314 results about "Wireless data" patented technology

An electronic device may be mounted to a main body of a removable case. The case includes a cover that rotates between open and closed positions. The device may convey wireless data and / or a control signal with the removable case over radio-frequency connectors, near-field communications (NFC) coils, connector electrodes, and / or wired data connectors. The removable case may relay the wireless data between the electronic device and a communications satellite in space. The case may include a phased antenna array in the cover. In the open position, the cover may point the phased antenna array towards the sky. The removable case may include beamforming circuitry in the cover and coupled to the phased antenna array. The control signal may control the beamforming circuitry to produce, using the phased antenna array, a signal beam oriented towards the communications satellite.

The invention relates to the technical field of aircrafts, in particular to an aircraft key component fault monitoring method and system based on wireless WQAR data, and the method comprises the following steps: S1, data acquisition and preprocessing: receiving wirelessly transmitted fast access recorder WQAR data from an aircraft; the WQAR data and the maintenance record data are associated and fused; performing cleaning, abnormal value processing and working condition division on the fused data to extract an effective data segment corresponding to a specific flight stage; s2, establishing a statistical baseline model for one or more monitoring parameters of at least one key component on the basis of the effective data segments in historical normal operation; according to the method, the accurate health baseline model and the real-time anomaly detection mechanism are established, so that the performance degradation and potential faults of the parts can be recognized in an early stage, the maintenance mode is changed from post-processing to pre-warning, and serious faults are effectively avoided.

Disclosed is an integrated circuit card comprising an antenna and a communication circuit configured for radio-based wireless exchange of data with an external device via the antenna. The integrated circuit card further comprises electromechanical switches connected to the communication circuit and configured to set a plurality of more than two switching states and a secure element connected to the communication circuit, the secure element configured to exchange data with the external device via the antenna and the communication circuit.

Methods, apparatus and systems for wireless sensing are described. In one example, a described system in a wireless data communication network comprises: a transmitter configured to transmit a time series of at least one wireless sounding signal (WSS) based on a standard wireless network protocol associated with the wireless data communication network, and a receiver. The wireless data communication network comprises a physical (PHY) layer, a medium access control (MAC) layer, and at least one higher layer. The receiver is configured to: receive the time series of at least one WSS (TSWSS) based on the standard wireless network protocol through a wireless channel of a venue, and perform a plurality of wireless sensing measurements based on the received TSWSS to obtain sensing measurement results based on the standard wireless network protocol. The PHY layer or the MAC layer of the receiver provides the sensing measurement results locally to the at least one higher layer of the receiver based on the standard wireless network protocol. The sensing measurement results are available to the at least one higher layer of the receiver for performing a sensing-based task based on the sensing measurement results.

A wireless transmission system includes a transmitter antenna, a sensor, a demodulation circuit, and a transmitter controller. The sensor is configured to detect electrical information associated with AC wireless signals, the electrical information including, at least, a voltage of the AC wireless signals. The demodulation circuit is configured to receive the electrical information from the at least one sensor, detect a change in the electrical information, determine if the change in the electrical information meets or exceeds one of a rise threshold or a fall threshold, if the change exceeds one of the rise threshold or the fall threshold, generate an alert, and output a plurality of data alerts. The transmitter controller is configured to receive the plurality of data alerts from the demodulation circuit, and decode the plurality of data alerts into the wireless data signals.

The described embodiments regard methods and apparatus for configuring a wireless device to allow multiple subscriptions to be active simultaneously with data for at least one subscription associated with a SIM / eSIM in a partially active mode to be communicated via a cellular wireless connection established with another SIM / eSIM in a fully active mode. At least one SIM / eSIM is enabled, active, and registered for cellular wireless service and able to be used for establishing a cellular wireless data connection with a cellular wireless network. At least one additional SIM / eSIM is in a partially active state and can be registered for access to select cellular wireless services via the cellular wireless data connection of the at least one SIM / eSIM, where direct cellular wireless network connections via access network portions of cellular wireless networks cannot be established using the at least one additional SIM / eSIM while in the partially active state.

The invention discloses an acoustic emission monitoring and damage identification method and system for crack propagation of a chemical high-temperature pipeline welding joint, and belongs to the technical field of acoustic emission monitoring of pressure pipelines. The system comprises a display terminal, a wireless data collector, a signal transmission line, an acoustic emission sensor, a waveguide rod boss and a waveguide rod round rod, and by means of the system, real-time acoustic emission monitoring can be conducted on the active defect expansion behavior of the pipeline welding joint under the high-temperature service condition. Meanwhile, based on the acoustic emission monitoring and damage identification method for crack propagation of the chemical high-temperature pipeline welding joint disclosed by the invention, a signal feature discrimination mode for active defects of the high-temperature pipeline welding joint is provided, and real-time early warning can be performed on occurrence of abnormal signals such as defect propagation. The method is suitable for wireless real-time acoustic emission monitoring of the pipeline welding joint in a high-temperature complex service environment, can realize rapid and accurate monitoring and identification of active defects of the welding joint, and has important engineering application value.

Methods and system for tracking assets. A server receives, via wireless communication, from each of a plurality of tracking devices, adjacent device data for that tracking device regarding one or more detected nearby tracking devices and an estimated distance measurement to each detected nearby tracking device. The server determines from the adjacent device data that a subset of the plurality of tracking devices are in a group associated with a multi-unit vehicle. The server selects at least one of the tracking devices in the subset as a master device. The other tracking devices in the subset are slave devices. The master device is to send location data to the server via its wireless data connection. The slave devices are to forego sending communications to the server via their respective wireless data connections.

The invention provides a wireless data packet monitoring method and computer equipment, relates to the technical field of data monitoring, and solves the problems of poor packet capture flexibility, low air interface data acquisition efficiency and inflexible data storage mode in the existing data monitoring technology. The method comprises the following steps: a monitoring device receives an instruction of entering a monitoring mode, switches the monitoring device to the monitoring mode, and performs packet capture processing on channel and bandwidth information of WiFi devices around the monitoring device by using the monitoring device to obtain packet capture data; judging whether the monitoring equipment is networked or not, and if the monitoring equipment is networked, periodically storing or uploading the packet capture data to a server; and if not, regularly storing or uploading the packet capture data to the local. According to the invention, the automation and intelligentization of the wireless data monitoring process are realized, the dependence on external auxiliary equipment is reduced, the air interface data acquisition efficiency is improved, and the data storage flexibility is improved.

1. Name of the designed product: wireless data terminal. 2. Use of the designed product: the designed product is used for charging and for mobile data network (WI-FI) communication. 3. Design points of the designed product: in shape. 4. Picture or photo best indicating the design points: perspective view 1.

1. Name of the product in this design: Wireless Data Terminal (T2g pro). 2. Purpose of this design: A portable Wi-Fi device that converts mobile wireless signals such as TD-LTE into Wi-Fi signals. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

A coal mine deep well hoist communication system and method based on intelligent metasurface assistance, the system comprises an Internet of Things device, an edge computing node, a cloud server and an intelligent metasurface, the Internet of Things device comprises a tension sensor, a weighing sensor and an acceleration sensor; the tension sensor, the weighing sensor and the acceleration sensor are connected with the edge computing node through the intelligent metasurface, and the edge computing node is connected with the cloud server through a wired transmission medium. The method comprises the following steps: arranging the intelligent metasurface and constructing an intelligent communication system; modeling the energy loss and the calculation time delay in the calculation offloading process of the intelligent communication system; constructing a comprehensive benefit function integrating the energy efficiency and the calculation time delay; taking the maximization of the comprehensive benefit function as the optimization target of the calculation offloading strategy; constructing a security reinforcement learning model; and realizing the optimal calculation offloading benefit. The system and method can ensure the stability of the wireless data link inside the hoist and improve the transmission efficiency of data.

The invention discloses an urban underground comprehensive pipe gallery safety monitoring system, and the system comprises sensor modules which are uniformly distributed in an urban underground comprehensive pipe gallery and are used for monitoring the internal environment of the urban underground comprehensive pipe gallery; the wireless communication modules are respectively connected with the sensor modules in a one-to-one correspondence manner and are used for transmitting and receiving wireless data; the main control module is in communication connection with the wireless communication module and is used for receiving the signal data acquired by the sensor module and sent by the wireless communication module and performing local processing; and the cloud server is in communication connection with the main control module and is used for receiving data of the main control module and realizing cloud operation and storage. The invention further discloses an urban underground comprehensive pipe gallery safety detection method, the problem that parameters are difficult to select is solved through the particle swarm optimization algorithm improved by the depth deterministic strategy gradient, and the convergence speed and the detection accuracy can be effectively improved.

The invention relates to a method for providing a navigation map for off-road driving, wherein a map provisioning device (10) provides map data for the predetermined area (S1); receives an off-road information signal (S2) from an input device via a wireless data communication link (32), which describes location-based, location- and / or driving-related information for a section of terrain in the predetermined area; checks whether location-based, location- and / or driving-related information is already present in the provided map data (S6); if the new information differs from information already described in the map data, it replaces the latter and thereby adapts the map data to the new information (S6), or enters the new information into the map data and thereby adapts it (S6);an output signal describing the adapted map data is generated (S8), and the generated map data signal is transmitted to an output device of at least one motor vehicle (20, 26, 28) (S9). The invention also relates to the map provisioning device (10), a server device (12) with the map provisioning device (10), as well as a motor vehicle (20) and a mobile terminal device (24).

The application discloses a remote control torch ignition system based on wireless instruction and fault self-diagnosis function and relates to the technical field of space propulsion. The application comprises a remote control center and a field control unit. The remote control center is used for generating an encrypted ignition instruction package containing an ignition instruction sequence and adjustable parameters and sending the package through a wireless data link, simultaneously receiving and displaying control feedback and diagnosis data from the field. The field control unit is arranged on an engine test stand and is electrically connected with a torch igniter and its matched fuel valve, oxidant valve and ignition power supply, used for receiving, decrypting and executing the encrypted ignition instruction package to control the corresponding valves and ignition power supply to act in sequence. The system further comprises a multi-dimensional data acquisition module used for synchronously acquiring multi-channel physical quantity time sequence signals reflecting the working state of the igniter during the ignition process. Through embedded multi-dimensional time sequence fusion diagnosis, the application can quantitatively evaluate the performance gradual state of the torch igniter in real time.

There is provided a method of managing wireless data traffic for a wireless end-user device. The method includes associating the wireless end-user device with a wireless data service that defines a set of one or more permitted Internet access destinations, receiving, at a network intermediary configured to mediate Internet access for the wireless end-user device, a request from the wireless end-user device to access data associated with a first Internet access destination of the set of one or more permitted Internet access destinations, providing, via the network intermediary, the wireless end-user device with access to the first Internet access destination in response to the request, measuring data traffic exchanged between the wireless end-user device and the network intermediary in connection with the access to the first Internet access destination, and classifying the measured data traffic as being associated with the first one of the first Internet access destinations.

A communications system may include a host device and an external display. A wired path may couple a first data port on the host device to a second data port on the external display. The host device may drive the external display to display images via the wired path. A first radio on the host device may generate first wireless performance metric data and a second radio on the external display may generate second wireless performance metric data. The external display may transmit the second wireless performance metric data to the host device over the wired path. The host device may switch between conveying wireless data using the first radio or the second radio based on the first and second wireless performance metric data.

The invention discloses a wireless data transmission system and method using a compression technology, and the system comprises a data generator which is used for generating to-be-transmitted wireless data and transmitting the to-be-transmitted wireless data to a compression module, the compression module is used for compressing the to-be-transmitted wireless data into compressed data by using a self-adaptive differential pulse code modulation algorithm, and the compressed data is transmitted to the compression module through the self-adaptive differential pulse code modulation algorithm; the gateway end comprises a gateway protocol end and a transmission module, and the gateway protocol end is used for receiving the compressed data packet and sending the compressed data packet to the transmission module for transmission; and the server is used for receiving and decompressing the compressed data packet transmitted by the transmission module so as to realize the transmission of the wireless data to be transmitted. According to the invention, low-cost, high-efficiency and high-real-time wireless data transmission under a large field domain can be realized.

The application discloses a surgical robot wearable control device and control method based on gesture recognition. The surgical robot wearable control device is used for detecting motion information of human upper limbs and comprises: an inertial sensor array arranged at the back of hands, forearms and upper arms of left and right arms of an operator to detect operator motion data; a pressure switch array arranged at index fingers and palms of left and right hands of the operator to activate / discontinue motion of the surgical robot; a wireless data sending device used for unidirectionally sending state data of the pressure switch to a wireless data collection device; the wireless data collection device is used for receiving the state data sent by the wireless data sending device and motion data sent by the inertial sensor and transmitting the data to a data processing device; the data processing device obtains operator motion intention after processing the motion information returned by the wireless data collection device and converts the motion intention into end motion information of the surgical robot. The application can detect the posture of the upper limbs of the operator and the control intention of the operator in real time.

A virtual measuring instrument adopting NFC data interaction and energy collection comprises a sensing detection processing module, an intelligent terminal and a connecting mechanism, the sensing detection processing module comprises a module NFC antenna, an NFC processing unit and a sensing detection unit, a measurement and control signal of the sensing detection unit is in data interaction with a wired interface of the NFC processing unit, and the intelligent terminal is connected with the sensing detection unit. A power supply of the sensing detection unit is provided by electromagnetic field energy collected by the module NFC antenna, the module NFC antenna and the terminal NFC antenna form a mutual coupling inductor through a coupling mechanism, and the intelligent terminal realizes electric energy transmission and wireless data interaction with the sensing detection processing module through electromagnetic induction coupling between the NFC antennas. According to the virtual instrument provided by the invention, electric energy transmission and data interaction between the intelligent terminal and the sensing detection processing module do not need direct contact electric connection, so that connection abrasion is avoided, and the reliability and the use convenience of a virtual measuring instrument hardware platform are improved.

The application discloses a wireless data communication terminal device of a power system and a Web terminal operation method, and relates to the technical field of terminal devices. The wireless data communication terminal device of the power system comprises a terminal machine, a support leg and an antenna assembly. The bottom of the terminal machine is provided with a frame body capable of fixing the terminal machine to a plane position. The support leg is arranged at the bottom of the terminal machine and forms support for the bottom of the terminal machine. The antenna assembly is installed at the top of the terminal machine and comprises two states of unfolding and shrinking. A heat dissipation module is arranged in the terminal machine. The opening and closing of the air inlet of the heat dissipation module are controlled by the unfolding and shrinking states of the antenna assembly. A wireless communication module is arranged in the terminal machine and connected to the terminal machine. The application adjusts the angle position of the antenna arranged in the communication terminal device, can realize antenna gain in a corresponding range, and can obtain more stable data transmission effect in the process of main data interaction.

The invention provides eye adjusting equipment integrating eyelid opening, fundus photography and a data port, and belongs to the technical field of intelligent medical wearable equipment. The equipment comprises a glasses frame main body, a non-invasive eyelid opening mechanism, a high-resolution fundus photographing module, diopter-adjustable lenses, a data processing unit and a wired and wireless data port. The eyelid opening mechanism adopts a medical silica gel flexible opening sheet and a push rod, so that safe and automatic eyelid separation is realized; the fundus photographing module supports clear imaging at a field angle of 30-50 degrees based on infrared illumination and a CMOS sensor, and has pupil tracking and automatic focusing functions; the built-in electric control zoom lens can dynamically adjust the diopter from 6.0 D to + 4.0 D. The problems that existing fundus examination equipment is large in size, complex to operate, serious in eyelid shielding, unable to use and the like are solved, and the fundus examination equipment has remarkable clinical application value and industrialization prospects.

An integrated circuit card (1) is disclosed, comprising an antenna (10) and a communication circuit (11) configured to perform radio-based wireless data exchange with an external device (2) via the antenna (10). The integrated circuit card (1) further comprises: an electromechanical switch (12) connected to the communication circuit (11) and configured to set a plurality of switching states of more than two; and a secure element (14) connected to the communication circuit (11), the secure element (14) being configured to exchange data with the external device (2) via the antenna (10) and the communication circuit (11).

An educational information system and method includes a data reading unit having a housing with a top surface; and a plurality of wireless data reading units in the housing, wherein the data reading unit reads educational data, via the wireless data reading units, from at least one card containing the educational data and transmits the educational data to a computer screen for display, each card of the at least one card comprises an icon on a top card surface, the icon representative of the educational data stored on the associated card of the at least one card, and the at least one card is opaque.

A vehicle-based communication system supports wireless data exchange with a vehicle key using ultra-high-frequency (UHF) radio. A control unit of the vehicle transmits a first message to a communication control device, the message indicating a transmission power to be set for a transceiver. The communication control device sets the UHF transmission power based on the message and activates the transceiver to transmit a data packet containing user data to the vehicle key. A low-frequency ping may establish a receive window during which the vehicle key receives the data packet. The vehicle key stores the received data packet, optionally transmits a checksum to confirm proper reception, and may adjust its own UHF transmission power based on the received data. The vehicle may re-transmit the data packet when an incorrect checksum is detected. The system enables flexible, software-based adjustment of UHF transmission power for reliable communication with the vehicle key.

The utility model relates to the technical field of mining explosion-proof frequency converters, and discloses a wireless control device applied to mining explosion-proof frequency converter equipment, which comprises a power supply module, a battery module, a boosting module, a control module, a wireless communication module and a display screen driving module, the power supply module is respectively connected with the boosting module, the control module, the wireless communication module and the display screen driving module; the battery module is connected with the control module; the boost module is connected with the control module and the display screen driving module. The control module is connected with the wireless communication module and the display screen driving module. According to the utility model, data exchange can be carried out through wireless data communication with the interior of the frequency converter equipment via the explosion-proof housing, so that the operation state can be monitored in real time more conveniently, and the manual maintenance and debugging cost is greatly saved.

The application discloses a positioning method and device based on a level fingerprint, equipment and a storage medium, relates to the technical field of communication, and comprises the following steps: starting 5G wireless measurement of a UE through a 4G base station, starting 4G wireless measurement of the UE through a 5G base station, receiving 4GMRO and 5GMRO collected by the 4G base station and the 5G base station respectively, and determining 5G outdoor wireless data under a 5G network based on the 4GMRO, 4G minimization of drive test data and the 5GMRO; dividing a region to be positioned into a plurality of grids with grid numbers according to longitude and latitude; mapping each signal parameter to each grid according to longitude and latitude information to obtain a 5G level fingerprint library. The application only needs to temporarily start the inter-system measurement function of the base station in the stage of collecting the level fingerprint library, receives the 4GMRO and the 5GMRO collected by the 4G base station and the 5G base station, does not need to start the inter-system measurement function of the base station in the stage of matching the level fingerprint library, reduces the influence on the user, the base station and OMC-R and other network equipment, and thus the load of positioning the user equipment through the 5G cellular network can be reduced.

Apparatus and methods for transferring both power and data across an inductive link using coupled coils are disclosed. In some embodiments, a disclosed apparatus comprises: an external device and an internal device. The external device comprises: a first LC tank comprising a first coil, a switching power amplifier comprising a first switch electrically coupled to the first LC tank, and a first data modulator configured to implement on-off keying (OOK) to open and close the first switch. The internal device comprises: a second LC tank comprising a second coil that is inductively coupled to the first coil through an inductive link, a tank circuit comprising a second switch electrically coupled to the second LC tank, and a second data modulator configured to implement cyclic on-off keying (COOK) to open and close the second switch.

This invention discloses a method and system for in-situ calibration and prediction of soil moisture based on multidimensional features. The system includes a multi-source data acquisition module, an edge computing and control module, a power supply module, a wireless transmission module, a cloud server module, and a user interaction display module. The multi-source data acquisition module is used to sense environmental physical quantities in real time. The edge computing and control module is used to collect data from various sensors, perform analog-to-digital conversion and local preliminary cleaning, and transmit the data to the cloud server. The user interaction display module is used to receive early warning information and issue control commands. The wireless transmission module is used for long-distance, low-power wireless data upload. The power supply module provides power to all modules. The cloud server module is used to execute a multidimensional environmental feature error calibration model and an LSTNet deep learning prediction model, performing in-situ calibration and prediction of the data. This invention can not only accurately track historical change patterns but also solve the problem of low model sensitivity to short-term abrupt changes.