34results about How to "Strong signal transmission ability" patented technology

The invention provides a method for uniformly and chemically gold-plating ITO (Indium Tin Oxide) wiring on a capacitive touch screen, which enables the gold-plating thickness of each wiring needing gold-plating and being arranged on the ITO glass to be uniform and the product stability and signal transmission capability of the touch screen to be good. The capacitive touch screen comprises a part to be plated and a part not to be plated of the ITO glass; the part to be plated is etched with the wirings, the part not to be plated is covered with a gold-plating protective film, sensing electrodes uniformly distributed in the part not to be plated at an X / Y direction are connected with an external structure by the corresponding wirings, and then the wiring of each touch glass is plated by adopting a chemical nickel plating process and a chemical gold plating process. The ratio of the area of the wirings which are mutually connected in the part to be plated to the area of the signal sensing electrodes at the X / Y direction in the part not to be plated is greater than 1%.

The invention discloses a printed circuit board. The printed circuit board comprises a first layer and a second layer, wherein the first layer is provided with a pair of differential signal lines; the second layer comprises a cross groove; with respect to the two differential signal lines, the widths of the portions which are not positioned above the cross groove are less than those of the portions which are positioned above the cross groove; and with respect to the two differential signal lines, the space between the portions which are not positioned above the cross groove are greater than that between the portions which are positioned above the cross groove. The printed circuit board avoids the discontinuity of impedance by increasing the line widths of the portions of the differential signal lines positioned above the cross groove, so the signal transmission capacity of the differential signal lines positioned above the cross groove can be improved well.

A low-cost system for wireless, bi-directional transformation of electric signals over a capacitive interface between a host unit and a guest unit is provided. The system allows a high impedance in the circuitry of the guest unit to obtain a good signal transfer ability in conditions of poor dieelectric materials, poor conductivity in the contact pads and relatively large gaps between the contact pads. The capacitive interface comprises a respective first (A1; B1), second (A2; B2) and third (A3; B3) conductive area in the host and guest units (10, 40). The first conductive area (A1) of the host unit is connected to a self-tuning frequency generating resonant circuit (16) in the host unit (10) for obtaining high gain of signals transmitted to the guest unit (40). The second and third conductive areas (A2, A3) of the host unit are connected to an impedance circuit (30) in the host unit for receiving signals from the guest unit. The first and second conductive areas (B1, B2) of the guest unit are further connected to an impedance circuit (44) in the guest unit for receiving signals from the host unit. In a preferred embodiment, the first and third conductive areas (B1, B3) of the guest unit are also galvanically interconnected.

An SRAM unit forming method comprises forming first, second, third, fourth, fifth and sixth fins; forming a first grid crossing the first, second and third fins and a second grid crossing the first and second fins, wherein the first and second fins between the first and second grids are a first drain; forming a third grid crossing the fourth, fifth and sixth fins and a fourth grid crossing the fifth and sixth fins, wherein the fifth and sixth fins between the third and fourth grids are a second drain; forming a fifth source and a third drain of the third fin on the two sides of the first grid; forming a sixth source and a fourth drain of the fourth fin on the two sides of the third grid; forming an interlayer dielectric layer; performing first graphing to form a first groove crossing the first and second fins of the first drain and the third fin of the third drain; performing second graphing to form a second groove crossing the fifth and sixth fins of the second drain and the fourth fin of the fourth drain; forming a first metal layer in the first groove and a second metal layer in the second groove. By the aid of the method, the SRAM unit is achieved technologically.

The invention relates to the technical field of cable manufacturing, in particular to a flexible cable for an intrinsic safety DCS. The flexible cable comprises a cable core, and a lapping cabling layer, a main shielding layer, a lining layer, an armor layer and an outer sheath layer are arranged on the outer side of the cable core in sequence. A filling layer is arranged between the cable core and the lapping cabling layer. A first drainage wire is arranged between the lapping cabling layer and the main shielding layer. The cable core comprises a plurality of strands of stranded wire cores, each wire core comprises a set of insulation conductors twisted in pair, and colored tape layers, belting layers and split-phase shielding layers are sequentially arranged on the outer side of the insulation conductors twisted in pair. Second drainage wires are arranged between the belting layers and the split-phase shielding layers. Each insulation conductor comprises a tinned copper wire bunch stranded conductor, and the tinned copper wire bunch stranded conductors are coated with insulation layers. The flexible cable is reasonable and novel in structure, scientific and particular in material and low in capacitance and inductance, electric sparks are not prone to being generated, and intrinsic safety is achieved. Meanwhile, the excellent properties of flame retardance, interference resistance, oil resistance, ozone resistance and the like are achieved.

The invention provides a compact MIMO antenna and a communication device comprising the same. The compact MIMO antenna comprises a neutralization line and two antenna elements, namely a first antennaelement and a second antenna element. The first antenna unit and the second antenna unit are connected through a neutralization line, and the neutralization line includes at least one L-shaped bent portion; the antenna unit includes a trapezoidal radiation body, a ground point connected to the GND, and a feed point for transmitting a signal. The long bottom edge of the trapezoidal radiation body is far away from the GND setting; The long bevel edge of the trapezoidal radiation body is arranged close to the neutralization line; The first end of the long bottom side of the trapezoidal radiationbody is connected to the neutralization line, and the second end of the long bottom side of the trapezoidal radiation body extends with a radiation end, the end point of the radiation end is close tothe GND and is provided with a gap with the GND. The invention meets the requirements of small size, high isolation, simplified structure, high signal transmission performance and good anti-interference performance of the MIMO antenna.

The invention relates to the field of pin piece manufacturing, in particular to a novel making process of a cylindrical pin piece of a digital transmission connection pin. The process comprises the following steps of: (a) selecting materials: selecting a copper strip with width of 18-27.5 mm and thickness of 0.16-0.22 mm, and placing the copper strip on a swinging feeding device; and (b) high speed precision stamping and deep drawing: feeding the copper strip meeting specifications to a deep drawing progressive die by the swinging feeding device; carrying out continuous deep drawing on the copper strip until an outer pipe finished product meeting the specifications are deeply drawn by a multi-station continuous die. The novel making process provided by the invention has the advantages as follows: the production efficiency is greatly increased, the direct production cost is reduced and high accuracy and stable quality of a product are guaranteed; good mechanical strength and transmission performance are also achieved; it is proved by test that parameters of the product, such as mechanical strength, anti-interference property and the like, all meet specifications and standards in the industry, and compared with a copper rod turned piece, the product has the advantages of more stable performance and strong signal transmission effect.

The invention discloses a cable for nuclear magnetic resonance instruments, and belongs to the technical field of special wires and cables for medical instruments. The cable comprises a cable core, aninner braided layer, an outer braided layer, an isolation layer and a sheath layer. The inner braided layer, the outer braided layer, the isolation layer and the sheath layer are sequentially arranged outside the cable core, the cable core comprises a shielding layer, control lines and power lines, the control lines and the power lines are positioned in the shielding layer, the inner braided layer is positioned outside the shielding layer, tin-plated copper wires are braided to form the inner braided layer, tin-plated copper wires are braided to form the outer braided layer, the isolation layer is made of isolation paper, and the sheath layer is made of polyurethane and is extruded and coated outside the isolation layer by means of armor extrusion. The cable has the advantages that the cable is excellent in dielectric ability, the outer diameter of the cable core can be reduced, and the stability of dielectric constants and the excellent signal transmission capacity can be guaranteed;the cable is flexible and is excellent in electromagnetic interference resistance; the cable is high in strength and elastic modulus, is excellent in low-temperature resistance and alcohol tolerance,is excellent in resistance to chemical corrosion of ETO (ethylene oxide) and the like and is perfect in ultraviolet radiation resistance.

The invention discloses a discone antenna, comprising an upper disc, a center body and support bar parts. The center of the upper disc is provided with a hole which is used for installing the upper end face of the center body, and the tight cooperation between the hole and the upper end face of the center body is realized through an insulation pad. The lower end face of the center body is providedwith a hole for inserting the support bar, and the interference fit is adopted between the hole and the lower end face of the center body. The discone antenna comprises a short oscillator and a longoscillator. The outer surface of the upper disc is evenly provided with a slot for inserting the short oscillator. The periphery of the center body is evenly provided with a slot for inserting the long oscillator. The quantity of the short oscillators is preferably 12, and the quantity of the long oscillators is preferably 12. The discone antenna is in the shape of a conical surface, and is in a unsymmetrical structure. The center of the upper disc is connected to an internal conductor of a coaxial cable, and the conical surface is connected to an outer conductor of the coaxial cable. The longand short oscillators adopt metal rods. The invention is advantageous in that the discone antenna is a vertically polarized and horizontally omnidirectional broadband antenna; the structure is simple, and signal receiving and emitting capability is strong.

The invention relates to a communication cable special-purposed cable sheath material, and relates to the technical field of cable processing. The material is prepared from the raw materials of, by weight, 80-90 parts of linear low-density polyethylene, 10-14 parts of carbon black masterbatch, 8-10 parts of benzoyl peroxide, 8-10 parts of stearic acid, 15-25 parts of decabromodiphenyl ether, 15-25 parts of phosphite, 3-5 parts of a lubricant, and 4-6 parts of an antioxidant. The process flow is simple; raw material formulation is reasonable; and a sheath raw material is provided for communication cables. The material has the advantages of high insulation performance, high resistivity, low dielectric loss, strong signal transmission performance, and better application effect. With the material, communication cable reasonable application is ensured.

The invention discloses a silver-copper-coated aluminum alloy cable including a cable core. The cable core includes an aluminum substrate, a copper coating and a silver coating. The diameter of the aluminum alloy substrate is 0.2 to 3.2 mm. The aluminum alloy substrate comprises, by mass, 0.51 to 1.25% of Ni, 0.23 to 0.79% of Mg, 0.005 to 0.062% of Ag, 0.08 to 0.75% of Cu and the balance being Al and unavoidable impurities. The aluminum substrate is covered with the copper coating and the copper coating is covered with the silver coating. According to the invention, the aluminum substrate has good performance in electric conduction and signal transmission and is low in mass, so that convenience is made for cable erection or other purposes. Besides, since the aluminum alloy substrate is wrapped with the copper coating and the silver coating, the electric conduction performance of the outer layer of the silver-copper-coated aluminum alloy cable is improved further.

The invention discloses an intrinsic safety instrument flexible cable for ocean engineering, and relates to the technical field of cable manufacturing, in particular to the technical field of intrinsic safety instrument flexible cable manufacturing for the ocean engineering. The flexible cable comprises three mutually stranded wire cores, wherein a total warping layer, a total shield layer, an inner protection layer, an armor layer and an outer sheath layer are sequentially arranged on the outer sides of the three stranded wire cores; an external drainage wire is arranged between the total warping layer and the total shield layer; fillers are arranged between the three wire cores and the total warping layer; each wire core comprises a tinned copper wire bunch stranded conductor; insulating layers, unit shield layers and unit warping layers are sequentially arranged on the outer sides of the tinned copper wire bunch stranded conductors; and internal drainage wires are arranged between the insulating layers and the unit shield layers. The flexible cable is scientific, novel and reasonable in structure, advanced in technology and good in use performance, has the characteristics of excellent low capacity, low inductance, intrinsic safety, high signal transmission capacity, good anti-interference performance and the like, and has flame retardance, low temperature resistance, oil sludge resistance, water resistance and the like.

The invention discloses a flame-retardant fireproof marine work intrinsic safety instrument cable. The flame-retardant fireproof marine work intrinsic safety instrument cable comprises three groups ofmutually stranded wire cores; a general wrapping layer, a general shielding layer, an inner protection layer, an armoured layer and an outer sheath layer are arranged outside the three groups of stranded wire cores in sequence; an outer drainage wire is arranged between the general wrapping layer and the general shielding layer; fillers are arranged between the three groups of wire cores and thegeneral wrapping layer; each wire core group comprises a tin-plated copper wire beam stranded conductor; an insulating layer, a unit shielding layer and a unit wrapping layer are arranged on the outerside of each tin-plated copper wire beam stranded conductor in sequence; an inner drainage wire is arranged between each insulating layer and the corresponding unit shielding layer; and the outer sheath layer adopts an environment-friendly flame-retardant material with excellent performance. The flame-retardant fireproof marine work intrinsic safety instrument cable is simple in structure, novelin design, stable in structure, high in fireproof performance, and has excellent heat resistance, aging resistance, insulation performance and electrical performance, and high social benefit, economicbenefit and high market prospect.

The invention discloses an intelligent accelerator pedal and an electric car comprising the intelligent accelerator pedal and relates to the technical field of electric cars. The intelligent accelerator pedal comprises a sensor unit and a processing unit and is characterized in that the sensor unit is electrically connected with the processing unit, the sensor unit is used for collecting the action signal of the accelerator pedal and transmitting the action signal to the processing unit, the processing unit is used for generating a digital action signal according to the action signal and transmitting the digital action signal to a controller, and the controller can generate a control instruction for controlling the operation state of a motor according to the digital action signal. The intelligent accelerator pedal and the electric car are simple in structure and rich in function. In addition, the intelligent accelerator pedal is high in interference resistance and signal transmission ability.

The invention discloses a flexible printed circuit board connection terminal and a flexible printed circuit board with the flexible printed circuit board connection terminal. The flexible printed circuit board connection terminal comprises a circuit board and a connecting piece used for fixing the flexible printed circuit board end portion onto the circuit board. The connecting piece comprises an electrode which is arranged corresponding to the flexible printed circuit board end portion, and the two ends of the electrode are in electronic connection with the flexible printed circuit board end portion and the circuit board respectively. The flexible printed circuit board connection terminal and the flexible printed circuit board avoid the problem that the flexible printed circuit board is exposed, have good signal transmission capacity when the flexible printed circuit board and a connector are connected, and are high in signal transmission reliability.

The invention relates to the technical field of unmanned aerial vehicles, and discloses a power transmission and distribution line inspection unmanned aerial vehicle with high signal transmission performance, which comprises a vehicle body, a signal amplifier is fixedly mounted on the top of the vehicle body, a bird repeller is fixedly mounted on the left side of the top of the vehicle body, and a connecting pipe is fixedly mounted on the outer wall of the vehicle body. A driving assembly is fixedly mounted at the end, away from the machine body, of the connecting pipe, a mounting rod is fixedly mounted on the outer wall of the driving assembly, a protective cover shell is fixedly mounted on the outer wall of the mounting rod, a fan blade assembly is fixedly mounted at the top of the driving assembly, and a mounting base is fixedly mounted at the bottom of the machine body; and a rotating shaft assembly is fixedly mounted on the outer wall of the mounting seat. According to the power transmission and distribution line inspection unmanned aerial vehicle with the high signal transmission performance, a bird repelling device, a controller and a signal amplifier are fixedly mounted at the top of the vehicle body, a protective cover shell is fixedly mounted on the outer wall of a mounting rod, and a driving assembly and a fan blade assembly are enclosed through the protective cover shell.

The invention discloses a signal connection structure based on shape protection, an assembling method thereof and a packaging box body, and the signal connection structure comprises a housing which isprovided with a connector installation hole; and signal connector which is used for being mounted in the connector installation hole and comprises a connector shell, wherein the connector shell is ina shape with a wide bottom and a narrow top, and the shape of the connector installation hole is matched with the shape of the connector shell. When the connector is subjected to external pulling force, most pulling force is borne due to the blocking of the shape of the shell, so that the pulling force borne by the welding position of the circuit board and the signal connector is reduced, the connection strength is improved, and the signal connector is protected; and in addition, due to the fact that the bottom of the connector shell is wide and the top of the connector shell is narrow, no linear gap exists between the signal connector and the shell, the possibility of light leakage is greatly reduced, photons cannot pass through smoothly, the shading effect is achieved, and therefore theeffects of avoiding light leakage and enhancing connection firmness are achieved at the same time.

The invention relates to a flame-retardant and cold-resistant power feeding and signal cable and a preparation method thereof. The flame-retardant and cold-resistant power feeding and signal cable includes a center conductor, a liner layer, two or more sets of three-core twisted pair conductors, two or more sets of two-core twisted pair metal shielding conductors, an isolation layer and an outer sheath layer, wherein the liner layer wraps the center conductor, the three-core twist pair conductors and the two-core twisted pair metal shielding conductors are located at the periphery of the linerlayer, the isolation layer wraps the three-core twisted pair conductors and the two-core twisted pair metal shielding conductors, and the outer sheath layer is located outside the isolation layer. The flame-retardant and cold-resistant power feeding and signal cable of the invention has the advantages of compact structure, stable performance, high torsion resistance, high tensile resistance, highflexibility, high stability, small dielectric loss, strong transmission signal capability, high anti-interference performance, high reliability in transmitting weak analog signals or digital signals,and can be widely used in systems or devices for the detection and control of power generation, metallurgy, petroleum, chemical, textile sectors and other sectors and can be used under harsh field conditions under temperature of -50 to 100 DEG C.

The invention discloses an outdoor device for wireless network coverage in a park, which includes a housing, an upper cover is connected to the housing, and a plurality of fixing buckles are connected to the housing and the upper cover, and the fixing buckles are arranged symmetrically on both sides of the housing. There is a hinge between the housing and the upper cover, a signal inlet is provided at the center of the lower bottom of the housing, a hook is connected to a side wall of the housing away from the hinge, and a wireless antenna is connected to the upper top of the housing; the present invention One of the campus wireless network coverage users outdoor equipment, which uses a vein-shaped antenna, which has the characteristics of small size and stable signal transmission. Through the setting of the vein-shaped bracket, it is easy to disperse the wireless signal, so that the wireless network can be transmitted effectively. The range is wider; through the setting of the lightning rod, the antenna is not easy to suffer from lightning strikes or other damages during use; through the setting of double filters, it is easy to filter the signal impurities in the wireless network signal, making the transmission signal better. Easy for users to use.

The invention discloses a multi-scene flame-retardant photoelectric composite cable which comprises a first outer sheath, a fireproof layer, a first waterproof layer, a second outer sheath, a reinforcing layer, a second waterproof layer and a cable core. The first outer sheath, the fireproof layer, the first waterproof layer, the second outer sheath, the reinforcing layer and the second waterproof layer are sequentially arranged on the outer side of the cable core from outside to inside. According to the invention, the two layers of outer sheaths, the photoelectric composite cable core and the outer sheath of a butterfly-shaped optical cable form a three-layer sheath protection structure, and meanwhile, the fireproof layer is added, so that photoelectric signals can be transmitted in fire-prone areas, and the safety of the product is greatly improved.

The invention relates to the electric connector technical field and relates to a flat cable connecting terminal and a manufacturing method thereof. The wiring end of the terminal is provided with an electric conduction fixing connection portion; the electric conduction fixing connection portion is connected with a flat cable and is in electric conduction with the flat cable; a reinforcing wire connection portion extends out from the electric conduction fixing connection portion towards the extension direction of the flat cable; the reinforcing wire connection portion is fixedly connected with the flat cable; and the reinforcing wire connection portion and the terminal are fabricated integrally. A material belt is pierced, so that the terminals can be molded in the material belt in a split manner; the wiring ends of adjacent terminals on the material belt are molded in a batched manner; when the wiring end of a certain terminal is molded, the adjacent terminal of the terminal moves away, so that the wiring end of the terminal can be thinned, punched and molded; and the wiring ends of the terminals are molded alternately, so that rows of flat cable connecting terminals can be obtained through shaping. The manufacturing method is simple. The reinforcing wire connecting portion is additionally adopted and is fixedly connected with the flat cable, and therefore, the strength of the connection of the flat cable and the connecting terminal can be improved, the excellent signal transmission capacity of the flat cable can be ensured, and the service life of the flat cable can be prolonged.

The invention provides a method for uniformly and chemically gold-plating ITO (Indium Tin Oxide) wiring on a capacitive touch screen, which enables the gold-plating thickness of each wiring needing gold-plating and being arranged on the ITO glass to be uniform and the product stability and signal transmission capability of the touch screen to be good. The capacitive touch screen comprises a part to be plated and a part not to be plated of the ITO glass; the part to be plated is etched with the wirings, the part not to be plated is covered with a gold-plating protective film, sensing electrodes uniformly distributed in the part not to be plated at an X / Y direction are connected with an external structure by the corresponding wirings, and then the wiring of each touch glass is plated by adopting a chemical nickel plating process and a chemical gold plating process. The ratio of the area of the wirings which are mutually connected in the part to be plated to the area of the signal sensing electrodes at the X / Y direction in the part not to be plated is greater than 1%.

The invention discloses an electrical connector for electrically connecting a chip module, comprising: a circuit board, a plurality of conductive pads are arranged on the upper surface, a plurality of terminals, the terminals have a welding part, the The welding part is laser welded to the conductive pad, so that the welding part and the conductive pad are melted to form a molten pool, and a solder paste is provided around the molten pool, and the solder paste connects the soldered part to the conductive pad. The conductive gasket is welded, and the material of the welding part and the material of the conductive gasket are fused together by laser, so the strength of the welding part welded to the conductive gasket is very stable. When the chip module is pressed down During the terminal, the welding part will not be separated from the conductive pad, so as to ensure a good electrical connection between the electrical connector and the circuit board, and solder paste is provided around the molten pool, which increases the contact between the welding part and the conductive pad The area reduces the electrical impedance during signal transmission, thereby providing good signal transmission performance between the chip module and the circuit board.

The invention relates to a multilayer PCB circuit board, and the total layer number is an even number which is not smaller than 8. The multilayer PCB circuit board comprises a base board, and the base board comprises a first power supply layer and a first grounding layer which are vertically arranged; multiple second grounding layers and multiple second power supply layers are sequentially distributed on the upper surface of the first power supply layer from bottom to top in a staggered mode, and multiple third power supply layers and multiple third grounding layers are sequentially distributed on the lower surface of the first grounding layer from top to bottom in a staggered mode; a signal layer is arranged between the first power supply layer and the second grounding layer adjacent to the first power supply layer, between each second grounding layer and the corresponding second power supply layer adjacent to the second grounding layer, between the first grounding layer and the third power supply layer adjacent to the first grounding layer, between each third power supply layer and the corresponding third grounding layer adjacent to the third power supply layer, on the upper surface of the uppermost layer and on the lower surface of the lowermost layer. The multilayer PCB circuit board is reasonable in design, excellent in electromagnetic compatibility and high in anti-electromagnetic interference and signal transmission capacity, all the properties are more balanced, and the properties of electronic products are greatly promoted.

The invention provides a touch electrode structure, a touch substrate and a preparation method thereof, a display panel, and a display device, belonging to the field of touch technology, which can at least partly solve the uneven signal at different positions of the touch electrode in the existing touch substrate The problem. The touch electrode structure of the present invention includes: a touch electrode made of transparent conductive material; a signal line corresponding to the touch electrode, at least one insulating layer is arranged between the signal line and the touch electrode; A conductive structure, the auxiliary conductive structure is connected to the touch electrode at multiple positions; and a first insulating layer is provided between the auxiliary conductive structure and the signal line, and the touch sensor is connected to the first via hole in the first insulating layer. The signal line corresponding to the electrode is connected.

The invention discloses an aircraft. The aircraft comprises: a body, wherein an antenna controller is arranged in the body, and an access entry is formed in the antenna controller; and an antenna assembly, wherein the antenna assembly comprises a plurality of antennae, the antennae are connected in sequence through a connecting line, the antennae surround the body, and the antenna at one end is connected with the access entry. The antenna controller can be connected with the plurality of antennae in the antenna assembly through the access entry, so that the quantity of the access entry can bereduced, the antenna controller does not need to switch the using states of the antennae, and the cost of the aircraft can be reduced accordingly. Moreover, the antennae surround the body to effectively expand the coverage range of radiation signals of the antennae, so that a weak-signal area can be reduced or even avoided, the signal transmission capability of the aircraft can be improved, and the image transmission reliability of the aircraft can be improved.