Magnetic Patents (Class 174/353)
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Patent number: 11950453Abstract: A display device includes a ferromagnetic layer including a ferromagnetic material, a cover window disposed above the ferromagnetic layer, and a display panel disposed between the ferromagnetic layer and the cover window, where the display panel includes a curved area which is bent.Type: GrantFiled: February 21, 2023Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventor: Sangwon Lee
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Patent number: 11690208Abstract: Provided is an electromagnetic field shielding plate, etc., in which it is possible to reduce weight while achieving high shielding performance from relatively high-frequency electromagnetic fields. The electromagnetic field shielding plate is configured by layering a permalloy layer 3 comprising a plate or sheet of permalloy, and an amorphous layer 1 comprising an Fe—Si—B—Cu—Nb-based amorphous plate or sheet.Type: GrantFiled: January 15, 2019Date of Patent: June 27, 2023Assignee: Hitachi High-Tech CorporationInventors: Ichiro Miyano, Osamu Komuro, Masakazu Takahashi, Masashi Fujita
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Patent number: 11659700Abstract: Provided is an electromagnetic field shielding plate, etc., in which it is possible to reduce weight while achieving high shielding performance from relatively high-frequency electromagnetic fields. The electromagnetic field shielding plate is configured by layering a permalloy layer 3 comprising a plate or sheet of permalloy, and an amorphous layer 1 comprising an Fe—Si—B—Cu—Nb-based amorphous plate or sheet.Type: GrantFiled: January 15, 2019Date of Patent: May 23, 2023Assignee: Hitachi High-Tech CorporationInventors: Ichiro Miyano, Osamu Komuro, Masakazu Takahashi, Masashi Fujita
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Patent number: 11551857Abstract: At least one shielding layer made of conductive material is formed on a body of a magnetic device to prevent magnetic fields from leaking to the outside of the magnetic device so as to reduce EMI and the size of the magnetic device.Type: GrantFiled: April 12, 2019Date of Patent: January 10, 2023Assignee: CYNTEC CO., LTD.Inventors: Min-Feng Chung, Meihua Chen, Po-I Wu
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Patent number: 11479097Abstract: A body weather strip for a vehicle includes a carrier part coupled by being fitted in a car body panel and a tube part integrally formed with the carrier part and configured to perform a function when coming in contact with a door panel. A conductive coating agent is applied to the tube part and an external power is connected to the conductive coating agent.Type: GrantFiled: March 6, 2020Date of Patent: October 25, 2022Assignees: Hyundai Motor Company, Kia Motors Corporation, DRB Holding Co., Ltd.Inventors: Min Han Ryu, Bo Ram Kang, Gi Soo Jang, Kon Kim, Young Kun Hong
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Patent number: 11357141Abstract: An electromagnetic emission shield for protecting a facility having a volume of coal combustion residue. The shield includes a carbon-based material positioned inside an interior space of the coal combustion residue proximate to and interposed between a potential source of electromagnetic emission and the facility.Type: GrantFiled: June 18, 2020Date of Patent: June 7, 2022Assignee: GO TEAM CCR, LLCInventors: Francis Norbert Hector, Jr., Davidson A. Scott
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Patent number: 11286063Abstract: A spacecraft includes a body defining an interior payload region and a particle dispersion layer disposed between the interior payload region and one or more exterior surfaces of the body. The particle dispersion layer is formed of one or more magnets having a persistent magnetic field. The spacecraft including the particle dispersion layer may be manufactured by obtaining a particle dispersion layer having a persistent magnetic field, identifying a directionality of the persistent magnetic field of the particle dispersion layer, and installing the particle dispersion layer between an interior payload region formed by a body of a spacecraft and one or more exterior surfaces of the body according to the identified directionality of the persistent magnetic field.Type: GrantFiled: May 15, 2019Date of Patent: March 29, 2022Assignee: THE BOEING COMPANYInventor: Brian Tillotson
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Patent number: 11197399Abstract: A method according to one embodiment includes securing a first plurality of conductive sheets to a surface, applying a conductive tape to a first plurality of joints between conductive sheets of the first plurality of conductive sheets, and securing a second plurality of conductive sheets to the first plurality of conductive sheets without fully penetrating the first plurality of conductive sheets. In such an embodiment, each of a second plurality of joints between conductive sheets of the second plurality of conductive sheets is offset relative to the first plurality of joints.Type: GrantFiled: February 28, 2019Date of Patent: December 7, 2021Assignee: Lifeline IP Holdings, LLCInventors: Alex J. Carroll, Richard L. Banta
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Patent number: 10826247Abstract: An electromagnetic shielding system is configured to shield one or more electrical connections between one or more first electrical cables and one or more second electrical cables. The electromagnetic shielding system includes a base. A first cable coupler is frangibly coupled to the base. The first cable coupler is configured to electrically couple to the first electrical cable(s). A second cable coupler is frangibly coupled to the base. The second cable coupler is configured to electrically couple to the second electrical cable(s). A covering lid is frangibly coupled to the first cable coupler, the second cable coupler, and the base. An electrical connection chamber is defined between the base, the first cable coupler, the second cable coupler, and the covering lid. The first electrical cable(s) are configured to electrically connect to the second electrical cable(s) within the electrical connection chamber.Type: GrantFiled: June 5, 2019Date of Patent: November 3, 2020Assignee: THE BOEING COMPANYInventors: Eric B. Gilbert, Andrew M. Robb, Jason A. Fraser, Steven E. Klein
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Patent number: 10815016Abstract: Example aspects of a deployed electromagnetic radiation deflector shield assembly and a method for using a deployed electromagnetic radiation deflector shield are disclosed. The deployed electromagnetic radiation deflector shield assembly can comprise a base station on a ground surface; a deployed electromagnetic radiation deflector shield comprising an electromagnet configured to generate a magnetic field configured to deflect radiation from a radiation source; and an upright supporting the deployed electromagnetic radiation deflector shield at a distance away from the base station, and wherein the distance is configured to prevent the magnetic field from interfering with the base station.Type: GrantFiled: January 13, 2020Date of Patent: October 27, 2020Inventor: Richard Williams
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Patent number: 10678949Abstract: A sensitive element protection mechanism and a payment device using the sensitive element protection mechanism includes a circuit board; a sensitive element configured for storing, transmitting and/or processing user account information and user transaction information; a shield arranged in parallel with the circuit board; and an elastic member connecting the circuit board and the shield. The sensitive element is located on a side of the circuit board near the shield. The circuit board and the shield are provided and the sensitive element is provided between the circuit board and the shield so as to protect the sensitive element through the shield. The elastic member connects the circuit board and the shield to prevent the circuit board from being separated from the shield, thus preventing the circuit board from being opened to steal sensitive information in the sensitive element.Type: GrantFiled: July 31, 2017Date of Patent: June 9, 2020Assignee: PAX COMPUTER TECHNOLOGY (SHENZHEN) CO., LTD.Inventors: Xiaoyan Su, Yuzhuo Wang, Liheng Deng
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Patent number: 10663388Abstract: A system and method for accurately and efficiently testing a HEPA filter in a sterile environment, such as a clean room, by creating a closed-loop system. The system includes a multi-port interface including at least a challenge port and a verification port, each port being in communication with an area upstream from the HEPA filter. Through the challenge port, test substances are introduced to a supply air duct that is in communication with a HEPA filter. Through the verification port, a concentration of the test substances can be measured for comparison with a concentration that passed through the HEPA filter, i.e. downstream from the HEPA filter. As such, test substances can be dispersed throughout the air conditioning system before interacting with the HEPA filter, and accurately measured. The closed loop between the ports provides an accurate measurement of the concentration of test substances to test the HEPA filter.Type: GrantFiled: August 20, 2019Date of Patent: May 26, 2020Assignee: Performance Assurance Systems LLCInventors: Dean A. Pedalino, Peter L. Day, John R. Bentley, II
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Patent number: 10633121Abstract: A magnetic shield system for providing human occupants of spacecraft with protection from cosmic and solar radiation using electromagnets or solenoids for generating magnetic fields but which magnetic fields are kept at a sufficient distance from a spacecraft to greatly reduce the interference effect of the magnetic fields on the spacecraft electronic systems. The electromagnets or solenoids are placed at the ends of arms or shafts placed equidistantly from each other and projecting in uniform formation from the body of the spacecraft along the main axis or body of the spacecraft. The electromagnets or solenoids are placed parallel with each other and parallel with the main body of the spacecraft, are in-line with each other and are placed around the exterior of the spacecraft and along the main axis of the body of the spacecraft. Electromagnets may also be placed at the front and back of the spacecraft.Type: GrantFiled: August 18, 2017Date of Patent: April 28, 2020Inventor: Eamonn Patrick Trainor
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Patent number: 10405468Abstract: According to one embodiment, a shield case includes a frame configured to surround an electronic component and including a contact portion at a top of the frame, and a cover including a side plate and a top plate, a groove being formed at a peripheral portion of the top plate. The side plate is outside the frame and the groove contacts the contact portion when the cover is engaged with the frame.Type: GrantFiled: April 16, 2018Date of Patent: September 3, 2019Assignee: Toshiba Client Solutions Co., Ltd.Inventors: Tomokazu Yuasa, Hideo Shirasaka
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Patent number: 10078122Abstract: A jacket for radio frequency (RF) shielding a Magnetic Resonance Device (MRD) from external environment electromagnetic interference during its operation, which allows for homogenized imaging conditions. The RF shielding jacket is sized and shaped like an envelope to accommodate the MRD, with at least a portion of the RF shielding jacket including an electromagnetic interference shield. The RF shielding jacket is also combined with passive temperature insulating properties.Type: GrantFiled: February 16, 2015Date of Patent: September 18, 2018Assignee: Aspect Imaging Ltd.Inventor: Uri Rapoport
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Patent number: 10011372Abstract: A system is configured to shield an interior chamber of a structure. The system may include a power source, an outer shield assembly operatively connected to the power source and coupled to an outer wall of the structure, and an inner shield assembly surrounding the internal chamber. The outer shield assembly generates a magnetic field through and around the structure. The inner shield assembly deflects radiation particles away from the interior chamber and re-directs portions of the magnetic field around the interior chamber.Type: GrantFiled: October 29, 2015Date of Patent: July 3, 2018Assignee: The Boeing CompanyInventors: Jian Dong, Naveed Moayyed Hussain
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Patent number: 9980417Abstract: An electromagnetic interference (EMI) gasket is provided that includes a resiliently-flexible and conductive outer shell, a cushioning element disposed in the outer shell, and at least one magnetic component disposed in the outer shell configured to magnetically couple to a conductive surface of an electronic device chassis.Type: GrantFiled: January 10, 2017Date of Patent: May 22, 2018Assignee: Cisco Technology, Inc.Inventors: Feng Ji, Jianquan Lou, Chen Peng, Alpesh U. Bhobe, Yingchun Shu, Jinghan Yu, Li Xiaogang
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Patent number: 9955593Abstract: A plurality of parts built in an electronic apparatus are attached to a frame. Further, the frame has a peripheral wall portion formed along an outer peripheral face of the electronic apparatus. An upper cover has a rear face portion attached to a rear wall portion of the frame by a screw. Further, a lower cover has a rear face portion attached to the rear wall portion of the frame by a screw. With the structure, insertion locations of the fixtures such as screws can be suppressed from standing out.Type: GrantFiled: March 23, 2017Date of Patent: April 24, 2018Assignee: SONY INTERACTIVE ENTERTAINMENT INC.Inventors: Yukito Inoue, Yasuhiro Ootori
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Patent number: 9832915Abstract: According to various aspects, exemplary embodiments are disclosed of board level shields. In an exemplary embodiment, a board level shield (BLS) includes a fence and a lid. The fence is solderable to a printed circuit board (PCB). When the lid is engaged to the fence that has been soldered to the PCB, the BLS provides substantial electromagnetic interference (EMI) shielding protection to the components covered by the BLS. The lid may be constructed of a frame and a cover. The cover may be a film or foil. The lid may attach to the fence via a one way directional latching mechanism, which may be enhanced by the use of one or more interior downward tabs on the lid that meet one or more inward protrusions from the fence to create pressure on the lid and fence.Type: GrantFiled: January 9, 2017Date of Patent: November 28, 2017Assignee: Laird Technologies, Inc.Inventor: Shelby Ball
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Patent number: 9788413Abstract: An assembly and method provides improved electromagnetic interference shielding, particularly where the assembly includes a shield with a shield opening. The shield opening may be provided to permit the escape of thermal energy from an electronic component on a substrate under the shield or to receive at least a part of a thermal pad, electronic component, or conductive chassis. The assembly includes a first conductive gasket disposed around the shield opening, and a second conductive gasket disposed radially outward from the first conductive gasket. The first conductive gasket and the second conductive gasket have one or more gasket characteristics including a respective first characteristic and second characteristic that are of the same type but have different values. The first characteristic and the second characteristic may be one or more of different attenuation frequency ranges, compression amounts, compressive forces, and dimensions.Type: GrantFiled: November 9, 2015Date of Patent: October 10, 2017Assignee: MOTOROLA SOLUTIONS, INC.Inventors: Yaakov Moseri, Alexander J. Gomelsky, Lionid Kodner
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Patent number: 9781514Abstract: A stereo audio headphone apparatus comprising a master headphone unit comprising a master housing, master circuitry comprising a stereo audio source and a wireless transmitter, a master audio output device for playing a first stereo audio channel, a master audio input device, and a first independently settable frequency equalizer for the first stereo audio channel carried by the master housing, and a slave headphone unit comprising a slave housing, slave circuitry comprising a wireless receiver, a slave audio output device for playing a second stereo audio channel, a slave audio input device, and a second independently settable frequency equalizer for the second stereo audio channel carried by the slave housing. The master and slave circuitries are operable in a pass-through mode with audio sensed by the master and slave audio input devices being delivered to the master and slave audio output devices via the first and second frequency equalizers.Type: GrantFiled: October 8, 2015Date of Patent: October 3, 2017Assignee: K&E Holdings, LLCInventor: Eric Logan Hensen
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Patent number: 9576719Abstract: Embodiments of an electromagnetic coil assembly are provided, as are methods for the manufacture of an electromagnetic coil assembly. In one embodiment, the method for manufacturing an electromagnetic coil assembly includes the steps of providing a braided aluminum lead wire having a first end portion and a second end portion, brazing the first end portion of the braided aluminum lead wire to a first electrically-conductive interconnect member, and winding a magnet wire into an electromagnetic coil. The second end portion of the braided aluminum lead wire is joined to the magnet wire after the step of brazing.Type: GrantFiled: June 17, 2015Date of Patent: February 21, 2017Assignee: HONEYWELL INTERNATIONAL INC.Inventors: James Piascik, Robert Franconi, Jacob Harding, Jimmy Wiggins, Eric Passman, Richard Fox
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Patent number: 9161484Abstract: A selectively controllable electromagnetic shield having an electromagnetic shielding material and a mechanism for selectively generating an aperture in the shield. The mechanism for selectively generating an aperture may be a magnetic field source that generates a magnetic field of sufficient strength to substantially saturate all or a portion of the shielding material. For example, a permanent magnet or DC electromagnet may be used to selectively saturate the shield. In its un-saturated state, the magnetic shield has a high permeability and functions as a flux path for the magnetic field. Once saturated, the permeability of the shield is substantially reduced so that the magnetic field lines are no longer drawn into the shield to the same degree. As a result, once saturated, a substantially greater amount of the electromagnetic field may flow through or around the shield in the saturated region.Type: GrantFiled: September 23, 2011Date of Patent: October 13, 2015Assignee: Access Business Group International LLCInventors: David W. Baarman, William T. Stoner, Jr., Joshua K. Schwannecke, Kaitlyn J. Turner, Benjamin C. Moes
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Patent number: 9125465Abstract: A wallet is disclosed for holding a plurality of articles such as credit cards, currency, identification cards, and licenses. A housing of the wallet is formed of a semi-rigid material having at least a container portion and a base portion. The container portion and the base portion are selectively slidably connectable to form a void space sized and configured to hold the plurality of articles. The housing includes an opening or a slot configured to slidably remove single articles from within the housing. A retention spring is preferably disposed within the housing and configured to secure a plurality of articles to an internal surface.Type: GrantFiled: August 29, 2013Date of Patent: September 8, 2015Inventor: Daniel Vern Beckley
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Patent number: 9055798Abstract: Embodiments of the present disclosure generally relate to RFID-shielded articles and methods thereof. In one embodiment, a wallet is provided that may comprise an inner layer having a foldable portion; an outer layer comprising RFID shielding material adapted to block a radio signal, the outer layer comprising a foldable portion adapted to cooperate with the foldable portion of the inner layer, the outer layer attached to the inner layer; a pocket formed between the outer layer and the inner layer, the pocket having an opening adapted to receive currency; and a card holder disposed on the inner layer, the card holder adapted to receive a card comprising an RFID tag.Type: GrantFiled: January 31, 2013Date of Patent: June 16, 2015Assignee: TUMI, INC.Inventor: Paul V. Scicluna
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Patent number: 8853562Abstract: An electromagnetic shielding method includes the steps of disposing a flexible electromagnetic shielding film including a laminate of at least an insulating layer and a conductive metal layer to cover a portion to be electromagnetically shielded on a printed wiring board so that the insulating layer faces the printed wiring board, the conductive metal layer having a higher melting temperature than that of the insulating resin layer; and heating the electromagnetic shielding film to a temperature to melt and contract the insulating layer, thereby bonding the conductive metal layer to a grounding conductor of the printed wiring board and electrically connecting the conductive metal layer to the grounding conductor. The heating temperature is higher than the melting temperature of the insulating layer and lower than the melting temperature of the conductive metal layer.Type: GrantFiled: June 25, 2012Date of Patent: October 7, 2014Assignees: Sony Corporation, Sony Mobile Communications Inc.Inventors: Koichi Izawa, Yumi Ogura
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Publication number: 20140284094Abstract: An apparatus comprises an electrically conductive sheet material having a transparency. The sheet material being flexible to fold to form a pouch configured to enclose a portable computing device. The sheet material is configured to seal side edges of the pouch with edges of the sheet being in electrical engagement. A sealing member is configured to close an opening of the pouch to enclose the portable computing device within the pouch. The closure member is further configured to create an electrical engagement across the opening of the pouch in which the closed pouch structure mitigates electro-magnetic pulse damage and radio waves in general to the enclosed portable computing device, enables viewing of displays of the enclosed portable computing device, and enables manipulation of controls of the enclosed portable computing device while allowing access through wireless to the outside world.Type: ApplicationFiled: June 20, 2013Publication date: September 25, 2014Inventor: Joel Ho
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Publication number: 20140020946Abstract: An electromagnetically shielded enclosure that is portable and lightweight with a double perimeter entry seal. The electromagnetically shielded enclosure can be used for applications such as testing and security and can be scaled from a bench top unit to a large field deployed enclosure. The electromagnetically shielded enclosure has a novel entry seal that eliminates the electromagnetic leakage that is common around the entry areas of such enclosures. The entry seal of the electromagnetically shielded enclosure is made up of a door having a first perimeter closure material and a second perimeter closure material and an enclosure opening having a first perimeter closure and a second perimeter closure where the first perimeter closure material aligns with the first perimeter closure and the second perimeter closure material aligns with the second perimeter closure. This double perimeter entry seal provides for electromagnetic isolation within the electromagnetically shielded enclosure.Type: ApplicationFiled: December 12, 2012Publication date: January 23, 2014Applicant: SELECT FABRICATORS, INC.Inventor: Select Fabricators, Inc.
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Patent number: 8495815Abstract: An electromagnetic shielding method includes the steps of disposing a flexible electromagnetic shielding film including a laminate of at least an insulating layer and a conductive metal layer to cover a portion to be electromagnetically shielded on a printed wiring board so that the insulating layer faces the printed wiring board, the conductive metal layer having a higher melting temperature than that of the insulating resin layer; and heating the electromagnetic shielding film to a temperature to melt and contract the insulating layer, thereby bonding the conductive metal layer to a grounding conductor of the printed wiring board and electrically connecting the conductive metal layer to the grounding conductor. The heating temperature is higher than the melting temperature of the insulating layer and lower than the melting temperature of the conductive metal layer.Type: GrantFiled: May 14, 2010Date of Patent: July 30, 2013Assignee: Sony Mobile Communications, Inc.Inventors: Koichi Izawa, Yumi Ogura
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Patent number: 8330055Abstract: The present invention provides a magnetic composite capable of enhancing the effect of shielding against electromagnetic noise and the like (magnetic shielding effect) while inhibiting a possible eddy current, and a method for producing the magnetic composite, and a shielding structure comprising the magnetic composite. A shielding member 10 as a magnetic composite contains a resin 12 which is an insulator and serves as a matrix material and into which fine powders of an amorphous metal magnetic substance 10a containing Fe, Si, and B are mixed. In the shielding member 10, a plurality of the amorphous metal magnetic substances 10a are contained in the resin 12 at a volume fraction less than a percolation threshold. The type of the amorphous metal magnetic substance 10a is not particularly limited provided that the amorphous metal contains Fe, Si, and B.Type: GrantFiled: December 18, 2009Date of Patent: December 11, 2012Assignee: Empire Technology Development LLCInventors: Tomoaki Ueda, Masanori Abe
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Patent number: 8253036Abstract: The present invention discloses a joint structure between the wall elements of a light-weight magnetically shielded room. In the joint structure, the end of the aluminum plate of the element is stepped and its surface roughened. In addition to this, the aluminum plate is coated, for example, with tin to improve the electrical contact. The joint includes ? metal plates which are used to make a magnetic contact between the ? metal plates of the elements. The compression force achieved by means of bolts is transmitted to the joint by means of an aluminum moulding. The non-continuous compression force is balanced over the entire joint area by using presser rubbers. The joint structure is protected by means of supporting profiles which are used to electrically couple the thinner aluminum plate of the sandwich type wall element to the thinner aluminum plate of an adjacent element. The thinner aluminum plate and the supporting profile can also be coated, for example, with tin to improve the contact.Type: GrantFiled: September 8, 2005Date of Patent: August 28, 2012Assignee: Elekta AB (Publ)Inventors: Juha Simola, Petteri Laine, Heikki Rakkolainen
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Patent number: 8210481Abstract: There is provided a radiation shield device for providing radiation protection to an area, such as a spacecraft including, for example, a manned vehicle. The radiation shield device comprises a magnetic field generator, such as a solenoid, of superconductive material that provides a magnetic field around the area to shield the area from radiation. The solenoid preferably defines an axial length that is substantially smaller than a diameter of the solenoid. A thermal control system, comprising a limited amount of coolant or a refrigeration cycle, is included to control a temperature of the superconductive material during operation of the magnetic field generator. A magnetic shield device is also provided between the magnetic field generator and the area to be shielded from radiation to substantially shield the area from the magnetic field generated by the magnetic field generator.Type: GrantFiled: August 19, 2008Date of Patent: July 3, 2012Assignee: The Boeing CompanyInventor: Gary A. Kinstler
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Patent number: 7918335Abstract: An electromagnetic shielding carrying case comprising a substantially rigid first and second shielding member hingedly connected to one another and each having an inner and outer surface. Each shielding member comprises a card pocket assembly affixed to their respective inner surfaces into which a plurality of contactless smartcards or regular wallet-sized cards can be slidably inserted and removed. A paper currency pocket is disposed along the outer surfaces of first and second shielding members, and a releasable locking means keeps the first shielding member pivoted closed over top of the second shielding member so the case cannot accidentally open, and shields contactless smartcards contained inside the card pocket assemblies from being powered up by an RFID reader, while also preventing the cards from sliding out of the case.Type: GrantFiled: March 1, 2010Date of Patent: April 5, 2011Inventor: Michael Kitchen
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Publication number: 20110009274Abstract: Magnetic shields and magnetic shielding systems are described. The excessive spatial demands of known mu-metal/cryoperm and superconducting shielding systems are reduced by a new multi-piece shield construction approach. A complete magnetic shielding system for use with superconducting-based computing systems, such as superconducting quantum computing systems, is also described. This complete system may include mu-metal/cryoperm shields and superconducting shields using either compensatory magnetic fields, expulsion by temperature gradients, or a combination of the two.Type: ApplicationFiled: January 30, 2009Publication date: January 13, 2011Inventors: Sergey V. Uchaykin, Jacob Craig Petroff, Gordon Lamont
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Publication number: 20100276193Abstract: Disclosed is a magnetic shielding gasket, comprising a conductive foam substrate exhibiting resilience and recoverability and having a first surface, a magnetic layer attached to said first surface of the conductive foam substrate and wherein the magnetic layer exhibits magnetic permeability, wherein the initial magnetic permeability of the magnetic layer is greater than 1000 @ 0.1 A/m and the maximum magnetic permeability of the magnetic layer is greater than 5000 @ 0.1 A/m. Also disclosed is a method of filling a gap in an EMI shielded system.Type: ApplicationFiled: December 12, 2008Publication date: November 4, 2010Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventor: Wei De Liu
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Patent number: 7484691Abstract: There is provided a radiation shield device for providing radiation protection to an area, such as a manned vehicle. The radiation shield device comprises a magnetic field generator, such as a solenoid, of superconductive material that provides a magnetic field around the area to shield the area from radiation. The magnetic field generator preferably comprises at least one trapezoidal portion to provide substantially isotropic protection to the area. A thermal control system, comprising a limited amount of coolant or a refrigeration cycle, is included to control a temperature of the superconductive material during operation of the magnetic field generator. A magnetic shield device may also be provided between the magnetic field generator and the area to be shielded from radiation to substantially shield the area from the magnetic field generated by the magnetic field generator.Type: GrantFiled: June 30, 2005Date of Patent: February 3, 2009Assignee: The Boeing CompanyInventor: Gary A. Kinstler
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Patent number: 7464901Abstract: There is provided a radiation shield device for providing radiation protection to an area, such as a manned vehicle. The radiation shield device comprises a magnetic field generator, such as a solenoid, of superconductive material that provides a magnetic field around the area to shield the area from radiation. The solenoid preferably defines an axial length that is substantially smaller than a diameter of the solenoid. A thermal control system, comprising a limited amount of coolant or a refrigeration cycle, is included to control a temperature of the superconductive material during operation of the magnetic field generator. A magnetic shield device is also provided between the magnetic field generator and the area to be shielded from radiation to substantially shield the area from the magnetic field generated by the magnetic field generator.Type: GrantFiled: January 28, 2005Date of Patent: December 16, 2008Assignee: The Boeing CompanyInventor: Gary A. Kinstler
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Patent number: 7397111Abstract: An electronic component includes a semiconductor chip with a chip topside, an integrated circuit, and a chip backside. The chip backside includes a magnetic layer. The electronic component further includes a chip carrier with a magnetic layer on its carrier topside. At least one of the two magnetic layers is permanently magnetic such that the semiconductor chip is magnetically fixed on the chip carrier.Type: GrantFiled: December 1, 2005Date of Patent: July 8, 2008Assignee: Infineon Technologies, AGInventors: Simon Jerebic, Jens Pohl, Horst Theuss
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Patent number: 7256355Abstract: A spacer for use in a mobile device fills the space between a component assembly and a housing. The spacer includes a layer of compressible material for insertion between the component assembly and the housing. A plurality of compressible features are provided on a face of the layer. Upon insertion of the component assembly and assembly of the housing, the compressible features are compressed to fill a gap between the component assembly and the housing without over-compressing the main body of the spacer, allowing the body of the spacer to cushion any subsequent impact to the mobile device.Type: GrantFiled: July 14, 2004Date of Patent: August 14, 2007Assignee: Research In Motion LimitedInventors: Herrebertus Tempelman, Robert W. Phillips
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Patent number: 7170363Abstract: Microstructure materials which can be tuned to a particular range of r.f. frequencies to display particular magnetic permeabilities have been proposed. A typical material is made of an array of capacitive elements e.g. spirals or rolls of conducting material on a non-conducting substrate. These materials can be used as a guide which is effective for the particular band of frequencies to which it is tuned. In one example, the rolls (2a to 2c) guide magnetic flux along ducts (1, 2, 3) while rolls (4a, 5a) guide magnetic flux along ducts (4, 5). Flux can thus be guided upwardly along duct (2), along ducts (4 and 5), and down ducts (1, 3), or vice versa.Type: GrantFiled: March 6, 2001Date of Patent: January 30, 2007Assignee: Marconi UK Intellectual Property Ltd.Inventors: Michael Charles Keogh Wiltshire, Ian Robert Young
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Patent number: 7161090Abstract: A method for manufacturing an element for electromagnetic shielding. The method is characterized by the steps of arranging, along a curve corresponding to the extension of the completed element, a viscous material in the form of a bead, and orienting the particles in the material by applying a magnetic field across the bead. The material carries particles with substantial electrical conductivity and also ferromagnetic and/or ferrimagnetic properties. Also disclosed are a corresponding element for electromagnetic shielding, a device for electromagnetic shielding including such an element, use of such an element in a mobile phone and at a base station, and also a mobile phone and a base station including such an element.Type: GrantFiled: October 23, 2002Date of Patent: January 9, 2007Assignee: Nolato Silikonteknik ABInventors: Magnus Mattsson, Mikael Jacobsson
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Patent number: RE43519Abstract: A Behind The Ear, In The Ear, All in The Ear, In The Canal, or Completely In The Canal hearing aid which is made resistant to electromagnetic interference produced by cellular telephones in the 800 MHz to 100 GHz frequency range. The resultant hearing aid will allow hearing impaired people to take advantage of cellular telephones and other recently-developed personal communication devices while also using their hearing aids.Type: GrantFiled: April 8, 2005Date of Patent: July 17, 2012Assignee: Acacia Patent Acquisition CorporationInventors: Louis T. Gnecco, Paula S. Gnecco