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464results about "Localised screening" patented technology
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EMI absorbing shielding for a printed circuit board
InactiveUS20050045358A1High resistivityHeat dissipationMultiple-port networksLocalised screeningEngineeringPrinted circuit board
Owner:WAVEZERO +1
Selectively controllable electromagnetic shielding
ActiveUS20120112552A1High strengthImprove permeabilityLocalised screeningNear-field transmissionEngineeringMagnetic shield
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.
Owner:PHILIPS IP VENTURES BV
Camera unit and sensing device
ActiveUS20110025850A1High resistance to electrostatic dischargeImprove shielding effectTelevision system detailsLocalised screeningElectrical conductorSignal processing
Owner:RICOH KK
Method for shielding an electronic component
Owner:PPG IND OHIO INC
Conforming shielded form for electronic component assemblies and methods for making and using same
The present invention is directed to electronic components shielded from electromagnetic interference through the use of conforming shield enclosures. Conforming shield enclosures are flexible metalized thermoformed thin-wall polycarbonate polymer film substrates used to shield a radiation source. The present invention relates to conforming shielded forms for electronic component assemblies and specifically to electronic component assemblies which are shielded to protect against electromagnetic and radiofrequency interference. Specifically, the shielded electronic component assembly comprises (a) a semiconductor device to be shielded from electromagnetic frequencies; (b) a reference potential source; (c) a housing enclosing the semiconductor device within the assembly; and (d) a conforming shield enclosure electrically connected to the reference potential source. The conforming shield enclosure comprises a flexible, metalized thermoformable polymer having dimensions conforming to the inside of the housing and enclosing and thereby shielding the semiconductor device from electromagnetic frequencies. The conforming shield enclosure is prepared by paint metalization.
Owner:PPG IND OHIO INC
Electromagnetic interference shielding for a printed circuit board
ActiveUS7443693B2Reduce the amount requiredEmission reductionPrinted circuit assemblingLocalised screeningElectromagnetic interferenceEngineering
The present invention provides shielded printed circuit boards and electronic devices. The printed circuit board may comprise an internal network of grounded conductive elements that are coupleable to an EMI shield that is mounted on the printed circuit board. The network of grounded conductive elements are coupleable to a grounded layer and to the EMI shield and provides improved EMI shielding through the volume of the printed circuit board below an electronic component mounted on the printed circuit board.
Owner:DEEP COAT +1
Electric vehicle
ActiveUS20090242299A1Simple and easy mannerLocalised screeningElectric propulsion mountingEngineeringElectric vehicle
A battery unit is provided under a floor panel. The battery unit is arranged between a pair of right and left side members. The battery unit is provided with a battery case. The battery case includes a tray member and cover member. Electric components are contained in the battery case. Beam members made of metal are attached to the tray member. Both end portions of these beam members are supported by the side members. The tray member includes a resin and insert members made of metal provided inside the resin. The insert members include metal plates arranged on the front side and rear side of the electric components.
Owner:MITSUBISHI MOTORS CORP
Electric vehicle
ActiveUS8079435B2Simple and easy mannerLocalised screeningElectric propulsion mountingEngineeringElectric vehicle
A battery unit is provided under a floor panel. The battery unit is arranged between a pair of right and left side members. The battery unit is provided with a battery case. The battery case includes a tray member and cover member. Electric components are contained in the battery case. Beam members made of metal are attached to the tray member. Both end portions of these beam members are supported by the side members. The tray member includes a resin and insert members made of metal provided inside the resin. The insert members include metal plates arranged on the front side and rear side of the electric components.
Owner:MITSUBISHI MOTORS CORP
EMI absorbing shielding for a printed circuit board
Owner:WAVEZERO +1
Wireless battery charging apparatus mounted in a vehcle designed to reduce electromagnetic interference
ActiveUS20130038279A1Reduce electromagnetic interferenceReducing and preventing electromagnetic interferenceLocalised screeningBatteries circuit arrangementsBattery chargeElectromagnetic interference
A vehicle is provided having a wireless battery charger that is mounted within the vehicle, and an electrostatic shield for reducing electromagnetic interference radiated by the wireless battery charger.
Owner:GM GLOBAL TECH OPERATIONS LLC
Wireless battery charging apparatus mounted in a vehicle designed to reduce electromagnetic interference
ActiveUS9018904B2Reducing and preventing electromagnetic interferenceReduce electromagnetic interferenceLocalised screeningBatteries circuit arrangementsBattery chargeElectromagnetic interference
Owner:GM GLOBAL TECH OPERATIONS LLC
Cnt-based signature control material
ActiveUS20100271253A1Reduces radar reflectanceConsume energyLocalised screeningShielding materialsFiberRadar reflectivity
A radar absorbing composite includes a (CNT)-infused fiber material disposed in at least a portion of a matrix material. The composite absorbs radar in a frequency range from about 0.10 Megahertz to about 60 Gigahertz. The CNT-infused fiber material forms a first layer that reduces radar reflectance and a second layer that dissipates the energy of the radar. A method of manufacturing this composite includes disposing a CNT-infused fiber material in a portion of a matrix material with a controlled orientation of the CNT-infused fiber material within the matrix material, and curing the matrix material. The composite can be formed into a panel which is adaptable as a structural component of a transport vessel or missile for use in stealth applications.
Owner:APPL NANOSTRUCTURED SOLUTIONS LLC
Cnt-infused EMI shielding composite and coating
A composite for use in electromagnetic interference (EMI) shielding applications includes a carbon nanotube(CNT)-infused fiber material disposed in at least a portion of a matrix material. The composite is capable of absorbing or reflecting EM radiation, or combinations thereof in a frequency range from between about 0.01 MHz to about 18 GHz. The electromagnetic interference (EMI) shielding effectiveness (SE), is in a range from between about 40 decibels (dB) to about 130 dB. A method of manufacturing the composite includes disposing a CNT-infused fiber material in a portion of a matrix material with a controlled orientation of the CNT-infused fiber material within the matrix material, and curing the matrix material. A panel includes the composite and is adaptable to interface with a device for use in EMI shielding applications. The panel is further equipped with an electrical ground.
Owner:APPL NANOSTRUCTURED SOLUTIONS LLC
Board level shielding module
An apparatus for providing board level shielding of Electromagnetic Interference in a printed circuit board is disclosed. The apparatus includes a plastic part, a metal conformal coating and a form-in-place Electromagnetic Interference gasket. The plastic part is configured in one or more compartments to provide an enclosure, and is attached to the printed circuit board. The metal conformal coating is applied continuously to one or more surfaces of the plastic part. The form-in-place Electromagnetic Interference gasket is applied on top of the metal conformal coating in an area of a part flange.
Owner:PARKER INTANGIBLES LLC +1
Methods and devices for connecting and grounding an EMI shield to a printed circuit board
ActiveUS7259969B2Easy to disassembleLocalised screeningTwo-part coupling devicesPrinted circuit boardFlange
The present invention provides electronic devices, kits, and connector assemblies for coupling an EMI shield to a ground trace. In one embodiment, the present invention provides an electronic device comprising a printed circuit board and an EMI shield that has a flange around at least a portion of a perimeter of the EMI shield. One or more connectors coupled to the flange removably contact the flange to a ground trace of the printed circuit board.
Owner:WAVEZERO +1
Magnetic stand for tablet device
ActiveUS20130050973A1Increasing magnetic interactionEnhanced interactionLocalised screeningDigital data processing detailsEngineeringUltimate tensile strength
A magnetic stand for a tablet device is disclosed. The magnetic stand is configured to rigidly hold a portion of the tablet device in place and to shield the magnetic field from adversely affecting nearby devices susceptible to strong magnetic fields. The shielding portion of the magnetic stand allows for significant increases in magnetic field strength when compared to similarly configured, unshielded products.
Owner:APPLE INC
Single module electric power conversion apparatus
InactiveUS6888729B2Reduce weightImprove reliabilityLocalised screeningElectric motor controlPower semiconductor deviceMiniaturization
To perform a miniaturization and weight reduction of an electric power conversion apparatus, and in extension, the miniaturization of an inverter apparatus itself. In the inverter apparatus which converts a DC voltage into an AC voltage, a semiconductor device for electric power conversion, and a drive and protection circuit which drives and protects this semiconductor device for electric power conversion, and a power supply circuit which supplies power to this drive and protection circuit are integrated in the same module.
Owner:MITSUBISHI ELECTRIC CORP
Integrated inverted F antenna and shield can
InactiveUS6850196B2Small sizeEasy to assembleLocalised screeningAntenna supports/mountingsEngineeringGround plane
An inverted F antenna with integrated shield is constructed from an electrically conducting sheet that is folded into a shape that provides both a shield can covers an RF module of circuit and an inverted F antenna such that shield can functions also as a ground plane for the antenna. In a pre-folded state the sheet has a shield can portion and a radiating element portion that are connected to each other by a ground feed line that bridges the shield can portion and radiating element portion. The shield can portion preferably includes a plurality of walls that are foldable along respective folds. The radiating element portion preferably includes a plurality of edges and a signal feed line extending from a first one of the plurality of edges. The ground feed line extends from a second one of said plurality of edges. When the sheet is folded, the radiating element portion is suspended over the shield can portion and is substantially fixed with respect to the shield can portion by the ground feed line and the signal feed line.
Owner:VTECH TELECOMM
EMI shielding apparatus
An EMI and RFI shield mounting system (24) includes a compartmented EMI shield (21) constructed of a vacuum metallized thermoform (22) having upright hollow walls separating and surrounding the compartments (13). The shield (21) conforms to the interior of a housing (20) for electronic equipment (30), with the upright walls (29) overlying ridges formed in the interior of the housing (20). A compressible gasket (25) is placed between the ridges of the housing and the inner reaches of the hollow walls (31) of the shield (21). The free sides of the walls (29) of the shield (21) may be abutted against ground traces (46) on a printed circuit board (32) on which the shield (21) and housing (20) are placed. The gasket (25) urges the metallized free edges of the walls (20) of the shield (21) against the ground trace (46) of the printed circuit board to provide electrical conductivity between the printed circuit board and the shield (21). Dimples (60), tabs (52) or protruding punctures may be formed in the free sides of the walls (29) to ensure conductive contact with the ground trace (46).
Owner:电子设备屏蔽公司
Electromagnetic shield structure of electronics housing
ActiveUS8149594B2Low costEngagement/disengagement of coupling partsLocalised screeningElectricityElectromagnetic shielding
An electromagnetic shield structure of an electronics housing includes a terminal having a protrusion for external connection; a substrate having the terminal disposed thereon and electrically connected to the terminal; a housing made of resin, enclosing the substrate and having an opening at a position corresponding to the protrusion of the terminal on a front surface side where the protrusion of the terminal is located; and an electromagnetic shield disposed so as to surround the substrate inside the housing, having an opening at the position corresponding to the protrusion of the terminal, and electromagnetically shielding the substrate. The electromagnetic shield has a bent portion formed on the front surface side for filling a gap between the terminal and the housing.
Owner:SANYO ELECTRIC CO LTD
Screening device for electronic subassemblies on a printed circuit board
InactiveUS6979773B2Improve screening efficiencyLess effortLocalised screeningScreening gaskets/sealsElectricityEngineering
The invention relates to a screening device comprising: a screening cover, which covers an electronic circuit located on a printed circuit board and comprises an edge that is separated from the component side of the printed circuit board by a gap and a contact device, which is located in the gap and produces an electric connection between the screening cover and a conductive contour element on the printed circuit board. According to the invention, lugs are formed on the edge of the screening cover, said lugs fixing the screening cover on the printed circuit board and maintaining an elastic pretension on the contact device. The contact device is configured as an elastic sealing body that extends continuously through the gap and absorbs electromagnetic waves.
Owner:UNIFY GMBH & CO KG
Shielding cage assembly adapted for dense transceiver modules
ActiveUS6972968B2Improve ventilationLocalised screeningRack/frame constructionTransceiverEngineering
A transceiver module assembly includes a printed circuit board (4), a plurality of transceiver modules, a plurality of electrical connectors (6) adapted to connect between the plurality of transceiver modules and the printed circuit board, and a shielding cage assembly (10) which is mounted to the printed circuit board for receiving the transceiver modules and the electrical connectors therein. The shielding cage assembly includes at least one shielding cage (21, 22), a spacer (3), and a hanger (1). The at least one shielding cage and the spacer are mechanically retained in the hanger, and the spacer mechanically engages with the shielding cage for good air ventilation.
Owner:GOOGLE LLC
Combination metal and plastic EMI shield
InactiveUS7326862B2Cheap constructionThin profileLocalised screeningClamped/spring connectionsThin metalBiomedical engineering
An EMI shield having at least one compartment for enclosing circuitry of an electronic device. The shield includes a first member formed of a thin metal sheet, and a second member formed of an electrically-conductive composite material comprising an admixture of a plastic or other polymeric component and an electrically-conductive particulate filler component. The second member is integrally joined to the first member, and has at least one wall which extends from the first member and which together with the first member defines at least a portion of the compartment.
Owner:PARKER INTANGIBLES LLC
High frequency module using metal-wall and method of manufacturing the same
InactiveUS20070246825A1Good effectAvoid interferenceLocalised screeningSemiconductor/solid-state device detailsSurface mountingMetal
A high frequency module and a manufacturing method thereof In the module, a substrate has a ground. A plurality of surface mounted devices are mounted on the substrate. A metal wall is connected to the ground of the substrate. A resin molding hermetically seals the surface mounted devices and the metal wall, the resin molding formed to expose a top surface of the metal wall. Also, a metal film is formed on the resin molding to contact the top surface of the exposed metal wall.
Owner:SAMSUNG ELECTRO MECHANICS CO LTD
Probe for implantable electro-stimulation device
The invention relates to a probe for an implantable electro-stimulation device. The probe (20) has a distal end (12) and a proximal end (13), and moreover comprises: one or more electrodes (11) a shield (21) of conducting material covering a major part of the probe, said shield extending from the vicinity of at least one of the one or more electrodes (11) towards the proximal end (13) or towards the distal end (12) of the probe (20); and a layer (22a, 22b) of insulating material covering part of the shield (21) in the vicinity of the at least one of the one or more electrodes. The shield protects wires (14), extending from electrodes to the proximal end of the probe, from undesired interference of external RF fields. The exposed part of the shield not covered by the layer of insulating material serves as a return electrode for the electrostimulation signal path.
Owner:MEDTRONIC BAKKEN RES CENT
Board-level EMI shield with enhanced thermal dissipation
InactiveCN1659942ALocalised screeningSemiconductor/solid-state device detailsElectromagnetic interferenceEngineering
A substrate having at least one electrical component disposed thereon; a plurality of discrete electrically conductive fastening units disposed in a pattern on the substrate surrounding the at least one electrical component; a board-level electromagnetic interference (EMI) shield comprising an electrically conductive layer; a plurality of apertures formed in the board-level EMI shield such that the apertures correspond to the pattern of the electrically conductive fastening units; with at least one thermally conductive interface (TCI) material disposed over the at least one electrical component; and wherein the electrically conductive layer of the board-level EMI shield is in electrical contact with at least one electrically conductive fastening unit.
Owner:WL GORE & ASSOC INC
Electronic device with electromagnetic shielding member
ActiveUS20180131087A1Easy disposalDegree of improvementLocalised screeningAntenna supports/mountingsElectrical conductorEngineering
An electronic device is provided. The electronic device includes a housing including a radiating conductor forming a portion of a side wall thereof, an electronic component disposed adjacent to the radiating conductor, a circuit board including an integrated circuit (IC) chip, and a shielding member attached to the circuit board and surrounding the IC chip.
Owner:SAMSUNG ELECTRONICS CO LTD
Magnetic stand for tablet device
ActiveUS8824166B2Enhanced interactionPrevents a magnetic fieldLocalised screeningDigital data processing detailsEngineeringMagnetic field
A magnetic stand for a tablet device is disclosed. The magnetic stand is configured to rigidly hold a portion of the tablet device in place and to shield the magnetic field from adversely affecting nearby devices susceptible to strong magnetic fields. The shielding portion of the magnetic stand allows for significant increases in magnetic field strength when compared to similarly configured, unshielded products.
Owner:APPLE INC
Methods of manufacturing a printed circuit board shielded against interfering radiation
InactiveUS7089646B2Easy to assembleIncrease conductancePrinted circuit assemblingLocalised screeningEngineeringElectronic component
Methods for the production of a board (11) with printed circuit (12) shielded against interfering radiation and having electronic components (14) comprise the steps of positioning of the electronic components (14) on contact points (15) designed for them, and the application of a shield (20), comprising a preformed metallized plastic film (30) over the top of the electronic components (14) and in electrical contact with the earth (13) on the board (11) with printed circuit (12), and also fixing the electronic components (14) on the board (11) with printed circuit (12) by means of an electrically conducting fixing agent (16); and fixing of the shield (20) on the board (11) with printed circuit (12).
Owner:STORK BRADANT BV
Selective shielding for portable heating applications
InactiveUS20140292101A1Stray electromagnetic field linesReduce impactLocalised screeningIroning boardsElectromagnetic shieldingEngineering
A wireless power supply and a portable heating device are provided. The wireless power supply includes an electromagnetic shield and the portable heating device includes a magnetic field source. Placement of the magnetic field source proximate the electromagnetic shield can create a local flux window in the electromagnetic shield. The transfer of electromagnetic flux through the local flux window energizes the portable heating device at various locations along the wireless power supply. The effectiveness of the electromagnetic shield is generally maintained away from the flux window, and the electromagnetic shield reduces stray flux that might otherwise damage nearby objects and / or reduce the efficiency of the wireless power supply.
Owner:ACCESS BUSINESS GRP INT LLC
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