44results about "Screening apparatus" patented technology

The present invention aims to provide an electromagnetic wave-absorbing composition comprising a thermoplastic resin or a thermoplastic elastomer, exhibiting electromagnetic wave absorption performance, and suppressing an increase in fluidity when heated. The composition of the present invention comprises a component (A) that is at least one selected from a thermoplastic resin and a thermoplastic elastomer and a component (B) that is a Fe-Cr-Si-based soft-magnetic metal powder at a mass ratio (component (A) / component (B)) in a range of 5 / 95 to 80 / 20, further comprises a component (C) that is at least one selected from a phosphite-based compound and a phosphate-based compound in an amount of 0.02 to 1.4 parts by mass relative to 100 parts by mass in total of the component (A) and the component (B), and has an electromagnetic wave absorption energy P at 79 GHz of 5 kW / m3 or more.

The utility model discloses a low-radiation infrared touch screen which comprises a panel, a main board, a front frame, a rear cover and a fixing frame, an installation cavity is formed between the front frame and the rear cover after the front frame and the rear cover are buckled, the panel and the fixing frame are installed in the installation cavity, the main board is installed on the fixing frame and connected with the panel through electric signals, and the low-radiation infrared touch screen further comprises an anti-radiation cover arranged outside the main board in a covering mode. The anti-radiation cover is fixedly connected with the fixing frame; conductive gauze is arranged on the inner wall of the front frame and the inner wall of the rear cover, and the anti-radiation cover and the conductive gauze are grounded through wires. According to the low-radiation infrared touch screen provided by the utility model, the radiation-proof cover is covered outside the main board, the conductive gauze is arranged on the inner wall of the front frame and the inner wall of the rear cover, and the radiation-proof cover and the conductive gauze are grounded through wires, so that outward electromagnetic radiation of the main board and an internal circuit is inhibited, and the shielding effect on the electromagnetic radiation is greatly enhanced; therefore, the electromagnetic radiation of the infrared touch screen is further reduced.

The present disclosure relates to reducing migration of materials from thermal management and / or electromagnetic interference (EMI) mitigation materials (e.g., thermal interface materials (TIMs), EMI absorbers, thermally conductive EMI absorbers, conductive elastomers (ECEs), conductive composites, combinations thereof, etc.) and other polymer-inorganic composites for other purposes. In an exemplary embodiment, a method includes adding halloysite and / or hollow nano-tubular inorganic structures and / or tubular inorganic nanomaterials to the composite in an amount sufficient to reduce migration of the material from the composite. Also disclosed are exemplary embodiments of the composite comprising halloysite and / or hollow nanotube inorganic structures and / or tubular inorganic nanomaterials in an amount sufficient to reduce migration of the material from the composite.

Methods and systems for protecting a quantum state of a client quantum system of a broker-client system are disclosed. The client-broker system comprises the client quantum system and a broker quantum system coupled by a hyperfine interaction. The method comprises suppressing the hyperfine interaction by applying an electromagnetic dressing field to the client-broker system in the presence of a first magnetic field. The electromagnetic dressing field comprises a second magnetic field that oscillates in a direction perpendicular to the first magnetic field. While the hyperfine interaction is suppressed, a quantum state of the broker quantum system may be altered by steps including optically exciting the broker quantum system. The method may be applied to reduce decoherence of the quantum state of the client quantum system while resetting a quantum state of the broker quantum system.

Systems and methods of generating and processing one-time pads (OTPs) for use in secure communication are provided. The systems comprise a processor and a memory storing instructions which when executed by the processor configure the processor to perform the methods. One method comprises generating a set of OTPs, seeding an Internet of Things (IoT) device with the OTPs, and securely providing a copy of the OTPs to a receiving server that will receive communications from the IoT device encrypted with the OTPs. Another method comprises generating a payload for a message packet, determining a hash of the payload, encrypting the hash and the payload using one of a set of OTPs stored in a memory of the IoT device, inserting before the payload an identifier associated with the one of the OTPs and the hash of the payload, and transmitting the message packet to the receiving server.

The electromagnetic shielding resin composition includes: 5 to 40 parts by weight of a carbon-based filler, 10 to 30 parts by weight of a non-halogenated flame retardant, and 0.1 to 5 parts by weight of an anti-blooming agent based on 100 parts by weight of a polyamide resin.

An enclosure for shielding electromagnetic interference (EMI). The enclosure includes an EMI shielding housing having a plurality of walls and at least one open end, wherein the walls define an internal cavity and wherein an inner surface of at least one wall includes an electrically conductive edge section located at the open end. The enclosure also includes an end cap that is removably attached to the open end, an electrically conductive foil element having a wiper contact and a resilient and electrically conductive EMI gasket located between the end cap and the foil element. The wiper contact and EMI gasket are folded such that the wiper contact is located between the EMI gasket and the edge section wherein the wiper contact makes electrical contact with the edge section and the EMI gasket is biased to push the wiper contact toward the edge section to maintain electrical contact.

An example of an apparatus to connect a power distribution network with a mobile utility-scale energy storage unit is provided. The apparatus includes an enclosure to protect an interior space from weather elements. The apparatus further includes an interface device disposed within the enclosure. In addition, the apparatus includes a bellows extending from the enclosure and bellows connector to mate with a complimentary connector on a wall of an energy storage unit to form a weatherproof seal. The apparatus also includes a cable extending from the interface device through the bellows to connect the interface device to the energy storage unit to transfer energy between the power distribution network and the energy storage unit.

The invention relates to the field of fabricated buildings. The invention aims to provide an anti-seismic connecting structure of an assembly type anti-radiation shielding building body. The anti-seismic connecting structure comprises a rectangular base laid in a foundation pit and an assembly building body arranged on the base. The assembly building main body comprises a main body frame and an assembly shielding plate; the main body frame comprises stand columns, a bottom beam and a top beam, and the stand columns are arranged at the four corners of the base and connected with the base through anti-seismic buffer seats; the anti-seismic buffer seat comprises a connecting square table fixedly arranged on the top face of the corner of the base, a square column cavity is formed in the lower end of the stand column, and the stand column is arranged outside the connecting square table in a sleeving mode through the column cavity. The anti-seismic shielding room can effectively buffer the shearing effect of seismic shock waves on a building, and the anti-seismic performance of the shielding room is guaranteed.

To provide a sensor device that can reduce influences of noise.SOLUTION: A state monitoring sensor 1 includes a sensor part 10 and a cable part 40. The sensor part 10 includes: a thermoelectric element provided on substrates 11 and 12; a first wiring layer 21 provided on one surface of the substrates 11 and 12; and a second wiring layer 22 provided on the other surface of the substrates 11 and 12, and is sealed in an elastic part. The cable part 40 includes signal lines 41 and 42 and a shielding wire 45. At least one of the first wiring layer 21 and the second wiring layer 22 is provided with sensor terminals 211 and 221 connected to the signal line 41 and a ground terminal 213 connected to the shielding wire 45. The ground terminal 213 is connected via a connection part 214 to a cover part 215 that covers an element formation region in which the thermoelectric element is provided.SELECTED DRAWING: Figure 1

To provide an intrinsic safety explosion proof level gage which can be simplified in design.SOLUTION: An intrinsic safety explosion proof level gage 100 includes a level gage body 1 and a power supply path 5 so as to measure a level of a stored object L stored in a container V. The level gage body 1 has a transmission circuit 2, a reception circuit 3, a level determination section 4, an operation switch 21, and a display section 20. The transmission circuit 2 transmits a measurement signal S. The reception circuit 3 receives the measurement signal S reflected by the stored object L. The level determination section 4 determines the level on the basis of the measurement signal S received by the reception circuit 3 and information on the container V. The operation switch 21 receives an input operation of set information. The display section 20 displays the determined level. The power supply path 5 supplies power to the level gage body 1. The power supply path 5 has an intrinsic safety explosion proof barrier 6 for preventing the level gage body 1 from becoming an ignition source and a proof pressure explosion proof box 7 for storing the intrinsic safety explosion proof barrier 6.SELECTED DRAWING: Figure 1

Electronic component (1) with a component housing (2) and an integrated circuit (5) with sensor function, which is accommodated in an electronics housing (4) made of plastic, wherein the component housing (2) has a recess (3) in the region of the integrated circuit (5) with sensor function, so that the integrated circuit (5) can perform its function as a sensor through the recess (3), wherein the component housing (2) rests against the edge of the recess (3) on the electronics housing (4) and is sealingly connected to the electronics housing (4) by an adhesive connection, and wherein the component housing (2) has a first vertical section (9) at the edge (7) of the recess (3) which extends along the side of the electronics housing (4) and a second horizontal section (10) which projects beyond the electronics housing (4), characterized by that a projection (11) is formed in the component housing (2) at the edge (7) of the recess (3), the distance (13) between the projection (11) and the electronics housing (4) being smaller than the distance between the remaining component housing (2) and the electronics housing (4), and that the projection (11) is arranged between the first vertical section (9) and the second horizontal section (10).

The invention discloses an atrial fibrillation detector capable of preventing a wire from falling off, which comprises an atrial fibrillation detector body, a liquid crystal display screen, a detector carrying handle, a liquid storage box, a cooling liquid and a micro water pump, and is characterized in that the liquid crystal display screen is embedded in the surface of the atrial fibrillation detector body; a detector carrying handle is fixedly installed in the middle of the top end of the atrial fibrillation detector body, a shockproof base is arranged at the bottom end of the atrial fibrillation detector body, and a groove is formed in the bottom end of the atrial fibrillation detector body. According to the atrial fibrillation detector capable of preventing the electric wires from falling off, an anti-falling structure is arranged, a plurality of data electric wires are inserted into a wire insertion opening in the atrial fibrillation detector, a user pushes a clamping piece, and the data electric wires can be clamped through arc-shaped clamping grooves in the clamping piece, so that the anti-falling effect is achieved; the phenomenon that the data wire falls off due to the fact that the atrial fibrillation detector is vibrated, and the detection result is affected is prevented.

A light shield comprises a top plate, two side plates, two fixing plates and two first connecting plates. The top plate comprises a front end part and a rear end part which are opposite, and two opposite side edges. The two side plates are connected to the two opposite side edges of the top plate respectively, each side plate is provided with a positioning hole, and the positioning holes are formed in the positions adjacent to the top plate. The two fixing plates are respectively connected to the two side plates and are adjacent to the rear end part. The two first connecting plates are connected to the two fixing plates respectively and combined to the rear end portion. In addition, the light shield can further comprise a light-emitting assembly. The utility model also provides a plate capable of being folded into the light shield.

The utility model relates to the field of oxygen generators, and discloses a split type oxygen generator optimizing device which comprises two base plates which are symmetrically distributed front and back, the bottoms of the two base plates are fixedly connected with a plurality of supporting legs, the tops of the two base plates are fixedly connected with the bottom of an oxygen generator external unit through fasteners, and the supporting legs are fixedly connected with the bottom of the oxygen generator external unit through fasteners. The back sides of the two base plates are fixedly connected with a plurality of supporting frames which are symmetrically distributed front and back, the tops of the front and back supporting frames are fixedly connected with the bottoms of two sliding plates correspondingly, sliding grooves are formed in the two sliding plates correspondingly, and the interiors of the two sliding grooves are slidably connected with a shielding frame; sound insulation cotton is arranged in the shielding frame, and two limiting frames are fixedly connected between the two sliding plates. The split type oxygen generator optimizing device has the advantages that the split type oxygen generator outdoor unit can be shielded, so that dust shielding and noise weakening can be carried out on the split type oxygen generator outdoor unit.

A cover for magnetizing a shaft of a tissue-penetrating medical device is disclosed including a sleeve member having a hollow body to form a protective closure over the shaft of the tissue-penetrating medical device. The proximal end of the hollow body provides a receiving space for receiving the shaft of the tissue-penetrating medical device. One or more magnet is disposed on the sleeve member. A magnetic shield composed of one or more shielding materials associated with the cover that minimizes any effects to the clinical environment from magnetic fields generated within the cover. Medical devices and methods of magnetizing the shaft of a tissue-penetrating medical device using the cover are also disclosed.

The invention relates to a magnetic shield (10) for receiving and shielding a device (12) to be protected, comprising at least one shielding shell (16) for forming a protective cavity (20), wherein the shield (10) comprises at least one demagnetizing coil (24) made of an electrical conductor (26), wherein the demagnetizing coil (24) surrounds the shielding shell (16), and wherein the electrical conductor (26) is formed on the shielding shell (16). The invention also relates to a manufacturing process (58).

Methods and systems for protecting a quantum state of a client quantum system of a broker-client system are disclosed. The client-broker system comprises the client quantum system and a broker quantum system coupled by a hyperfine interaction. The method comprises suppressing the hyperfine interaction by applying an electromagnetic dressing field to the client-broker system in the presence of a first magnetic field. The electromagnetic dressing field comprises a second magnetic field that oscillates in a direction perpendicular to the first magnetic field. While the hyperfine interaction is suppressed, a quantum state of the broker quantum system may be altered by steps including optically exciting the broker quantum system. The method may be applied to reduce decoherence of the quantum state of the client quantum system while resetting a quantum state of the broker quantum system.

The invention relates to a temperature control device (10) for at least one object to be temperature controlled, comprising an elastic multilayer foil body (20) in which a closed channel system (28) with at least one channel for guiding an electrically and thermally conductive medium (29) is formed, and at least one magnetohydrodynamic pump module (30) which is integrated into the elastic multilayer foil body (20) and has at least one electrode device (34) with two electrodes (34.1, 34.2) and at least one magnet device (36) which generates a magnetic field (B1, B2), wherein in the at least one magnetohydrodynamic pump module (30) a first electrode (34.1) of the at least one electrode device (34) introduces an electric current flow (I) with a predetermined current density into the electrically and thermally conductive medium (29) at at least one channel section (28A, 28B) and a second electrode (34.2) the at least one electrode device (34) directs the electric current flow (I) out of the electrically and thermally conductive medium (29) at the at least one channel section (28A, 28B), such that an interaction of the electrically and thermally conductive medium (29) guided in the closed channel system (28) with the introduced electric current flow (I) and with the generated magnetic field (B1, B2) generates a Lorentz force (FL) which selectively drives the electrically and thermally conductive medium (29) in the at least one channel section (28A, 28B) wherein a resulting pressure build-up causes a desired volume flow of the electrically and thermally conductive medium (29) through the at least one channel of the closed channel system (28), as well as a temperature control arrangement (1) with at least one such temperature control device (10) and a method for manufacturing such a temperature control device (10).

The invention relates to a method for ensuring the electrical shielding of a device housing (10) during processing, which device housing (10) has a hollow profile (12) closed at the front with a housing cover (14), both of which are electrically conductive, which housing cover (14) has an annular extension (16) which surrounds a reduced-thickness section (18) at the end of the hollow profile (12), wherein the height (h) of the annular extension (16) is smaller than the height (H) of the reduced-thickness section (18), so that the end face of the reduced-thickness section (18) contacts the inside of the cover and a distance (a) remains between the free end of the annular extension (16) and a shoulder (20) at the beginning of the reduced-thickness section (18), wherein a processing cover (30) which also has an annular extension (32) is used for processing the device housing (10), the height (h2) of the annular extension (32) of the processing cover (30) being selected to be greater than the height (H) of the reduced-thickness section (18), so that during painting it rests against the shoulder (20) at the beginning of the reduced-thickness section (18) of the hollow profile (12).

An inductive encoder system includes a scale comprising a periodic scale pattern and a detector section configured to move relative to the periodic scale pattern along a measurement axis direction. The detector section includes a field-generating section configured to produce a changing magnetic flux and a scanning section comprising one or more sets of scanning elements configured to provide detector signals that respond to a local effect on the changing magnetic flux provided by the periodic scale pattern, with each set of scanning elements coupled to a set of sensor vias.The detector section further includes a plurality of shielding structures SST, wherein each shielding structure SST is located near a group of sensor vias and comprises a plurality of shielding vias, and in each shielding structure one or more shielding loops are formed by the plurality of shielding vias coupled to each other by conductor sections.

The present invention relates to a high-frequency shielding device for a dedicated magnetic resonance imaging (MRI) device (10), in particular for a dedicated MRI head scanner (10), comprising: modular high-frequency shielding elements (72) configured to be interconnected and, in the interconnected state, to form a space for arranging the dedicated MRI device (10); and / or at least one high-frequency shield (140) configured to be arranged on one side on a patient (15) and / or on a movable patient seat (31) and on another side on the dedicated MRI device (10); and / or at least one high-frequency antenna (200) configured to cancel out a high-frequency signal from the dedicated MRI device (10) by destructive interference.

The present invention aims to provide an electromagnetic wave-absorbing composition comprising a thermoplastic resin or a thermoplastic elastomer, exhibiting electromagnetic wave absorption performance, and suppressing an increase in fluidity when heated. The composition of the present invention comprises a component (A) that is at least one selected from a thermoplastic resin and a thermoplastic elastomer and a component (B) that is a Fe—Cr—Si-based soft-magnetic metal powder at a mass ratio (component (A) / component (B)) in a range of 5 / 95 to 80 / 20, further comprises a component (C) that is at least one selected from a phosphite-based compound and a phosphate-based compound in an amount of 0.02 to 1.4 parts by mass relative to 100 parts by mass in total of the component (A) and the component (B), and has an electromagnetic wave absorption energy P at 79 GHz of 5 kW / m3 or more.

The utility model relates to the technical field of engineering cost measurement, and particularly discloses a level gauge for measuring construction engineering cost, which comprises a bearing mechanism and a protection mechanism, the bearing mechanism comprises a base and a steering seat arranged on the lower surface of the base, a telescopic component is hinged on the steering seat, and one end of the telescopic component is provided with a movable shaft; the protection mechanism comprises a mounting seat arranged on the upper surface of the base; according to the device, the base with the mounting seat is arranged, the leveling instrument body for surveying and mapping is arranged on the mounting seat, the pitching angle of the leveling instrument body can be controlled through the adjusting shaft, and the side plate on the adjusting shaft can drive the top plate to rotate along with the adjusting shaft while the angle is adjusted, so that external light cannot influence surveying and mapping operation; and the top plate can slide on the side plates through the sliding rail plates, so that the extension depth of the top plate can be adjusted, light rays from different directions can be blocked by matching with the rotatable overturning plates on the two sides, and the blocking effect on external light rays is improved.

The present disclosure relates to reducing material migration from other polymer-inorganic composites used in thermal management and / or electromagnetic interference (EMI) mitigation materials (e.g., thermal interface materials (TIMs), EMI absorbers, thermally conductive EMI absorbers, electrically conductive elastomers (ECEs), electrically conductive composites, combinations thereof, etc.) and other purposes. In exemplary embodiments, the method includes adding halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials to the composite in an amount sufficient to reduce material migration from the composite. Also disclosed are exemplary embodiments of composites including halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials in an amount sufficient to reduce material migration from the composite.

The utility model relates to the technical field of medical equipment, in particular to a treatment machine with a toppling protection function, which comprises a main machine, a base for providing stable supporting force is mounted at the bottom of the main machine, and corner protection parts for collision protection are mounted at corners of four side edges of the outer side of the main machine. The corner protection piece is provided with an expansion part capable of being inflated, and the outer wall of the corner protection piece is provided with a toppling sensing part capable of sensing the gravity change when the host topples and controlling the inflation of the expansion part. According to the treatment machine with the toppling protection function, through the synergistic effect of the stably-supported base, the adjustable extension rod, the anti-skid supporting rod and the suction cup, the weight of the main machine is effectively dispersed, the supporting area is enlarged, the anti-skid capacity is enhanced, the stability of the machine under various placement conditions is greatly improved, and the toppling risk is reduced. The gravity signal change of the host can be accurately captured in real time through the toppling sensing part, the toppling condition is rapidly judged, and a protection mechanism is started.

The invention relates to an electro-optical system (1) comprising an electrical system part (2) and an optical system part (3). These system parts (2, 3) are arranged relative to one another such that light (9) can pass from the electrical system part (2) into the optical system part (3) through a coupling region (6). The system (1) also comprises at least one shielding element (7) surrounding the coupling region (6) for electromagnetic shielding, which forms an electrically conductive connection between the two system parts (2, 3). The shielding element (7) is arranged between the two system parts (2, 3) for mechanical decoupling from one another and is designed to be flexibly deformable. The invention further relates to a laser system comprising such an electro-optical system (1).

The invention relates to a shielding device (10) for the positionally accurate reception of a gas cell of an atomic gyrometer, comprising a support frame (12) with a first support plate (14) and a second support plate (16), a shielding body (22) designed to receive the gas cell, and two compensating rings (24) designed to arrange the shielding body (22) on the support frame (12); wherein the shielding body (22) comprises a soft-magnetic nickel-iron alloy for magnetically shielding the gas cell and is arranged between the support plates (14, 16) of the support frame (12); wherein the compensating rings (24) each have a holding ring (26) for arrangement on the shielding body (22) and a fastening ring (28) for fastening the holding ring (26) to one of the support plates (14, 16) of the support frame (12). wherein the compensating rings (24) are designed to reduce mechanical vibrations and thermal stresses of the shielding body (22). The invention also relates to an atomic gyroscope and a manufacturing method (70).

Field device for automation technology (1) with a housing (1.1) for receiving field device electronics (4) of the field device, wherein the housing comprises a substantially cup-shaped housing body (1.4) which forms an interior space (1.3), wherein the housing body (1.4) has a preferably cylindrically circumferential side wall (1.5) which forms at least a part of an interior space (1.3) for receiving the field device electronics (4), wherein the field device electronics (4) is inserted into the interior space (1.3) such that at least a partially circumferential gap (1.6) is formed between the field device electronics (4) and the circumferential side wall (1.5), wherein at least in the partially circumferential gap (1.6) a thermal conductor (3) is inserted which thermally connects the field device electronics (4) to the circumferential side wall (1.5) of the housing (1.2), so that the thermal conductor (3) dissipates heat into the housing (1.2), in particular.a heat input at a housing underside, to the surrounding side wall (1.5) of the housing.

The present disclosure relates to decreasing migration of materials from thermal management and / or electromagnetic interference (EMI) mitigation materials (e.g., thermal interface materials (TIMs), EMI absorbers, thermally-conductive EMI absorbers, electrically-conductive elastomers (ECEs), electrically-conductive composites, combinations thereof, etc.) and other polymer-inorganic composites used for other purposes. In exemplary embodiments, a method includes adding halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials to a composite in an amount sufficient for decreasing migration of materials from the composite. Also disclosed are exemplary embodiments of composites that include halloysite and / or hollow nanotubular inorganic structures and / or tubular inorganic nanomaterials in an amount sufficient for decreasing migration of materials from the composite.