239 results about "Proximity communication" patented technology

The invention provides a high-isolation antenna applied to millimeter wave multi-channel near field communication. The high-isolation antenna applied to millimeter wave multi-channel near field communication comprises an antenna main body and a wave absorbing layer, the antenna main body is provided with a plurality of horn structure cavities and accommodating cavities, the accommodating cavities are in one-to-one correspondence with the horn structure cavities, each horn structure cavity corresponds to one transmission channel, each horn structure cavity comprises an opening part, an extending part and a connecting part, the accommodating cavities are arranged at the bottoms of the horn structure cavities, and the connecting parts are arranged at the bottoms of the horn structure cavities. The accommodating cavity is communicated with the connecting part of the horn structure cavity, and a patch probe is arranged in the accommodating cavity; the top of the wave absorbing layer is provided with openings, the openings are in one-to-one correspondence with the horn structure cavities, and the openings are communicated with the opening parts. According to the scheme, the problem that a traditional non-contact connector is short in transmission distance is solved, meanwhile, the blank of the non-contact connector in multichannel communication is filled up, and a way is provided for implementation of the millimeter wave non-contact connector.

The invention discloses an equipment searching method and electronic equipment, which can realize accurate searching of the electronic equipment and improve the probability that a user finds the lost electronic equipment. And when the first electronic equipment is in a power-off state or a power-saving mode and the near field communication module of the first electronic equipment is connected with the near field communication module of the second electronic equipment, the near field communication module of the second electronic equipment sends a first instruction to the near field communication module of the first electronic equipment. And in response to the first instruction, the satellite flash module of the first electronic equipment sends a first broadcast message to the satellite flash module of the second electronic equipment. And in response to the first broadcast message, the second electronic equipment outputs at least one of the distance between the first electronic equipment and the second electronic equipment and the direction of the first electronic equipment in the second electronic equipment.

The invention provides a near-field wireless transmission data processing method and system, and relates to the technical field of wireless communication, and the method comprises the steps: obtaining the spectrum characteristics of a near-field communication region and the wireless environment characteristics of the near-field communication region; selecting at least one candidate channel according to the spectrum characteristics, and determining an optimal working channel according to the wireless environment characteristics; determining an initial channel coding strategy according to the state characteristics of the optimal working channel, and adjusting the initial channel coding strategy based on the wireless environment characteristics to obtain an optimal channel coding strategy; inputting the wireless environment characteristics and the state characteristics of the optimal working channel into a pre-constructed modulation prediction model, and outputting an optimal signal modulation mode; the optimal channel coding strategy, the optimal signal modulation mode and the optimal working channel are used for sequentially and correspondingly carrying out data coding, signal modulation and signal sending on the data to be sent, the environment information is fully utilized, dynamic optimization of the transmission strategy is achieved, and therefore the reliability and efficiency of data transmission are improved.

The invention relates to the field of quantum communication, and discloses a short-distance air-ground quantum key communication telescope transceiving device which comprises an off-axis three-mirror optical system serving as the front end part of the device and four rear-end optical paths serving as the rear end part of the device. The device has the beneficial effects that the front end of the device adopts an off-axis three-mirror optical system, so that the coaxial and common-caliber design of four optical paths, namely a coarse tracking optical path, a fine tracking optical path, a quantum optical path and a beacon optical path is realized, the optical path structure is optimized, and the single-mode optical fiber coupling adjustment time under different near field communication working conditions is shortened; a coarse-fine tracking integrated design is adopted, so that the capture efficiency of the device is improved while the tracking precision of quantum key communication is ensured; in conclusion, the device remarkably improves the efficiency of quantum key communication on the aspect of overall design.

The embodiment of the present application discloses a method, device and system for processing commodity object display information, the system comprising: a plurality of short-distance communication tags located at a plurality of preset positions on a shelf, for storing first information, the first information comprising information associated with the short-distance communication tag; a commodity object tag associated with a commodity object, for being arranged at a position on the shelf corresponding to the associated commodity object, the commodity object tag correspondingly provided with a short-distance communication card reader, and reading the first information stored in the short-distance communication tag by the card reader; a server, for determining the position information of the commodity object associated with the commodity object tag on the shelf according to the received first information and the pre-stored second information; the second information comprising the position information related to the short-distance communication tag. Through the embodiment of the present application, it is possible to automatically obtain the actual display situation of commodity objects on the shelves of physical stores.

The invention discloses a book self-service borrowing and returning management method and system based on the NFC technology, and relates to the technical field of library management. According to the method, an NFC label is embedded in the inner side of a book spine, automatic storage and real-time updating of book information are achieved, a reader carries out near field communication with a book through a client side device with an NFC function, and the book information is automatically borrowed and returned. And borrowing and returning operations are completed. In the borrowing process, the borrowing reputation scoring index jpf of the reader is evaluated in real time, and the borrowing permission and limitation are adjusted according to the borrowing reputation scoring index jpf. When the books are returned, the book state is automatically detected, a book returning compliance coefficient ghg is generated, and reasonable utilization and management of library resources are ensured according to an evaluation result. According to the method, the library management process is optimized, the book borrowing and returning efficiency is improved, more accurate reader behavior monitoring and personalized services are provided for the library, and finally more convenient and efficient book borrowing and returning experience is provided for readers.

The invention belongs to the technical field of vehicle-mounted electronic equipment, and discloses intelligent vehicle-mounted equipment supporting vehicle-road cooperation application, and the vehicle-mounted equipment comprises a high-precision positioning module, a sensor module, a communication module, a voice interaction module, a data processing and analysis module, and a data storage module. The sensor module comprises a camera and a G-Sensor, the communication module comprises a long-distance communication module and a short-distance communication module, and the voice interaction module comprises a microphone and a loudspeaker; all modules of the vehicle-mounted equipment are matched to realize lane-level navigation service, a driving video recording function and a voice interaction function aiming at consumers, and meanwhile, data of the vehicle-mounted equipment of the consumers can be applied to intelligent management and optimization of urban traffic by an urban traffic management center. According to the invention, low-cost and high-precision vehicle-road cooperation is realized technically, a new possibility is created in a business mode, and powerful support is provided for wide application and marketization progress of the vehicle-road cooperation technology.

Systems and methods may be used for providing wireless power from a mobile device to a digital lock. The mobile device may include a proximity communication antenna to receive an authentication request from the digital lock. The proximity communication antenna may facilitate the mobile device providing wireless power to the digital lock via a wireless power protocol. The proximity communication antenna may send an authorization to the digital lock to cause the digital lock to open.

The invention relates to the technical field of electric vehicle communication, in particular to an electric vehicle network communication method and system based on Bluetooth relay.The system comprises a processor module, a 4G / 5G communication module, a Bluetooth communication module, a storage module, a network state detection module and a power management module; the processor module serves as a system core and is responsible for controlling each functional module to work and processing data; the 4G / 5G communication module is used for establishing network connection with a server; the Bluetooth communication module supports Bluetooth 5.0 and above protocols and is used for scanning peripheral equipment and establishing near field communication; the storage module is used for storing system configuration information and temporary data; the network state detection module monitors the communication state in real time; the power management module is responsible for power supply control of each module; monitoring communication quality in real time based on a network state evaluation model; selecting a Bluetooth networking stage based on communication quality, and scoring potential relay nodes by using a comprehensive scoring algorithm; and continuously monitoring the communication quality by using a link quality index LQI.

The invention discloses a multi-device cooperation method and a related device, and the method comprises the steps: a first terminal detects a first operation, and the first operation is used for sharing a first electronic device with a second account; in response to the first operation, the first terminal sends device sharing information to the server, and the device sharing information comprises information of the second account and information of the first electronic device; the server sends the information of the second account to the first electronic equipment; the server sends the information of the first electronic equipment to the second terminal; based on the information of the second account number and the information of the first electronic equipment, the second terminal and the first electronic equipment establish near field communication connection; the second terminal detects a second operation, wherein the second operation is used for triggering the first distributed service of the second terminal; in response to a second operation, the second terminal displays the icons of the one or more trusted devices; the one or more trusted devices include a first electronic device. Therefore, the distributed service can be realized in cooperation with the different account number equipment.

The invention provides a vehicle lock control method, a mobile terminal and a vehicle, and relates to the technical field of vehicle control. The method comprises the following steps: establishing communication connection between a target vehicle and a mobile terminal through a near field communication network; the mobile terminal receives a vehicle control request initiated by a user, and generates encrypted key data according to the vehicle control request; the mobile terminal sends the key data to the target vehicle through a near field communication network; the target vehicle decrypts the encrypted key data to generate a vehicle control instruction; and the target vehicle is controlled to be unlocked or locked based on the vehicle control instruction, so that the controllability and intelligence of the vehicle are improved, and the problem that the vehicle cannot be unlocked or locked by depending on network remote control when the network signal is poor in the related technology is solved.

The invention relates to the field of charging piles, in particular to a network switching method and electronic device.The network switching method comprises the steps that whether a first network of a target charging pile is abnormal in communication or not is detected, the first network is a remote communication network, and the target charging pile is a charging pile in a charging station; if yes, backup network configuration information is obtained, a first network of the target charging pile is switched to a second network according to the backup network configuration information, the target charging pile is controlled to be connected with the target node based on the second network, the backup network configuration information is used for building the second network, and the second network is a near field communication network; the target node is a node with normal remote communication. Therefore, according to the embodiment of the invention, when the current network communication of the charging pile is abnormal, the communication can be switched to the backup network in time to continue communication, the communication stability of the charging pile is improved, and manual on-station maintenance is not needed, so that the maintenance cost of the charging station can be reduced, and the operation efficiency of the charging station is improved.

An antenna extender includes a body having a supporting structure configured to receive a smart card, a first antenna electrically connected to a second antenna, the first antenna configured to inductively couple with a near field communication (NFC) antenna on a host device, the second antenna configured to inductively couple with an NFC antenna on the smart card.

The present invention provides a data processing method and system for near-field wireless transmission, which relate to the field of wireless communication technology, and include obtaining spectrum characteristics and wireless environment characteristics of a short-range communication area; selecting at least one candidate channel according to the spectrum characteristics, and determining an optimal working channel according to the wireless environment characteristics; determining an initial channel coding strategy according to state characteristics of the optimal working channel, and adjusting the initial channel coding strategy based on the wireless environment characteristics to obtain the optimal channel coding strategy; inputting the wireless environment characteristics and the state characteristics of the optimal working channel into a pre-constructed modulation prediction model, and outputting an optimal signal modulation mode; and using the optimal channel coding strategy, the optimal signal modulation mode and the optimal working channel to perform data encoding, signal modulation and signal transmission in sequence for data to be transmitted. The present invention makes full use of environmental information to realize dynamic optimization of transmission strategies, thereby improving the reliability and efficiency of data transmission.

The present invention provides an offline payment financial system and method based on blockchain, including: when one or both of a payment communication terminal or a payment communication terminal are offline, the payment communication terminal establishes a connection with the payment communication terminal and communicates with the payment communication terminal, the payment communication terminal receives payment data and payment account information sent by the payment communication terminal, the payment communication terminal verifies transaction information based on the payment data and the payment account information, the payment communication terminal completes payment processing based on the transaction information verification conclusion and feeds back the payment result and payment account information to the payment communication terminal, by establishing offline short-range communication, receiving payment data and payment account information, completing the processing of transaction bills in the offline state, and uploading the bill information, payment account information, and payment account information to the blockchain system, completing mobile payment in the offline state, and ensuring the normal operation of mobile payment in the absence of a network.

This application discloses a touch device, belonging to the field of touch technology. The touch device includes: a processing component, a touch display module, a near-field communication (NFC) driving module, and a switch module. The touch display module includes a display screen and a touch component. The touch component includes a touch sensing device, which includes a touch sensing driving module and a driving electrode layer. The driving electrode layer includes N driving channels. The NFC driving module is connected to each driving channel through the switch module. The processing component controls the switch module to turn on when the first driving channel outputs a touch sensing driving signal, so that the NFC driving module and the second driving channel form a closed loop, thereby using the second driving channel as a NFC antenna. The second driving channel is the NFC antenna; the first and second driving channels are different driving channels. This application improves the flexibility of touch device size design.

To enable an information processing system that is normally operated under a mode with security guaranteed to be temporarily used by a terminal device for which security may not be guaranteed.SOLUTION: A multifunction peripheral 10 operates in a zero trust mode with security guaranteed, as a normal operation mode, or a guest mode in which an external portable terminal device 8 is directly connected to the multifunction peripheral so as to be temporarily available. The multifunction peripheral 10 includes: a setting processing unit 12 which generates transition setting information by allowing an administrator to set processing to be executed during mode transition by selecting whether to backup / restore the settings of the multifunction peripheral 10 during the mode transition or cancelling the job under execution; and a mode switching processing unit 13 which stops Internet connection based on the transition setting information according to an instruction from a user, and activates near field communication to enter the guest mode, or starts Internet connection and deactivates the near field communication to enter the zero trust mode.SELECTED DRAWING: Figure 3

The invention discloses a two-factor identity verification system, method, device and equipment. The two-factor identity authentication system comprises an application system client and an identity authentication server, wherein the client is used for logging in the application system server according to a user password; in response to a user use instruction, reading employee identity information from the employee work card based on near field communication; according to the employee identity information, a password-free identity verification request is sent to an identity verification server; if the password-free identity verification is passed, displaying a client page; the identity verification server side is used for acquiring an employee work card data set; carrying out password-free identity verification according to the employee work card data set and employee identity information carried by the request; and providing a password-free identity verification result for the client. By adopting the processing mode, the two-factor authentication based on the employee work card is realized, and when the user of the client is verified to be the login user or not, high security, low integration difficulty and development and deployment cost can be effectively considered.

The present invention concerns a kit (1) comprising a timekeeping device (2) driven by a self-winding mechanical movement and a winder case (3) for said timekeeping device (2). The timekeeping device (2) includes means for displaying the counting of time elapsed since an event and means for activating, stopping and resetting the counting of time elapsed since said event. The winder case includes means configured for memorising the time of activation of the timekeeping device (2), microprocessor means (8) and means for comparing the counting of time indicated by said timekeeping device (2) with the stored data of the activation event. The invention has the particular advantage that, in the event of a discrepancy between the counting of time indicated by the timekeeping device (2) and the stored data, the synchronisation of the counting is carried out automatically inside the winder case (3) by means of counting of time correction. The timekeeping device (2) and the winder case (3) may include proximity communication devices so as to enable wireless communication between the timekeeping device (2) and the microprocessor means (8) in the winder case (3). In particular, at the time of the activation event of the timekeeping device (2), the details of the activation event, contained for example in a digital timestamp, may be recorded in an encrypted internal memory of the winder case (3). Furthermore, the details of the activation event may be sent to a remote server from where they are submitted online via a blockchain protocol.

The embodiment of the invention discloses a networking method and device of portable equipment, the portable equipment and a medium, and relates to the technical field of communication. The method comprises the following steps: when a near field communication module of a second device is detected, establishing near field communication with the second device by using a near field communication module of a first device; receiving equipment attribute ciphertext information and a check code sent by the second equipment through near field communication; when the second equipment is determined to be the safety equipment based on the check code, establishing remote communication with the second equipment based on the equipment attribute ciphertext information by utilizing a remote communication module of the first equipment; the conference data is transmitted with the second equipment through remote communication, so that an automatic networking function between the portable equipment is realized, the time cost and the labor cost are saved, the networking efficiency is further improved, the portable equipment participating in networking is easy to expand, and the networking efficiency is improved. Therefore, the transmission efficiency of the conference data among the plurality of portable devices in the offline conference place is improved.

The invention relates to a network data processing method and device, computer equipment and a storage medium, and is applied to wearable equipment, the wearable equipment comprises a first processor and a second processor, the first processor controls a first system, and the second processor controls a second system. When the wearable device is in the second system state, the method comprises the following steps: acquiring a network data request issued by an application, and sending the network data request to a terminal which is connected with the wearable device in a near field communication mode; receiving target network data returned by the terminal according to the network data request; and transmitting the target network data to the application.

A laser irradiation system is disclosed. The system comprises a mobile application program executed in a mobile terminal of a user; a management server that determines whether the user is a hypertensive patient by receiving and analyzing the face image of the user from the mobile application; one or more laser radiators in which a plurality of light-emitting elements for radiating laser light to different parts of the body of a user in a lying position are arranged; and a controller that controls the laser irradiator. Further, the controller includes: a communication unit for performing close-range data communication with the mobile application; the information storage part stores meridian point information including acupuncture points for hypertension; and a control unit that, when data indicating that the user is a hypertensive patient is received from the mobile application via the short-range communication unit, drives and controls the light-emitting elements corresponding to the acupoints for hypertension stored in the information storage unit so as to irradiate the corresponding acupoints with laser light.

For configuring access rights of electronic locks (1, 2), a mobile communication device (3) obtains an access right identifier. Configuration data comprising the access right identifier is transferred from the mobile communication device (3) to a first electronic lock (1), via a close range communication interface (13), thereby configuring the first electronic lock (1) to grant an access right to electronic key devices (4) having stored thereon the access right identifier. From the mobile communication device (3) an update request, comprising the access right identifier, is transmitted to a computer system (5) via a communication net- work (12), enabling the computer system (5) to transmit the access right identifier via the communication network (12) to one or more second electronic locks (2) for configuring the one or more second electronic locks (2) to grant an access right to the electronic key devices (4) having stored thereon the access right identifier.

The present invention relates to the field of charging piles, and in particular, to a network switching method and an electronic device. The network switching method comprises: detecting whether communication of a first network of a target charging pile is abnormal, the first network being a long-range communication network, and the target charging pile being a charging pile in a charging station; if the communication of the first network is abnormal, acquiring backup network configuration information, switching the first network of the target charging pile to a second network on the basis of the backup network configuration information, and, on the basis of the second network, controlling the target charging pile to be connected to a target node, the backup network configuration information being used for establishing the second network, the second network being a short-range communication network, and the target node being a node with normal long-range communication. Thus, in the present embodiment, when communication of a current network of the charging pile is abnormal, switching to a backup network can be performed in a timely manner to continue the communication, thereby facilitating the improvement of the communication stability of the charging pile. In addition, manual maintenance on the station is not needed, so that maintenance costs of the charging station can be reduced, thereby improving the operational efficiency of the charging station.

The invention relates to an unmanned aerial vehicle flight control system, method and device, computer equipment, a computer readable storage medium and a computer program product. The system comprises an object detection module, a data processor, a near field communication module and a flight control subsystem, and the object detection module detects whether a flying object exists around a body or not in real time; the data processor predicts whether the body conflicts with the flight path of the target unmanned aerial vehicle based on the first flight path of the target unmanned aerial vehicle if the flying object is determined to be the target unmanned aerial vehicle based on the detection data, and if the prediction result is that the body conflicts with the flight path of the target unmanned aerial vehicle, when the real-time distance with the body is determined to be smaller than a preset distance threshold value, the target unmanned aerial vehicle is started. The flight path of the body is transmitted to the target unmanned aerial vehicle through the near field communication module, a second flight path of the target unmanned aerial vehicle is obtained, a path conflict is verified, a conflict position is determined to carry out body path adjustment, and the flight control subsystem is controlled to adjust the flight path of the body. By adopting the system, collision can be avoided.

This invention discloses an emergency communication method and system for law enforcement recorders, relating to the field of communication networking technology. The method includes: when multiple law enforcement recorders enter each other's short-range communication range, they authenticate each other via a wireless ad hoc network protocol to form a dynamic collaborative communication group; a master sensing node continuously captures environmental video streams, obtains dynamic risk entropy values ​​and alarm data through image recognition, encapsulates them into emergency data packets, and sends them to a master relay node; the master relay node transmits the emergency data packets to the command center; when the performance status of the master sensing node or master relay node is detected to be deteriorating, a dynamic election process is triggered to re-elect the corresponding node. This invention dynamically elects the optimal master node through a lightweight distributed consensus algorithm based on real-time resource state vectors, achieving adaptive node switching and ensuring the continuous and stable operation of the emergency data acquisition and transmission link.

The invention relates to the technical field of near field communication control, in particular to a 5G CPE equipment configuration method and system based on near field communication, and the method comprises the steps: responding to a triggering equipment configuration key, and obtaining terminal equipment fingerprint information and CPE equipment identification information; executing close-range credible confirmation, and generating a close-range confirmation proof value; establishing a temporary data connection channel, and sending the real-time operation data of the 5G CPE equipment to the configuration terminal through the temporary data connection channel; and configuring the 5G CPE equipment according to the equipment configuration data. The private network management IP address and the account password of the 5G CPE equipment do not need to be input, the professional requirement for a user is low, operation is convenient and fast, the process is simple, the password does not need to be remembered, and the problem that network configuration is lost due to the fact that factory settings are restored when the password is forgotten is solved.

This application relates to the field of communications and discloses a device connection method, apparatus, storage medium, and computer device. The method is applied to a terminal device, which includes a first near-field communication (NFC) and a second NFC, wherein the first NFC and the second NFC are different communication modes. The method includes: detecting a first broadcast message of the first NFC according to a first time interval, and sending a second broadcast message of the second NFC; if no first broadcast message is detected and no connection request for the second broadcast message is received within a first preset time period, the first time interval is extended according to a preset rule. Through this application's solution, the terminal device achieves power reduction by employing a dynamic scheduling method while supporting at least two NFC modes.

To provide a pedestrian point offering system configured to reduce pedestrians who walk on a pedestrian crossing against the light.SOLUTION: A pedestrian point offering system includes: a signal control apparatus 1 installed across a pedestrian crossing H; a communication control apparatus 2 connected to the signal control apparatus 1; and a pedestrian communication terminal 3 which is carried by a pedestrian W who walks on a pedestrian crossing H and performs near-field communication with the communication control apparatus 2. At a standby place T1, when the red light time remaining before green light passes, on the pedestrian communication terminal 3 which reproduced an advertisement video, in the case where a difference obtained by comparing receiving intensity obtained when reproduction of the advertisement video is started and receiving intensity obtained when remaining red light time passes falls within a predetermined range, points are offered in an application of the pedestrian communication terminal 2.SELECTED DRAWING: Figure 2

The present invention relates to a method for initialising an electronic payment terminal (2) of a merchant, which method requires a 'domiciliation' (direct debit) card storing the merchant's identification information, the method being characterised in that it comprises the steps of: (a) receiving, by a server (3) comprising data storage means (32) storing the merchant's identification information uniquely associated with a mobile terminal (1) of the merchant, which server is connected, via a communication network (20), to the electronic payment terminal (2) and to the mobile terminal (1), a request to initialise the electronic payment terminal (2); (b) transmitting data required to initialise the electronic payment terminal (2) to the mobile terminal (1); (c) transmitting a message containing the data required to initialise the electronic payment terminal (2), from the mobile terminal (1) to the electronic payment terminal (2) via a proximity communication channel; (d) initialising the electronic payment terminal (2) using the received data.