72results about How to "Guaranteed signal transmission" patented technology

The invention relates to a radio frequency transceiving system and communication equipment. The radio frequency transceiver system comprises a radio frequency transceiver; and a radio frequency transceiving circuit which is connected with the radio frequency transceiver and comprises a first transceiving access, a second transceiving access, a first receiving access, a second receiving access and a third receiving access; wherein the first transceiving access and the first receiving access are configured to be respectively connected with one of the first antenna and the second antenna in a switchable manner through the switching circuit; the second transceiving access and the second receiving access are configured to be respectively connected with one of the third antenna and the fourth antenna through the switching circuit; the third receiving path is configured to be connected with a fifth antenna. The radio frequency transmit-receive system can switch and select the antenna with better signal for the first transmit-receive path on the premise of ensuring that the second radio frequency signal is not interrupted, thereby improving the communication quality of the radio frequency transmit-receive system.

An I2C / SPI control interface circuitry, an integrated circuit structure, and a bus structure thereof are provided. The I2C / SPI control interface circuitry includes an I2C control module and a SPI control module. The I2C control module has an I2C clock port and an I2C data port, and the SPI control module has a SPI clock port, a SPI data input port, a SPI data output port, and a SPI chip enable port. The I2C clock port is electrically connected with the SPI chip enable port to become an I2C clock / SPI chip enable input / output end. The I2C data port is electrically connected with the SPI data input port and the SPI data output port to become an I2C / SPI data input / output end. The SPI clock port is the SPI clock output end. The I2C and SPI control module are alternative to be enabled to avoid signal interference and lower the cost of the package and the manufacture of the integrated circuit.

The invention discloses a particle impact noise detection analyzer, and the analyzer controls an excitation device to carry out vibration, impact and rotation, and enable redundant materials in a detected part to generate a displacement relative to a housing and generate a sound wave signal. The signal is transmitted to a host through a sensor, and the host and solidification software carry out automatic comparison, analysis and judgment of types of redundant materials and generate a test report. The analyzer can judge and analyze whether there are movable redundant materials in small, middle and large aviation, aerospace, electron, weapon and ship equipment or not, and analyzes the types of the redundant materials. The beneficial effects of the invention are that the analyzer achieves the multi-point synchronous testing and modularized combined testing of the size of a platform top, independently distinguishes the signals of all detection points, customizes a movement execution program, achieves the simultaneous inputting of 4-64 detection signals, can be flexibly attached to the irregular curved surface of a non-plane detected part, guarantees that the transmission of signals is not attenuated, and analyzes the number and material of movable redundant materials through combining a database.

A master device and slave device communication circuit comprises a master device, a slave device and a bus, wherein the master device comprises a microcontroller, a power source module and an address setting module; the slave device comprises a microcontroller and a power source module; the power source module of the master device is connected with the power source module of the slave device by the address setting module; the address setting module is used for detecting total currents output by the master device and outputs an ID address setting signal in proportionality constant to the totalcurrents to a new accessed slave device and the master device according to the total currents; the new accessed slave device correspondingly sets an ID address according to the ID address setting signal; and the master device records the ID address that is the ID address of the new accessed slave device according to the ID address setting signal. The master device and slave device communication circuit can automatically set the ID address of the slave device.

The invention discloses an intelligent production system of a high-molecular environmental protection material. The intelligent production system comprises a centralized sever, an operator mobile phone and a plurality of integrated production devices; the integrated production devices comprise a sieving mechanism, a material stirring and mixing mechanism, a packing auger conveyance device, an adjustable flattening conveyance mechanism, a microwave drying device and a final-stage auger grinder; the material stirring and mixing mechanism comprises a support table; a diatom powder grinding weighing device is arranged at the left end of the support table; a material mixing meter is arranged at the right end of the support table; a cylindrical stirring container is arranged below the support table; a lifting device is arranged above the cylindrical stirring container and fixedly arranged below the support table; a first stirring motor is arranged at the lifting end of the lifting device; the microwave drying device and the final-stage auger grinder are in sequence arranged behind the adjustable flattening conveyance mechanism. The intelligent production system is simple in system framework and capable of being regarded as an auxiliary device for producing environmental protection materials and being intensively controlled.

The invention belongs to a distributed redundancy control system communication technology, and relates to a method for improving the distributed redundancy control system communication technology. The method is characterized in that: functional characteristics and time sequence arrangements of each set of equipment in the distributed control system are planned and considered according to a method for planning a bus time window in advance, so that signal transmission between a main processor and onboard equipment is ensured to be finished within a bus period. The data transmission timeliness is improved, and the time delay of data transmission of the distributed redundancy control system is reduced; and therefore, the instantaneity of the whole system is guaranteed.

The color filter on array substrate comprises a gate line, a data line, a common electrode layer and a black matrix, wherein: the black matrix is positioned between the gate line and the common electrode layer and / or the data line and the common electrode layer; and the material of the black matrix is a metal material. The present disclosure is applied in the technology of manufacturing display means.

The invention discloses landslide monitoring station equipment based on a Beidou satellite. The equipment comprises a support column, the lower end of the support column is pre-embedded under a monitored mountain slope ground, the upper end of the support column is connected with the bottom surface of a protection shell, a climbing ladder is fixed on the support column, side surfaces of the protection shell are reticular structures, a storage battery and a monitoring station are fixed in the protection shell, the storage battery is connected with the monitoring station, one terminal of a spring pillar is connected with the monitoring station, the other terminal of the spring pillar is connected with an inner wall of the protection shell, the upper surface of the protection shell is provided with a solar cell panel and a wind power generator, and the solar cell panel and the wind power generator are both connected with the storage battery. According to the equipment, the design is reasonable, the usage is facilitated, the monitoring station is protected, signal transmission is guaranteed, and the transmission of monitoring information is smooth.

The invention provides an array substrate repairing method, an array substrate, a display panel and a display device. The array substrate comprises an underlayer substrate, a storage capacitor, switching diodes, grid lines and data lines, and multiple pixel areas are defined by the grid lines and the data lines; capacitance plates are arranged between the common line of the storage capacitor and apixel electrode in each pixel area; the capacitance plates comprise a first capacitance plate and at least one second capacitance plate, the first capacitance plate and the second capacitance plate are separately arranged, the first capacitance plate is close to the switching diode corresponding to the pixel area, and the first capacitance plate is electrically connected with the drain of the switching diode and meanwhile electrically connected with the pixel electrode; and the second capacitance plate is electrically connected with the pixel electrode. According to the method provided by theinvention, the broken area of the data line on the array substrate can be effectively repaired, the normal display function of the pixel unit can be ensured, meanwhile the dark spot operation of thepixel unit is not affected, and the display effects of the display panel and the display device are ensured.

The invention discloses an oil spill alarm buoy device for fixed-point observation. The device comprises a buoy main body and a plurality of working boxes uniformly mounted on a buoy, and an auxiliary observation part used for avoiding excessive shaking of the buoy and further improving the accuracy of observation data and the stability of data transmission is arranged in each working box. The oil spilling alarm buoy device with the fixed-point observation function is different from the prior art, the buoy main body is placed at a designated working place, the buoy main body is prevented from fluctuating to a large extent in severe weather with large stormy waves; the shaking degree of the buoy main body is greatly reduced through the auxiliary observation part; and by reducing data measurement errors and ensuring normal signal transmission between an antenna and Beidou satellites, the accuracy of the observation data is improved, and the accuracy of oil storage tank observation is further ensured.

The invention provides an unmanned helicopter electrical system design method in which a power manager, a standby storage battery, a generator, a rectification module, an external power supply, a night navigation lamp, a health management system, a load, a data link communication system, a flight control system, a rudder control system and an accelerator steering engine are arranged. The unmannedhelicopter electrical system design method is a universal unmanned helicopter electrical system design method, electrical system design can be carried out according to the overall requirements, the system should work reliably in any flight state, and the average fault interval time should meet the overall requirements of an airplane.

The present invention relates to an ignition and pressure measurement device comprising a spark plug (2) having: an outer body (14); a pressure sensor (34) mounted on said outer body (14) and comprising a signal output terminal (38); a supporting tube (4) nested on an upper end of the outer body and carrying electronic means (44) for processing said signal; a conductive element (46) fixed to the output terminal (38) of the pressure sensor and to a terminal for the insertion of the electronic processing means (44); and a metallic envelope (6) surrounding the supporting tube, the electronic processing means and the pressure sensor. Said envelope comprises gripping means (60) for mounting the device in a cylinder head, and is fixed, at the lower end thereof, to the outer body of the spark plug.

An antenna device includes a bearing plate and a chip antenna. The bearing plate is internally provided with a coupling adjustment component and a signal transmission conductor. The coupling adjustment component includes ground plates and coupling conductors. The ground plates are arranged in the corners of the bearing plate. The coupling conductors are electrically connected with the chip antenna. The signal transmission conductor includes a transmission plate and bulges. The bearing plate is provided with a limiting part and a connecting hole on the side facing the chip antenna. The chip antenna is arranged in the limiting part. The limiting part is provided with a positioning through hole. The chip antenna is internally provided with an emitting conductor unit which is electrically connected with the transmission plate. Through the design of the coupling adjustment component, the coupling in the antenna device can be adjusted, level fluctuation caused by too large or too small coupling is prevented, and the signal transmission efficiency of the antenna device is improved. Through the design of the ground plates, the leakage phenomenon of the shell of the chip antenna due to thedegradation of the insulation performance is prevented, and the signal transmission efficiency of the antenna device is improved.

The invention discloses an inter-board floating radio frequency connector, and the connector comprises an inner conductor, a first outer conductor, a second outer conductor, a spring, a first shell, asecond shell and an insulating medium. According to the floating radio frequency connector, the structures of the outer conductor and the shell of the floating radio frequency connector in the priorart are changed, the second flange is arranged on the first outer conductor, the second flange of the first outer conductor is always in contact with the inner wall of the second outer conductor in the floating process of the connector, and the signal transmission of the outer conductor is ensured; the sliding block is arranged on the first shell, the sliding groove is formed in the second shell,in the floating process of the connector, the stroke of the sliding block on the first shell is limited through the sliding groove of the second shell, the floating range of the connector is limited,and due to the fact that the shells are high in strength and deformation resistance, the reliability of the connector is greatly improved. The connector is low in cost, is convenient to install, can achieve the low-dwarf and stable electric connection, and solves problems that a conventional connector is large in number of assembly operations and is high in cost.

The invention discloses a shielded low-smoke and low-toxicity signal cable for a subway, relating to the technical field of cable structures. The shielded low-smoke and low-toxicity signal cable comprises two groups of cable cores, wherein each group of cable cores comprises two cable cores, a segregation grease band wrapped covering and a branch shielding layer; each cable core comprises a conductor respectively; a mica fire-resistant layer is wrapped outside the conductor; a halogen-free and low-smoke insulating layer is extruded outside the mica fire-resistant layer in a wrapping manner; the segregation grease band wrapped covering is formed on the peripheries of two cable cores; the branch shielding layer is formed on the periphery of the segregation grease band wrapped covering; the peripheries of the two groups of cable cores are provided with total segregation grease band wrapped coverings, total shielding layers, compound water-proof layers, armor layers and halogen-free and low-smoke outer jackets in sequence from inside to outside; and a polypropylene filler is arranged between the two groups of cable cores and the total segregation grease band wrapped coverings. The shielded low-smoke and low-toxicity signal cable has the properties of fire resistance, waterproofness, prevention of insect pest, small amount of smog during combustion, less release of small quantity of toxic gases, and the like, and can be widely applied to subway and light rail signal control systems.

The invention provides a CMOS image sensor wafer scale packaging method comprising the steps that a wafer is provided, the wafer is provided with multiple image sensor chips, cutting channels are arranged between the image sensor chips, each image sensor chip is provided with a light-sensitive area and a non-light-sensitive area, the light-sensitive area is provided with pixel units, and the non-light-sensitive area is provided with first electrodes; a supporting frame is provided, the supporting frame is fixed on the image sensor chips, the internal side of the supporting frame is open and the light-sensitive area is exposed, the supporting frame does not completely cover the first electrodes, a conductive layer is formed on the surface of the first electrodes and the supporting frame and electrically connected with the top contacts of the supporting frame; and the wafer is cut along the cutting channels so as to form packaging members.

The invention discloses a communication control method and device and communication equipment, wherein the method comprises the steps: obtaining a current use state of the communication equipment which comprises at least two first antennas needed by a first communication type and at least two second antennas needed by a second communication type, and the current use state at least comprises that the communication module of the first communication type is in a running state; according to the current use state, obtaining communication limitation parameters of different radio frequency emission paths corresponding to different working frequency bands on the communication module of the first communication type in the current use state; and in the current use state, if the communication module of the first communication type works based on a first working frequency band, limiting signal transmission of a radio frequency emission path corresponding to the first working frequency band through a communication limiting parameter corresponding to the first working frequency band.

The embodiment of the invention discloses a gateway switching and binding method and device for an Internet of Things terminal. According to the technical scheme provided by the embodiment of the invention, each Internet of Things gateway receives one or more test signals broadcasted by the same Internet of Things terminal, and generates a signal transmission quality list of the Internet of Thingsterminal corresponding to each Internet of Things gateway; the cloud selects one Internet of Things gateway as a first communication relay between the Internet of Things terminal and the cloud basedon the signal transmission quality list, so that the first communication relay and the Internet of Things terminal perform service data transmission based on the first binding relationship and the first session key; and when it is detected that communication abnormity occurs between the cloud and the first communication relay, the cloud reselects one Internet of Things gateway as a second communication relay of the Internet of Things terminal based on the signal transmission quality list. By adopting the technical means, the signal transmission effect of the Internet of Things system can be optimized, and the signal transmission security and the signal transmission performance between the Internet of Things terminal and the gateway are ensured.

The invention discloses a branch cable and equipment employing the same. The branch cable comprises a multi-core access cable, a multi-core jumper cable and at least two connecting pieces with a plurality of wiring terminals, wherein each core wire of the multi-core access cable is used for transmitting a path of core wire signals, and all the core wire signals form a signal set; each of the corewires of the multi-core access cable is directly connected to one wiring terminal of the connecting pieces; the wiring terminals directly connected with the core wires of the multi-core access cable are at least distributed on the two connecting pieces; and each wiring terminal directly connected with the core wire of the multi-core access cable is connected with one wiring terminal of each connecting piece through the multi-core jumper cable which is jumped among the connecting pieces, so that all the core wire signals of the signal set can be accessed to each connecting piece, and at most one path of the core wire signals is accessed to any wiring terminal of each connecting piece. The manufacturing difficulty of the branch cable can be remarkably reduced.

An electromagnetic pulse protection method for an aircraft communication and navigation system, which includes an antenna and a transceiver, and a suppressor is connected in series between the antenna and the transceiver, and the suppressor is an independent structure that encapsulates suppression components. The suppressor is provided with a mounting base and two connecting plugs, one of which is a pin plug for connecting with an antenna, and the other connecting plug is a female plug for connecting with a transceiver.

The invention relates to an optical fiber adapter comprising an adapter shell. A sleeve of which the axis extends along the left-right direction is arranged inside the adapter shell. The left end of the adapter shell and the sleeve is a left plug end for a first optical fiber plug to be plugged into. The right end of the adapter shell and the sleeve is a right plug end for a second optical fiber plug to be plugged into. At least one plug end is equipped with a sealing ring used for being in seal fit with the corresponding optical fiber plug. Through the sealing rings, the corresponding optical fiber plugs can be plugged into the optical fiber adapter in a sealed manner, it is ensured that the optical fiber adapter has a waterproof and dustproof sealing function after the corresponding optical fiber plugs are plugged, and the optical fiber adapter can be used in occasions with waterproof and dustproof requirements.

The invention discloses a self-monitoring signal feedback automatic temperature measurement high-temperature-resistant control cable. The cable comprises multiple groups of wire cores, wherein each wire core comprises a conductor, an insulating layer is extruded outside the conductor, a detection device is arranged outside the insulating layer, the detection device comprises a temperature detection device and a signal detection device which are symmetrically arranged, the cable adopts two side detection devices, the temperature detection device is arranged on one side, and the signal detectiondevice is arranged on the other side. The cable is advantaged in that an operation state and an operation signal of the cable can be monitored in real time during normal operation of the cable.

The invention discloses a tinned copper alloy conductor production process and a tinned structure, and relates to the technical field of conductors, the tinned copper alloy conductor production process specifically comprises the following steps: step 1, removing surface oxides of a copper-aluminum-rare earth alloy blank by a polisher to obtain a copper-aluminum-rare earth alloy ingot; secondly, the aluminum alloy cast ingot is stretched through a water tank type drawing machine, drawing oil is sprayed synchronously during stretching, the drawing speed is 400 m / min, a bus is obtained, and the diameter of the bus is 2.05 mm; 3, a wire drawing machine carries out wire drawing treatment on the bus to obtain a wire rod, and the wire diameter of the wire rod is 0.8 mm; through the mode, the copper-aluminum rare earth alloy is replaced by the copper alloy wire, under the corrosion resistance of the copper element in the copper-aluminum rare earth alloy and the synergistic effect of the copper element and the aluminum element, the conductivity is not reduced while the surface oxidation resistance is improved, the weldability and the signal transmission of the wire are ensured, and meanwhile, the copper alloy wire has the advantages of being simple in structure and low in cost. And the soft wire can be conveniently mounted in the tinning structure during tinning.

The invention discloses an electrical connector of a vehicle body. The electrical connector comprises a shell, wherein an installation surface is arranged on a side surface of the shell, a plurality of rotors and stators are arranged on the installation surface, the rotors and the stators are vertically and symmetrically arranged and penetrate through the installation surface, the stator and the stator are respectively connected with wires at one side of the shell, each rotor comprises a contact end, and the contact end is connected with an elastic mechanism. The electric connector, which is high in alignment accuracy and stable in signal transmission, of vehicle body is provided by the invention, the rotors and the stators of the electrical connector are high in electrical connection accuracy and long in service lifetime, and the electrical connector has the advantage of low transmission fault ratio and is not liable to damage.

A PVC insulating cable disclosed in the invention comprises a cable body and a pulling mechanism, wherein the surface of the cable body is provided with an anti-slip stripe, and the outer part of thecable body is provided with a pulling mechanism, the inner part of the cable body is provided with a power wire core conductor near a center position, the power wire core conductor is arranged aroundthe cable body, and the outer part of the power wire core conductor is wrapped with a first water stop layer. A pull mechanism is provided, the invention is convenient for the worker to pull the position of the cable body by using a pulling mechanism, heat preservation layer is provided, the phenomenon of freezing and cracking on the cable body is avoided, a shield hollow layer, a shielding particle fil layer, a hollow straight column and a shielding liquid adsorbing cotton layer are arrange, that signal interference ability of the cable body is increased, a heat shrinkable outer protective layer is arranged, the cable body can be protected, a flame retardant layer is arranged, and the phenomenon that combustion occurs due to high heat of the power wire core conductor inside the cable bodycan be avoided.

The invention relates to an angle measuring system (100) and to a method for determining an angular error between a rotational angle value ascertained by means of an angle measuring system (100) and areference value. The rotational angle value is ascertained from a rotational angle signal of a rotational angle sensor (110) in an analysis unit (120) of the angle measuring system (100), which has the rotational angle sensor (110) and the analysis unit (120). The reference value is ascertained from a reference angle signal in the analysis unit (120) of the angle measuring system (100), and the angular error between the rotational angle value and the reference value is determined in the analysis unit (120) of the angle measuring system (100).

The embodiment of the invention relates to the field of microwave communication, and discloses a waveguide interface structure. The waveguide interface structure provided by the embodiment of the invention is used for electrically connecting a first waveguide and a second waveguide, and comprises an elastic electric connection part and a fixing part connected with the electric connection part, the fixing part is used for abutting against the end face of the first waveguide, and the electric connection part is enclosed to form an opening through which electromagnetic waves pass. And the electric connection part is elastically pressed between the end face of the first waveguide and the end face of the second waveguide and is electrically connected with the first waveguide and the second waveguide. The waveguide interface structure provided by the embodiment of the invention can reduce the processing difficulty of the waveguide structure on the premise of ensuring the normal signal transmission of the waveguide interconnection channel, and is suitable for the use scene of large-gap random tolerance.

The invention discloses an anti-explosion heat dissipation type computer cable, comprising a cable core. The cable core is formed by oppositely twisting a pair of insulated wire cores; the outside ofthe cable core is filled with a glass fiber tape, an inorganic thermal insulation fire protection layer is arranged outside the cable core, a steel belt shielding layer is arranged outside the inorganic thermal insulation fire protection layer, a halogen-free flame retardant polyethylene woven belt is arranged outside the steel belt shielding layer, an elastic buffer layer is extruded outside thehalogen-free flame retardant polyethylene woven belt, and a high flame retardant three-low smoke halogen-free flame retardant environment-friendly type anti-explosion sheath layer is arranged outsidethe elastic buffer layer; a filling position of the cable core is further provided with a flow guiding copper alloy hose in which water cooling liquid is added. The anti-explosion heat dissipation type computer cable has the characteristics of anti-explosion, fire retardance, heat dissipation, anti-electromagnetic interference and the like, the cable structure is simple, the signal transmission isstable, the anti-electromagnetic interference performance is outstanding, and the cable can stably operate for a long time in the severe environment.

The invention discloses a train coupler connector with a network function, The connector is a column structure comprising a socket and a plug. The connector is provided with a network connector. The plug and the socket of the network connector are respectively arranged in the plug and the socket of the train coupler connector. The plug and the socket of the network connector are connected with thetrain coupler connector by adopting a floating structure. The scheme integrates the network connector on the traditional train coupler connector, which reduces the connector and improves the integration level of the connector from the electric connection structure between two trains. The floating structure design of the network connector is innovatively adopted, so that when the whole network connector is subjected to external force, the external spring and sliding sleeve of the network plug can counteract the force, compensate the network plug, reduce the influence of the external force on the internal pin of the network plug, and ensure the signal transmission of the connector.