Patents Assigned to Nidec Copal Corporation
  • Patent number: 10649311
    Abstract: Provides a focal-plane shutter comprising: a base plate that has an opening portion for exposure; a blade group for opening and closing the opening portion; an arm that is linked to a blade group; and a driving mechanism portion, linked to the arm, for driving the blade group through the arm, wherein: the blade group and the arm are linked through a coupling plated with a metal crystallized structure with crystallization degree of no less than 99%. This focal-plane shutter can improve the wear durability of a coupling for linking a blade group and an arm. This can prevent the production of wear debris, and prevent the coupling from becoming brittle through wear, even given repeated operations.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: May 12, 2020
    Assignee: Nidec Copal Corporation
    Inventors: Kenta Kawakami, Ushio Uemura
  • Patent number: 10651715
    Abstract: 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: Grant
    Filed: July 27, 2016
    Date of Patent: May 12, 2020
    Assignee: Nidec Copal Corporation
    Inventors: Yoshinori Katada, Shin Odajima, Shiori Ishii, Noboru Segawa
  • Publication number: 20200133397
    Abstract: A touchpad module includes a movable plate in which one surface is an operation surface of a touchpad, a support member including a facing portion facing the other surface of the movable plate, damper members for connecting the movable plate and the support member, and an actuator for vibrating the movable plate. The actuator includes an air-core coil and a magnet facing each other in a first direction in which the other surface faces the facing portion. The air-core coil is fixed to the other surface, and the magnet is fixed to the facing portion. The actuator vibrates the movable plate in a second direction perpendicular to the first direction by energizing the air-core coil.
    Type: Application
    Filed: October 24, 2019
    Publication date: April 30, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Takashi MORI
  • Publication number: 20200125174
    Abstract: In order to obtain a desirable sensation of pressing upon a touch input unit, this tactile feedback device is configured so as to comprise a case body, a touch input unit which is pressed toward the inner side of the case body by a touch operation, a vibration actuator which is fixed to the touch input unit so as to be integrated therewith and which vibrates according to the touch operation, and an elastic support member which supports the touch input unit on the case body, where the elastic support member is extended along a direction which intersects with a pressing direction P in which the touch operation is performed, with one part of the elastic support member in said extension direction being fixed to the touch input unit and another part thereof in said extension direction being fixed to the case body.
    Type: Application
    Filed: December 15, 2017
    Publication date: April 23, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Yoshinori OIKAWA, Hideaki KAMIJO, Hiroyuki HORI, Hiroyuki SUZUKI
  • Patent number: 10606147
    Abstract: Disclosed is a lens driving device includes: a lens frame; a support frame that elastically supports the lens frame in the optical-axis direction through plate springs; a base support member that elastically supports the lens frame supported by the support frame, in a direction intersecting the optical axis, through support wires; and a driving unit that drives the lens frame in one or both of the optical-axis direction and the direction intersecting the optical axis. The plate springs include elastic arm sections, respectively, which project outward of a portion at which the support frame is attached; and wire attaching sections which are connected to the elastic arm sections, respectively. A connecting position at which the wire attaching section and the elastic arm section are attached to each other is disposed outward of a fixing position where the leading end portion of a corresponding one of the support wires is fixed to the wire attaching section.
    Type: Grant
    Filed: October 22, 2015
    Date of Patent: March 31, 2020
    Assignee: Nidec Copal Corporation
    Inventor: Longji Bai
  • Publication number: 20200089081
    Abstract: A blade driving device comprising: a driving member; one or more blade members that are caused to undergo sliding motion by the driving member; a blade supporting unit for supporting the blade member slidably; and a frame for containing the driving member and a portion of the blade supporting unit, wherein the blade supporting unit comprises a blade chamber for containing a blade member between opposing thin plate members, along with an insertion portion that has an opening and that protrudes from a frame, wherein the opposing thin plate members are integrated together at least the tip end of the insertion portion.
    Type: Application
    Filed: November 24, 2017
    Publication date: March 19, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Shozo IWATO, Koji SAWANOBORI, Kazuo SHIKAMA, Kenzo IMAI, Nobuaki WATANABE
  • Publication number: 20200067393
    Abstract: The actuator includes a stationary portion that has a permanent magnet; a movable portion, having a coil, that can move in respect to the stationary portion; an elastic member that is provided on a side of the movable portion in the movement direction; and a lead wire that is provided next to the elastic member, to supply electric power to the coil while bending.
    Type: Application
    Filed: August 26, 2019
    Publication date: February 27, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Satoru ISHIKAWA, Yoshihide TONOGAI
  • Publication number: 20200067394
    Abstract: An actuator, having a case portion that includes a permanent magnet; a movable portion that is able to move in respect to the case portion; and elastic members that are provided between the case portion and the movable portion, wherein: the movable portion includes a weight portion that has a flat portion that faces the case portion and an opening portion in the flat portion, and a coil that is provided on the inside of the opening portion, wherein: a groove for connecting the opening portion and the outer surface of the weight portion is provided in the flat portion.
    Type: Application
    Filed: August 26, 2019
    Publication date: February 27, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Satoru ISHIKAWA, Yoshihide TONOGAI
  • Publication number: 20200057357
    Abstract: An imaging device, having a substrate for mounting an imaging portion; a lens barrel for holding a lens group; a shield plate covering the vicinity of the substrate; a case disposed so as to cover the lens barrel, the substrate, and the shield plate; and a coupling, for connecting the substrate and another member, connected electrically to the ground electropotential, and a biasing portion that contacts the coupling so as to receive a biasing force in the optical axial direction.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 20, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Yuta NAKAMURA
  • Patent number: 10566889
    Abstract: A linear vibration motor has a movable element including a magnet and a weight, and an elastic member are inserted into a frame. The frame supports the movable element so the movable element can freely slide axially; a coil fixed to the frame and drives the magnet axially; and an elastic member applying, to the movable element, an elastic force against the driving force of the magnet. The frame has a bottom surface plate with a bottom surface affixing the coil; an upper surface plate has an upper surface opposing the bottom surface; and a front surface plate facing the axially and supports the elastic member. The bottom surface plate has partial side surface portions that are respectively bent from both side edges of the bottom surface portion and in which an opening is formed in a central part of the partial side surface portions in the axial direction.
    Type: Grant
    Filed: August 31, 2015
    Date of Patent: February 18, 2020
    Assignee: Nidec Copal Corporation
    Inventor: Yoshinori Katada
  • Patent number: 10564515
    Abstract: To enable achievement of a reduction in the thickness in a blade driving device that includes a driving member, and to enable a reduction in size of an installation area in a blade driving device that includes a driving member. The blade driving device 1 comprises a base member 2 that has an opening 2A, one or more blade members 3 that operate so as to advance into the opening 2A or withdraw from the opening 2A, and a driving member 4 that is supported on the base member 2 and that moves within a plane that is perpendicular to an optical axis that passes through the opening 2A, for driving the blade member, wherein the driving member 4 is disposed at a position that overlaps the blade member on the periphery of the opening 2A.
    Type: Grant
    Filed: February 26, 2016
    Date of Patent: February 18, 2020
    Assignee: Nidec Copal Corporation
    Inventors: Kazuo Shikama, Longji Bai, Nobuaki Watanabe
  • Publication number: 20200050078
    Abstract: A focal plane shutter has a front blade and a rear blade for opening/closing an exposure opening formed in a shutter base plate; a front blade first driving member that is coupled to the front blade and a rear blade first driving member that is coupled to the rear blade; and a first electromagnetic actuator for driving the front blade first driving member and a second electromagnetic actuator for driving the rear blade first driving member.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 13, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Yusuke SUZUKI
  • Publication number: 20200049940
    Abstract: A lens driving device having a movable frame on which a magnet is secured, supporting the lens; a base member supporting the movable frame movably; and a cover member, equipped with an opening enabling light to be incident into the lens, covering the movable frame and a supporting face of the base member, wherein: either a coil or a position sensor that faces a magnet is provided on the supporting face of the base member. The other, either the position sensor or the coil that faces the magnet, is provided on a supporting face of the cover member, and an interconnection member that is connected to the coil or the position sensor that is provided on the cover member is formed integrally with the cover member.
    Type: Application
    Filed: March 19, 2018
    Publication date: February 13, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventors: Haruka MATSUHISA, Yusuke EHARA
  • Patent number: 10560010
    Abstract: 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: Grant
    Filed: September 27, 2016
    Date of Patent: February 11, 2020
    Assignee: Nidec Copal Corporation
    Inventors: Shin Odajima, Yoshinori Katada, Shiori Ishii, Noboru Segawa
  • Publication number: 20200041874
    Abstract: An imaging device, having a lens barrel for holding a lens group; a lens flange that is connected to the lens barrel; a front case; a rear case, disposed further in the optical axial rearward direction than the front case, for containing the lens barrel together with the front case; a waterproofing seal, disposed between the front case and the lens flange, between the rear case and the lens flange, or between the lens barrel and the lens flange; and a coupling for connecting together the front case, the rear case, and the lens flange, at a position that is to the outside, in respect to the optical axis, of the waterproofing seal.
    Type: Application
    Filed: March 30, 2018
    Publication date: February 6, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Yuta NAKAMURA
  • Publication number: 20200018382
    Abstract: A motor portion wherein a driveshaft protrudes from the front end of a motor case; a gear mechanism portion is provided on the front side of the motor portion; and a connecting member, between the motor portion and the gear mechanism portion, for connecting these coaxially, wherein: the angle of rotation or rotational speed, or the like, of the driveshaft can be detected through a detecting portion.
    Type: Application
    Filed: July 11, 2019
    Publication date: January 16, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Yosuke MOMOSE
  • Publication number: 20200012173
    Abstract: A focal-plane shutter that has a shutter base plate that has an opening; a shutter blade that opens/closes the opening; a blade arm that pivotally supports the shutter blade; and a blade drive member that has a drive pin that is connected to the blade arm. The blade drive member rotates the blade arm so as to drive the shutter blade. The blade arm has a connection hole into which the drive pin is inserted; and a restriction member that is between an inner circumferential surface of the connection hole and an outer circumferential surface of the drive pin and that restricts the movement of the drive pin inside the connection hole.
    Type: Application
    Filed: August 13, 2018
    Publication date: January 9, 2020
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Kenta KAWAKAMI
  • Publication number: 20200004041
    Abstract: Provided is an electromagnetic actuator for which the wiring structure thereof can be simplified, for which the thickness thereof can be reduced, and with which a desired drive force can be attained. An electromagnetic actuator is provided with: a base member; a drive frame that is supported so as to be movable in relation to the base member; a coil that is fixed to the base member; and a magnet that is fixed to the drive frame. The coil is formed as an injection-molded circuit part, and the base member has formed thereon a circuit that connects to the coil.
    Type: Application
    Filed: January 10, 2018
    Publication date: January 2, 2020
    Applicant: Nidec Copal Corporation
    Inventor: Haruka MATSUHISA
  • Publication number: 20200007725
    Abstract: An imaging device having a substrate having an imaging unit mounted thereupon; a lens barrel holding a lens; a holder holding the lens barrel and being connected to the substrate; and a first elastic body impelling the substrate in a first direction perpendicular to the optical axis.
    Type: Application
    Filed: January 16, 2018
    Publication date: January 2, 2020
    Applicant: Nidec Copal Corporation
    Inventor: Yuta NAKAMURA
  • Publication number: 20190391462
    Abstract: The provision of: a base plate, having an opening for an optical path; a first blade and a second blade, for opening and closing an opening, through rotating along a blade supporting face that is present over the base plate; a magnet that is secured around the rotational center of the blade; a yoke that is secured to the base plate; and a coil that is wrapped on yoke, wherein: the yoke has an adjacent piece that is adjacent to the magnet, along the blade supporting face, and a cross piece along a side face portion of the base plate, extending in a direction that is perpendicular to the adjacent piece; and the coil is disposed on the cross piece side.
    Type: Application
    Filed: January 10, 2018
    Publication date: December 26, 2019
    Applicant: NIDEC COPAL CORPORATION
    Inventor: Ryosuke USHIO