Discharging Or Preventing Accumulation Of Electric Charge (e.g., Static Electricity) Patents (Class 361/212)
  • Patent number: 7733623
    Abstract: In a static electricity prevention apparatus of a vehicle, there is provided a static electricity prevention apparatus provided at a vehicle handle cover which comprises a conductive contact means which is provided at a handle cover; a leading line which is provided at the conductive contact member; and a second leading line of which one end is connected through a leading line connection port provided at a front end of the leading line, and the other end is provided with a grounding piece which is connected with a fixing shaft of the handle, so that a shock phenomenon occurring an instant discharge of the static electricity accumulated in a driver's body can be prevented.
    Type: Grant
    Filed: January 3, 2006
    Date of Patent: June 8, 2010
    Inventor: Moon Koo Lee
  • Patent number: 7724492
    Abstract: A strip-shaped emitter electrode including at least one emission edge extending along the length of such emitter electrode. When the strip-shaped emitter electrode is coupled to a voltage supply, current or an electrical charge at the emission edge ionizes the air and generates corona discharge, resulting in ion production. Erosion occurs at the emission edge such that the lifespan of the strip emitter electrode is dependent, at least in part, on the width of the strip emitter electrode.
    Type: Grant
    Filed: July 20, 2007
    Date of Patent: May 25, 2010
    Assignee: Tessera, Inc.
    Inventor: Igor Y. Botvinnik
  • Publication number: 20100110601
    Abstract: A wireless communication device includes a PCB, a grounded electrostatic protection element and an antenna. The PCB includes a ground and an antenna clearance portion. The ground portion includes a ground layer. The antenna clearance portion overlaps the antenna and includes a plurality of second key contacts, a plurality of ground contacts and a plurality of microstrips. The second key contacts are placed on a top surface of the PCB. The ground contacts and the microstrips are placed on a bottom surface of the PCB and corresponding to the second key contacts. The plurality of microstrips connect the plurality of ground contacts to the ground layer. The electrostatic protection element connects the second key contacts to protect them from electrostatic interference.
    Type: Application
    Filed: July 30, 2009
    Publication date: May 6, 2010
  • Patent number: 7697255
    Abstract: A dissipator useful for discharging provides a continuously variable high-voltage load under control of a computer or other device capable of providing an analog control voltage. Known dissipator arrangements use multiple high voltage switches and resistors to attempt to dissipate power. However, the disclosed dissipator uses the resistive property of a matrix of photo resistive cells, typically cadmium sulphide arranged on a circuit board. These photo resistive cells are series connected and controlled optically to vary their resistances. An optical control signal is provided for each photo resistive cell by a corresponding light emitting diode (LED). The amount of light emitted by each LED is analog controlled.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: April 13, 2010
    Assignee: The Von Corporation
    Inventors: Ricky L. Curl, Frederick Howell Von Herrmann
  • Publication number: 20100061030
    Abstract: An anti-shock device that generally comprises one or more thin wires that can optionally be embedded in a substantially flat insulating body. The device can be directly or indirectly connected to a conductive object and/or an electric ground. When a subject contacts the device prior to contacting a conductive object, the pain and/or discomfort associated with an electrostatic shock can be greatly reduced or eliminated.
    Type: Application
    Filed: September 9, 2008
    Publication date: March 11, 2010
    Inventor: Norman Werbner
  • Patent number: 7659607
    Abstract: A storage apparatus 10 is disclosed, that comprises a wiring substrate 11 having a first surface and a second surface, a flat type external connection terminal 12a disposed on the first surface of the wiring substrate 11, a semiconductor device 14 disposed on the second surface of the wiring substrate 11 and having a connection terminal 14a connected to the flat type external connection terminal 12a, a molding resin 15 for coating the semiconductor device 14 on the second surface of the wiring substrate 11, a card type supporting frame 10a having a concave portion or a hole portion fitting the wiring substrate 11, the semiconductor device 14, and the molding resin 15 in such a manner that the flat type external connection terminal 12a is exposed to the first surface of the wiring substrate 11, and adhesive resin a adhering integrally the flat type external connection terminal 12a, the wiring substrate 11, the semiconductor device 14, the molding resin 15, and the card type supporting frame 10a.
    Type: Grant
    Filed: January 4, 2008
    Date of Patent: February 9, 2010
    Assignee: Kabushiki Kaisha Toshiba
    Inventor: Hiroshi Iwasaki
  • Patent number: 7656642
    Abstract: The invention relates to a means for preventing build-up of electrostatic potential in a fluid container during filling and/or discharging. The fluid container comprises electrical insulating materials and a valve means through which filling and/or discharging occurs. Means for reducing and/or eliminating electrical and/or electrostatic potential build-up during filling or discharging of the container is arranged in conjunction with the container walls. Such means may for example be arranged in conjunction with the valve means, reducing and/or changing the flow velocity of the fluid and/or the flow direction of the fluid during the filling operation.
    Type: Grant
    Filed: March 14, 2005
    Date of Patent: February 2, 2010
    Assignee: Ragasco AS
    Inventors: Rune Ulekleiv, Arild Hansen
  • Publication number: 20100002352
    Abstract: An antistatic apparatus selectively coupled to an electrical component having a first end and a second end is proposed in the invention. The antistatic apparatus includes a first soldering portion, a second soldering portion, a first discharging portion and a second discharging portion. The first soldering portion selectively connected to the first end of the electrical component. The second soldering portion selectively connected to the second end of the electrical component. The first discharging portion connected to the first soldering portion and rotated clockwise for an angle. The second discharging portion connected to the second soldering portion and rotated counter-clockwise for the angle to provide a discharge path corresponding to the first discharging portion, electrostatic current of the first soldering portion being discharged into the second soldering portion through the discharge path.
    Type: Application
    Filed: July 3, 2008
    Publication date: January 7, 2010
    Inventor: Kuo-Ming Chuang
  • Publication number: 20100002353
    Abstract: A system and method for misbalancing or suppressing spinning atmospheric phenomena such as tornadoes, landspouts, waterspouts, gustnadoes and whirlwinds. The systems and methods misbalance or suppress such phenomena utilizing electromagnetic fields; irradiation; neutralizing charges; or chemical reactions, thus destabilizing or disrupting the phenomenon.
    Type: Application
    Filed: July 3, 2009
    Publication date: January 7, 2010
    Inventor: Victor Barinov
  • Patent number: 7637866
    Abstract: An optical adaptor for endoscope according to the present invention includes, in an outer casing, a light emitter, serving as a light source for illumination, and two terminals connected to the positive and negative electrodes of the light emitters to be externally projected from the inside of the outer casing. The connection of a diode between the positive and negative electrodes of the light emitters prevents the static electricity from being applied to the light emitter.
    Type: Grant
    Filed: May 16, 2005
    Date of Patent: December 29, 2009
    Assignee: Olympus Corporation
    Inventor: Mitsunobu Ono
  • Patent number: 7635439
    Abstract: The present invention relates generally to a static dissipative textile having an electrically conductive surface achieved by coating the textile with an electrically conductive coating in a variety of patterns. The electrically conductive coating is comprised of a conducting agent and a binding agent, and optionally a dispersing agent and/or a thickening agent. The static dissipative textile generally comprises a fabric which may be screen printed or otherwise coated with a conductive coating on the backside of the fabric so that the conductive coating does not interfere with the appearance of the face of the fabric. The economically produced fabric exhibits relatively permanent static dissipation properties and conducts electric charge at virtually any humidity, while the conductive coating does not detrimentally affect the overall appearance or tactile properties of the fabric.
    Type: Grant
    Filed: April 20, 2006
    Date of Patent: December 22, 2009
    Assignee: Milliken & Company
    Inventors: Andrew D. Child, Alfred R. DeAngelis
  • Patent number: 7612979
    Abstract: An aircraft telescopic in-flight refueling mast comprising a metallic structural beam (31), electrically connected to the aircraft by flexible conductive means (33), having inside a fixed metallic tube (11) and a metallic telescopic tube (11) providing the fuel conduit, and, attached to said beam (31), flight control surfaces (41) and protection means against electric discharges, specially lightning strikes and electro-static discharges, including insulated means (39, 51) and low conductive means (15, 17) for reducing the lightning currents at a safe level and for draining the static charge created during the refueling, and conductive means (19, 21, 23, 33, 43) providing a safe lightning current path and good electrical bonding for electro-static discharge.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: November 3, 2009
    Assignee: EADS Construcciones Aeronauticas, S.A.
    Inventors: Felipe Sequeiros Murciano, Fernando Cano Perez
  • Patent number: 7609503
    Abstract: There is provided an electrically conductive bracelet including an electrically conductive clasp member that is connectable to an electrical ground. A conductive metal band is connected to the clasp member to define a bracelet inner diameter. The conductive metal band includes a plurality of bar members. Each bar member includes a bar inner surface and a bar outer surface. The plurality of bar inner surfaces collectively define a band inner periphery and the plurality of bar outer surfaces collectively define a band outer periphery. The band inner periphery is positionable on a user to electrically connect the conductive metal band to the user. The band inner periphery is disposed between the band outer periphery and the user when the conductive metal band is disposed on the user. An electrically insulating cover is disposed over the band outer periphery for electrically insulating the band outer periphery.
    Type: Grant
    Filed: November 12, 2007
    Date of Patent: October 27, 2009
    Inventor: Roland Hee
  • Publication number: 20090207546
    Abstract: The present invention prevents occurrence of electrical discharge on an electrically conductive structure in an environment in which high-energy electrons impinge onto the structure or on an electronic element mounted to a surface of the structure, which electrical discharge would otherwise occur when the potential of the structure or the electronic element increases in the negative direction due to a negative charge flowing thereinto. An insulating tape bonded to the surface of the electrically conductive structure is partially cut-removed; an electrically conductive adhesive is applied to an exposed portion of the surface of the electrically conductive structure; and an insulating film is bonded to the electrically conductive adhesive, such that the electrically conductive adhesive is exposed to the outside.
    Type: Application
    Filed: June 1, 2007
    Publication date: August 20, 2009
    Inventors: Mengu Cho, Yuya Sanmaru, Satoshi Hosoda, Minoru Iwata, Tatsuhito Fujita, Yasumasa Hisada
  • Patent number: 7570474
    Abstract: One embodiment of the invention facilitates automatic static discharge from an apparatus such as an aircraft. The embodiment comprises an attachment structure, such as a jet canopy, having a system grounding port. The attachment structure can be operatively coupled to an electrostatic discharge device having a contact side with a conductive surface and an attachment side with a resistive surface. The grounding conduit operatively couples the electrostatic discharge device to the system grounding port. The electrostatic discharge device is operatively coupled to the aircraft, thereby automatically discharging static electricity from the aircraft to ground.
    Type: Grant
    Filed: May 2, 2006
    Date of Patent: August 4, 2009
    Assignee: American Airlines, Inc.
    Inventor: Mark Hettermann
  • Patent number: 7561402
    Abstract: A method and system of preventing lighting from puncturing composite surfaces is provided. The method includes reconfiguring plies of a composite surface so that a composite conductive ply is located on the outer surface of the composite surface and a non-conductive composite ply is located directly underneath the conductive ply and inserting a flashover point between an outer edge of the conductive ply and a fastener attaching the composite surface to a support structure.
    Type: Grant
    Filed: February 24, 2006
    Date of Patent: July 14, 2009
    Assignee: The Boeing Company
    Inventor: Russell J. Heeter
  • Publication number: 20090168287
    Abstract: There is provided a static eliminator capable of weakening an electric field between a discharge electrode and a ground electrode, to generate a strong electric field between the discharge electrode and a workpiece, in which a first-stage circumferential chamber, a second-stage circumferential chamber and a first gas pool are arrayed in series along the longitudinal direction of a discharge electrode, the first gas pool is disposed in the mode of diametrically overlapping a gas outflow channel for shielding located on the inner circumferential side of the first gas pool, a gas is supplied to the first gas pool through the chambers disposed at multi-stages by means of the circumferentially spaced multi-stage orifices (the first and second chases), a ground electrode plate member in plate shape is buried in an insulating resin member on the bottom surface side of the half base in a position as high as where the first gas pool is located, and the ground electrode plate member includes a circular ring section con
    Type: Application
    Filed: November 26, 2008
    Publication date: July 2, 2009
    Inventors: Koji FUKAI, Teppei Imataka
  • Patent number: 7554785
    Abstract: A system for protecting a composite-body aircraft from damage caused by lightning strikes includes a Faraday cage defined on the exterior surface of the aircraft body by a continuous, electrically conductive grid that extends to the outermost lateral periphery of the body. In one possible embodiment in which the aircraft's body includes a plurality of composite panels that are joined at their adjacent edges by splice plates, the conductive grid may advantageously be formed by electrically conductive splice plates, e.g., of titanium, that have their respective, adjacent ends electrically connected to each other, e.g., with conductive straps and fasteners. The conductive grid provides preferential attachment points and conductive paths for lightning strikes on the surface of the aircraft, thereby shielding the interior of the grid from lightning damage. The conductive grid can optionally function as a ground return path for the aircraft's electrical system.
    Type: Grant
    Filed: March 23, 2004
    Date of Patent: June 30, 2009
    Assignee: The Boeing Company
    Inventor: Arthur V Hawley
  • Publication number: 20090147428
    Abstract: A metal case for preventing electrostatic discharge includes an electromagnetic bandgap restricting current generated by electrostatic discharge and formed by arrangement of unit cells. Further, a method of forming a metal case preventing an electrostatic discharge includes forming an electromagnetic bandgap by arranging a plurality of unit cells; and forming a metal case having the electromagnetic bandgap to restrict current generated by the electrostatic discharge.
    Type: Application
    Filed: December 10, 2008
    Publication date: June 11, 2009
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Jong Hwa KWON, Dong-Uk SIM, Sang Il KWAK, Hyung Do CHOI
  • Patent number: 7538556
    Abstract: A spot-type DC ionizer placed above a measurement plate of a charge plate monitoring device including a grid using a metal net attached to a nozzle opening. Compressed air is set at a value, and a use distance between the measurement plate and the nozzle opening is set. The ionizer measures an ion balance and variation for comparison with threshold values, and if the ion balance and variation are equal to or lower than respective threshold values, an accepted determination is made. Otherwise, a failed determination is made and a static elimination time is measured. If the static elimination time is longer than a threshold time, the static elimination time is measured while air pressure is increased, and an air pressure with the static elimination time equal to or shorter than the threshold time is determined as an optimal air pressure with the set use distance.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: May 26, 2009
    Assignee: Fujitsu Limited
    Inventor: Tomohide Nakajima
  • Publication number: 20090128981
    Abstract: A bipolar ionization apparatus includes a positive high voltage power supply having an output with at least one positive ion emitting electrode connected thereto and configured to generate positive ions. A negative high voltage power supply has an output with at least one negative ion emitting electrode connected thereto and is configured to generate negative ions. A controller for an ionizer outputs a positive high voltage ionization waveform and a negative high voltage ionization waveform. The controller simultaneously adjusts an amplitude and a duty cycle of each of the waveforms.
    Type: Application
    Filed: November 6, 2008
    Publication date: May 21, 2009
    Inventors: John A. Gorczyca, Manuel C. Blanco, Steven J. Mandrachia
  • Publication number: 20090128982
    Abstract: A static electricity eliminating apparatus for eliminating static electricity which has built up on a medium, e.g., card-shaped that may be inserted into and removed from an opening of a card loading body is provided. The static electricity eliminating apparatus includes a housing having an opening through which the medium may be inserted and removed. The apparatus includes a conductive member with one end fixed to the housing, and the other end that extends over the opening so as to block the insertion-and-removal opening, and which eliminates static electricity which has built up on the medium by contacting the medium when the medium is inserted into the insertion-and-removal opening.
    Type: Application
    Filed: November 14, 2008
    Publication date: May 21, 2009
    Applicant: Fujitsu Limited
    Inventor: Jun OSHIMA
  • Publication number: 20090123665
    Abstract: The present invention provides a fluidized bed device for handling fine particles as a fluidized bed in a medicine manufacturing process, a cosmetic manufacturing process, a food manufacturing process, a chemical manufacturing process and the like, wherein influence of static electricity is suppressed, and a method for neutralizing the static electricity using that device. The fluidized bed device includes an X-ray irradiation unit for irradiating fine particles in the fluidized bed device with X-rays.
    Type: Application
    Filed: December 21, 2005
    Publication date: May 14, 2009
    Inventor: Yasuhiro Zaima
  • Patent number: 7529074
    Abstract: The present invention provides a charge neutralizer for accurately irradiating a soft X ray into a narrow gap after a glass substrate is lifted up. A soft X ray is introduced into a gap “d” from a soft X ray charge neutralizer 14, and the soft X ray is detected by a soft X ray optical axis monitor 16. Mounting position adjusting means 15 is adjusted by a detection output from said soft X ray optical axis monitor, and optical axis alignment is performed. Next, according to information from a database 19, a control unit 17 controls gap adjusting means 13, and charge neutralization is performed. Charge neutralization can also be performed by controlling the gap “d” by the gap adjusting means 13 while judging neutralizing conditions as to whether a charged potential measured by an electrometer 18 is within an allowable value by the control unit 17 or not.
    Type: Grant
    Filed: May 31, 2006
    Date of Patent: May 5, 2009
    Assignee: Future Vision Inc.
    Inventors: Hitoshi Inaba, Masaharu Fujino, Yasuhiko Fukuchi, Kazuyoshi Nakajima, Masato Kochi
  • Patent number: 7522401
    Abstract: An apparatus, system, and method is provided including a plurality of test pins, a static dissipative layer having a plurality of openings, and a plurality of support features coupled to the static dissipative layer to movably support the static dissipative layer at a first and a second relative position. The support features enable the static dissipative layer to make initial contact with terminals of a component to be tested to discharge static, if any, built up at the terminals of the component while the static dissipative layer is supported at the first relative position. The support features also enable the static dissipative layer to expose the test pins through the openings to make contact with the terminals of the component after the static dissipative layer had made initial contact with the terminals of the component at the first relative position.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: April 21, 2009
    Assignee: Intel Corporation
    Inventors: Warly A. Dela Cruz, Charlene T. Hintay, Jeffrey D. Concordia
  • Patent number: 7517420
    Abstract: The present invention provides a method for producing an electrostatic brush for an electrical device or a hand-held tool; and, the electrostatic brush can be eaily fabricated and contains electrostatic lines to be used with ease.
    Type: Grant
    Filed: April 12, 2006
    Date of Patent: April 14, 2009
    Inventor: Chuan-Yaun Lin
  • Publication number: 20090086119
    Abstract: In an image displaying apparatus, comprising: a large-size housing; and a panel module 100, having a thin plate-like 110 frame having a rectangular shape in an outer configuration thereof, and a display element, which is mounted on the frame, and being attached on the housing, wherein on a flange portion 111, which is formed along with an outer periphery of said thin plate-like frame building up the panel module, is further formed a reinforcement portion 112, through bending that flange portion into a predetermined shape in the cross-section configuration thereof, through a squeezing process, or pipe-like members 400 fixed along the outer periphery of the frame, and “L”-shaped members 420, each being fixed between the cylindrical members neighboring with each other, thereby providing the structures of the panel module, being superior in the mechanical strength thereof, in spite of an increase of area thereof, simply and cheaply.
    Type: Application
    Filed: June 30, 2008
    Publication date: April 2, 2009
    Inventors: Mika HIRADATE, Hidemi Yamada, Nobuyuki Kaku
  • Publication number: 20090080134
    Abstract: An electronic device and a method for removing a static electricity thereof are provided. The method for removing a static electricity includes performing a switching operation to transmit a signal output from an interface, which is communicably connected to an external device, to a signal processor or cut off the signal from being transmitted to the signal processor, and based on this switching operation, performing a switching operation to supply a bias power to the signal processor or cut off a supply of power to the signal processor. Accordingly, a static electricity signal is grounded using a switch based on an operation state of the electronic device such that a static electricity shock and static electricity noise can be prevented from affecting the electronic device.
    Type: Application
    Filed: February 5, 2008
    Publication date: March 26, 2009
    Inventor: Ho-woong KANG
  • Patent number: 7498664
    Abstract: Embodiments of the invention include a semiconductor integrated circuit package that includes a substrate having an integrated circuit die attached thereto. The package includes a ESD shield attached to the substrate. The ESD shield configured to increase the ESD hardness of the package. The ESD shield can further serve to stiffen the package to prevent warping and operate as a heat spreader.
    Type: Grant
    Filed: December 14, 2005
    Date of Patent: March 3, 2009
    Assignee: LSI Corporation
    Inventors: Choshu Ito, William M. Loh, Rajagopalan Parthasarathy
  • Patent number: 7499256
    Abstract: An electricity-conducting roller includes a hub joined to a lower end of a frame of a vehicle, and an electricity-conducting roller module; a wheel of the vehicle is fitted on the hub, and the electricity-conducting roller module is fitted to a bottom of the hub, and comprises a fixed supporting member secured to the bottom of the hub, an electricity-conducting roller, a swinging support member pivoted on the fixed support member for holding the electricity-conducting roller in position, and an elastic element to bias the swinging support member downwards in order for the electricity-conducting roller to be in constant touch with the floor; the swinging support member will swing up and down while the vehicle is moving on an uneven floor, thus preventing the electricity-conducting roller from being obstructed by bumps and holes on the uneven floor.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: March 3, 2009
    Inventor: Li-Lan Yan
  • Publication number: 20090053062
    Abstract: The present invention proposes a lightning protection device of a windmill blade, comprising a tip receptor assembly having receptors which are mounted, in particular to, the tip end part of the blade where the blade profile becomes smaller, and having a simple structure so as to be readily assembled, and an intermediate receptor assembly having a receptor which is set at the outer surface of the blade so as to exhibit an effective countermeasure against increasing of the air pressure in the blade upon a lightning striking upon the blade, a lightening current being discharged to the ground from the receptors through connection equipment such as lead wires laid through the inside of the blade the windmill body and bypass brushes, characterized in that a base plate made of an electrically conductive material and connected thereto with the lead wires is embedded in the blade, and the receptors are secured and supported to the base plate, being exposed at the outer surface of the blade.
    Type: Application
    Filed: December 19, 2006
    Publication date: February 26, 2009
    Inventors: Shinji Arinaga, Masaaki Shibata, Nobuyasu Nakamura, Takatoshi Matsushita, Kazuhisa Tsutsumi, Takao Kuroiwa, Toshiyuki Hirano, Kai Karikomi
  • Patent number: 7495880
    Abstract: A circuit board includes: an input terminal for inputting a signal from an external circuit; a first land and a second land; and an electrostatic-charge absorbing conductor for absorbing an electrostatic charge. The first land is electrically connected to the input terminal. The second land is separated from the first land by a predetermined distance therebetween. A distance between the electrostatic-charge absorbing conductor and the first land is shorter than a distance between the first land and the second land. In the circuit board, the electrostatic charge is effectively absorbed into the electrostatic-charge absorbing conductor through the first land so that the electrostatic charge is prevented from negatively affecting on electric parts on the board.
    Type: Grant
    Filed: October 26, 2005
    Date of Patent: February 24, 2009
    Assignee: DENSO Corporation
    Inventors: Akinobu Makino, Tsuneo Watanabe
  • Publication number: 20090047829
    Abstract: In one embodiment, an apparatus includes at least one signal contact, a housing, and a discharge circuit arrangement. The housing defines a receptacle configured to receive a part of a cable assembly. The signal contact is disposed within the receptacle, and is configured to contact a first contact of the cable assembly when the cable assembly is received in the receptacle such that a signal may pass between the at least one signal contact and the first contact. The discharge circuit arrangement is at least partially disposed on the housing, and includes at least one discharge conductor that contacts the first contact and discharges an electrical charge associated with the first contact through a discharge circuit before the first contact contacts the signal contact.
    Type: Application
    Filed: August 13, 2007
    Publication date: February 19, 2009
    Inventors: Frederic Michael Kozak, Stephen Aubrey Scearce, Milton Palmer Hilliard, Samuel McCloy Lyall
  • Patent number: 7492568
    Abstract: A static eliminator comprises at least one discharge needle for generating ions to eliminate static charge. A first hollow cylinder includes at least one opening for ions generated by the discharge needle to be emitted outside and provided with brushes for cleaning the discharge needle. A second hollow cylinder is provided with the discharge needle and rotatably disposed inside the first hollow cylinder. A discharge needle rotating mechanism is provided for causing to rotate the second hollow cylinder around the axis thereof to clean the discharge needle by wiping the discharge needle with the brushes.
    Type: Grant
    Filed: March 20, 2007
    Date of Patent: February 17, 2009
    Assignee: Trinc.Org
    Inventor: Makoto Takayanagi
  • Patent number: 7483255
    Abstract: Ions for neutralizing electrostatic charge on an object are generated and delivered in a stream of gas flowing through a dielectric channel that surrounds a loop of conductive filament which forms an ionizing electrode. The loop is formed within a single plane, or within multiple planes, and is supported within the channel with a plane of the loop substantially aligned with flow of gas through the channel. A region of minimum field intensity within the bounded region of the loop electrode is oriented in alignment with substantially maximum velocity of gas flow through a cross section of the dielectric channel.
    Type: Grant
    Filed: February 13, 2006
    Date of Patent: January 27, 2009
    Assignee: Ion Systems
    Inventors: Peter Gefter, Scott Gehlke, John K. O'Reilly
  • Publication number: 20090021295
    Abstract: A dual reactive shunt feedback low noise amplifier design may include a transconductance amplifier having a capacitor coupled across it and a pair of coupled inductors coupled across it. In one embodiment, the coupled inductors may be laid out as two overlapping coils.
    Type: Application
    Filed: July 19, 2007
    Publication date: January 22, 2009
    Inventors: Chang-Tsung Fu, Stewart S. Taylor
  • Publication number: 20090020969
    Abstract: To provide a wheeled moving body incorporating electrostatic protection measures and capable of constantly monitoring its grounding condition, and a grounding condition monitoring system for the same. An electrostatic conductive mat 14 on a cart 10 is connected to an electrostatic conductive wheel 12 for grounding, and one end of an ohm meter (or volt meter) 18 mounted on the cart 10 is connected to the electrostatic conductive mat 14, while the other end is grounded by connecting it to a conductive wheel 24 insulated from the cart 10 by an insulating plate 13.
    Type: Application
    Filed: March 12, 2007
    Publication date: January 22, 2009
    Inventors: Toru Nakagawa, Toshikazu Numaguchi, Hideya Maki
  • Patent number: 7471497
    Abstract: The present invention provides a device that can be readily installed in any type of footwear, and that when installed enables a semi-continuous grounding path through the shoe of the wearer to an earthly source to dissipate static electricity. The present invention consists of a collection pad, an electrical path to a resistor, and continues that path to an earthly ground that prevents, or greatly reduces, electro static discharge (ESD) in personnel and their clothing when they are wearing shoes with insulative-soles. Alternatively a single resistor wire is employed to conduct static electricity to ground. This device is intended to increase the comfort level of the wearer of such shoes by eliminating, or greatly reducing the harmful and annoying effects of ESD without having any affect on the cosmetic appearance or the functionality of the shoe.
    Type: Grant
    Filed: April 16, 2007
    Date of Patent: December 30, 2008
    Inventors: William C. Knight, Sr., Teri L. Knight
  • Publication number: 20080316672
    Abstract: There is provided a static eliminator which comprises an ion generating portion in the form of tape. There is also provided a self-discharged static eliminator comprising an conductor provided with discharge whiskers in which the conductor is applied with a predetermined voltage. There is also provided a DC type of self-discharged fiber-like static eliminator which comprises plus fiber electrodes applied with plus voltage, minus fiber electrodes applied with minus voltage, a support disposed between the plus and minus electrodes for supporting the plus and minus electrodes and provided with insulation reserving member for preventing the spark discharge or short due to the access of the plus and minus electrodes.
    Type: Application
    Filed: July 23, 2007
    Publication date: December 25, 2008
    Inventor: Makoto TAKAYANAGI
  • Patent number: 7468879
    Abstract: A lightning protection device for reducing exposure of an object to be protected from conventional and upward lightning strikes. The device includes a support structure adapted to be grounded and space charge producing conductors wound around the support structure and forming coils for producing space charge of opposite polarity to a cloud charge, in a proximity of the object to be protected. The space charge induces a charge on the object to be protected of an opposite polarity to a charge induced on the object to be protected by the cloud charge and inhibits a formation of streamers from the object to be protected. Each space charge producing conductor has a diameter not exceeding 0.1 mm for reducing a corona inception voltage of the support structure upon which each space charge producing conductor is wound, in both dry and wet conditions.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: December 23, 2008
    Inventors: Farouk A. M. Rizk, Amr Rizk
  • Publication number: 20080297969
    Abstract: The present invention relates to an arrangement comprising at least one high potential electrode with a high potential in terms of absolute value, e.g. comprising substantially sharp edges and which may be exposed to a high electrostatic field or a high potential. It comprises at least one low potential electrode means or balancing electrode Q mean said low or balancing potential electrode means being provided at a distance from said at least one high potential electrode and at least one resistive arrangement connecting each of said high potential electrode(s) with each respective Q adjacent low or balancing potential electrode means. Said resistive arrangement(s) has a low conductivity but Q is non-isolating, such that a substantially linear voltage drop is provided between said high potential electrode(s) and said low or balancing potential electrode(s) to suppress peak-fields generated in the vicinity of any of the electrode(s).
    Type: Application
    Filed: July 15, 2005
    Publication date: December 4, 2008
    Inventor: Ola Tageman
  • Publication number: 20080266744
    Abstract: A multiple electricity conducting wheel is fitted to a vehicle and interposed between two wheel bodies of a wheel of the vehicle, and includes first and second holding members, and a small-diameter electricity conducting roller with an axle supported with the second holding member; the first holding member contains the second holding member, and has two opposing slots, through which the axle of the roller is passed; the second holding member is biased downwards by a spring so as to ensure that the electricity conducting roller will be constantly in contact with the floor; the spring is positioned around a rod part, which is passed through tops of the first and the second holding members, and joined to a metallic hub of the vehicle wheel; thus, static electricity carried on the vehicle can travel to the floor through the electricity conducting wheel.
    Type: Application
    Filed: April 24, 2007
    Publication date: October 30, 2008
    Inventor: Li-Lan Yan
  • Publication number: 20080261419
    Abstract: A grounding mechanism for an electrical appliance comprising a conducting plate capable of electrical contact with an electrical component of an electrical product. The grounding mechanism also comprises a non-conducting fastener capable of mounting the conducting plate to a chassis of the electrical product, and a grounding element capable of connection with the conducting plate from an exterior of the chassis to electrically ground the conducting plate to the chassis.
    Type: Application
    Filed: April 19, 2007
    Publication date: October 23, 2008
    Inventors: Greg Martin, Melissa Cisewski, Ron Austin
  • Publication number: 20080259518
    Abstract: The present invention describes ESD apparatus, methods of forming the same, and methods of providing ESD protection. In certain aspects, the invention achieves the desired turn-on voltage and maintains low leakage in the ESD apparatus, and the methods of providing ESD protection. In one aspect, a zener diode that has a positive trigger voltage is used to quickly turn-on a transistor. In another aspect, different zener diodes that have positive and negative trigger voltages, respectively, are used to quickly turn on a transistor. In still another aspect, a linearly graded P-region is used to implement the ESD device of the present invention.
    Type: Application
    Filed: April 20, 2007
    Publication date: October 23, 2008
    Inventors: Harry Yue Gee, Umesh Sharma
  • Patent number: 7430103
    Abstract: A static electricity protective circuit for use in a high-frequency apparatus for protecting, against static electricity, an internal circuit connected to a signal terminal through which a high-frequency signal and a DC signal are superimposed and transmitted, comprises a high-frequency cut-off element having one end thereof connected to the signal terminal, and a Schottky barrier diode having a cathode thereof connected to other end of the high-frequency cut-off element and an anode thereof connected to ground, wherein the high-frequency cut-off element and the Schottky barrier diode cut off the high-frequency signal and the DC signal respectively and lead static electricity applied to the signal terminal to ground so as to protect the internal circuit against the static electricity.
    Type: Grant
    Filed: September 10, 2004
    Date of Patent: September 30, 2008
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Masahiro Kato
  • Patent number: 7428131
    Abstract: A protective shield that may be secured to an electrical racking rod of the type used for performing electrical work on various types of energized electrical equipment. The protective shield includes a transparent plate formed of an impact resistant, fire retardant material; a clamping mechanism secured to the plate and at least one adaptor for securing the racking rod to the plate. The adaptor is engaged by the clamping mechanism to secure the racking rod to the plate. The protective shield provides physical protection to workers when removing or resetting electrical circuit breakers by acting as a barrier between the worker and the equipment while providing complete visibility to the task being performed. A plurality of adaptors may be provided to enable the plate to be utilized with any one of a plurality of different diameter racking rods.
    Type: Grant
    Filed: January 30, 2006
    Date of Patent: September 23, 2008
    Assignee: Gary Guard, Inc.
    Inventors: James R. Stillwagon, Elihu Hoagland, IV
  • Patent number: 7425904
    Abstract: A keypad device having a circuit of electrostatic discharge (ESD) protection is disclosed. The circuit has n and m numbers of column conductive lines and row conductive lines formed on the print circuit board wherein at least one column or row conductive line is connected to the ground and the others are, respectively, connected to the data input terminals and data output terminals of the keypad encoder. The intersections between the column (row) line which is grounded and the row (column) lines are designed for those keys, which are readily attacked by ESD such as the side keys.
    Type: Grant
    Filed: November 22, 2005
    Date of Patent: September 16, 2008
    Assignee: Qisda Corporation
    Inventors: Tzong-Hsiang Lan, Chang-Tao Wu
  • Publication number: 20080218931
    Abstract: A system for decharging a wafer or substrate disposed on an electrostatic chuck, includes a capacitance detector for measuring a capacitance between the electrostatic chuck and the wafer or substrate, and a decharging voltage calculator for calculating a decharging voltage based at least in part on the capacitance measured by the capacitance detector. The decharging voltage calculated by the decharging voltage calculator of the system is applied to the electrostatic chuck after dechucking to substantially neutralize electrostatic charges on the wafer or substrate.
    Type: Application
    Filed: March 9, 2007
    Publication date: September 11, 2008
    Inventors: Yen-Hsiang Hsu, Jeng-Yann Tsay
  • Patent number: 7417843
    Abstract: A lightning protection system having a sensor for detecting a polarity of atmospheric charges, a direct current power supply, a controller interactively connected to the power supply and to the sensor so as to select a polarity of the direct current in relation to polarity of atmospheric charges, a first lead connected to one location on the structure, and a second lead connected to another location on the structure such that direct current passes from the first lead to the second lead. The controller selects a polarity of the direct current that is opposite to the polarity of the atmospheric charges sensed by the sensor.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: August 26, 2008
    Inventor: Benjamin P. Fowler
  • Publication number: 20080192404
    Abstract: An anti-static wrist band includes: a band, a first electrode supported on the band, a first conductive gel disposed on the first electrode, a second electrode supported on the band and insulated from the first electrode and the first conductive gel, and a second conductive gel insulated from the first electrode and the first conductive gel and disposed on the second electrode.
    Type: Application
    Filed: January 29, 2008
    Publication date: August 14, 2008
    Applicant: FUJITSU LIMITED
    Inventor: Tomohide Nakajima