63results about How to "Improve signal shielding effect" patented technology

The invention provides a touch-sensing electrode structure and a touch-sensitive device. The touch-sensing electrode structure has a plurality of electrode units. Each of the electrode units includes at least one first electrode and at least one second electrode. The second electrode is formed in an area not overlapping the first electrode, and the first electrode has a first part and a second part. The second electrode is adjacent to the first part of the first electrode and spaced apart the first part of the first electrode by a first interval, the second part of the first electrode is adjacent to the second electrode and spaced apart the second electrode by a second interval, and a width of the second interval is not equal to a width of the first interval. In this way, the area of the mutually inducted action surface between the first electrode and the second electrode is greatly increased, so that the inducted electric capacity of the touch-sensing electrode structure and the sensitivity of the touch-sensing operation are improved.

The embodiment of the invention discloses a method for shielding a wireless signal. The method includes the steps that (1) a monitoring unit receives a user instruction, wherein the user instruction is a modification instruction or an inquiry instruction; (2) the monitoring unit judges the user instruction, if the user instruction is the inquiry instruction, shielding parameters are fed back to a user, and if the user instruction is the modification instruction, the monitoring unit judges whether the modification instruction is in a manual control mode or an automatic control mode, if the modification instruction is in the manual control mode, a manual control process is started, a power control signal is transmitted to multiple frequency band shielding units, and if the modification instruction is in the automatic control mode, an automatic control process is started, and the power control signal is transmitted to the multiple frequency band shielding units; (3) the frequency band shielding units radiate shielding signals in multiple frequency bands according to the power control signal. According to the method, the shielding signals can be flexibly controlled, a wireless signal shielding device can be monitored in real time, the power level of the wireless signal shielding device can be accurately adjusted, dynamic upgrading can be achieved, wireless signals possibly occurring in the future can be shielded, and the signal shielding effect can be optimized.

The invention provides a high-frequency slip ring device. The high-frequency slip ring device comprises a main shaft (1) and a plurality of slip ring portions, wherein the main shaft (1) is made of metal; the multiple slip ring portions are arranged on the main shaft (1) in a sleeved mode, each slip ring portion comprises a signal loop (11) and two shielding loops (12), and the two shielding loops (12) of each slip ring portion are arranged on the two opposite sides of the corresponding signal loop (11). According to the high-frequency slip ring device, the technical problems that in the prior art, electric signals leak between slip rings, and the signal shielding effect is not good are solved.

The invention discloses a multichannel signal connector. The multichannel signal connector comprises an insulation shell, a plurality of conductive terminals, an upper housing, and a lower housing, wherein an annular groove is formed in the upper surface of the insulation shell; the annular groove is formed by enclosure of a lingual plate unit which is formed by stretching upward from the bottom of the annular groove, and a surrounding unit around the lingual plate unit; the plurality of conductive terminals are fixedly arranged on the insulation shell; the each conductive terminal includes aterminal contact unit at the front end, a terminal fixing unit connected to the terminal contact unit, and a terminal bonding unit at the back end; the terminal contact unit is arranged on the lingualplate unit in an exposed manner; the upper housing covers the upper side of the insulation shell, and the front end of the upper housing is provided with a ring wall surrounding the surrounding unit;an attaching unit which is exposed in the annular groove in a stretched manner is arranged on the ring wall; and the lower housing covers the lower side of the insulation shell, and is fixed togetherwith the upper housing. The multichannel signal connector effectively achieves the aim of implementing reliable transmission of multichannel signals through single connector.

The invention discloses a processing method of a waterproof boiling-resistant cable and the waterproof boiling-resistant cable, and the waterproof boiling-resistant cable comprises a metal inner coreand an insulating layer, wherein the insulating layer wraps the outer side of the metal inner core to form a plurality of unit wires, and all the unit wires are spirally wound to form a main cable; the outer side of the main cable comprises an outer sheath. According to the invention, the unit wires are spirally wound, thereby improving the waterproof performance of the cable; the thermal stability of the PVC is improved by adding the filler into the PVC, and the flame-retardant and anti-aging performance of the outer sheath is improved by adding the flame-retardant components aluminum hydroxide and magnesium hydroxide, adding the zinc stearate as the lubricant and adding the triphenyl phosphite as the antioxidant. Cold water is input through the water inlet pipe, cooled through the circulating water pipe and discharged through the water discharging pipe, the temperature can be kept constant, and the extrusion effect is improved.

The invention discloses a coaxial cable manufacturing method, and relates to the field of cable machining. A coaxial cable comprises an inner conductor, an insulating layer, a shielding layer and an outer sheath. The insulating layer comprises a rubber layer and a foaming layer. An anaerobic copper core is adopted as the inner conductor, after straightening, sizing and ultrasonic cleaning, the surface of the anaerobic copper core is dried through nitrogen, silver paste is evenly sprayed to the surface of the anaerobic copper core through a high-pressure spraying gun, and the inner conductor is obtained. According to the coaxial cable manufacturing method, a silver coating is coated on the anaerobic copper core, the oxidation resistance of the copper core is protected, the service life of the copper core is prolonged, the signal transduction directivity and quality of signals are improved, the rubber layer is arranged outside the inner conductor, the bending flexibility of the coaxial cable is lowered, heat dissipation holes are formed in the rubber layer, heat generated in the working process of the inner conductor can be helped to be dissipated, the long-term working resistance is lowered, the current is increased, inflaming retarding components of aluminum hydroxide and magnesium hydroxide are added in the outer sheath, triphenyl phosphate serves as antioxidants, and the performance of the inflaming retarding and ageing resistance of the outer sheath is improved.

The invention relates to a multi-core fire-resistant power cable which comprises a wire core, a filling layer, an external shielding layer, an insulating layer, a longitudinal water resistant buffer layer, a first protective layer and a second protective layer which are arranged from inside to outside in turn. The wire core comprises multiple spirally wound leads and an internal shielding layer. The structure is reasonable, and two different materials of protective layers are adopted so that wear resistance can be enhanced, aging is not liable to occur and the safety is enhanced. The insulating layer is made of high-temperature-resistant crosslinked polyethylene so that the cable is not liable to be softened by high temperature, and breakdown of the cable caused by overload current can be prevented. Double shielding of the internal shielding layer and the external shielding layer is adopted so that the signal shielding effect can be enhanced, interference of signal transmission of other signal wires can be avoided, and the longitudinal water resistant buffer layer arranged outside the insulating layer has high water resistance. Besides, the leads are spirally wound so that the fracture resistance of the cable can be enhanced. The multi-core fire-resistant power cable has the advantages of high protective property, high temperature resistance, wear resistance and long service life and is particularly suitable for being popularized in the electric power industry.

The invention relates to the field of display screens, and especially discloses a capacitive screen capable of preventing display module interference and a preparation method thereof. The capacitive screen capable of preventing the display module interference comprises a display module, a shielding layer and a capacitive screen body. The display module, the shielding layer and the capacitive screen body are sequentially stacked, and a first conductive layer and a second conductive layer are arranged on the lower surface and the upper surface of the shielding layer respectively. The capacitivescreen effectively prevents signal interference of the display module on the edge channel of the capacitive screen.

The invention discloses a device package structure with a heat radiating structure and a manufacturing method thereof. Through setting a chip and height limitation convex points on the first surface of a substrate, a first space is formed by a heat radiating plate, the first surface of the substrate, the height limitation convex points and the chip, plastic resin is filled in the first space, the height limitation convex points are connected with the heat radiating plate, thus the ground electrode of the substrate is connected with the heat radiating plate through the height limitation convex points, electric shielding is formed, and technical effects of low cost, good heat radiating performance, good grounding performance, and good signal shielding effect are achieved.

The invention relates to the technical field of electronics, and discloses a shell and a manufacturing method therefor, and terminal equipment. The manufacturing method for the shell comprises the steps of performing injection molding on the shell; arranging at least one conductive routing layer on the shell; printing at least one bonding pad in a preset position of the shell; and welding an electronic component on the bonding pad, wherein the conductive routing layer is used for realizing electrical connection of the corresponding electronic component to a main board. Embodiments of the invention also disclose the shell and the terminal equipment. The complete machine width of the terminal equipment can be reduced while cost can be lowered.

The invention relates to an electric connector which comprises a base, a plurality of differential signal pairs, a plurality of first shielding members and a plurality of second shielding members, wherein the differential signal pairs, the first shielding members and the second shielding members are contained in the base, and the differential signal pairs and the first shielding members are alternately arranged in the first direction; the second shielding members and the differential signal pairs are alternately arranged in the second direction which is perpendicular to the first direction; and each second shielding member comprises a contact part which contacts the first shielding member. The first shielding members and the second shielding members can shield signal cross-disturbance between adjacent differential signal pairs in two directions; and thus, better signal shielding effect can be achieved.

The invention provides a signal shielding express box which comprises a signal shielding layer in a sandwich layer of a box body and a box door. The signal shielding layer is composed of aluminium foil layers and signal shielding bars, wherein the aluminium foil layers are of a double-layer structure, and the signal shielding bars are embedded into the double-layer structure of the aluminium foil layers. An interface connected with the signal shielding bars is arranged at the connecting position of the box body and the box door. The protruding flexible signal shielding bars of the box door can be automatically embedded into the interface of the box body after the box door is closed, and the complete signal shielding layer is formed. The signal shielding bars are in parallel and are closely arrayed to form a signal shielding net, and the signal shielding layer is formed.

The invention relates to the technical field of circuit board manufacturing, in particular to a multi-layer flexible circuit board for shielding a signal line and a manufacturing method of the multi-layer flexible circuit board. The manufacturing method of the multi-layer flexible circuit board for shielding the signal line is simple and convenient, and a single-sided flexible circuit board is directly pressed on the two surfaces of a double-sided flexible circuit board base material, a shielding thin film is laminated on the outermost layer, and meanwhile, an opening in the single-sided flexible circuit board is filled, so that the shielding thin film and a grounding wire area form metal wrapping on the signal line area, a high signal shielding effect is achieved, and loss of line signalsis reduced. According to the multi-layer flexible circuit board manufactured by the method for manufacturing the multi-layer flexible circuit board for shielding the signal line, the line signal lossis low, the overall thickness is thin, and the multi-layer flexible circuit board has relatively high bending performance.

The invention provides an interconnection structure assembly and a millimeter wave antenna assembly. The interconnection structure assembly comprises a circuit board and two transmission lines, wherein the circuit board comprises at least two stacked electric conducting layers, the two transmission lines are arranged on the circuit board and located on different electric conducting layers, the atleast two electric conducting layers include a first electric conducting layer and a second electric conducting layer, the two transmission lines are respectively a first transmission line located onthe first electric conducting layer and a second transmission line located on the second electric conducting layer, and the interconnection structure assembly further comprises electric conducting holes arranged on the circuit board in a penetrating manner and electrically connected with the first transmission line and the second transmission line, and a plurality of metal buried holes arranged onthe circuit board, surrounding the electric conducting hole and used for shielding the electric conducting hole. According to the interconnection structure assembly, the metal buried holes used for shielding the electric conducting holes are formed around the electric conducting holes electrically connected with the first transmission line and the second transmission line in the surrounding modeto shield the electric conducting holes, so that leakage of transmission signals is reduced, and energy loss of the transmission signals in the transmission process of the interconnection structure assembly is reduced.

The invention discloses a medium-voltage soft-conductor photoelectric integrated cable comprising a plurality of power units. The power units are covered with a water stop layer, a liner layer, a wire armored layer and an outer sheath layer in order. A plurality of fiber units are disposed in gaps among the power units. Each power unit comprises a soft-conductor wire core which is covered with an inner shield layer, an insulating layer and an outer shield layer in order. Each fiber unit comprises a loose tube accommodating a fiber core, fiber paste and a reinforcing wire, and the loose tube of the fiber unit is covered with an asbestos cloth layer and a silicone layer in order. When the medium-voltage soft-conductor photoelectric integrated cable operates at high temperature for a long time, the interior temperature of the cable can be lower than 60 DEG C, and the transmission performance of the cable is unaffected; in addition, the asbestos cloth and silicone wrapping the fiber units also has the function of enhancing fiber outer support, and the fiber units are protected from crush when the fiber units and the power units are stranded into the cable.

The invention provides a signal shielding method. The method comprises: the range of frequencies currently being used by the base station is obtained; the location of main sync signal time gap is obtained based on the range of frequencies currently being used by the base station; interference signal is transmitted based on the location of main sync signal time gap. User devices, such as mobile terminal and the like, receive the down going signal sent by the base station in the main sync signal time gap, then the descending synchronization with the base station is obtained. And the user devices meanwhile send the leading code sequence of request random access to the base station in the main sync signal time gap, therefore, transmitting interference signal in the main sync signal time gap enables the user devices not to search the network and communicate normally at the same time. Hence, the method has the advantages that the shielding effect of the signal is enhanced, the power of the signal shielding device is reduced, energy is saved, and radiation to the human body is reduced.

The invention discloses an anti-interference waterproof weather-proof data cable material which comprises the following raw materials in parts by weight: 60-70 parts of low molecular weight polyvinylidene fluoride, 40-50 parts of PVB resin, 10-14 parts of polyethylene wax, 6-10 parts of polyvinyl alcohol, 4-8 parts of coupling reagent, 7-9 parts of a rare earth zinc calcium compound stabilizer, 8-10 parts of a water-resisting additive, 3-7 parts of a lubricating agent, 10-20 parts of an electromagnetic shielding additive, 12-16 parts of a processing agent and 7-9 parts of carbon black. The cable material disclosed by the invention has better surface flexibility, smooth touch feel, acid-base resistance property, anti-aging property, excellent signal shielding effect, high temperature resistance and high mechanical strength; besides, the data cable material has a better waterproof property; and meanwhile, the material cost is low, the raw materials are easily available, the preparation method is simple and the data cable material has high practical value and excellent application prospect.

The invention discloses an RFID scaleplate scale device with a communication micro passage and a building method of the RFID scaleplate scale device with the communication micro passage. The RFID scaleplate scale device with the communication micro passage comprises two or more micro passage assemblies, a channel converging rail, a scaleplate pointer, a shielding assembly and a scaleplate. Each micro passage assembly further comprises a micro channel outlet embedded into a through hole of the channel converging rail, the scaleplate pointer is arranged on the shielding assembly, one end of the scaleplate pointer is directed at the scaleplate, and the interval between every two adjacent micro passage assemblies corresponds to the scales on the scaleplate. The shielding assembly can move on the channel converging rail along with the scaleplate pointer in two directions, when the shielding assembly moves to the position above any one micro channel outlet along with the scaleplate pointer, the shielding assembly connects or disconnects the communication between an RFID electronic tag corresponding to the micro channel outlet and an external RFID system, and therefore changes of an external measurement angle or linear displacement are obtained. The RFID scaleplate scale device with the communication micro passage and the building method of the RFID scaleplate scale device with the communication micro passage have the advantages of being simple in measurement, convenient to built and capable of being identified in a non-touch mode and achieving real-time detection, and can be widely applied to the field of engineering measurement.

The invention discloses a shielding door and a production process thereof. The shielding door comprises a door leaf, a door frame arranged around the door leaf and a shielding assembly capable of enhancing shielding of signals, wherein the shielding assembly comprises a brass shielding groove, shielding brass sheets and a brass knife insert; the brass shielding groove comprises a plurality of shielding notches, wherein the shielding brass sheets arranged oppositely are arranged on the two opposite side walls in at least two shielding notches, the brass knife insert of the door leaf is providedwith brass inserting sheets capable of being inserted into the shielding notches; and when the door leaf and the door frame are locked, the brass inserting sheets are inserted into gaps between the shielding brass sheets to achieve signal shielding. The production process comprises the steps of preparation and installation of the door leaf and door leaf raw materials and preparation and installation of shielding assembly raw materials. In the abovementioned way, according to the shielding door and the production process thereof, the brass shielding pieces are adopted, the service life is prolonged while attractiveness is guaranteed, the signal shielding performance is greatly improved, the product percent of pass is increased, the product quality is guaranteed, and the working intensity of workers is relieved.

The invention relates to the technical field of a signal shielding cover, in particular to a signal shielding cover structure, comprising a superposed PCB board assembly and a hardware bracket assembly, and a shielding cover sandwiched between the PCB board assembly and the hardware bracket assembly. And a shielding area for shielding signals is arranged on the PCB component; The shielding cover abuts on the hardware support assembly and is interference-coated on the shielding area. The invention aims at providing a signal shielding cover structure. The technical scheme provided by the invention solves the technical problems of loosening of the shielding cover, complex structure and installation process, poor conductivity and tightness of the existing signal shielding cover.

The invention provides a sensor packaging structure capable of implanting clothes, a packaging method of the sensor packaging structure and intelligent clothing, and belongs to the technical field ofsensor packaging. The sensor packaging structure comprises a sensor packaging unit, a forming hot melt adhesive structure, a first conductive buckle an a signal outgoing line, wherein the forming thermal hot melt adhesive structure is used for covering the sensor packaging unit and sticking the sensor packaging unit to one side of a clothes cloth, and the first conductive snap joint is used for fixedly connecting the sensor packaging unit and the clothes cloth in a mechanical mode; the sensor packaging unit comprises a sensor, and a doubly-layer shielding outer shell arranged in the mode of totally covering the sensor; and one end of the signal outgoing line is connected with the a wiring pin of the sensor, the other end of the signal outgoing line is connected with the first conductive snap joint, and the first conductive snap joint is non-electrically connected with the double-layer shielding outer shell. According to the sensor packaging structure, the connecting stability between the sensor packaging structure and the clothes is great, the packaging effect is great, the signal shielding effect and signal collecting accuracy are improved, the waterproof performance is further improved, the service life is long, and the sensor packaging structure is not prone to falling off.

The invention provides a high-frequency slip ring device. The high-frequency slip ring device comprises a main shaft (1) and a plurality of slip ring portions, wherein the main shaft (1) is made of metal; the multiple slip ring portions are arranged on the main shaft (1) in a sleeved mode, each slip ring portion comprises a signal loop (11) and two shielding loops (12), and the two shielding loops (12) of each slip ring portion are arranged on the two opposite sides of the corresponding signal loop (11). According to the high-frequency slip ring device, the technical problems that in the prior art, electric signals leak between slip rings, and the signal shielding effect is not good are solved.

The invention discloses a conductive fabric for shielding signals. The conductive fabric comprises a silver fiber-polyester fiber blended base layer (1); a bonding layer (2) and an adhesive layer (3) are sequentially arranged on the upper surface of the silver fiber-polyester fiber blended base layer (1) from bottom to top; and a bonding layer (2), a non-woven fabric layer (4) and an adhesive layer (3) are sequentially arranged on the lower surface of the silver fiber-polyester fiber blended base layer (1) from top to bottom. The conductive fabric has the advantage of good signal shielding effect.

The invention relates to the technical field of card bags and in particular to a card bag with a signal shielding function. The card bag comprises a card bag body. The card bag body comprises openablefront clip and back clip. The top of the back clip is provided with a separating layer. The separating layer partially extends to the front clip, and a card pocket is formed by the separating layer and the card bag body. An opening of the card pocket is positioned in an area of the front clip. Signal shielding layers are respectively embedded in the separating layer and the card bag body. According to the card bag provided by the invention, by using a first signal shielding layer and a second signal shielding layer to coat a mobile communication device in a structure of the card pocket, signal isolation can be performed on the mobile communication device, signal connection of the mobile communication device with the outside can be cut off, so as to realize signal shielding; in addition, because the separating layer partially extends to the front clip, while the card bag is folded, the extending part of the separating layer is cooperated with the front clip, so as to realize natural sealing of the card pocket in a folding process, improve leakproofness of the card pocket, and reinforce the single shielding effect of the card pocket.

The invention discloses a GPRS networking system based on a lobe control technology. A signal transmission module of the lobe control technology receives wireless signals of GPRS public network signalequipment, the signal transmission module of the lobe control technology also enhances the signals through a signal enhancement module, and then transmits the signals to GPRS terminal equipment. Thelobe control technology is used in a GPRS networking system to form the signal transmission module of the lobe control technology, and the signal enhancement module is used to form a signal transmission channel. According to the scheme of the invention, based on the lobe control technology, the capping situation of shaped antennae is set by acquiring lobes, and thus receiving antennae in any direction can better receive the signals, and the energy of the received signals can be enhanced; the signal enhancement module is a signal transmission enhancement module, which can enhance the signals through the modes of signal isolation, denoising and amplification, and thus power GPRS terminal equipment can effectively receive and transmit the signals. The system disclosed by the invention is small in investment and good in technical effect.

The invention discloses a coaxial radio frequency cable interference shielding and enhancing structure, and relates to the technical field of radio frequency cables. The structure comprises two shielding and enhancing mechanisms which are in symmetrical sliding fit, and each shielding and enhancing mechanism is composed of an outer shielding assembly, a cable clamping assembly, a magnetic pushing assembly and an inner shielding assembly. The cable clamping assembly, the magnetic pushing assembly and the inner shielding assembly are all located in the outer shielding assembly, the cable clamping assembly is fixedly connected with the outer shielding assembly, and the magnetic pushing assembly and the cable clamping assembly are magnetically repellent; the inner shielding assembly is in sliding fit with the outer shielding assembly, and the inner shielding assembly and the cable clamping assembly are magnetically repellent. Through the design of the shielding and enhancing mechanisms, the cable clamping assembly, a positioning column and a clamping piece, and the shielding and enhancing mechanisms can be installed outside a coaxial radio frequency cable interface after butt joint, so that the signal radiation between the exterior and the interior of the shielding and enhancing mechanisms is effectively blocked, and then the interference shielding performance of the cable interface is greatly improved.

The invention discloses an ultra-thin non-woven fabric which is formed by a single-layer non-woven fabric. The single-layer non-woven fabric is 0.004-0.008 mm thick and is formed by mixing metal fibers, polyester fibers and polyphenylene sulfide fibers, the metal fibers account for 10%-15% of the constituent fibers by weight, the polyester fibers account for 15%-25% of the constituent fibers by weight, the polyphenylene sulfide fibers account for 50%-65% of the constituent fibers by weight, and the single-layer non-woven fabric is prepared in a heat bonding method. In the preceding mode, the ultra-thin non-woven fabric has the advantages that tensile force and toughness are good, and the ultra-thin non-woven fabric is made of short fiber, cannot fluff and has no long filaments, and meanwhile, the ultra-thin non-woven fabric has a good signal shielding effect and can be used for a drying belt, a cable rubber-coating layer, fireproof fabric and the like.

The invention relates to the technical field of semiconductors, and discloses a packaging structure and a display device. The packaging structure comprises a metal support, a driving chip, a light-emitting assembly, a packaging piece and a metal cover plate. Wherein the metal support comprises a plurality of pins, a first face and a second face, the first face and the second face are oppositely arranged, the driving chip is arranged on the first face of the metal support and used for controlling the light-emitting state of the light-emitting assembly, and the light-emitting assembly is arranged on the second face of the metal support and electrically connected with the driving chip through the metal support. The packaging piece is arranged on the metal support, the packaging piece fixes the metal support and wraps the driving chip and the light-emitting assembly, the pins surround the driving chip and are partially exposed out of the packaging piece, and the metal cover plate is arranged on the side, away from the light-emitting assembly, of the driving chip and covers the whole driving chip. According to the packaging structure and the display device provided by the invention, the signal interference problem of the driving chip in the prior art can be solved, so that the use performance of a product is greatly improved.

The invention discloses an RFID scaleplate scale device with a communication micro passage and a building method of the RFID scaleplate scale device with the communication micro passage. The RFID scaleplate scale device with the communication micro passage comprises two or more micro passage assemblies, a channel converging rail, a scaleplate pointer, a shielding assembly and a scaleplate. Each micro passage assembly further comprises a micro channel outlet embedded into a through hole of the channel converging rail, the scaleplate pointer is arranged on the shielding assembly, one end of the scaleplate pointer is directed at the scaleplate, and the interval between every two adjacent micro passage assemblies corresponds to the scales on the scaleplate. The shielding assembly can move on the channel converging rail along with the scaleplate pointer in two directions, when the shielding assembly moves to the position above any one micro channel outlet along with the scaleplate pointer, the shielding assembly connects or disconnects the communication between an RFID electronic tag corresponding to the micro channel outlet and an external RFID system, and therefore changes of an external measurement angle or linear displacement are obtained. The RFID scaleplate scale device with the communication micro passage and the building method of the RFID scaleplate scale device with the communication micro passage have the advantages of being simple in measurement, convenient to built and capable of being identified in a non-touch mode and achieving real-time detection, and can be widely applied to the field of engineering measurement.