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319results about "Screening rooms/chambers" patented technology
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System and method for providing certifiable electromagnetic pulse and rfi protection through mass-produced shielded containers and rooms
InactiveUS20070105445A1Light weightControlled heatingScreening rooms/chambersShielding materialsElectricitySCADA
Disclosed are a system and method for providing certifiable shielded cabinets and rooms, or pods, to protect devices, equipment and people from electromagnetic interference such as electromagnetic pulse, and directed energy attack. The method simulates the separate electric and magnetic shield requirements and capabilities of each type of materials, simulating them separately and together to form a combined set of materials layered for an enhanced electromagnetic shield that is lighter weight and less expensive. Further disclosed is a system and method for SCADA, RFID, and OID monitoring and controls to enable initial and ongoing testing and control.
Owner:INSTANT ACCESS NETWORKS
Radio frequency wave reducing material and methods for manufacturing same
ActiveUS20070107350A1Improve abilitiesReduce transmissionScreening rooms/chambersCeilingsUltrasound attenuationPhysical security
An improved radio frequency wave attenuating wall (ceiling or floor) or door material comprises a laminated structure having as an integral part thereof one or more layers of a viscoelastic material which also functions as a glue and one or more electrically conducting layers. An electrically conducting material such as tape or a formed metal channel provides an electrical connection between the electrically conducting material and an exposed outer surface of the laminated structure. In one embodiment the electrically conducting material is paint. In one embodiment , standard wallboard, typically gypsum, comprises the external surfaces of the laminated structure and one or more conductive layers are constructed between the gypsum exterior. In one embodiment, the conducting layer material is selected to provide physical security in addition to radio frequency wave attenuation. The construction is such that acoustical attenuation is also achieved.
Owner:PACIFIC COAST BUILDING PRODS
Shielding for mobile MR systems
ActiveUS20060186884A1Good magnetic field stabilityScreening rooms/chambersPermanent magnetsElectromagnetic shieldingRigid frame
A trailer for housing a mobile MRI system has magnetic shielding in the form of a plurality of sheets of magnetic material which are supported within the trailer, by a rigid supporting structure or frame. The layers are arranged in a stacked or laminar configuration with the laterally longest layer disposed inward of the remaining layers, such that the width of the gap between that layer and the exterior walls of the trailer at the lateral extremities of the shielding is greater than its width in a central area. The rigid frame maintains the gap and prevents contacting of the shielding and the trailer walls.
Owner:SIEMENS MEDICAL SOLUTIONS USA INC +1
System and method for filtering electromagnetic transmissions
ActiveUS20050134959A1Improve wireless network performanceEffective filteringScreening rooms/chambersMirrorsRadio frequencyElectromagnetic transmission
A combination of filters for filtering selected wavelengths of electromagnetic radiation is provided on a transparent substrate such as a plastic film or glazing of a window. The combination of filters prevents or attenuates the passage of wavelengths through the substrate into a building, where the passage of the wavelengths into the building could adversely affect people or machinery within the building. The combination of filters is useful improve wireless networks performance by blocking or attenuating undesired electromagnetic interference, and radio frequency interference.
Owner:EASTMAN PERFORMANCE FILMS LLC +1
Movable EMF shield, method for facilitating rapid imaging and treatment of patient
ActiveUS8993898B2Screening rooms/chambersElectrically conductive connectionsRapid imagingLeading edge
A radio frequency shield which reversibly transects an electromagnetic frequency enclosure is provided. The shield includes first a number of panels attached to a first surface of the enclosure. The panels are adapted to move through a first arc relative to the first surface. Shield also includes a first panel from the number of panels having a first leading edge capable of transecting the first arc. The shield further includes a second number of panels attached to a second surface of the enclosure. The second set of panels is adapted to move through an arc relative to the second surface of the enclosure. Also a second panel from said second set of panels has a second leading edge capable of transecting the second arc so as to oppose the first leading edge. Finally, the shield includes a means for reversibly attaching the first leading edge to the second leading edge while simultaneously establishing electrical communication between the first and second plurality of panels.
Owner:UCHICAGO ARGONNE LLC +1
Article including sheet-like electromagnetic shielding structure
InactiveUS20080283290A1Extensive and intensiveImpart electrical conductivityScreening rooms/chambersShielding materialsFiberConvex structure
The present invention relates to an article to which a characteristic of shielding electromagnetic waves is imparted, which comprises at least a sheet-like electromagnetic shielding structure, the sheet-like electromagnetic shielding structure comprising a thin layer-like substrate; and a fiber convex structure section having a characteristic of conducting or absorbing electromagnetic waves, in which the said fiber convex structure section is formed at least partially on the thin layer-like substrate in such a form that at least a part of a fiber thereof is positioned outward from the surface of the thin layer-like substrate. As the article including the sheet-like electromagnetic shielding structure, an electronic device, an electronic circuit board, garment, an architectural structure, a construction material, or a transport equipped with an engine is suitable.
Owner:NITTO DENKO CORP
Shielded enclosure with extendable mast
InactiveUS20070002547A1Screening rooms/chambersCollapsable antennas meansLightning strikeEngineering
Apparatus for housing electrically powered components to protect such components from damage and interference caused by lightning strikes and other externally generated magnetic fields. On embodiment includes a shielded enclosure mounted on an electrically groundable platform mounted on legs. An extendable and retractable mast is disclosed and may be supported on the platform and electrically grounded thereto. In another embodiment, the platform is portable and the shielded enclosures may be mounted to the electrically groundable platform by shock absorbers and be electrically grounded thereto. Adjustable outriggers may also be mounted to the platform.
Owner:PIONEER ENERGY PRODS
Shield material
InactiveUS20060251203A1Improve the immunityHigh densityElectrode and associated part arrangementsDischarge tube/lamp detailsPolyesterCarbon fibers
Disclosed is a fire-resistant lead-free shield material having high shielding ability against nuclear or electromagnetic radiation, and excellent bending workability and handling performance. The shield material comprises a composite material consisting of an organic material and a metal or metal compound having a nuclear or electromagnetic radiation-shielding ability. The composite material is formed into a given shape, such as a plate shape, and wrapped with a cloth-like sheet formed of glass fibers, metal fibers or carbon fibers. Alternatively, the shield material comprises a shielding element consisting of an elastic polymeric organic compound and a particle having a nuclear or electromagnetic radiation-shielding ability, such a heavy metal or ferrite. The shield material also includes either one of a film made of polyethylene, nylon, polyester or metal, a wire mesh formed of nylon fiber or metal fiber, and a plate- or rod-shaped member having a surface formed with a protrusion, which is compression-bonded onto or in the vicinity of a surface of the shielding element, or inside the shielding element.
Owner:NIPPON TUNGSTEN CORP
Wall element for magnetically shielded room and magnetically shielded room
ActiveUS20050162249A1Improve shielding effectGood effectScreening rooms/chambersMagnetsEngineeringElectrical resistivity and conductivity
The invention relates to a wall element for a magnetically shielded room and to a magnetically shielded room. The wall element comprises at least one first layer (1) which is formed of metal plate having a high electrical conductivity, and at least two layers, a second layer (2) and a third layer (3), which consist of metal plates having a high magnetic permeability. The layers (1, 2, 3) are superimposed one on top of another in surface contact with each other without any separating air gaps, so that each first layer (1) having a high electrical conductivity lies between each second (2) and third layers (3) having a high permeability substantially in surface contact with the second and third layers, the layers together forming a compact structure in which the product (σ×μ) of electrical conductivity (σ) and permeability (μ) is maximized so as to minimize the penetration depth of magnetic interference.
Owner:ELEKTA NEUROMAG
Electromagnetically shielded enclosure and entry seal
An electromagnetically shielded enclosure that is portable and lightweight that can be used for applications such as testing and security. 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 has an outer door with a perimeter magnetic material, an outer door magnetic closure that aligns with the outer door perimeter magnetic material, an inner door with a perimeter magnetic material, and an inner door magnetic closure that aligns with the inner door perimeter magnetic material.
Owner:SELECT FABTORS
Electromagnetic wave absorber
InactiveUS7804439B2High strengthImprove workabilityScreening rooms/chambersWaveguidesElectromagnetic wave absorberElectrical conductor
A thin, light and soft electromagnetic wave absorber is disclosed exhibiting an excellent workability. The first conductor element group of a first conductor element layer consists of aligned cross conductor elements and square conductor elements in regions surrounded by cross conductor elements. A radio wave incident from the first conductor element layer side is received by each element, internally subjected to multiple reflection and then absorbed by a first loss material layer. Since the first conductor element group is realized by the cross conductor elements and the square conductor elements, receiving effect is enhanced and the radio wave can be collected with a high collection efficiency.
Owner:NITTA CORP
Low impedance radiofrequency shielded window
A low impedance radiofrequency shielded window and radiofrequency shielded enclosure that includes the low impedance radiofrequency shielded window is disclosed. Radiofrequency shielded window layers make up the overall window where the layers are configured in parallel such that each window layer has a direct path to ground. By configuring the ground path of the window layers in parallel, overall reactance and hence resistance is reduced, thus increasing shielding effectiveness of the window.
Owner:RAMSEY JOHN GORDON
Radio frequency shielded and acoustically insulated enclosure
InactiveUS7246681B2Efficiently employedAbsorb noiseScreening rooms/chambersCeilingsCouplingMetal sheet
A radio frequency (“RF”) shielded and acoustically isolated enclosure that efficiently employs multiple layers of sound insulation and absorbs airborne noise and the noise provided by magnetic resonance imaging (“MRI”) equipment through the supports of such equipment. The RF enclosure uses multiple layers and types of insulating materials positioned to maximize the noise absorption of the RF enclosure. This reduces the cost and space required by the enclosure. In one embodiment the enclosure includes a ceiling, a floor and a plurality of walls. The ceiling and walls include one or more multiple layers of different insulating materials that either abut each other or form air gaps. In one embodiment the floor includes a heavy metal plate on which the MRI equipment sits. The plate elastically couples to a conductive shield. The elastic coupling attenuates certain frequencies above the natural frequency of the metal sheet.
Owner:IMEDCO
Wireless network shielding system and method
InactiveUS20070042819A1Avoid emissionsImproved wireless local area network performanceScreening rooms/chambersSubstation equipmentUltrasound attenuationElectromagnetic interference
An enhanced wireless network system including a visible-light transparent, transmission shielding component for application to or incorporation in windows to create a shielded wireless network operation area. The shielding component enhances network performance by substantially reducing extraneous electromagnetic interference and enhances network security by substantially containing electromagnetic transmissions to desired areas. The shielding component may comprise several alternating layers of metal, to substantially attenuate transmissions to varying degrees, including attenuation of 20 to 50 db in the 1 MHz to 100 GHz range and beyond, while simultaneously permitting substantial transmission of visible light (such as 15-55%).
Owner:ASTIC SIGNALS DEFENSES LLC +1
Radiation shielding panel construction system and panels therefore
A construction system for shielding a room includes a plurality of inter-fitting panels (100, 100′) adapted for mounting to structural surfaces (10, 12, 14, 16) of a room. Each of the panels has at least two layers (120, 130) of lead that are offset one with respect to the other in two directions to define a recessed lip (102, 104) on two adjacent sides of the panel and an overhanging lip (106, 108) on the remaining two sides of the panel.
Owner:RBC SHIELD
Optimizing in-building wireless signal propagation while ensuring data network security
InactiveUS20090008146A1Screening rooms/chambersNetwork topologiesWireless routerUltrasound attenuation
A shield capable of attenuating wireless signals on demand has been created using a conductive member, such as a metal mesh or perforated metal sheet, which is either coupled to ground or subjected to an electron flow. A metal enshrouded signal isolation chamber was built and a wireless router was placed inside it. With the top of the chamber open, a plurality of conductive assemblies were evaluated by placing each conductive assembly on top of the open chamber, one at a time, and measuring the resulting signal attenuation.
Owner:ARMSTRONG WORLD INDUSTRIES
Radio wave absorbing panel
InactiveUS20010005184A1Made tallerImprove absorption rateScreening rooms/chambersAntennasEngineeringRadio wave
Owner:YAGI ANTENNA +3
Shielded cable entry ports and assemblies
ActiveUS20060021784A1Reduce the amount of noiseScreening rooms/chambersRack/frame constructionShielded cablePower cable
Various cable entry port assemblies are disclosed. One embodiment includes a single boot assembly for supporting one power cable. Another embodiment includes two or more boot assemblies supported along a horizontal axis. Other embodiments include at least two boot assemblies supported along a vertically extending axis to form a column of boot assemblies. Another embodiment includes at least one column of boot assemblies and at least one row of boot assemblies. Methods for reducing an amount of interference traveling on a cable from one component located outside of a structure to another component located within the structure are also disclosed.
Owner:PIONEER ENERGY PRODS
Electromagnetic Wave Absorber
InactiveUS20080084259A1Improve absorption efficiencyHigh strengthScreening rooms/chambersWaveguidesComputational physicsRadio wave
A thin, light and soft electromagnetic wave absorber is disclosed exhibiting an excellent workability. The first conductor element group of a first conductor element layer consists of aligned cross conductor elements and square conductor elements in regions surrounded by cross conductor elements. A radio wave incident from the first conductor element layer side is received by each element, internally subjected to multiple reflection and then absorbed by a first loss material layer. Since the first conductor element group is realized by the cross conductor elements and the square conductor elements, receiving effect is enhanced and the radio wave can be collected with a high collection efficiency.
Owner:NITTA CORP
Radio frequency shielded and acoustically insulated door
InactiveUS7117640B2Better acoustic insulationImprove insulation performanceScreening rooms/chambersRadiation protectionRadio frequency
A door for a RF shielded and acoustically insulated room. The door includes a door panel and door frame adapted to electrically and pivotally contact the door panel. The door panel includes a noise absorbing material and a noise insulating gap disposed between outer sections of the door panel. The door frame includes a noise absorbing material and a perforated region adjacent to the noise absorbing material. The perforated region includes a number of apertures spaced apart at varying distances along the door frame.
Owner:IMEDCO
Radio wave absorbing panel
InactiveUS6504501B2Made tallerImprove absorption rateScreening rooms/chambersAntennasRadio waveElectrically conductive
Owner:YAGI ANTENNA +3
Joint Structure Between the Wall Elements of a Magnetically Shielded Room
ActiveUS20080050172A1Good electrical contactReduce weakening effectScreening rooms/chambersYielding couplingElectricityEntire joint
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 μ metal plates which are used to make a magnetic contact between the μ 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.
Owner:MEGIN OY +1
Systems and methods for passively shielding a magnetic field
ActiveUS20070057754A1Reduced strengthScreening rooms/chambersMagnetic measurementsEngineeringHomogeneous magnetic field
A passive magnetic field shielding system for shielding a fringe magnetic field is described. The passive magnetic field shielding system includes a magnet configured to generate a uniform magnetic field, an imaging system with associated electronics coupled to the magnet, and a passive shield configured to reduce the strength of the fringing magnetic field to approximately five Gauss at a distance from the passive shield.
Owner:GENERAL ELECTRIC CO
Ada compliant RF shielded door systems and related methods
InactiveUS20100096180A1Minimizing radio-frequency leakageScreening rooms/chambersEngine sealsUltrasound attenuationConductive materials
Radio-frequency (RF) leakage from shielded enclosures is minimized while ensuring applicable RF attenuation standards and access requirements of the Americans with Disabilities Act (ADA) by attaching an inflatable bladder to a door of an enclosure. Substantially surrounding the bladder is an electrically conductive material. When the bladder is inflated it makes contact with conductive material which in turn makes conductive contact with the door frame to create an RF seal. The use of the bladder and conductive material provides an improved RF seal and allows for the use of a low-profile threshold that permits ADA access to, and from, the enclosure.
Owner:PROJECT DEVERS
Electricity storage unit
ActiveUS20170341607A1Suppression of noise effectsScreening rooms/chambersBatteries circuit arrangementsElectricityEngineering
The present invention provides an electricity storage unit in which the influence of noise from a circuit portion can be suppressed, and the circuit portion and a power storage element can be consolidated. The electricity storage unit includes a circuit portion on which an electronic component is mounted, power storage elements, and a holding member that holds the power storage elements. The holding member includes an electrically conductive shield wall portion between the circuit portion and the power storage elements, and the shield wall portion shields noise generated by the circuit portion. The electricity storage unit may further have an electrically conductive heat dissipation member that dissipates heat from the circuit portion.
Owner:AUTONETWORKS TECH LTD +2
Article including sheet-like electromagnetic shielding structure
InactiveCN101065009AEx situ and cheap preparationScreening rooms/chambersShielding materialsConvex structureFiber
Owner:NITTO DENKO CORP
Smart meter protection system and methods
InactiveUS20120287596A1Reduce radiation intensityMaximize the benefitsScreening rooms/chambersTariff metering apparatusEngineeringSmart meter
A smart meter protection system for decreasing intensity of radiation going into one's home from a smart meter associated with the building structure includes a redirection mechanism operably associable with the smart meter to partially enclose a smart meter so as to redirect radiation emitted from the smart meter away from the interior of the building structure.
Owner:EMF SAFETY
Electromagnetic-wave-shielding light-transmitting window member and method for producing the same
InactiveUS20070036888A1Eliminate the problemReduce the amount of mixingScreening rooms/chambersElectric discharge tubesMetallurgyUltraviolet lights
Owner:BRIDGESTONE CORP
Electromagnetic shielding
ActiveUS7576289B2Reduced dampingReduce conductivityScreening rooms/chambersConductor screwing into otherElectromagnetic shieldingEngineering
Owner:KESSEL WOLFGANG
Frequency-selective shield structure and electric device having the structure
ActiveUS7095627B2Screening rooms/chambersDigital data processing detailsElectrical conductorEngineering
A shield structure that transmits a radio wave in a specific frequency band and that exhibits a high shield characteristic in other bands. An opening portion having a specific shape and a specific perimeter length is formed on a conductor. A filter having a specific shape and a specific size is connected to the opening portion.
Owner:MAXELL HLDG LTD
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