297results about How to "Achieve shielding" patented technology

The invention discloses a SiC dual-groove metal-oxide-semiconductor field-effect transistor (MOSFET) device integrated with a Schottky diode. Two grooves are formed in an original cell structure of an active region in the SiC dual-groove MOSFET device and are respectively a gate groove and a source groove, the gate groove is formed in the center of the original cell structure, the source groove is formed in the periphery of the gate groove, doping with a conductive type opposite to that of a drift region is performed in the peripheries of the bottoms of the gate groove and the source groove, Schottky contact is arranged at a central region of the bottom of the source groove, and the Schottky diode electrically communicating with a source is formed, ohmic contact is formed between the periphery of the bottom of the source groove and a doping region with the conductive type opposite to that of the drift region, and the depths of the two grooves are larger than that of a p base region. With the adoption of a source and gate dual-groove structure, the doping with the conductive type opposite to that of the drift region is performed on the peripheries of the bottoms of the gate groove and the bottom of the source groove, thus, the shielding of an MOS gate is achieved, and the gate reliability is improved; and meanwhile, an electric field of the base region can be shielded, and the base region is prevented from being penetrated; and moreover, an MPS Schottky diode having high surge capability is integrated.

The present invention provides a contact unit and a contact module comprising the same, a connector and a connector module. The contact module comprises a male connector and a female connector which respectively correspond to a male contact unit and a female contact unit, the male contact unit and the female contact unit respectively correspondingly comprise male and female end differential pairsand male and female end shielding pieces, the male end shielding piece is a groove-shaped shielding piece, the two sides of the groove-shaped shielding piece are respectively located at the two sidesof the male end differential pair, the extension direction of the groove-shaped shielding piece is the same as the extension direction of the corresponding differential pair, the male contact unit further comprises a grounding contact piece relatively fixedly arranged with the shielding piece, the grounding contact piece has a contact arm, and when the male contact unit and the female contact unitare plug-in, the two sides of the contact arm are respectively in contact with the side of the groove-shaped shielding piece of the male end and the female end shielding piece. Therefore, the male end shielding piece and the female end shielding piece form a shielding cavity configured to encircle the plug-in differential pairs so as to reduce the crosstalk.

The invention relates to a restrictive region permission authentication device based on visible optical communication. The device comprises an LED (Light Emitting Diode) controller, a photoelectric receiver, a safety management host and a user host. The LED controller is connected with the safety management host. The photoelectric receiver is connected with the user host. A file encryption methodcomprises the following steps of: 1, numbering files in a unified manner through a file permission management program, hiding in ciphertexts of the files, and distributing to users; 2, numbering fileusers in a unified manner through the file permission management program, and correspondingly establishing a permission database according to user permissions and numbers of the encrypted files; 3, encrypting information and secret keys in the permission database through the file permission management program, and broadcasting the information in a restrictive region through interface equipment; 4, decrypting the permission information and the secrete keys through a file permission service program, and inquiring the user permissions with input user numbers; and 5, regularly executing the step 3 according to application environment requirements, and updating the permission information and the secrete keys till the system stops working.

The invention discloses a method for screening junk messages and caching the message received in a time interval; by mutually comparing the contents of the messages and taking out the messages which have the same contents or reach a similarity threshold, the messages with different contents are sent; the position information of a terminal device corresponding to the messages with the same contents is obtained; if the position information of the terminal devices corresponding to the messages with the same contents are different, the messages corresponding to the terminal device are sent out; otherwise the invention judges if the amount of the messages corresponding to the terminal device with the same position information reaches a frequency threshold; the messages reaching the frequency threshold and corresponding to the terminal device are deleted; the messages which do not reach the frequency threshold and are corresponding to the terminal device are sent out. The method for screening the junk messages and caching the message received in the time interval overcomes the disadvantages that a 'blacklist' is adopted to prevent and treat the junk message by way of simply limiting a flow, thereby realizing the screening of the junk message, guaranteeing a normal communication in the mode of the message, restraining the junk message, protecting a telecommunication subscriber from being harassed by a large number of junk messages.

The invention relates to a flexible substrate package-based shielding structure and a manufacturing process thereof. The shielding structure comprises a flexible substrate which is coated on a component, wherein a potting adhesive is filled between the flexible substrate and the component; at least one shielding layer is coated on the flexible substrate; the shielding layer is grounded or connected with a power supply; a plurality of packaging pins are arranged on an outer surface of the flexible substrate with the shielding layer; the packaging pins are electrically connected with the flexible substrate; and the flexible substrate is interconnected with a printed circuit board through the packaging pins. For the flexible substrate package-based shielding structure, the manufacturing process is basically mature, the packaging weight is light, and the sensitivity of a miniature packaging system can be effectively improved.

The invention provides group control device and method for a multi-robot welding system. The device mainly comprises a positioning machine, a PLC electric cabinet, a plurality of welding robots, a welding machine and other parts; the system in on the basis of a communication model of a CC-LINK field bus, the PLC is treated as a working main station, all robots are equipped with CC-LINK communication cards to be used as secondary stations, and the main station and the secondary stations are equipped with detailed control signal sheets for realizing main-secondary information sharing and real-time feedback; in case of a specific complex component, the working area of each robot can be reasonably divided, the quantity of robots for welding can be flexibly selected, a touch screen is operated for human-computer interaction, and therefore, the states and parameter settings of each robot, welding machine, positioning machine and other devices can be monitored conveniently, and as a result, the whole system can be simply, safely, flexibly and efficiently controlled.

The invention discloses a mobile platform advertisement filtering method, comprising the following steps: characteristic codes of a mobile advertisement platform are collected and an advertisement code database is established; when an application program is connected to the network and makes a request for data acquisition, a low-level code analyzes the content of the request and acquires the characteristic codes of the request; and the requested characteristics codes are compared with the advertisement characteristic codes in the advertise advertisement characteristic code database, thus the filtering is completed. Based on the mobile platform advertisement filtering method, some advertisement characteristic codes of the mobile advertisement platform are collected, the requested characteristic codes are scanned one by one when the application program makes the request for data acquisition to the network and compared with the advertisement characteristic codes by using the advertisement characteristic codes as the filtering standard so as to finally achieve the reliable characteristic code filtering and prevent the application from acquiring the advertisement codes; the characteristic code database can be regularly maintained and updated with the method to achieve the shielding of latest advertisements and avoid the unshielded advertisement, the effect of advertisement filtering is good, and the reliability is high.

The invention relates to a human body temperature measuring method based on an infrared human face detection technology. The method comprises following steps: when over-temperature points appear on aninfrared image obtained by an infrared temperature measurer, judging whether the over-temperature points stay in a human face area of a moving infrared image in the infrared image; if the over-temperature points stay in the human face area of the moving infrared image, utilizing a matching algorithm to find an area, which is corresponding to the human face area in the infrared image, in a visiblelight image; using a visible light human face detection technology to judge whether a human face area exists in the area, which is corresponding to the human face area in the infrared image, in the visible light image; if the result is positive, taking the over-temperature points as alarming temperature points, and giving off an alarm. The false alarm caused by image matching and synchronizationbetween infrared light and visible light is avoided, and missed alarm caused by light and skin sensitivity of a visible light human face detection technology is prevented.

The invention relates to a voice interference method, which comprises the flowing steps: firstly, interfered voice signal acquiring; secondly, voice signal processing; thirdly, interfering signal output. The first step also comprises the steps of interfered voice signal acquiring, converting acquired signals into electrical signals, and converting electrical signals into digital signals; the second step also comprises the steps of obtaining digital signals through the first step, and producing interfering signals; the third step also comprises the steps of converting interfering signals into corresponding electrical signals, further amplifying electrical signals and outputting interfering sound, and mutually superposing interfering sound and interfered voice in space to realize the final interference effect. The method has the advantages that the pertinency of interference is high, the output interfering sound is mild, the noise pollution to the surrounding environment is small, and the normal communication among others is not influenced. The voice interference method can be applied to the voice interference in an enclosed space or the voice signal interference in an open space.

The present invention provides an interception method of short message, including following steps: registering shield request to home location register; judging short message whether meeting shield request or not when the mobile center receiving short message, determining no movable terminating short message flow or not to intercept short message from shield signal. The invention also provides a short message interception system. By this invention, shield of message number such as special user number short message, garbage short message, noisy short message is processed by user according to needs, this improves satisfaction.

The embodiment of the invention discloses a video processing method and apparatus, a terminal and a storage medium. The method comprises the following steps: obtaining a video frame; identifying character image information in the video frame; and shielding other characters excluding a preset character in the video frame according to the identified character image information to obtain a processedvideo frame. By adoption of the technical scheme provided by the embodiment of the invention, by shielding the other characters excluding the preset character in the video frames in a video process, the information of the other characters who do not participate in a video in the surrounding environment of the video is shielded, thereby protecting the privacy information of the other characters, reducing the risks of accidental privacy leakage and improving the privacy security.

The invention discloses a masking system and method of timely communication information, which comprises the following parts: receiving unit, which receives the timely communication information, first display unit, which displays the timely communication information of linker and group in the non-masking condition to modify the condition of all linkers and group of user into non-masking condition during triggering demasking operation; temporary storage unit, which reserves the timely communication information of linker and group in the masking condition. The invention reduces the complex operation of mask setting for each link and group separately, which realizes the mask of all linker and group information through one-time masking operation.

The invention discloses a satellite-borne high-power power conditioning unit platform of an extensible structure. The satellite-borne high-power power conditioning unit platform of the extensible structure comprises a plurality of function modules, remote control and remote measurement flex-rigid printed boards, main error amplifier EMA modules, complete machine bus bars, an upper cover plate, a rear cover plate and side cover plates, wherein the function modules comprises the charge-discharge conditioning modules, the shunt conditioning modules and the remote control and remote measurement modules, the number of the charge-discharge conditioning modules and the number of the shunt conditioning modules are determined according to a power design objective, the main body of each function module is of a wholly-hollowed-out pentahedron structure, the side cover plates are installed after all the function modules are vertically arranged in a stacked mode, every two adjacent function modules are connected with each other through a protruding lug, each remote control and remote measurement flex-rigid printed board is installed in a cavity in the top of the corresponding function module, each error EMA module and each complete machine bus bar are installed in two cavities in the back side of the corresponding function module respectively, and the overall arrangement of the interior of each function module is layered and three-dimensional. The satellite-borne high-power power conditioning unit platform of the extensible structure can meet the environmental testing requirement of satellite-borne electronic equipment and can also meet the heat radiating requirement of a complete machine.

The invention provides a protective composite material, which comprises a protective layer, a functional layer and a comfort layer stacked in order; from the end of the protective layer, the functional layer includes a nuclear radiation shielding layer, an electromagnetic shielding functional layer and a textile substrate which are sequentially stacked, or, the functional layer includes the nuclear radiation shielding layer and the textile substrate which are sequentially stacked; and from a fabric substrate end, the comfort layer includes a neutron protective coating and a polypropylene high-molecular substrate which are sequentially stacked. The invention also provides a preparation method of the protective composite material. The protective composite material has multiple functions of flame retardation, static prevention, anti-ionization / electromagnetic radiation and neutron protection, and can be used for processing nuclear radiation protective clothing and protective tents, flexible protective screens and the like.

The invention provides a full-band examination place radio signal shielding device. The shielding device comprises a fundamental frequency interference unit and a plurality of jump frequency interference units; a modulation signal generator of the fundamental frequency interference unit is sequentially connected with a modulator, a radio frequency unit and an antenna thereof; a fundamental frequency signal generator is connected with the modulator; each jump frequency interference unit comprises a jump frequency signal generator, a digital frequency converter, a radio frequency unit and an antenna thereof which are sequentially connected; and all the digital frequency converters are sequentially connected, and the digital frequency converter of the first path is connected with the modulator in the front. The fundamental frequency source provides a low-end interference signal source, and signals of different bands are acquired by jump difference frequency, so that shielding of all available bands is realized. Aiming at the mode and the technical condition of current radio communication, the shielding device can implement all-directional, full-band and seamless carpet covered interference shielding of bands in a range of 50 to 2,500MHz.

The invention discloses a plastic shell connector with a shielding and high-voltage interlocking structure, which comprises a plug and a socket, wherein the plug comprises a plug shell and a plug rubber core; the socket comprises a socket shell and a socket rubber core; a plug shielding net is sheathed on the plug rubber core; a connecting part is arranged on the outer wall of the plug shell, an elastomer is arranged on the connecting part, a holding hole is arranged on the connecting part, a plug interlock piece is arranged in the holding hole, and the plug interlock piece comprises a bending part, mounting parts and a stopping and guiding part; a snap is arranged on the elastomer; a socket shielding net is sheathed on the socket rubber core; a buckling plate is arranged on the socket shell, and a buckle matched with the snap is arranged on the buckling plate; the plug interlock piece is arranged on the buckling plate and comprises a buckling part and a stopping part; and when the plug is inserted into the socket, the buckling part is positioned between the two mounting parts, and the stopping part is positioned in the bending part. According to the connector, the technical problems of the irradiation to outside and the control of a high-voltage interlock signal circuit on a main circuit can be solved.

The invention discloses a method for converting a source IP address and a destination IP address, which comprises the steps that: terminal network equipment configures the source IP address of sending a message into the IP address of the terminal network equipment, configures the destination IP address of sending a message into the IP address of IP address conversion equipment and sends the message to the IP address conversion equipment; the IP address conversion equipment configures the source IP address of the obtained message as the IP address of the IP address conversion equipment, configures the destination IP address of the message as the IP address of an application server and sends the message to the application server; the IP address conversion equipment stores corresponding relationship between the IP address of the terminal network equipment and the IP address of the application server and transmits the message from the application server to the corresponding terminal network equipment according to the corresponding relationship.

The invention discloses a router in an OSPF (open shortest path first) network and a processing method thereof. The method applied to a TBR (transit boundary router) connecting a first management unit and a second management unit includes: receiving a new LSA (link-state advertisement), comprising original LSAs which are router LSAs or network LSAs and topological LSAs for describing topological information, of the first management unit; storing the original LSAs and the topological LSAs comprised in the new LSA into a LSDB (link-state database), and establishing associations between the original LSAs and the topological LSAs; before sending the LSAs to the second management unit, judging whether each original LSA in the LSDB is provided with the associated topological LSA or not; if yes, sending the topological LSA associated with the original LSA to the second management unit. By the use of the router and the processing method, safety of the management units is enhanced and route diffusion is reduced.

The invention discloses adhesive tape used as a shielding cover and application of the adhesive tape. When used as the shielding cover, the adhesive tape is excellent in shielding effect, thin and light. The adhesive tape comprises a release layer, a conductive adhesive layer, a fiber layer, a conductive adhesive layer, a conductive base body layer and an anti-oxidization conductive coating which are sequentially connected. The thickness of the adhesive tape is 0.03-0.3 mm. The conductive base body layer is a copper foil layer, an aluminum foil layer, a conductive fabric layer or a stainless steel layer. The thickness of the conductive base body layer is 0.005-0.25 mm. The adhesive tape can achieve electricity conductivity, shielding, grounding, anti-oxidization, heat conductivity and the like at the same time.

The invention discloses a method for intercepting a target progress with self-protection. The method comprises the following steps of: calling the target progress into a memory to debug and searching all calling system service instructions; building mapping codes with different forms and same execution original functions for a directing code of each determined calling system service instruction; building a simulating target progress document and copying the codes of the target progresses to the simulating target progress document in the debugging process, and replacing the directing codes of the corresponding instructions by the mapping codes; compiling the simulating target progress document to form an executive simulating target progress; replacing the target progress by the simulating target progress when the system calls the target progress and executing; and intercepting the simulating target progress to realize the interception of the target progress. By the method, a corresponding relation between the target progress and the simulating target progress is built, and since the target progress is replaced by the simulating target progress, so an application program interface (API) hook can be used for interception.

The invention provides a group chat message processing method and device, a mobile terminal and a memory medium. The method comprises the steps of receiving a current group message sent by any group member in a chat group; judging whether the group member is a shielding object in the chat group or not; shielding the current group message in the chat group if the group member is the shielding object, and obtaining the currently shielded message number information of the group member; and displaying the obtained message number information. According to the method, the device, the mobile terminaland the memory medium, when the current group message is received and it is judged that the group member is the shielding object, the current group message is shielded and is not displayed, further the information sent by certain member in the chat group is shielded, the interference to a user is reduced, and the problem that useful group messages are missed due to the fact that the whole group messages are shielded is avoided.

The present invention discloses a method for handling an oscillation alarm in a network management system and an apparatus. The method comprises the steps of determining whether the received message is an alarm reporting message or an alarm resuming message; further determining whether duration of the alarm reporting message is greater than or equal to a predetermined oscillation time threshold value if the alarm reporting message is determined to meet an alarm condition in a predetermined sustained oscillation alarm pool, and if so, determining that an alarm corresponding to the alarm reporting message does not oscillate; reporting the alarm reporting message to the network management system if the alarm reporting message is determined not to meet the alarm condition in the predetermined sustained oscillation alarm pool; and determining whether the duration of the alarm reporting message corresponding to the alarm resuming message is less than the predetermined oscillation threshold value and if so, determining the alarm reporting message corresponding to the alarm resuming message oscillates. The method for handling the oscillation alarm in the network management system and the apparatus achieve shielding of oscillation alarms for the NMS in a network element management system with fewer system resources.

The invention is applicable to the field of audio processing, and provides an audio playing method and an audio playing device. The method comprises the following steps of: establishing an index table comprising a corresponding relation of audio files of each audio application program, audio track data, audio track data process numbers; inquiring the index table according to a process number corresponding to an audio file of the audio application program in the current activated state, and screening out the audio track data corresponding to the process number; and sending the screened audio track data to an audio mixer in an audio mixing thread, and outputting a mixed audio. According to the method for inquiring the index table based on the process number corresponding to the audio file of the audio application program in the current activated state, finding the corresponding audio track data and outputting the audio track data in the audio mixer in the form of the mixed audio, only the audio file of the finally opened audio application is played, and the audios of other application programs are shielded; and therefore, an aim of separating an audio is fulfilled.

The invention provides a friend message shielding method and device based on an address list and belongs to the network field. The method comprises the following steps: obtaining a first address list of a user mobile terminal, wherein the first address list is the address list of a first application program; determining at least one object to be shielded according to the first address list and a pre-stored second address list, wherein the second address list is the address list of a second application program; and executing a shielding strategy corresponding to the at least one object to be shielded. The technical scheme can realize bidirectional message shielding between friends, thereby simplifying operation of a user, protecting privacy safety of the user and enhancing user experience.

The invention discloses a wave type carbon felt electromagnetic shielding structural body and a preparation method thereof. The structural body is combined by adopting multi-layer wave type carbon felts according to certain angles. The multi-layer wave type carbon felts are adhesively connected by adopting adhesives, the wave type carbon felts adopt resin as base bodies, and carbon fiber felts arefunctional bodies. The electromagnetic shielding structural body has the large internal surface area, after electromagnetic waves transmit the surface layer carbon felts, the hook faces of the innerlayer carbon felts can perform repeated reflection, by mans of the multiple electromagnetic wave scattering effect of carbon fiber inside the carbon felts, and therefore the electromagnetic wave consumption and absorption of the carbon felt structural body are remarkably enhanced, the electromagnetic shielding effect is improved, the surface layer wave type carbon felt can remarkably lower the reflecting effect for emission electromagnetic waves, the influence of electromagnetic waves for peripherals and workers is lowered, and the invisibility effect can be achieved in some application fields.

The invention relates to the technical field of electronic information, and particularly relates to a method for masking a human face in a projection region. According to the method provided by the invention for masking a human face in a projection region, a coordinate set of a human head or a human face in front of a projector in a three-dimensional space is positioned and tracked by using a binocular camera, the three-dimensional coordinate set is mapped to an image plane of the projector so as to acquire a two-dimensional coordinate set corresponding to a human face region, an electronic masking region is established in the coordinate set region, and projection light shielding is realized, so that damages imposed on the human eyes by strong light emitted by the projector are effectively avoided. In addition, the equipment cost is low, the application range of the projector is expanded, and the user experience is improved.

The invention discloses a method for unified terminal management under an Internet of things architecture. The method comprises the following steps of: in a machine-to-machine (M2M) service platform, integrating an interface for connecting a device management (DM) server and an auto-configuration server (ACS), and transmitting a management request for a representational state transfer mode of M2M application to the corresponding DM server or ACS through the interface. The invention also discloses a system for the unified terminal management under the Internet of things architecture. By using the scheme, a terminal type and a management protocol can be shielded, and the conventional TR069 or DM protocol function is reused.

The invention provides a system-in-package module and terminal equipment. The system-in-package module comprises a substrate, at least two electronic components, a plastic package body, an open groove, a conductive shielding layer and a filling body, wherein the at least two electronic components are arranged on the substrate; the plastic package body is located on the substrate and wraps the at least two electronic components, the open groove penetrates through the upper surface and the lower surface of the plastic package body and is located between the two adjacent electronic components, the conductive shielding layer covers the upper surface of the plastic package body and the inner surface of the open groove, and the open groove is filled with the filling body. The invention providesthe system-in-package module and the terminal equipment. The electromagnetic shielding effect between electronic components in the system-in-package module and the electromagnetic shielding effect between the system-in-package module and external electronic components can be improved.

The invention relates to an optical film, especially to a blue light preventive light transmitting film, used for a screen of a flat panel display or the illumination field, and an application of the light transmitting film, and aims at filtering high-energy short-wave blue light, which damages the eyes, of the display and illumination equipment. The light transmitting film / plate comprises a function layer, a substrate layer and a protective layer; the function layer and the protective layer are arranged at two sides of the substrate layer respectively; at least one of the function layer and the protective layer is added with blue light absorbing resin particles; and the blue light absorbing resin particles comprise resin and a blue light absorbent which is an organic dye. The blue light preventive light transmitting film can achieve the effect of preventing blue light, and has a long life of blue light prevention as well as excellent optical performance.

The invention belongs to the field of vascular endoscopic imaging, and discloses a rapid plug type photocoupling joint for a photoacoustic ultrasonic intravascular imaging system. The joint structurally comprises a pre-embedded rapid optical fiber cold joint, a pin jack type joint, a plug type joint housing, a metal shielding housing and a bearing. The pre-embedded rapid optical fiber cold joint is used for coupling transmission of a photoacoustic excitation optical path; the pin jack type joint is used for coupling transmission of an ultrasonic transmission receiving / photoacoustic signal receiving circuit; the plug type joint housing is used for integrating the pre-embedded rapid optical fiber cold joint and the pin jack type joint to implement a trinity synchronous plug function; the metal shielding housing is used for protecting the joint and shielding signal interference of noise to circuit coupling; and the bearing is used for implementing coaxial rotation of the joint and reducing mechanical friction when the joint and a rotating scanning device are matched for use.