Polarity-responsive Patents (Class 335/78)
  • Patent number: 9734951
    Abstract: A MEMS electrostatic actuator comprises first and second opposing electrode arrangements, wherein at least one of the electrode arrangements is movable. A dielectric material (24) is adjacent the one of the electrode arrangements (22). The second electrode arrangement is patterned such that it includes electrode areas (26) and spaces adjacent the electrode areas, wherein the dielectric material (24) extends at least partially in or over the spaces. The invention uses a multitude of electrode portions as one plate. The electric field lines thus form clusters between the individual electrode portions and the opposing electrode. This arrangement provides an extended range of continuous actuation and tunability.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: August 15, 2017
    Assignee: NXP B.V.
    Inventors: Klaus Reimann, Aarnoud Laurens Roest, Jin Liu
  • Patent number: 9709800
    Abstract: In an electro-optical device, a mirror and the like which is formed on an element substrate is sealed using a sealing member. The sealing member is provided with a frame section and a coyer section. In addition, the sealing member is provided on one face of the element substrate so that the mirror is surrounded by the element substrate and the sealing member and such that the mirror is positioned between a portion of the cover section and the element substrate. The sealing member is formed of a light-transmitting member having a frame section and a cover section which are integrally formed, and there is no interface between the frame section and the cover section.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: July 18, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Suguru Uchiyama, Terunao Hanaoka
  • Patent number: 9613772
    Abstract: The contact device includes an armature, a driver, a fixed contact, a movable contact, a contact spring, a card, a case, and a positioning member. The driver is for driving the armature. The movable contact is to be in contact with and separate from the fixed contact. The contact spring is for holding the movable contact so as to allow movement of the movable contact. The card interconnects the armature and the contact spring. The case is a synthetic resin molded product. The positioning member is provided as a separate part from the case. The positioning member is for determining a positional relationship between the armature, the driver, the fixed contact, the movable contact, the contact spring, and the card, and is accommodated in the case.
    Type: Grant
    Filed: May 12, 2015
    Date of Patent: April 4, 2017
    Assignee: Panasonic Intellectual Property Management Co., Ltd.
    Inventors: Kazuhisa Kinoshita, Hideki Watanabe
  • Patent number: 9595824
    Abstract: A self-testing fault detector having a line side and a load side and a conductive path there between is provided. The self-testing fault detector includes an auto-monitoring circuit electrically coupled to a fault detection circuit and an interrupting device and it continuously monitors one or more signals to determine an operating state of the fault detector. At least one of the monitored signals includes a fault detection signal, wherein if said automonitoring circuit determines that the fault detection circuit is not properly driving the interrupting device, the automonitoring device converts an input-output port receiving the fault detection signal from an input to an output and drives the interrupting device into a tripped condition using the input-output port.
    Type: Grant
    Filed: March 11, 2014
    Date of Patent: March 14, 2017
    Assignee: Hubbell Incorporated
    Inventors: Thomas James Batko, Joseph Vincent DeBartolo
  • Patent number: 9586813
    Abstract: This document refers to multi-die micromechanical system (MEMS) packages. In an example, a multi-die MEMS package can include a controller integrated circuit (IC) configured to couple to a circuit board, a MEMS IC mounted to a first side of the controller IC, a through silicon via extending through the controller IC between the first side and a second side of the controller IC, the second side opposite the first side, and wherein the MEMS IC is coupled to the through silicon via.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: March 7, 2017
    Assignee: FAIRCHILD SEMICONDUCTOR CORPORATION
    Inventors: Janusz Bryzek, John Gardner Bloomsburgh, Cenk Acar
  • Patent number: 9573802
    Abstract: The disclosure generally relates to method and apparatus for forming three-dimensional MEMS. More specifically, the disclosure relates to a method of controlling out-of-plane buckling in microstructural devices so as to create micro-structures with out-of-plane dimensions which are 1×, 5×, 10×, 100× or 500× the film's thickness or above the surface of the wafer. An exemplary device formed according to the disclosed principles, includes a three dimensional accelerometer having microbridges extending both above and below the wafer surface.
    Type: Grant
    Filed: February 15, 2012
    Date of Patent: February 21, 2017
    Assignee: Massachusetts Institute of Technology
    Inventors: Brian Lee Wardle, Fabio Ferruccio Fachin, Stefan Nikles, Mathew Varghese
  • Patent number: 9557561
    Abstract: After a first wafer on which mirrors and terminals are formed and a second wafer for sealing are stacked and bonded together, the first wafer and the second wafer are diced to manufacture electro-optical devices. In doing so, in a second surface of the second wafer, recesses overlapping the mirrors in a plan view are previously formed, and also grooves overlapping the terminals in the plan view are previously formed. For this reason, when the second wafer is diced along the grooves by advancing a dicing blade for second wafer from a third surface of the second wafer, the dicing blade for second wafer can be prevented from coming into contact with the terminal.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: January 31, 2017
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Manabu Kondo
  • Patent number: 9520245
    Abstract: The present invention provides a means in which contact between contacts in a “double-break (or double-make) contact structure” occurs in two places in the same state as much as possible. A contact structure includes two fixed members (110,112) each of which has a fixed contact (116,118) and a movable member (102) containing a movable contact (106) which contacts or separates from the fixed contact of each of the fixed members. The movable member is in the form of a strip as a whole, its one end is supported so as to allow the above mentioned contact and separation of the movable member, and the other end of the movable member has the movable contact, and the movable member has a narrowed section between its two ends.
    Type: Grant
    Filed: November 9, 2011
    Date of Patent: December 13, 2016
    Assignee: TYCO ELECTRONICS JAPAN G.K.
    Inventors: Arata Tanaka, Katsuaki Suzuki
  • Patent number: 9511997
    Abstract: A method for forming an integrated circuit device includes forming a dielectric layer onto a first substrate, forming a sacrificial material into a sacrificial cavity formed into the dielectric layer, forming a membrane layer over the dielectric layer and sacrificial material, releasing the sacrificial material through at least one via formed through the membrane layer, and bonding a capping substrate to the membrane layer such that a second cavity is formed, the second cavity being connected to the sacrificial cavity though a via formed into the membrane layer.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: December 6, 2016
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Chun-Wen Cheng, Chia-Hua Chu
  • Patent number: 9496110
    Abstract: Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and usage, and design structures are disclosed herein. The method includes applying a first voltage polarity to an actuator of a Micro-Electro-Mechanical System (MEMS) structure to place the MEMS structure in a predetermined state for a first operating condition. The method further includes applying a second voltage polarity which is opposite from the first voltage polarity to the actuator of the MEMS structure during a subsequent operating condition.
    Type: Grant
    Filed: June 18, 2013
    Date of Patent: November 15, 2016
    Assignee: GLOBALFOUNDRIES INC.
    Inventors: Ward A. Johnson, Jenifer E. Lary, Anthony K. Stamper, Kimball M. Watson, Pui L. Yee
  • Patent number: 9490083
    Abstract: An electrical contactor has a first terminal having a fixed member with at least one fixed electrical contact, a second terminal, and a busbar connected to the second terminal. Two conductive movable arms are connected to the busbar and have a contact thereon. One arm is biased-closed to contact the fixed electrical contact in the absence of a separating force, and the other arm is biased-open to be spaced away from the fixed electrical contact in the absence of a closing force. The first and second movable arms and the busbar are arranged so that, when the contacts close, contra-flowing current urges the movable arms towards the fixed member to increase a force between the contacts.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: November 8, 2016
    Assignee: Johnson Electric S.A.
    Inventor: Richard Anthony Connell
  • Patent number: 9448176
    Abstract: A variable wavelength interference filter includes a stationary substrate, a movable substrate bonded to the stationary substrate, a stationary reflecting film provided to the stationary substrate, a movable reflecting film provided to the movable substrate, and opposed to the stationary reflecting film across an inter-reflecting film gap, and an electrostatic actuator adapted to vary the gap amount of the inter-reflecting film gap by deflecting the movable substrate toward the stationary substrate, a releasing space to which air between the stationary reflecting film and the movable reflecting film moves when the gap amount of the inter-reflecting film gap is reduced is provided between the stationary substrate and the movable substrate, and assuming that a spring constant of the movable substrate is kv, and a spring constant of the air existing in the inter-reflecting film gap is kair, kv?20×kair is satisfied.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: September 20, 2016
    Assignee: Seiko Epson Corporation
    Inventors: Yasushi Matsuno, Akira Sano
  • Patent number: 9412545
    Abstract: An electromagnetic relay includes a contact part including a fixed contact and a movable contact, the movable contact being displaceable in an approaching/separating direction with respect to the fixed contact; a drive part including a coil, a movable core, and a fixed core, the movable core being connected to the movable contact via an axial core, and the fixed core including a first plate member having a through hole through which the axial core is inserted and a second plate member that encapsulates the coil; and a permanent magnet polarized in a direction substantially perpendicular to the approaching/separating direction. The first plate member or the second plate member includes an extension part that extends toward the contact part, the extension part being configured to hold the permanent magnet.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: August 9, 2016
    Assignee: FUJITSU COMPONENT LIMITED
    Inventors: Kazuo Kubono, Yoichi Hasegawa
  • Patent number: 9336953
    Abstract: The present invention generally relates to methods for increasing the lifetime of MEMS devices by reducing the number of movements of a switching element in the MEMS device. Rather than returning to a ground state between cycles, the switching element can remain in the same state if both cycles necessitate the same capacitance. For example, if in both a first and second cycle, the switching element of the MEMS device is in a state of high capacitance the switching element can remain in place between the first and second cycle rather than move to the ground state. Even if the polarity of the capacitance is different in successive cycles, the switching element can remain in place and the polarity can be switched. Because the switching element remains in place between cycles, the switching element, while having the same finite number of movements, should have a longer lifetime.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: May 10, 2016
    Assignee: CAVENDISH KINETICS INC.
    Inventors: Cong Quoc Khieu, Vikram Joshi, Richard L. Knipe
  • Patent number: 9330872
    Abstract: An electromagnetic relay includes a contact that includes a fixed contact and a movable contact, a permanent magnet provided on the peripheral side of the contact, and a non-magnetic body. The movable contact is displaceable in a first direction to move toward the fixed contact and in a second direction to move away from the fixed contact. The permanent magnet has a polarity direction perpendicular to the first and second directions. The non-magnetic body faces toward the direction of a Lorentz force that acts based on the permanent magnet in a direct electric current flowing through the contact.
    Type: Grant
    Filed: April 25, 2014
    Date of Patent: May 3, 2016
    Assignees: FUJITSU COMPONENT LIMITED, NATIONAL UNIVERSITY CORPORATION SHIZUOKA UNIVERSITY
    Inventors: Kazuo Kubono, Takashi Yuba, Yoichi Hasegawa, Takuji Murakoshi, Junya Sekikawa
  • Patent number: 9302901
    Abstract: The invention provides a MEMS device with enhanced structural strength. The MEMS device includes a plurality of metal layers, including a top metal layer with a plurality of metal segments. The metal segments are individually connected to an adjacent metal layer immediately under the top metal layer through at least one supporting pillar, and there is no dielectric layer between the metal segments and the adjacent metal layer immediately under the top metal layer. The metal layers except the top metal layer are respectively connected to their adjacent metal layers through at least one supporting pillar and a dielectric layer filling in between.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: April 5, 2016
    Assignee: PIXART IMAGING INCORPORATION
    Inventors: Chih-Ming Sun, Ming-Han Tsai, Hsin-Hui Hsu, WeiChung Wang
  • Patent number: 9269497
    Abstract: A switchable capacitor including a first electrode, a dielectric layer on the first electrode, a second electrode configured to be suspended in an undeflected position over the dielectric layer in a de-activated state, and to deflect toward the first electrode in an activated state in response to a voltage difference between the two electrodes, a gap between the second electrode and the dielectric layer in the activated state being less than a corresponding gap in the de-activated state, and a capacitor having a first and second end, coupled to one of the electrodes at the first end, and configured to reduce the voltage difference between the electrodes as the second electrode deflects toward the first electrode in the activated state, wherein the voltage difference between the electrodes corresponds to a bias voltage applied across the second end of the capacitor and an other one of the first and second electrodes.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: February 23, 2016
    Assignee: RAYTHEON COMPANY
    Inventor: Francis J. Morris
  • Patent number: 9230751
    Abstract: Disclosed is a micro-electro-mechanical switch, including a substrate having a gate connection, a source connection, a drain connection and a switch structure, coupled to the substrate. The switch structure includes a beam member, an anchor and a hinge. The beam member having a length sufficient to overhang both the gate connection and the drain connection. The anchor coupling the switch structure to the substrate, the anchor having a width. The hinge coupling the beam member to the anchor at a respective position along the anchor's length, the hinge to flex in response to a charge differential established between the gate and the beam member. The switch structure having gaps between the substrate and the anchor in regions proximate to the hinges.
    Type: Grant
    Filed: January 8, 2014
    Date of Patent: January 5, 2016
    Assignee: ANALOG DEVICES, INC.
    Inventors: Denis Ellis, Padraig Fitzgerald, Jo-ey Wong, Raymond Goggin, Richard Tarik Eckl
  • Patent number: 9195307
    Abstract: An operator control device has an operator control element with haptic feedback. The operator element includes one or more sensors and can be activated by an operator by an inputting element. The operating control device includes first and second ferromagnetic two-dimensional components. The components are arranged in parallel and configured to move relative to each other. The first ferromagnetic two-dimensional component is configured to form the operator control element. The first ferromagnetic two-dimensional component includes at least one flat coil that is arranged on a printed circuit board and is arranged between the ferromagnetic components. The first and second ferromagnetic two-dimensional components are configured to move with respect to each other when said at least one flat coil is energized, and the printed circuit board bearing the flat coil is permanently arranged on a face of said second ferromagnetic two-dimensional component.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: November 24, 2015
    Assignee: Continental Automotive GmbH
    Inventors: Werner Lange, Ingo Zoller
  • Patent number: 9187311
    Abstract: According to one embodiment, a MEMS device comprises a first electrode provided on a support substrate, a second electrode opposed to the first electrode and movable in the direction it is opposed to the first electrode, and beam parts, each connected to those sides of the second electrode, which oppose to each other, and each supporting the second electrode. The second electrode has a slit extending parallel to the sides to which the beam parts are connected and opening at both the front and the back. Further, the second electrode has at least one bridge part extending over the slit, crossing the slit and made of a material different from that of the second electrode.
    Type: Grant
    Filed: August 13, 2013
    Date of Patent: November 17, 2015
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Hiroaki Yamazaki, Haruka Kubo
  • Patent number: 9170418
    Abstract: A variable wavelength interference filter includes a first substrate having a fixed mirror, a second substrate bonded to the first substrate and having a movable portion and a movable mirror fixed to the movable portion, a third substrate bonded to the second substrate on the side opposite to the first substrate, and an electrostatic actuator which displaces the movable portion in a substrate thickness direction, wherein a penetration hole connecting a light exiting-side space between the first substrate and the second substrate and a light incident-side space between the second substrate and the third substrate to a space outside the filter is formed, and the penetration hole is sealed with a sealant which tightly closes each space in a reduced-pressure state.
    Type: Grant
    Filed: February 8, 2012
    Date of Patent: October 27, 2015
    Assignee: Seiko Epson Corporation
    Inventors: Katsuji Arakawa, Nozomu Hirokubo, Hiroshi Komatsu
  • Patent number: 9165723
    Abstract: Embodiments of switches (10) include first and second electrical conductors (34, 36) suspended within an electrically-conductive housing (28), and a contact element (16) having an electrically-conductive portion (53b) that establishes electrical contact between the first and second electrical conductors (34, 36) when the contact element (16) is in a closed position. The electrically-conductive portion (53b) is electrically isolated from a ground plane (27) of the switch (10) by adjacent electrically-insulative portions (53a, 53c) of the contact element (16).
    Type: Grant
    Filed: November 9, 2012
    Date of Patent: October 20, 2015
    Assignee: Harris Corporation
    Inventors: John E. Rogers, Michael R. Weatherspoon
  • Patent number: 9117611
    Abstract: An electromagnetic contactor has a contact device including a pair of fixed contacts disposed maintaining a predetermined distance and a movable contact disposed to be capable of contacting to and separating from the pair of fixed contacts. The pair of fixed contacts each includes a support conductor portion supported by an upper plate of a contact housing case, and a contact conductor portion connected to an end portion of the support conductor portion. The contact conductor portion includes a contact plate portion formed with a contact portion, and a connecting plate portion formed on an outer end portion of the contact plate portion and extending to the upper plate side. The movable contact is mounted onto a connecting shaft connected to a drive portion through a contact spring on an end portion on the upper plate side, and disposed to face the contact portion of the pair of fixed contacts.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: August 25, 2015
    Assignees: FUJI ELECTRIC FA COMPONENTS & SYSTEMS CO., LTD., FUJI ELECTRIC CO., LTD.
    Inventors: Yasuhiro Naka, Kouetsu Takaya, Kenji Suzuki, Osamu Kashimura
  • Patent number: 9118143
    Abstract: A mechanism is described for facilitating and employing a magnetic grid array according to one embodiment. A method of embodiments may include engaging, via magnetic force of a magnet, magnetic contacts of a magnetic grid array to substrate lands of a package substrate of an integrated circuit package of a computing system, and disengaging, via a removal lever, the magnetic contacts from the substrate lands.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: August 25, 2015
    Assignee: Intel Corporation
    Inventors: Gregorio R. Murtagian, Bhanu Jaiswal, Sriram Srinivasan, Michael J. Hill
  • Patent number: 9093239
    Abstract: An electromagnetic relay (1) is formed by assembling a drive part (30), mobile body (50) that moves when the drive part (30) is driven, and a plurality of contact mechanisms (60, 70) that switch the contact and separation of contacts (61d, 62d, 71d, 72d) by the movement of the mobile body (50) in a body (40). Furthermore, the plurality of contact mechanisms (60, 70) has respective movable contact parts (61, 71) and fixed contact parts (62, 72). The electromagnetic relay (1) has at least one contact mechanism (60) provided with contacts (61d, 62d) connected respectively to the movable contact part (61) and fixed contact part (62) and also has at least one contact mechanism (70) in which either or both of the movable contact part (71) and fixed contact part (72) is provided with a plurality of contacts (71d, 72d).
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: July 28, 2015
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventor: Yoshimasa Kato
  • Patent number: 9083309
    Abstract: A movable section located in a hollow portion covered with a wall and a first sealing layer which are on a substrate and the first sealing layer located in an area facing the movable section are provided, the movable section is located between the substrate and the first sealing layer, and at least part of the movable section and the first sealing layer is an electric conductor.
    Type: Grant
    Filed: November 16, 2011
    Date of Patent: July 14, 2015
    Assignee: Seiko Epson Corporation
    Inventor: Yoko Kanemoto
  • Patent number: 9070524
    Abstract: The present invention provides a capacitive MEMS device comprising a first electrode lying in a plane, and a second electrode suspended above the first electrode and movable with respect to the first electrode. The first electrode functions as an actuation electrode. A gap is present between the first electrode and the second electrode. A third electrode is placed intermediate the first and second electrode with the gap between the third electrode and the second electrode. The third electrode has one or a plurality of holes therein, preferably in an orderly or irregular array. An aspect of the present invention integration of a conductive, e.g. metallic grating as a middle (or third) electrode. An advantage of the present invention is that it can reduce at least one problem of the prior art. This advantage allows an independent control over the pull-in and release voltage of a switch.
    Type: Grant
    Filed: May 7, 2010
    Date of Patent: June 30, 2015
    Assignee: NXP, B.V.
    Inventors: Peter Gerard Steeneken, Hilco Suy, Rodolf Herfst, Twan Van Lippen
  • Patent number: 9053873
    Abstract: Embodiments of switches (10) include electrically-conductive housings (30, 60), and electrical conductors (34, 64) suspended within and electrically isolated from the housings (30, 60). Another electrical conductor (52) is configured to move between a first position at which the electrical conductor (52) is electrically isolated from the electrical conductors (34, 64) within the housings (30, 60), and a second position at which the electrical conductor (52) is in electrical contact with the electrical conductors (34, 64) within the housings (30, 60). The switches (10) further include an actuator (70, 72, 74, 76) comprising an electrically-conductive base (80) and an electrically-conductive arm (82a, 82b) having a first end restrained by the base (80). The electrical conductor (52) is supported by the arm (82a, 82b), and the arm (82a, 82b) is operative to deflect and thereby move the electrical conductor (52) between its first and second positions.
    Type: Grant
    Filed: September 20, 2012
    Date of Patent: June 9, 2015
    Assignee: Harris Corporation
    Inventors: John E. Rogers, Michael R. Weatherspoon
  • Patent number: 9048717
    Abstract: A power generator includes a first array of magnets or a first sheet magnet, a first conductor, and a power management circuit. The first array comprises a one dimensional or two dimensional array of magnets. The first sheet magnet includes a one dimensional or two dimensional array of alternating magnetic poles. The first conductor comprises a first serpentine conductor that is on a plurality of layers of a first multilayer printed circuit board or a first serpentine conductor that is on one or more planes. The power management circuit provides DC power as a result of relative motion between the first array of magnets or the first sheet magnet and the first conductor.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: June 2, 2015
    Assignee: EcoHarvester, Inc.
    Inventors: Eri Takahashi, Shadrach Joseph Roundy
  • Patent number: 9048053
    Abstract: An electrostatic micro relay has a substrate, a signal line arranged on the substrate and having an input point configured to receive a signal and a plurality of signal channels configured to distribute the signal, the plurality of signal channels being each formed with a fixed contact, a plurality of movable contacts, each provided with respect to each of the fixed contacts and arranged so as to be opposed to a corresponding fixed contact across a space, a plurality of movable electrodes, each connected to each of the plurality of movable contacts and configured to make the connected movable contact brought into contact with and separated from the corresponding fixed contact, a cap, formed with a space configured to house the plurality of movable electrodes, and bonded with the substrate, and a signal input portion.
    Type: Grant
    Filed: October 10, 2013
    Date of Patent: June 2, 2015
    Assignee: OMRON Corporation
    Inventors: Daisuke Morihara, Takahiro Masuda, Yasuhiro Horimoto
  • Patent number: 9041499
    Abstract: A nano-electromechanical switch and a method for designing a nano-electromechanical switch. The nano-electromechanical switch includes at least one actuator electrode and a curved cantilever beam. The curved cantilever beam is adapted to flex in response to an activation voltage applied between the actuator electrode and the curved cantilever beam to provide an electrical contact between the curved cantilever beam and an output electrode of the nano-electromechanical switch. Before, during and after the curved cantilever beam flex in response to the activation voltage, a remaining gap between the curved cantilever beam and the actuator electrode is uniform.
    Type: Grant
    Filed: December 6, 2012
    Date of Patent: May 26, 2015
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Michel Despont, Daniel Grogg, Armin W. Knoll
  • Patent number: 9019049
    Abstract: MEMS switches and methods of manufacturing MEMS switches is provided. The MEMS switch having at least two cantilevered electrodes having ends which overlap and which are structured and operable to contact one another upon an application of a voltage by at least one fixed electrode.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: April 28, 2015
    Assignee: International Business Machines Corporation
    Inventors: Stephen E. Luce, Anthony K. Stamper
  • Patent number: 9007155
    Abstract: An electromagnetic relay including an electromagnet, a movable contact actuated by the electromagnet, and a fixed contact disposed opposite to the movable contact and capable of contacting and separating from the movable contact. The electromagnetic relay further includes a backstop for stopping movement of the movable contact in a direction separating from the fixed contact, and a backstop positioner for setting the backstop at a position for defining a predetermined contact gap between the fixed contact and the movable contact. In a state where movement of the movable contact is stopped by the backstop, different-sized contact gaps are defined between the fixed contact and the movable contact, depending on the position of the backstop set by the backstop positioner.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: April 14, 2015
    Assignee: Fujitsu Component Limited
    Inventors: Yasushi Saito, Akihiko Nakamura
  • Patent number: 9007156
    Abstract: An electromagnetic relay includes a first stationary contact; a second stationary contact that is aligned with the first stationary contact in a first direction; a first movable contact that is movable toward/away from the first stationary contact in a second direction perpendicular to the first direction; a second movable contact that is movable toward/away from the second stationary contact in the second direction; and a first permanent magnet and a second permanent magnet that face each other. A first contact part, formed by the first stationary contact and the first movable contact, and a second contract part, formed by the second stationary contact and the second movable contact, are interposed between the first permanent magnet and the second permanent magnet in the first direction. The first permanent magnet and the second permanent magnet extend in a third direction, which is perpendicular to the first direction and the second direction.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: April 14, 2015
    Assignee: Fujitsu Component Limited
    Inventors: Nobuyoshi Hiraiwa, Yasushi Saito, Yuki Kakoiyama, Yanfeng Wu
  • Patent number: 8981882
    Abstract: Switch including a terminal of a first type and at least two terminals of a second type, and a number of circuits capable of ensuring exclusive connection of one of the terminals of the second type to the terminal of the first type as a function of a set of control orders wherein the terminal of the first type is connected to a common point by a first circuit; each terminal of the second type is connected to the common point by a second circuit, with each second circuit including a portion that is magnetically coupled to the first circuit, a static switch mounted in parallel with the portion and capable of being controlled in the “off” state in order to connect the terminal of the first type to the terminal of the second type associated with the second circuit in question.
    Type: Grant
    Filed: September 23, 2011
    Date of Patent: March 17, 2015
    Assignee: STMicroelectronics SA
    Inventor: Baudouin Martineau
  • Patent number: 8976339
    Abstract: A system for determining the speed and position of objects comprises a beam source, a transmit reflection device, a beam receiver, a receive reflection device, and a controller. The beam source may generate a beam. The transmit reflection device may reflect the beam at the objects and may include a plurality of transmit faces with each transmit face oriented at a different angle and operable to reflect the beam at a different height. The beam receiver may detect the beam. The receive reflection device may include a plurality of receive faces with each receive face oriented at a different angle and operable to focus the beam reflected from objects at different heights onto the beam receiver. The controller may determine the position of the objects over time and calculate the speed of the objects based on a change in the position of the objects.
    Type: Grant
    Filed: January 13, 2014
    Date of Patent: March 10, 2015
    Assignee: Digital Ally, Inc.
    Inventors: Steven L. Phillips, Nihat Cem Oguz, Kenneth L. McCoy, Matthew R. Andrews
  • Patent number: 8963659
    Abstract: The present invention provides for an electrostatic microelectromechanical (MEMS) device comprising a dielectric layer separating a first conductor and a second conductor. The first conductor is moveable towards the second conductor, when a voltage is applied to the MEMS device. The dielectric layer recovers from dielectric charging failure almost immediately upon removal of the voltage from the MEMS device.
    Type: Grant
    Filed: May 24, 2011
    Date of Patent: February 24, 2015
    Inventors: Charles L. Goldsmith, Orlando H. Auciello, Anirudha V. Sumant, Derrick C. Mancini, Chris Gudeman, Suresh Sampath, John A. Carlilse, Robert W. Carpick, James Hwang
  • Patent number: 8963661
    Abstract: A nano-electro-mechanical switch includes an input electrode, a body electrode, an insulating layer, an actuator electrode, an output electrode, and a cantilever beam adapted to flex in response to an actuation voltage applied between the body electrode and the actuator electrode. The cantilever beam includes the input electrode, the body electrode and the insulating layer, the latter separating the body electrode from the input electrode, the cantilever beam being configured such that, upon flexion of the cantilever beam, the input electrode comes in contact with the output electrode at a single mechanical contact point at the level of an end of the cantilever beam.
    Type: Grant
    Filed: August 26, 2013
    Date of Patent: February 24, 2015
    Assignee: International Business Machines Corporation
    Inventors: Michel Despont, Ute Drechsler, Daniel Grogg, Christoph Hagleitner, Yu Pu
  • Patent number: 8963660
    Abstract: A electromagnetic relay including a plate-shaped pivoting piece (32), one end of which is supported in cantilever state, pivoted by a movable block (40), which reciprocates in the up-down direction on the basis of excitation and demagnetization of an electromagnet block (20) housed within a housing (10, 50), and causes a movable contact (34) formed on the other end of the plate-shaped pivoting piece (32) to make/break contact with an anchored contact (36) formed on the tip section of an anchored contact terminal (35). In particular, the one-end section of the plate-shaped pivoting piece (32) is supported pivotably in cantilever state by the upper end section of a movable contact terminal (31), with a support spring (33) comprising a conductive sheet spring material interposed therebetween.
    Type: Grant
    Filed: March 23, 2011
    Date of Patent: February 24, 2015
    Assignee: Omron Corporation
    Inventors: Hiroyasu Tanaka, Yuji Kozai
  • Patent number: 8957747
    Abstract: A switching device structure having a top layer and a bottom layer, each layer comprising a body of magnetizable material, such as permalloy, disposed within a coil wherein an armature is suspended in a cavity between the top and bottom layers, the armature having ferromagnetic material disposed on a top and bottom surface thereof. Each body of magnetizable material may be pulsed by its respective coil to switch it from a magnetic state to a non-magnetic state and then subsequently pulsed by the coil to switch it from the non-magnetic state to a magnetic state.
    Type: Grant
    Filed: October 25, 2011
    Date of Patent: February 17, 2015
    Assignee: Telepath Networks, Inc.
    Inventors: Kevin Wilson, Robert Tarzwell, Patrick McGuire
  • Patent number: 8941452
    Abstract: The present invention relates to an microelectromechanical system (1) comprising: a base (15) comprising a substrate (20) and a substrate electrode (40); a moveable beam (30); a voltage generator (10) able to generate a potential difference between the beam (30) and the substrate electrode (40); and at least one mechanical stop (70) connected to the beam and designed to make contact with the base (15) when a potential difference is applied between the beam (30) and the substrate electrode (40), thereby defining an air-filled cavity (80) between the beam (30) and the substrate electrode (40), characterized in that it furthermore comprises an electrical-charge blocking element (50) placed on the substrate (20), said element facing the at least one mechanical stop (70) and being electrically connected to the beam (30).
    Type: Grant
    Filed: August 11, 2011
    Date of Patent: January 27, 2015
    Assignees: Universite de Limoges, Centre National de la Recherche Scientifique (CNRS)
    Inventors: Pierre Blondy, Stanis Courreges, Arnaud Pothier, Jean-Christophe Orlianges
  • Patent number: 8928438
    Abstract: An electromagnetic relay has a fixed touch piece having a fixed contact; a movable touch piece, having a movable contact contactably and separably opposed to the fixed contact, and configured to elastically deform, an electromagnet, an intermediate member that rotates based on magnetization and demagnetization of the electromagnet and elastically deforms the movable touch piece, and an energization unit that energizes the movable touch piece to the fixed contact piece side via the intermediate member.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 6, 2015
    Assignee: OMRON Corporation
    Inventors: Yasuyuki Masui, Toshiyuki Kakimoto, Tsukasa Yamashita, Keisuke Yano
  • Patent number: 8928435
    Abstract: An electromechanical switch device includes a first switch portion, a second switch portion and an actuator device. The actuator device is configured to provide an actuation force, thereby actuating the first and second switch portion relative to each other to change from a disconnected to a connected state. The actuator device is further configured to provide the actuation force with a modulation at least when the first and second switch portion are in the connected state. A method of operating an electromechanical switch device is also provided.
    Type: Grant
    Filed: June 8, 2011
    Date of Patent: January 6, 2015
    Assignee: International Business Machines Corporation
    Inventors: Michel Despont, Christoph Hagleitner, Charalampos Pozidis, Abu Sebastian
  • Patent number: 8922307
    Abstract: An electromagnetic relay includes an electromagnetic part, a movable iron piece, a contact driving part, a contact which is opened and closed by driving the contact driving part with a card disposed between the movable iron piece and the contact driving part. Particularly, the card is disposed between the insulating wall and the contact driving part, a driving projection projected onto an inward surface side opposed to the insulating wall of the card is inserted in and projected from a manipulation hole made in the insulating wall, and the driving projection of the card is pressed by the movable iron piece that is operated based on excitation and demagnetization of the electromagnetic part.
    Type: Grant
    Filed: April 9, 2013
    Date of Patent: December 30, 2014
    Assignee: Omron Corporation
    Inventors: Koji Fujimoto, Akifumi Fujino, Bin Wang, Kaori Hirano, Ayumi Noguchi
  • Patent number: 8912869
    Abstract: An electromagnetic relay includes a bobbin including a winding part, jaw parts extending from both ends of the winding part, and a pair of opposing side wall parts; a coil wound on the winding part; an iron core attached to the bobbin; an armature; a movable contact which contacts or is separated from a fixed contact; and a case. The jaw part is formed to extend to a part in the vicinity of a side wall of the case so as to separate a first space where the coil exists from a second space where the fixed contact and the movable contact exist. Each of the side wall parts extends from the jaw part along an axis of the bobbin in a direction toward the second space and has a distal end abutting on the case.
    Type: Grant
    Filed: May 17, 2013
    Date of Patent: December 16, 2014
    Assignee: Panasonic Corporation
    Inventors: Kazuhiko Horii, Junichi Watanabe, Naoki Muro
  • Patent number: 8884729
    Abstract: Disclosed is an electromagnetic device. The electromagnetic switching device includes a housing having an opening, a top plate; side plates extending downward from the top plate; a bottom plate spaced apart from the top plate under the top plate; an opposite part which is one of the side plates facing the opening and coupled to the top and bottom plates, and a tolerance absorbing bar extending toward the opening.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: November 11, 2014
    Assignee: LSIS Co., Ltd.
    Inventor: Sang Jin Lee
  • Patent number: 8853586
    Abstract: An electrical switching apparatus includes two arc runners, two contacts in electrical communication with the respective runners, a movable contact having two portions respectively cooperating with the contacts to provide closed and open contact positions, and two arc chambers each including two ends, a longitudinal axis therebetween, and arc plates between the ends. A magnet assembly cooperates with the arc chambers to establish a generally unidirectional magnetic field normal to the axes, normal to a first direction of a first arc between one contact and the first portion as it moves away from the closed toward the open contact position, and normal to an opposite second direction of a second arc between the other contact and the second portion as it moves away from the closed toward the open contact position. The magnetic field causes one arc to enter one arc chamber depending upon current flow direction between the contacts.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: October 7, 2014
    Assignee: Eaton Corporation
    Inventors: Peter J. Theisen, Paul J. Rollman, Mark A. Juds, Xin Zhou
  • Patent number: 8853585
    Abstract: An electromagnetic contactor includes a first stationary contact having a stationary contact portion and a stationary terminal portion for connecting to a power supply; a second stationary contact having a stationary contact portion and a stationary terminal section for connecting to a load; a stationary-contact supporting case supporting the stationary terminal portions of the first and second stationary contacts to protrude the contact support casing, and maintaining a predetermined distance in between; a moving-contact portion contactable to and separable from the stationary contact portion of the first and second stationary contact and arranged in the stationary-contact supporting case; and a pair of arc-extinguishing magnets arranged in parallel to sandwich the moving-contact portion in the longitudinal direction and having same magnetic polarity at opposing magnetic pole surfaces.
    Type: Grant
    Filed: January 5, 2012
    Date of Patent: October 7, 2014
    Assignees: Fuji Electric FA Components & Systems Co., Ltd., Fuji Electric Co., Ltd.
    Inventors: Hiroyuki Tachikawa, Masaru Isozaki, Osamu Kashimura, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba
  • Patent number: 8836454
    Abstract: A switching device structure comprising a top magnet, a bottom magnet, and a movable member disposed between the top and bottom magnets, the movable member having an electromagnet positioned thereon, the electromagnet comprising a plurality of laminated layers, the layers including a layer bearing an iron core and a number of armature layers which establish electrical conductor windings around the iron core.
    Type: Grant
    Filed: October 28, 2009
    Date of Patent: September 16, 2014
    Assignee: Telepath Networks, Inc.
    Inventors: William C. Page, Lawrence DiFrancesco, Dain P. Bolling, David P. Paturel
  • Patent number: 8830017
    Abstract: A mini high-power magnetic latching relay comprising a base seat, an insulation sleeve, a push rod, a magnetic circuit, and a contact part. The magnetic circuit comprises a magnetic enclosure, an iron core, a yoke, and a winding; the winding comprising a coil former and a coil wrapped on the coil former. One end of the yoke is a U-shaped end; the iron core penetrates through the coil for forming a fixed connection with the other end of the yoke; and one end of the iron core is located at the center of the U-shaped end to form an E-shaped gap. The magnetic enclosure is formed by magnetic steel and armature vertically located on both ends of the magnetic steel.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: September 9, 2014
    Assignee: Ningbo Forward Relay Corp. Ltd
    Inventors: Xiaoxia Yang, Guozhang Gao, Shuijun Wang