Rod-type Structure Patents (Class 361/222)
  • Patent number: 11067599
    Abstract: An embodiment of the present disclosure discloses a probe device including: a base, including a main body, a cavity formed in the main body, and a through hole defined in the main body and communicating with the cavity; a probe, including a main part, a probe head defined at one end of the main part, and a mounting portion defined at the other end of the main part, the mounting portion being inserted into the cavity via the through hole; and a conductive member, disposed in the cavity and defined on the mounting portion, allowing the mounting portion to be caught in the cavity. The conductive member is in contact with the probe device to release the charge of the probe accumulated during operation of the probe, when the probe device is not in operation.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: July 20, 2021
    Assignee: HKC CORPORATION LIMITED
    Inventor: Jianfeng Shan
  • Publication number: 20140153152
    Abstract: An arrester includes a stacked internal element, a pair of electrodes respectively arranged on both sides of the internal element in a stacking direction, a plurality of FRP rods arranged so as to surround the internal element each having a flat plate shape extending in the stacking direction and including protruding portions in a dumbbell shape with a width increasing from a center side to an end side in an axial direction at a constant inclination angle and then becoming a constant width thereafter, the FRP rods being fixed by the protruding portions respectively being fitted into electrode grooves respectively provided on the electrodes, and an outer cover formed of polymer material and integrally covering at least the internal element, the electrodes, and the FRP rods.
    Type: Application
    Filed: March 27, 2013
    Publication date: June 5, 2014
    Applicant: Mitsubishi Electric Corporation
    Inventors: Hiroki SAITO, Akihide OZAKI, Koichi AKASO
  • Patent number: 8730642
    Abstract: This invention provides a stacker with static elimination devices arranged at both sides of each shelf of the stacker and comprises a rectangular box producing charged ions. A rotary shaft is connected with the rectangular box and with both ends fixed on upper and lower shelf holders, respectively. A standpipe parallel with the rotary shaft is provided inside the rectangular box and includes a horizontal transverse plate on which an ion generator is installed. The standpipe includes a blowing device directing charged ions generated toward a cartridge transferred in and out of the shelf. With the static elimination devices at both sides of each shelf of the stacker, the charged ions are blown toward glass substrates disposed inside the cartridge transferred in and out of the shelf to eliminate the static of the glass substrate inside the cartridge and improve the yield.
    Type: Grant
    Filed: October 12, 2012
    Date of Patent: May 20, 2014
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventors: Zhenhua Guo, Chunhao Wu, Kunhsien Lin, Yunshao Jiang, Minghu Qi, Zenghong Chen
  • Patent number: 8634178
    Abstract: A very small form factor consumer electronic product includes at least a single piece housing having an integral front and side walls that cooperate to form a cavity in cooperation with a front opening where an edge of the side walls define a rear opening and at least some of the edges have flanges. The consumer electronic product also includes an user input assembly having a size and shape in accordance with the front opening and a clip assembly having a size and shape in accordance with the rear opening and having an external user actionable clip, a plurality of internal hooking features, and a plurality of internal latching features. The clip assembly is secured by engaging at least some of the hooking features and the flanges on the edges of the housing and engaging the latching features and corresponding attachment features on the internal support plate.
    Type: Grant
    Filed: August 27, 2010
    Date of Patent: January 21, 2014
    Assignee: Apple Inc.
    Inventors: Teodor Dabov, Kyle Yeates, Anthony Montevirgen
  • Publication number: 20130321972
    Abstract: A static elimination device is proposed for eliminating static electricity on the surface of a large-size glass substrate. The static elimination device includes a rotation axis and an electrostatic neutralizer. The rotation axis is installed outside a cassette in which the glass substrate is installed. The electrostatic neutralizer is permanently connected to the rotation axis. The rotation axis is driven to rotate, causing the electrostatic neutralizer centered on the rotation axis to rotate back and forth at a specific angle. The static elimination device of the present invention features simple structure, low fuel consumption and high efficiency, low cost, and high efficiency in static elimination. Owing to these features, the static elimination device of the present invention could work very well for the glass substrate of an arbitrary size. A cassette including the static elimination device is also proposed.
    Type: Application
    Filed: June 12, 2012
    Publication date: December 5, 2013
    Applicant: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO. LTD.
    Inventors: Xiande Li, Chunhao Wu, Kunhsien Lin, Erqing Zhu, Minghu Qi, Weibing Yang
  • Patent number: 8575573
    Abstract: A structure for discharging an extreme ultraviolet mask (EUV mask) is provided to discharge the EUV mask during the inspection by an electron beam inspection tool. The structure for discharging an EUV mask includes at least one grounding pin to contact conductive areas on the EUV mask, wherein the EUV mask may have further conductive layer on sidewalls or/and bottom. The inspection quality of the EUV mask is enhanced by using the electron beam inspection system because the accumulated charging on the EUU mask is grounded.
    Type: Grant
    Filed: May 20, 2011
    Date of Patent: November 5, 2013
    Assignee: Hermes Microvision, Inc.
    Inventors: You-Jin Wang, Chiyan Kuan, Chung-Shih Pan
  • Patent number: 8488293
    Abstract: An assembly, system and method are provided for discharging a rotating shaft encompassed by a stationary housing. The system includes an annular charge-dissipating component and a biasing element oriented to apply an axial force to the charge-dissipating component, holding it in contact with the shaft and the housing while the shaft is rotating. The biasing element may be a coil spring or a wave spring. A shaft grounding upgrade kit includes a conductive ring member and a cylindrical spring having a diameter that is the same as that of the conductive ring member. The spring constant of the cylindrical spring is such that the spring holds the conductive ring member within the housing in contact with the shaft and the housing. The conductive ring member may be constructed of gray iron and the cylindrical spring is one of a wave spring and a coil spring.
    Type: Grant
    Filed: December 15, 2010
    Date of Patent: July 16, 2013
    Assignee: Caterpillar Inc.
    Inventor: Jonathan M. Baumann
  • Patent number: 8428878
    Abstract: A lightning strike simulation apparatus includes a storage device for storing lightning strike data, a setting unit for setting a simulation target in a simulation space, a downward leader advancing unit for advancing a downward leader from a lightning strike start position set by the setting unit, an upward leader advancing unit for advancing upward leaders from lightning strike-receiving candidate points set in the simulation space when a distance between a leading edge of the downward leader and a reference point is within a first threshold value, and a lightning strike point determination unit for, when a distance between a leading edge of the downward leader and a leading edge of any one of the upward leaders is within a second threshold value, determining that the lightning strike-receiving candidate point corresponding to the any one of the upward leaders is a lightning strike point.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: April 23, 2013
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Takehiro Naka, Tsuyoshi Wakasa, Shinji Arinaga
  • Publication number: 20120292509
    Abstract: A structure for discharging an extreme ultraviolet mask (EUV mask) is provided to discharge the EUV mask during the inspection by an electron beam inspection tool. The structure for discharging an EUV mask includes at least one grounding pin to contact conductive areas on the EUV mask, wherein the EUV mask may have further conductive layer on sidewalls or/and bottom. The inspection quality of the EUV mask is enhanced by using the electron beam inspection system because the accumulated charging on the EUU mask is grounded.
    Type: Application
    Filed: May 20, 2011
    Publication date: November 22, 2012
    Inventors: You-Jin WANG, Chiyan KUAN, Chung-Shih PAN
  • Publication number: 20120019974
    Abstract: Accumulation off the electrical energy, using tank LC circuit combined with crystal oscillator. Source of induction for initial accumulation, comes from magnetic field in the lightning rod during the lightning strike. Accumulated energy can be used in the existing grid or as electrical energy source.
    Type: Application
    Filed: March 18, 2010
    Publication date: January 26, 2012
    Inventor: Robert Rener
  • Patent number: 8081415
    Abstract: A grounding assembly for electronic equipment provides a discharge path for the energy arising from lightning strikes. A conductive strap connects the ground lug of the equipment to a ground plate buried in the earth. The conductive strap has a length, width and thickness, with the width being greater than the thickness. This reduces the inductance of the conductor from the controller to the ground plate, thereby enhancing the ability of the grounding assembly to dissipate energy from lightning strikes.
    Type: Grant
    Filed: April 16, 2009
    Date of Patent: December 20, 2011
    Assignee: Paige Electric Company, L.P.
    Inventor: Vincent Nolletti
  • Patent number: 8050007
    Abstract: An air terminal/point base has an air terminal/point plate with upper and lower surfaces and apertures. The upper surface has an upstanding cylinder with a threaded aperture. An air terminal/point has a threaded base coupled to the threaded aperture. A conductive cable couples the air terminal/point to a ground. A patch of roofing material having upper and lower surfaces is in a configuration corresponding to the air terminal/point plate. The patch has a plurality of apertures in axial alignment with the apertures of the air terminal/point plate. A rivet extends through the apertures of the air terminal/point plate and each patch coupling the lower surface of the air terminal/point plate to the upper surface of an associated patch. The method includes the step of cohering the patch to the material through the application of pressure applied for 3 to 5 seconds and heat at a temperature of 122 degrees Fahrenheit.
    Type: Grant
    Filed: November 26, 2008
    Date of Patent: November 1, 2011
    Inventors: Wayne P. DeGurski, David R. Cordoves, Rick A. Caruso
  • Patent number: 7961450
    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: Grant
    Filed: July 3, 2008
    Date of Patent: June 14, 2011
    Assignee: Getac Technology Corporation
    Inventor: Kuo-Ming Chuang
  • Patent number: 7834487
    Abstract: An electrical shorting stick and method of using it. The apparatus and method allow the user to work on or about high-voltage equipment at tremendously reduced risk of accidental electrocution. The apparatus permits the user to secure a reliable short-circuit of the equipment to the absolute ground, so that current cannot be directed through the bodies of the service crew. The apparatus is placed into contact with the equipment of interest. While in contact with the equipment, the apparatus is manipulated by the user to safely discharge to absolute ground all potentially hazardous electrical current. The apparatus has a handle assembly movable upon a main road assembly. When the handle assembly is placed into a first position, current is directed from the equipment to the absolute ground via the apparatus including a resistor.
    Type: Grant
    Filed: September 8, 2008
    Date of Patent: November 16, 2010
    Inventor: Dana A. Netz
  • Publication number: 20100027185
    Abstract: The vehicle static electricity discharge device is an electrostatic discharge system for a road vehicle including an electrically conducting rod in electrical contact with a. thin film resistor which in turn is in electrical contact with an electrically conducting part of the vehicle body. An actuator mountable to the vehicle can reversibly and pivotally move the conducting rod between a position that contacts the ground and a retracted position removed from ground contact. An actuator energizer operatively connected to the actuator selectively energizes the actuator for deployment of the conductor rod to contact the ground so as to provide an electrical pathway for electric charge from the electrically conducting part of the vehicle body, through the thin film resistor, and then to the ground for a predetermined interval, and wherein in the retracted position the conductor element is distanced from the ground so as to interrupt the electrical pathway.
    Type: Application
    Filed: August 4, 2008
    Publication date: February 4, 2010
    Inventor: Jeffrey P. Jaklinski
  • Publication number: 20100008011
    Abstract: An antenna for the collection of atmospheric static electricity in which an electrically conductive hub is suspended from a balloon or blimp via a tether. The hub is either solid or uses a spoke/arm arrangement. A number of rods extend from the hub enhance the collection of atmospheric static electricity. The collected atmospheric electricity is conducted from the rods to an electrical connection where the electricity is conducted to earth via a conductive line.
    Type: Application
    Filed: January 16, 2009
    Publication date: January 14, 2010
    Inventor: Mark Ellery Ogram
  • Patent number: 7573696
    Abstract: A device for safe dissipation of static electricity or charge from an object, comprising at least one conductive contacting means intended to be applied in contact with the object and to be connected to a point capable of dissipating electric current. The contacting means is connected to the dissipation point via a low conductive material for slow dissipation of current from the object, such that the formation of sparks is avoided. Preferably, the low conductive material comprises an insulating matrix, such as plastics, and a conductive additive mixed therein, such as metallic powder or soot. A potential recharging of the object will then be dissipated relatively slowly during initial contact with the device such that no spark can be released. Thereby, an explosion or fire can be avoided in hazardous environments, particularly in the field of chemical industry.
    Type: Grant
    Filed: January 28, 2005
    Date of Patent: August 11, 2009
    Assignee: Anders Thulin Consulting AB
    Inventor: Anders Thulin
  • 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: 7284582
    Abstract: A pneumatic rubber tire containing at least one electrically conductive cord extending between its bead and tread portions to provide a path of least electrical resistance. The electrically conductive cord is comprised of at least one electrically conductive metal filament spirally wound around a centrally disposed core of at least one organic fiber. The electrically conductive cord does not extend to, and is exclusive of, an outer surface of the tire.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: October 23, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: David John Zanzig, Jennifer Lyn Ryba, Donald William Baldwin, Jr., Michael Edward Putinski, Jean Luc Dheur, Pierre Marie Jean Gustave Ghislain Dauvister
  • Patent number: 7284583
    Abstract: This invention relates to a pneumatic rubber tire which contains at least one electrically conductive cord extending from an external outer surface of its wheel-rim mounting surface rubber component to an internal electrically conductive tread base layer rubber component to provide a path of least electrical resistance, namely an electrically conductive path, between the outer tire wheel-rim mounting surface and the internal tire tread base layer. The electrically conductive cord is comprised of at least one electrically conductive metal filament (e.g. metal filament, carbon fiber or combination of metal filament and carbon fiber) spirally wound around a centrally disposed core of at least one organic fiber.
    Type: Grant
    Filed: June 14, 2005
    Date of Patent: October 23, 2007
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Jean Luc Dheur, Pierre Marie Jean Dauvister
  • Patent number: 7193836
    Abstract: A grounding brush for mitigating static electric charge on a motor shaft includes a plurality of filaments secured to an annular frame around the shaft, with tips of the filaments disposed in a channel defined by the frame. Conductive powder can be provided in the channel to improve current flow from the shaft to the filaments.
    Type: Grant
    Filed: June 25, 2004
    Date of Patent: March 20, 2007
    Assignee: Illinois Tool Works Inc
    Inventors: Hieyoung W. Oh, Charles A. King
  • Patent number: 7144525
    Abstract: An elastic member of a semiconductive polymer comprising a conductive composition containing a conductive polymer and binder polymer, wherein the elastic member satisfies both characteristics of (A) a variation of 1.5 digit or less between the electrical resistance at an applied voltage of 1V and the electrical resistance at an applied voltage of 133V under an environment of 25° C. and 50% RH, and (B) a variation of one digit or less between the electrical resistance at an applied voltage of 10V under an environment of 15° C. and 10% RH and the electrical resistance at an applied voltage of 10V under an environment of 35° C. and 85% RH.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: December 5, 2006
    Assignee: Tokai Rubber Industries, Ltd.
    Inventors: Hitoshi Yoshikawa, Akitoshi Nozawa, Satoshi Suzuki, Kunio Ito
  • Patent number: 7136271
    Abstract: A static charge neutralizer for a moving component of an apparatus includes a plurality of filaments on a conductive strip, with tips of the filaments disposed adjacent but spaced from the moving component. The filaments induce ionization in the presence of an electrical field from the statically charged surface of the moving component.
    Type: Grant
    Filed: November 14, 2003
    Date of Patent: November 14, 2006
    Assignee: Illinois Tool Works Inc
    Inventors: Hieyoung W. Oh, Charles A. King, Daniel P. McCormick
  • Patent number: 6930239
    Abstract: A ground bar includes a bar, a head securely connected to a first end of the bar, and a cap securely connected to a second end of the bar. The head is composed of a solid cone and a hollow sleeve securely connected to the solid cone and having a diameter larger than a diameter of the bar in such way that the outer periphery of the bar is protected so that after the head is extended into the ground, the outer periphery of the bar is protected from damage. The outer periphery of the hollow sleeve has slits defined thereon for guiding dirt.
    Type: Grant
    Filed: May 18, 2004
    Date of Patent: August 16, 2005
    Inventor: Kuo-Hsiung Chen
  • Patent number: 6909587
    Abstract: An ion generator generates ions above a semiconductor wafer and the ions are directed towards a surface of a semiconductor wafer. The ions combine with static charges on the semiconductor wafer to thereby discharge the surface of the semiconductor wafer.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: June 21, 2005
    Assignee: Oki Electric Industry Co., Ltd.
    Inventor: Akihiro Sonoda
  • Patent number: 6707077
    Abstract: An interconnect bus for a microelectromechanical system is disclosed. Various attributes for an electrical trace bus that facilitate the routing of signals throughout at least a portion of the system and/or the layout of the microelectromechanical system on a wafer are disclosed.
    Type: Grant
    Filed: March 16, 2002
    Date of Patent: March 16, 2004
    Assignee: MEMX, Inc.
    Inventor: Samuel Lee Miller
  • Patent number: 6621681
    Abstract: A low voltage method and system for controlling electrically activated microelectromechanical (MEM) actuators such as electrostatic comb actuators in reflective microstructure positioning systems are provided. In one embodiment, a low voltage control system (110) includes a single fixed DC voltage source (14) and a plurality of variable DC voltage sources (16). The fixed DC voltage source (14) is electrically connected to commonly connected first terminals (12a) of a plurality of MEM actuators (12) between the MEM actuators (12) and a reference potential (18). Each variable DC voltage source (16) is associated with a separate MEM actuator (12) and is electrically connected between the reference potential (18) and a second terminal (12b) of its associated MEM actuator (12). The fixed DC voltage source supplies a fixed DC voltage that is common to the MEM actuators (12). Each variable DC source (16) supplies a controllable DC voltage to its associated MEM actuator (12).
    Type: Grant
    Filed: December 5, 2001
    Date of Patent: September 16, 2003
    Assignee: Memx, Inc.
    Inventors: Murray Steven Rodgers, Samuel Lee Miller
  • Patent number: 6579473
    Abstract: An ethylene propylene rubber foam which comprises as the crude rubber, an ethylene propylene rubber having an iodine value of 35 to 45 and a Mooney viscosity ML1+4 at 100° C. of 20 to 50, and which has less compression set and is suitable as a material for a transfer member, a primary transfer member, a secondary transfer member, a cleaning member for image formation bodies, a bias member, a backup member, etc.; an electroconductive ethylene propylene rubber foam which comprises as the crude rubber, an ethylene propylene rubber having an iodine value of 35 to 45 and a Mooney viscosity ML1+4 at 100° C.
    Type: Grant
    Filed: October 19, 2000
    Date of Patent: June 17, 2003
    Assignee: Bridgestone Corporation
    Inventors: Chikara Yamada, Toshiyuki Osaki, Tadashi Nakajima, Takahiro Kawagoe
  • Patent number: 6522077
    Abstract: An ionizing rod comprising a core having an outer surface with a plurality of ionizing points disposed along the outer surface of the core. The plurality of ionizing points are sufficiently dense upon the core surface such that air between the plurality of ionizing points and an object is sufficiently ionized to remove static charge from the object. The core material can be electrically conductive, insulative, or static dissipative. The methods to attach the ionizing points to the core include a pullover sleeve, made of fibers including ionizing points, and glue to adhere either fibers in electrical communication or not in electrical communication depending on whether conductive or non-conductive adhesive are employed. Alternative embodiments include a device for the ionizing charged particles to travel to ground or electrically charged and a grip.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: February 18, 2003
    Inventor: William J. Larkin
  • Patent number: 6357767
    Abstract: A wheeled conveyance, such as a shopping cart, a luggage cart, a utility cart, a wheel chair, a gurney, or a tricycle has a metal chassis and wheels, which support the metal chassis above a supporting surface, such as a floor surface, and which may isolate the metal chassis electrically from the supporting surface. The metal chassis is grounded to the supporting surface by an elongate, flexible member, which is made from a non-metallic, static-dissipative material, such as a polyvinyl chloride, and which is arranged to drag along the supporting surface when the wheeled conveyance is moved along the supporting surface. Each wheel has an axle, on which such wheel is rotatable, and the elongate member can be mechanically and electrically connected to the axle of one of the wheels.
    Type: Grant
    Filed: October 10, 2000
    Date of Patent: March 19, 2002
    Assignee: Unarco Industries, Inc.
    Inventors: Taft O'Quin, Leslee Bottoms
  • Patent number: 6320119
    Abstract: Air terminals of two types having curved surface electrodes that act passively or dynamically to minimize or further reduce corona during the close approach of the down leader. In the first type, a fully grounded passive terminal, suitably located and comprising a conductive curved surface of a given radius on a grounded rod of given height, is located and suitably dimensioned in order to minimize corona discharges until the median field rises to a level sufficient to support streamer to leader conversion, as described below. In the second type, dynamic action is achieved by allowing the curved surface to float upwardly in voltage by use of capacitive coupling to the approaching leader. The raising of voltage being in the same polarity as the leader, acts to reduce the electric field immediately above, with consequent reduction in corona.
    Type: Grant
    Filed: July 26, 1999
    Date of Patent: November 20, 2001
    Assignee: Erico International Corporation
    Inventor: John Richard Gumley
  • Patent number: 6260224
    Abstract: A broom type particle collector has a particle pick-up assembly joined to an elongated handle. The pick-up assembly has a non-electrical conductive foam plastic member accommodating a cathode for imparting negative charges or particles and an anode for collecting the charged particles. An electrical power supply located within the handle provides electric power to the cathode and anode.
    Type: Grant
    Filed: August 4, 1998
    Date of Patent: July 17, 2001
    Inventor: Michael R. Pinkus
  • Patent number: 6215248
    Abstract: Germanium needles as emitter electrodes for use in low particle generating gas ionizers in general and static eliminators in particular. They oxidize with minimal incorporation of nitrogen, and the negative polarity emitters oxidize at a greater rate than the positive polarity emitters. Negative polarity silicon emitters generate several orders of magnitude greater particle emissions than either positive or negative germanium electrodes. The mean particle size is about 0.015 &mgr;m. No particles were shed from these needles. Lowest particle generation is achieved when germanium electrodes are purged with dry air.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: April 10, 2001
    Assignee: Illinois Tool Works Inc.
    Inventor: Charles G. Noll
  • Patent number: 6140581
    Abstract: An electrically grounded semiconductor structure is embedded in a non-conductive packaging material, without employing any electrical leads of the semiconductor structure as an electrical path and without damaging the semiconductor structure. The desired grounding connection is obtained by physically removing a portion of the non-conductive packaging material from a rear portion of the semiconductor structure, replacing the removed non-conductive material by a conformable electrically conductive material, and then electrically contacting this conformable electrically conductive material to a grounding element. In another aspect of the invention, a portion of the non-conductive packaging material is removed from a rear portion of the semiconductor structure and a metallic element such as a pin or a spring is disposed to make contact between the exposed portion of the semiconductor structure and the grounding element.
    Type: Grant
    Filed: December 3, 1997
    Date of Patent: October 31, 2000
    Assignee: Mitsubishi Electronics America, Inc.
    Inventors: Joseph W. Cowan, Tom Taylor, J. Neil Schunke
  • Patent number: 6075449
    Abstract: An electrical static eliminator device performance indicator including a sensor for sensing the ion flow from an emitter point of the static eliminator device and also for sensing the presence of a voltage at an emitter point to accurately detect the fouling of a point or shorted point condition; a display, responsive to the means for sensing, for displaying an indication of a fouled emitter point or a shorted emitter point; and an electrical circuit interconnecting the sensor and the display.
    Type: Grant
    Filed: May 26, 1998
    Date of Patent: June 13, 2000
    Assignee: Chapman Corporation
    Inventor: Chandler G. Sinnett
  • Patent number: 6001282
    Abstract: An electromagnetic shield (20) for protecting individuals from the adverse effects of electromagnetic radiation includes a homogenous composition of finely ground tourmaline and a porous carrier. The electromagnetic shield (20) is attached to a radiating device such as the handset of a portable telephone. The tourmaline reacts with moisture in the air to produce negative ions which cancel the positive ions created by the radiating device, thereby substantially reducing or eliminating the harmful effects of the radiation. The electromagnetic shield (20) composition can be molded into housings for radiating devices.
    Type: Grant
    Filed: May 15, 1999
    Date of Patent: December 14, 1999
    Assignee: Electro K, Inc.
    Inventor: Rick K. Kanase
  • Patent number: 5843567
    Abstract: There is disclosed an electrical component having an axial direction and two ends for making electrical contact with another component comprising a plurality of electrically conductive fibers in a matrix, the plurality of the fibers being oriented in the matrix in a direction substantially parallel in the axial direction of the component and being continuous from one end of the component to the other end to provide a plurality of electrical point contacts at each end of the component, wherein the component further includes magnetic particles.
    Type: Grant
    Filed: June 3, 1997
    Date of Patent: December 1, 1998
    Assignee: Xerox Corporation
    Inventors: Joseph A. Swift, Ronald F. Ziolo, Stanley J. Wallace
  • Patent number: 5811694
    Abstract: A force transducer having a post connected to an underlying substrate having a plurality of strain gauges, is protected from otherwise damaging static electric discharge current using a grounding guard. The guard is preferably a flat conductive member having an aperture for receiving the post and a tab for connection to electrical ground. The guard surrounds the post and overlays the substrate to channel such current away from delicate strain gauges and other electronics. In the preferred embodiment the aperture is formed by bending up a plurality of flaps cut into the guard and bent up to receive the post in press-fit engagement.
    Type: Grant
    Filed: June 6, 1997
    Date of Patent: September 22, 1998
    Assignees: Bokam Engineering, Bourns, Inc.
    Inventors: Boris Kamentser, Eugenia Kamentser, Michael C. Scofield
  • Patent number: 5740007
    Abstract: A CDM simulator for use with an integrated circuit having a terminal and for use with a grounding conductor, includes a cylindrical conductor, and a mercury lead switch contained in the cylindrical conductor, the mercury lead switch having a first end connected to the cylindrical conductor and a second end for connection to the terminal of the integrated circuit, and the mercury lead switch having a first length, the cylindrical conductor having an end closer to the terminal of the integrated circuit for connection to the grounding conductor in order to release electric charge from the integrated circuit to the grounding conductor, and the cylindrical conductor having a second length longer than the first length of the mercury lead switch.
    Type: Grant
    Filed: June 10, 1996
    Date of Patent: April 14, 1998
    Assignee: Hanwa Electronic Ind. Co., Ltd.
    Inventors: Toshiyuki Nakaie, Akira Yoshino, Shin Yoshida, Kenichi Sengo
  • Patent number: 5740006
    Abstract: A low profile ionizing surface (LPIS) for use as a static eliminator or charging means in an apparatus within which insulative material is contacted by apparatus surfaces. The LPIS includes a low profile fibrous network of randomly disposed, electrically conductive, 0.5-50 .mu.m by 1/8"-3" microfibers in electrically conductive contact with one another across the network, providing microfiber ionizing points across the network surface. The thickness of the network is significantly less than the average length of the microfibers. An adhesive layer fixes the network to a surface of the machine. Thus, when the network is grounded or electrically charged, static charge is removed from the material as it passes across or near the exposed surface of the network. The LPIS may be in the form of a peel-and-stick sheet or tape, or a kit may be provided to install the LPIS in an apparatus.
    Type: Grant
    Filed: September 29, 1995
    Date of Patent: April 14, 1998
    Inventor: William J. Larkin
  • Patent number: 5691875
    Abstract: The present invention provides a grounding system for discharging static electricity. The grounding system includes a body-contacting member which forms an electrical connection with at least a portion of a human body and a grounding cable. The grounding cable has an elongated conductive member with a first end for connection to ground potential and a second end for electrically communicating with the body-contacting member. At least one end of the elongated conductive member is embedded within a resistive material having an electrical conductivity of 10.sup.5 -10.sup.12 ohms/square. In one embodiment, the body-contacting member is a wrist or ankle strap while the resistive material is a polymer loaded with conductive and semiconductive particles. Exemplary conductive particles are selected from carbon, metals, and mixtures thereof.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: November 25, 1997
    Assignee: Lucent Technologies Inc.
    Inventors: George Theodore Dangelmayer, John Phillip Franey, Robert Garland Renninger, II
  • Patent number: 5602712
    Abstract: An object, typically photoconductor drum is electrically charged by placing a contact charger member in abutment with the object to be charged and applying voltage between the contact charger member and the object. Charging is effected by properly controlling the capacitance of the contact charger member, the capacitance of the object, and the applied voltage. A sufficient charged potential is achieved through the application of a relatively low voltage, while preventing ozone generation.
    Type: Grant
    Filed: September 25, 1992
    Date of Patent: February 11, 1997
    Assignee: Bridgestone Corporation
    Inventors: Hideharu Daifuku, Yoshitomo Masuda, Kinya Suzuki, Hiroshi Harashima, Hiroshi Kaneda, Yoshio Takizawa, Takahiro Kawagoe
  • Patent number: 5270106
    Abstract: An electronic component for making electrical contact with another component comprising a nonmetallic pultruded composite member having a plurality of small generally circular cross section conductive fibers in a polymer matrix the plurality of fibers being oriented in the matrix in a direction substantially parallel to the axial direction of the member and being continuous from one end of the member to the other to provide a plurality of electrical point contacts at each end of the member at least one end of the member having a fibrillated brush-like structure of said plurality of fibers providing a densely distributed filament contact wherein the terminating ends of the fibers in the brush-like structure defines an electrically contacting surface. In a preferred embodiment the brush-like member is a laser fibrillated structure.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: December 14, 1993
    Assignee: Xerox Corporation
    Inventors: Thomas E. Orlowski, Joseph A. Swift, Stanley J. Wallace, Wilbur M. Peck, John E. Courtney, David E. Rollins
  • Patent number: 5228373
    Abstract: In a paper processing machine, the method and apparatus of this invention apply an opposite electrostatic charge to stacks and reams of paper to eliminate the repelling force from like charges on both sides of the individual sheets of the stack or ream to thereby temporarily bond them together. With the sheets thus temporarily bonded, the stacks and reams of paper can be easily transported between work stations without undesirable sliding of the sheets.
    Type: Grant
    Filed: August 27, 1991
    Date of Patent: July 20, 1993
    Assignee: Robert A. Foisie
    Inventor: Bernhard J. Welsch
  • Patent number: 5161124
    Abstract: The described embodiments of the present invention provide a circuit and method for programming the mode options of an integrated circuit. The embodiment described provides this function for a dynamic random access memory but is applicable to any integrated circuit. The integrated circuit includes programming bonding pads which are either connected to a selected reference potential or left unconnected. Circuitry on the integrated circuit determines whether the pad is connected to the reference potential or is unconnected, and provides logical signals on the integrated circuit which select the operational mode of the integrated circuit. An additional feature of the described embodiment is a continuous checking to determine if the appropriate connected or unconnected state is being detected. This feature provides stray fields and other erroneous signals from altering the mode operation of the integrated circuit.
    Type: Grant
    Filed: June 10, 1991
    Date of Patent: November 3, 1992
    Assignee: Texas Instruments Incorporated
    Inventor: Andrew M. Love
  • Patent number: 5139862
    Abstract: An electronic device for conducting electric current has two contacting components at least one of which is a nonmetallic electronic contact in the form of a pultruded composite member made of a plurality of small generally circular cross section conductive fibers in a polymer matrix, the fibers being oriented in the matrix in a direction substantially parallel to the axial direction of the pultruded composite member and being continuous from one end of the member to the other to provide a plurality of electrical point contacts at each end of the member.
    Type: Grant
    Filed: December 11, 1991
    Date of Patent: August 18, 1992
    Assignee: Xerox Corporation
    Inventors: Joseph A. Swift, Stanley J. Wallace, Wilbur M. Peck
  • Patent number: 5057966
    Abstract: An apparatus for removing static electricity from charged articles existing in a clean space, particularly in a clean room for the production of semiconductor articles, includes a AC ionizer having a plurality of needle-like emitters disposed in a flow of clean air. A discharge end of each emitter is coated with a dielectric ceramic material. Opposite conductors are also included which are respectively positioned apart from the discharge end of each emitter by a predetermined distance. Each opposite conductor is grounded. Emitters of some of the discharge pairs are connected to a high voltage AC source having added thereto negative voltage bias to thereby form pseudo negative pole emitters, and emitters of the other discharge pairs are connected to a high voltage AC source having added thereto a more positive voltage bias relative to the negative voltage bias to thereby form pseudo positive pole emitters.
    Type: Grant
    Filed: October 13, 1989
    Date of Patent: October 15, 1991
    Assignee: Takasago Thermal Engineering Co., Ltd.
    Inventors: Soichiro Sakata, Takanori Yoshida, Takao Okada
  • Patent number: 4890189
    Abstract: A lightning protective device for a ground based mobile radar antennas of the type which moves round a vertical axis. The device includes: an electrically conductive rod, located near the antenna which is placed outside the transmission and reception sector of the antenna. A first or top end of the rod is higher than the antenna. An electrically insulating rigid support connects the rod and the antenna and transfers rotation of the antenna to the rod, thus keeping the rod outside the transmission and reception sector of the antenna. A fixed electrically conductive circular rail is placed below and around the antenna, and several electrically conductive elements are connected to the rod to the rail, and to the insulating rigid support so as to rotate with the antenna and the rod, and include an electrically conductive skid which rubs against the circular rail, thus providing for an electrical contact between the rotatiing rod and the rail which is connected to ground.
    Type: Grant
    Filed: February 25, 1988
    Date of Patent: December 26, 1989
    Assignee: Thomson-CSF
    Inventor: Deville Genevieve
  • Patent number: 4887240
    Abstract: According to the present invention, each successive refresh to the multiple banks of a DRAM array is staggered by one clock period. Thus, the time required to refresh one row in each DRAM of each bank at 10 MHz, for example, is equal to 0.7 .mu.sec., or 4.4% of the total allowable maximum time between refresh cycles. This staggered refresh technique avoids large power supply current spikes while minimizing the effect on memory access bandwidth.
    Type: Grant
    Filed: December 15, 1987
    Date of Patent: December 12, 1989
    Assignee: National Semiconductor Corporation
    Inventors: Timothy L. Garverick, Farid A. Yazdy, Richard D. Henderson, Webster B. Meier
  • Patent number: RE33556
    Abstract: A computer terminal support and hand rest to be placed on a desk top and interposed between the computer terminal and a computer operator as well as being interposed between the computer terminal and the desk top. The computer terminal support provides a hand rest for supporting the hands of the computer operator both during use of the computer terminal and during rest intervals. In a preferred embodiment, the support also includes a conductive portion for draining static charges from the computer terminal operator to prevent circuit damage and erroneous command signals to the computer and to prevent electrical shock to the operator.Several embodiments of the support are disclosed including alternate structures for providing a static discharge path, alternate structures for supporting the hands and alternate structures for supporting the computer terminal.
    Type: Grant
    Filed: October 2, 1989
    Date of Patent: March 19, 1991
    Inventor: Joseph J. Berke