Patents Assigned to Dai-Ichi Seiko Co., Ltd.
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Publication number: 20230135482Abstract: An electrical connector is attached to a wiring substrate and mated with a counterpart connector connected to a signal transmission medium. A shell of the electrical connector has a pair of wall parts that contact a ground member on the counterpart connector. One wall part distant from the signal transmission medium includes a first side plate that has one end attached to a ground conductive path of the wiring substrate and extends in a direction away from the wiring substrate, a joining part that has one end joined to another end of the first side plate, and a second side plate that has one end joined to another end of the joining part and extends in a direction closer to the wiring substrate. The second side plate has a contact piece that extends in a direction away from the wiring substrate and elastically contacts the ground member.Type: ApplicationFiled: December 27, 2022Publication date: May 4, 2023Applicant: DAI-ICHI SEIKO CO., LTD.Inventor: Takashi MASUNAGA
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Patent number: 11577403Abstract: A position correction device according to an embodiment includes a movable part and a pressing part. The movable part is capable of moving a holding part that holds a connection object back and forth in each of a second direction that is orthogonal to a first direction where the holding part is moved therein in order to connect the connection object to a target connector, and a rotational direction where the holding part is rotated therein around an axis along a third direction that is orthogonal to each of the first direction and the second direction as a center. The pressing part presses the movable part that moves in the second direction to move the movable part to a neutral position in the second direction and presses the movable part that moves in the rotational direction to move the movable part to a neutral position in the rotational direction.Type: GrantFiled: April 22, 2019Date of Patent: February 14, 2023Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Shogo Matsuo
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Patent number: 11569620Abstract: An electrical connector is attached to a wiring substrate and mated with a counterpart connector connected to a signal transmission medium. A shell of the electrical connector has a pair of wall parts that contact a ground member on the counterpart connector. One wall part distant from the signal transmission medium includes a first side plate that has one end attached to a ground conductive path of the wiring substrate and extends in a direction away from the wiring substrate, a joining part that has one end joined to another end of the first side plate, and a second side plate that has one end joined to another end of the joining part and extends in a direction closer to the wiring substrate. The second side plate has a contact piece that extends in a direction away from the wiring substrate and elastically contacts the ground member.Type: GrantFiled: March 23, 2021Date of Patent: January 31, 2023Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Takashi Masunaga
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Patent number: 11448619Abstract: A through-hole (3) is disposed in a supporting substrate (2). Plate-shaped beams (4 (4A, 4B)) each includes a piezoelectric element, extends from an edge of the through-hole (3) toward an opposite edge to close a part of the through-hole (3), supports a substance adsorption film to which a constitutive substance to be detected adheres, and has a vibration frequency that is varied due to adhesion of the constitutive substance to the substance adsorption film. Drive electrodes (16) apply a voltage to the piezoelectric element to vibrate and deform the beams (4). Detection electrodes (17) detect information about the vibration frequencies of the beams (4).Type: GrantFiled: March 16, 2018Date of Patent: September 20, 2022Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Shogo Kurogi
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Patent number: 11374362Abstract: Walls are erected at both ends of an arrangement of first contacts and at locations that partition the first contacts for each signal to be transmitted, project at both ends of an arrangement of second contacts and at locations that partition the second contacts for each pair of differential signals to be transmitted, and therewith are connected to ground electrodes of a circuit board. A first shell, a second shell, and the like are mounted to a first housing and a second housing in such a manner as to be spaced apart from and cover the first contacts, the second contacts, and the walls and are connected to ground electrodes of the circuit board.Type: GrantFiled: January 7, 2021Date of Patent: June 28, 2022Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Tomoyuki Uchida
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Patent number: 11360300Abstract: An actuator includes an arm starting end having a piezoelectric element, a first end of the arm starting end connected to an inner side of a fixed frame, the arm starting end extending in a straight line, along a Y-axis direction through a gap between the fixed frame and a mirror surface, from the first end to beyond a middle point of an outer side of the mirror surface; an arm terminating end including a first end connected to the middle point of the outer side of the mirror surface, the arm terminating end extending parallel to the arm starting end; and an arm relay that connects a second end of the arm starting end to a second end of the arm terminating end, the arm relay being formed in a zigzag.Type: GrantFiled: November 1, 2017Date of Patent: June 14, 2022Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Shogo Kurogi
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Patent number: 11284196Abstract: Diaphragms (4, 5, 6, 7) each include laminated layers including a piezoelectric layer. The diaphragms (4, 5, 6, 7) are each warped to oscillate due to expansion and contraction of the piezoelectric layer or due to an oscillatory force from the outside. The diaphragms have mutually different resonance frequencies. A casing (2) has an internal space (2C) for accommodating the diaphragms (4, 5, 6, 7) and a fixing part (2D) for fixing a portion of each of the diaphragms (4, 5, 6, 7). The casing (2) transmits oscillations between the diaphragms (4, 5, 6, 7) and the outside via the fixing part (2D).Type: GrantFiled: July 14, 2017Date of Patent: March 22, 2022Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Shogo Kurogi, Keita Matsuoka, Yoshiyuki Watanabe
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Patent number: 11187600Abstract: A connector (130) is arranged between an inner support (110) and an outer support (120), and connects the inner support (110) and the outer support (120). A deformable body (140) has one end connected to the inner support (110) at a first position with respect to the direction of rotation about a Z-axis and the other end connected to the outer support (120) at a second position different from the first position, and is bent to be deformed in a radial direction by applying compressive force or tensile force between the first position and the second position. A detection body (150) includes a capacitative element including respective electrodes disposed to face the deformable body (140) and the outer support (120), and detects an elastic deformation generated in the deformable body (140) on the basis of the characteristic value of the capacitative element.Type: GrantFiled: December 26, 2017Date of Patent: November 30, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kazuto Akiba, Takahito Kamiuto, Akihiro Kuromaru
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Patent number: 11146001Abstract: A press-fit terminal includes: a cylindrical pin having a narrow portion; and a contact section. The pin has a large diameter portion that has a diameter larger than a diameter of the narrow portion. The contact section includes an elastic contact piece to come into contact with a through hole of a circuit board that is a press-fit attachment object. The contact section is fitted to the narrow portion in a way that enables the contact section to move between a first position and a second position, the first position being a position at which the elastic contact piece does not come into contact with the large diameter portion during attachment to the circuit board, the second position being a position at which the elastic contact piece comes into contact with the large diameter portion during a withdrawal from the circuit board.Type: GrantFiled: April 16, 2018Date of Patent: October 12, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Takayoshi Endo, Takuya Takeda
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Patent number: 11067541Abstract: A fixed frame (2) is fixed to an external member. An ultrasonic oscillator (3) is disposed inside the fixed frame (2) and includes a flexible first substrate and a first piezoelectric element deposited on the first substrate in the form of a thin film. The ultrasonic oscillator (3) is warped in response to expansion or contraction of the first piezoelectric element and generates ultrasonic waves. Actuator units (4) include a flexible second substrate coupling the first substrate to the fixed frame (2) and a second piezoelectric element deposited on the second substrate in the form of a thin film. The actuator units (4) are warped in response to expansion or contraction of the second piezoelectric element and cause the ultrasonic oscillator (3) to swing relative to the fixed frame (2). The fixed frame (2), the first substrate, and the second substrate are composed of the same substrate.Type: GrantFiled: September 10, 2018Date of Patent: July 20, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Shogo Kurogi
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Publication number: 20210210908Abstract: An electrical connector is attached to a wiring substrate and mated with a counterpart connector connected to a signal transmission medium. A shell of the electrical connector has a pair of wall parts that contact a ground member on the counterpart connector. One wall part distant from the signal transmission medium includes a first side plate that has one end attached to a ground conductive path of the wiring substrate and extends in a direction away from the wiring substrate, a joining part that has one end joined to another end of the first side plate, and a second side plate that has one end joined to another end of the joining part and extends in a direction closer to the wiring substrate. The second side plate has a contact piece that extends in a direction away from the wiring substrate and elastically contacts the ground member.Type: ApplicationFiled: March 23, 2021Publication date: July 8, 2021Applicant: DAI-ICHI SEIKO CO., LTD.Inventor: Takashi MASUNAGA
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Publication number: 20210184401Abstract: Walls are erected at both ends of an arrangement of first contacts and at locations that partition the first contacts for each signal to be transmitted, project at both ends of an arrangement of second contacts and at locations that partition the second contacts for each pair of differential signals to be transmitted, and therewith are connected to ground electrodes of a circuit board. A first shell, a second shell, and the like are mounted to a first housing and a second housing in such a manner as to be spaced apart from and cover the first contacts, the second contacts, and the walls and are connected to ground electrodes of the circuit board.Type: ApplicationFiled: January 7, 2021Publication date: June 17, 2021Applicant: DAI-ICHI SEIKO CO., LTD.Inventor: Tomoyuki Uchida
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Patent number: 10985504Abstract: An electrical connector is attached to a wiring substrate and mated with a counterpart connector connected to a signal transmission medium. A shell of the electrical connector has a pair of wall parts that contact a ground member on the counterpart connector. One wall part distant from the signal transmission medium includes a first side plate that has one end attached to a ground conductive path of the wiring substrate and extends in a direction away from the wiring substrate, a joining part that has one end joined to another end of the first side plate, and a second side plate that has one end joined to another end of the joining part and extends in a direction closer to the wiring substrate. The second side plate has a contact piece that extends in a direction away from the wiring substrate and elastically contacts the ground member.Type: GrantFiled: December 19, 2019Date of Patent: April 20, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Takashi Masunaga
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Publication number: 20210091512Abstract: Electromagnetic shielding about both of electric connectors, which are in a mutually mated state, can be sufficiently carried out by a simple configuration. Shield wall portions composed of electrically-conductive members opposed to contact connecting portions (board connecting portions) of a plurality of contact members arranged in multipolar shapes are provided; electromagnetic shielding functions with respect to the contact connecting portions in the respective electric connectors are obtained well by the respective shield wall portions; and, when both of the electric connectors are mated with each other, the shield wall portions are configured to be in an inner/outer double disposition relation in which they are opposed to each other and efficiently block the gaps between the shield wall portions and wiring boards so that sufficient EMI measures can be expected.Type: ApplicationFiled: December 9, 2020Publication date: March 25, 2021Applicant: DAI-ICHI SEIKO CO., LTD.Inventor: Kosuke OZEKI
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Patent number: 10951965Abstract: An oscillator (4) for warping to oscillate due to expansion and contraction of a piezoelectric layer, having a tabular shape and including a substrate and the piezoelectric layer layered on the substrate. A casing (2) has an internal space (2C) accommodating the oscillator (4) and a fixing section (2D) fixing the circumferential edge of the oscillator (4). The casing (2) is conductive of oscillations transmitted from the oscillator (4) via the fixing section (2D) to the outside. A signal input unit (3) receives an audio voltage signal input from a smartphone and applies the signal to the piezoelectric layer. The oscillator (4) has a main surface (4A) having an entire width W1 longer than the entire width of the fixing section (2D) in a direction orthogonal to a direction from the fixing section (2D) to the center of the oscillator (4).Type: GrantFiled: June 13, 2017Date of Patent: March 16, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Kenji Ogata, Shogo Kurogi, Yoshiyuki Watanabe
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Patent number: 10923858Abstract: Walls are erected at both ends of an arrangement of first contacts and at locations that partition the first contacts for each signal to be transmitted, project at both ends of an arrangement of second contacts and at locations that partition the second contacts for each pair of differential signals to be transmitted, and therewith are connected to ground electrodes of a circuit board. A first shell, a second shell, and the like are mounted to a first housing and a second housing in such a manner as to be spaced apart from and cover the first contacts, the second contacts, and the walls and are connected to ground electrodes of the circuit board.Type: GrantFiled: April 11, 2019Date of Patent: February 16, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Tomoyuki Uchida
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Patent number: 10897097Abstract: For miniaturization in a connector width direction in a configuration in which a shield shell is arranged at a position outside a contact member, a configuration is adopted in which when a ground connection section protrudes outward in the connector width direction from a first shield shell arranged outside the connector width direction of a first contact member in a first connector, an inner end surface of the ground connection section at the time of fitting between both the connectors is arranged within a range of a plate width of a second shield shell, to arrange the first shield shell inside the connector width direction of the ground connection section and arrange a second shield shell arranged outside the connector width direction of the first shield shell more inside the connector than a conventional example at the time of fitting both the connectors.Type: GrantFiled: August 29, 2018Date of Patent: January 19, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Takeshi Hirakawa
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Patent number: 10886667Abstract: Electromagnetic shielding about both of electric connectors, which are in a mutually mated state, can be sufficiently carried out by a simple configuration. Shield wall portions composed of electrically-conductive members opposed to contact connecting portions (board connecting portions) of a plurality of contact members arranged in multipolar shapes are provided; electromagnetic shielding functions with respect to the contact connecting portions in the respective electric connectors are obtained well by the respective shield wall portions; and, when both of the electric connectors are mated with each other, the shield wall portions are configured to be in an inner/outer double disposition relation in which they are opposed to each other and efficiently block the gaps between the shield wall portions and wiring boards so that sufficient EMI measures can be expected.Type: GrantFiled: June 18, 2019Date of Patent: January 5, 2021Assignee: DAI-ICHI SEIKO CO., LTD.Inventor: Kosuke Ozeki
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Patent number: D913967Type: GrantFiled: November 28, 2017Date of Patent: March 23, 2021Assignee: Dai-ichi Seiko Co., Ltd.Inventors: Takayoshi Endo, Shuji Touno, Takumi Matsunaga
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Patent number: D936612Type: GrantFiled: November 28, 2017Date of Patent: November 23, 2021Assignee: Dai-ichi Seiko Co., Ltd.Inventors: Takayoshi Endo, Shuji Touno, Takumi Matsunaga