piece).Type: ApplicationFiled: September 27, 2016Publication date: September 27, 2018Applicant: Nidec Copal CorporationInventors: Shin ODAJIMA, Yoshinori KATADA, Shiori ISHII, Noboru SEGAWA
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Publication number: 20180219465Abstract: The object of the present invention is to shorten the dimension in the axial direction to achieve compactness. The present invention has a movable element integrally provided with a magnet portion, weight portions, and shafts; a frame accommodating the movable element and enabling reciprocating motion thereof along a axial direction; a coil secured to the frame and drives the magnet portion along the axial direction; and elastic members exerting, on the movable element, elastic forces repelling the driving forces that act on the magnet portion. The shafts each extend toward a side along the axial direction. Tip ends of the shafts are configured as free ends. Bearings slidably supporting the shafts are secured to the frame. The weight portions have recessed portions that are formed along the axial direction. The shafts and the bearings are disposed in the spaces within the recessed portions.Type: ApplicationFiled: July 27, 2016Publication date: August 2, 2018Applicant: Nidec Copal CorporationInventors: Yoshinori KATADA, Shin ODAJIMA, Shiori ISHII, Noboru SEGAWA
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Publication number: 20180001348Abstract: A vibration actuator having a plate-shaped body made from a magnetic material that has a planar supporting face; a movable element that vibrates in the axial direction along the supporting face, in direct contact, or partial contact through contacts, with a plurality of locations of the supporting face; an elastic member for elastically repelling the vibration of the movable element; and a coil, wherein a winding part is secured to the plate-shaped body, and is perpendicular, in relation to the axial direction, to a gap between the movable element and the plate-shaped body; wherein the movable element has a magnetic flux, which passes through the winding part of the coil, formed between the movable element and the plate-shaped body, and is provided with a magnet for magnetically attracting the movable element toward the supporting face side.Type: ApplicationFiled: January 15, 2016Publication date: January 4, 2018Applicant: Nidec Copal CorporationInventors: Shiori ISHII, Noboru SEGAWA, Yoshinori FUKASAKU
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Patent number: 8525384Abstract: A vibration motor includes: a core pivotally supported on a shaft; a commutator for supplying electric current to a coil; a commutator holder having through holes extending in an axial direction of the shaft; and chip type varistors fitted into the through holes. The commutator is provided with conductors extending in the axial direction of the shaft, and the conductors are inserted into the through holes and press-fixed to end electrodes of the chip type varistors. A first protrusion is provided on a first wall surface forming each through hole, and a second protrusion facing the first protrusion is provided on a second wall surface.Type: GrantFiled: March 10, 2009Date of Patent: September 3, 2013Assignee: Nidec Copal CorporationInventor: Noboru Segawa
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Patent number: 8242642Abstract: A vibration actuator includes a coil that extends in a vibration direction and has a flat shape and a magnet that extends in the vibration direction and has a flat shape, so that a case can be made flat or low profile. A weight portion is supported by a shaft, so that, when a drop impact is applied, the weight portion can move along the shaft and the weight portion is not freely moved in the case. A coil spring is disposed between a spring receiving portion and a weight portion. Therefore there is no unnecessary space in the case, so that space can be saved and the vibration actuator can be made compact.Type: GrantFiled: October 29, 2010Date of Patent: August 14, 2012Assignee: Nidec Copal CorporationInventors: Shin Odajima, Noboru Segawa, Yoshihide Tonogai, Ryuta Yamawaki, Tomoaki Hoshina
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Publication number: 20110101796Abstract: A vibration actuator includes a coil that extends in a vibration direction and has a flat shape and a magnet that extends in the vibration direction and has a flat shape, so that a case can be made flat or low profile. A weight portion is supported by a shaft, so that, when a drop impact is applied, the weight portion can move along the shaft and the weight portion is not freely moved in the case. A coil spring is disposed between a spring receiving portion and a weight portion. Therefore there is no unnecessary space in the case, so that space can be saved and the vibration actuator can be made compact.Type: ApplicationFiled: October 29, 2010Publication date: May 5, 2011Applicant: NIDEC COPAL CORPORATIONInventors: Shin ODAJIMA, Noboru SEGAWA, Yoshihide TONOGAI, Ryuta YAMAWAKI, Tomoaki HOSHINA
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Publication number: 20110001384Abstract: A vibration motor includes: a core pivotally supported on a shaft; a commutator for supplying electric current to a coil; a commutator holder having through holes extending in an axial direction of the shaft; and chip type varistors fitted into the through holes. The commutator is provided with conductors extending in the axial direction of the shaft, and the conductors are inserted into the through holes and press-fixed to end electrodes of the chip type varistors. A first protrusion is provided on a first wall surface forming each through hole, and a second protrusion facing the first protrusion is provided on a second wall surface.Type: ApplicationFiled: March 10, 2009Publication date: January 6, 2011Applicant: NIDEC COPAL CORPORATIONInventor: Noboru Segawa
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Patent number: 7619335Abstract: A vibration motor having a tubular case, a shaft protruding from a front end of the case, a weight eccentrically fixed to an end of the shaft, and a metallic holder surrounding the case, the holder being surface-mounted on a wiring board by reflow-soldering, wherein the holder has a planate bottom placed on the wiring board, a pair of forward tilting prevention portions that extends up to a position facing the weight is formed at the bottom, a notch is provided on a center line extending along the bottom between the forward tilting prevention portions, and the notch extends from the front end of the forward tilting prevention portions beyond the position facing the weight.Type: GrantFiled: April 4, 2007Date of Patent: November 17, 2009Assignee: Nidec Copal CorporationInventors: Kazuhisa Suzuki, Noboru Segawa
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Publication number: 20070241626Abstract: A vibration motor having a tubular case, a shaft protruding from a front end of the case, a weight eccentrically fixed to an end of the shaft, and a metallic holder surrounding the case, the holder being surface-mounted on a wiring board by reflow-soldering, wherein the holder has a planate bottom placed on the wiring board, a pair of forward tilting prevention portions that extends up to a position facing the weight is formed at the bottom, a notch is provided on a center line extending along the bottom between the forward tilting prevention portions, and the notch extends from the front end of the forward tilting prevention portions beyond the position facing the weight.Type: ApplicationFiled: April 4, 2007Publication date: October 18, 2007Inventors: Kazuhisa Suzuki, Noboru Segawa
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Patent number: 7129607Abstract: The present invention aims at providing a motor which can stably be mounted on a circuit board when being assembled into an instrument in particular. The motor 1 in accordance with the present invention comprises a motor body A, an output shaft 3 projecting from a front end of the motor body A, and a voltage-supplying terminal 8 provided in the motor body A, the terminal 8 having an elastic force in a direction substantially orthogonal to the output shaft 3 and also having a grounding portion 14 disposed near a rear end of the motor body A.Type: GrantFiled: September 9, 2005Date of Patent: October 31, 2006Assignee: Nidec Copal CorporationInventor: Noboru Segawa
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Patent number: 7056476Abstract: A refrigerator includes a deodorizer disposed in a cold air circulation path for deodorizing an atmosphere in the refrigerator. The deodorizer includes discharging means for producing ozone and ultraviolet rays by means of high-voltage discharge and a photocatalyst module for decomposing an odor component and injurious matter contained in the atmosphere by means of photocatalyst.Type: GrantFiled: October 11, 2001Date of Patent: June 6, 2006Assignee: Kabushiki Kaisha ToshibaInventors: Daishin Okada, Noboru Segawa, Naohiko Shimura, Takeshi Imamura, Takao Hattori, Takumi Oikawa
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Publication number: 20060006750Abstract: The present invention aims at providing a motor which can stably be mounted on a circuit board when being assembled into an instrument in particular. The motor 1 in accordance with the present invention comprises a motor body A, an output shaft 3 projecting from a front end of the motor body A, and a voltage-supplying terminal 8 provided in the motor body A, the terminal 8 having an elastic force in a direction substantially orthogonal to the output shaft 3 and also having a grounding portion 14 disposed near a rear end of the motor body A.Type: ApplicationFiled: September 9, 2005Publication date: January 12, 2006Inventor: Noboru Segawa
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Patent number: 6954015Abstract: The present invention aims at providing a motor which can stably be mounted on a circuit board when being assembled into an instrument in particular. The motor 1 in accordance with the present invention comprises a motor body A, an output shaft 3 projecting from a front end of the motor body A, and a voltage-supplying terminal 8 provided in the motor body A, the terminal 8 having an elastic force in a direction substantially orthogonal to the output shaft 3 and also having a grounding portion 14 disposed near a rear end of the motor body A.Type: GrantFiled: March 9, 2004Date of Patent: October 11, 2005Assignee: Nidec Copal CorporationInventor: Noboru Segawa
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Patent number: 6866828Abstract: A photocatalysis apparatus has at least one unit structure (2). The unit structure has a photocatalyst module (6) and a pair of discharge electrodes (5) sandwiching the photocatalyst module. The photocatalyst module includes a photocatalyst and a three-dimensional ceramic mesh base carrying the photocatalyst. At least one of the discharge electrodes is a three-dimensional discharge electrode having an electrode body (3) and a conductive frame (4). The electrode body consists of cells made of a conductive foil and has front, back, and side faces. The front and back faces are separated from each other by a predetermined distance and have a shape selected from a group including a honeycomb, a lattice, and a mesh. The side faces of the electrode body is covered with the conductive frame.Type: GrantFiled: April 22, 2002Date of Patent: March 15, 2005Assignee: Kabushiki Kaisha ToshibaInventors: Noboru Segawa, Yutaka Uchida, Takeshi Imamura, Naohiko Shimura
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Publication number: 20040175318Abstract: An odor component in an air is deodorized by an ozone generating member in an ozone an ozone generating area formed in a path through which the air flows, the generated ozone is decomposed by an ozone decomposing member in an ozone decomposing area, and a carbon monoxide, generated in, for example, through incomplete combustion, a CO adsorbing area in the path is adsorbed and carried by a CO adsorbing member. The ozone decomposing area and the CO adsorbing area are formed in a common oxidizing reaction area in which the carbon monoxide is oxidized by using active oxygen generated through the ozone decomposing step in the oxidizing reaction area.Type: ApplicationFiled: March 10, 2004Publication date: September 9, 2004Applicant: KABUSHIKI KAISHA TOSHIBAInventors: Noboru Segawa, Kuniyuki Araki
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Publication number: 20040169426Abstract: The present invention aims at providing a motor which can stably be mounted on a circuit board when being assembled into an instrument in particular. The motor 1 in accordance with the present invention comprises a motor body A, an output shaft 3 projecting from a front end of the motor body A, and a voltage-supplying terminal 8 provided in the motor body A, the terminal 8 having an elastic force in a direction substantially orthogonal to the output shaft 3 and also having a grounding portion 14 disposed near a rear end of the motor body A.Type: ApplicationFiled: March 9, 2004Publication date: September 2, 2004Applicant: NIDEC COPAL CORPORATIONInventor: Noboru Segawa