23 results about "Wireless mobile devices" patented technology

A device and a method automatically redeploys the geographical coverage of a wireless telecommunications network interconnecting a plurality of wireless mobile devices and a common back base. The method includes: partitioning an initial geographical coverage area of a wireless telecommunications network into sub-areas; assigning a mobile vehicle equipped with a wireless base station to each sub-area, with each mobile vehicle equipped with a wireless base station being connected to the back base via a wireless link, and being positioned in a geographical position offering wireless network coverage over the sub-area to a set of wireless mobile devices; monitoring the tethering of each wireless mobile device to at least one wireless base station of the initial geographical coverage area; determining whether a wireless mobile device is no longer tethered to any wireless base station of the initial geographical coverage area; determining, if the wireless mobile device is no longer tethered to any wireless base station, a geographical position for a mobile vehicle equipped with a wireless base station as a function of the geographical position of the untethered wireless mobile device, with the geographical position allowing wireless network connectivity to be established between the untethered wireless mobile device and the back base; and deploying a mobile vehicle equipped with a wireless base station to the geographical position, with the position defining a new geographical coverage sub-area corresponding to an extension of the initial geographical coverage area.

An radio frequency antenna includes a substrate having a first surface and a second surface opposite the first surface, an I / O port configured to transmit and receive radio frequency signals, and a first radiator structure defined by a conductive material coupled to the first surface. The first radiator structure includes an elongated main antenna portion connected to the I / O port and having an antenna length of one-quarter wavelength of an electromagnetic wave under a resonance frequency, at least one first antenna crossing portion that intersects the elongated main antenna portion at a first intersection node, and at least one second antenna crossing portion that intersects the at least one first antenna crossing portion at a second intersection node. A ground plane is coupled to the second surface and to the first radiator structure, the ground plane having attached thereto a mirror image of the first radiator structure. The first radiator structure and mirror image form a dipole antenna.

An acoustic wave device is provided comprising a substrate and at least one resonator structure of a first type and at least one resonator structure of a second type mounted on the substrate. The resonator structures of the first type are configured to operate as capacitors and have a first thickness, causing the resonator structures to have a first passband frequency range. The resonator structures of the second type have a second thickness that is different from the first thickness, causing the resonator structures to have a second passband frequency range. A method for forming such an acoustic wave device is also provided. A die comprising such an acoustic wave device, a filter comprising such an acoustic wave device, a radio-frequency module comprising such an acoustic wave device, and a wireless mobile device comprising such an acoustic wave device are also provided.

A system and method for monitoring a vehicle uses a wireless mobile device. The wireless mobile device, such as a cell phone, smart phone, PDA, etc., includes some of the hardware that could be utilized to monitor and analyze data and transmit the data (or summaries, statistics or analyses of the data) to a central server. This can greatly reduce the overall cost of the system. The data can be used to determine an insurance rate or as a speed probe for creating traffic maps, for example.

Techniques for coordinating a frame of reference between wireless devices may comprise determining a displacement vector of a wireless mobile device with respect to its local coordinate system, the displacement vector indicative of a displacement of the wireless mobile device between a first time and a second time. Techniques may further comprise the wireless mobile device receiving, from a first wireless reference device, an indication of a displacement vector of the wireless mobile device with respect to a common reference direction, and adjusting an estimated alignment of the common reference direction with respect to the wireless mobile device's local coordinate system, based at least in part on correction information determined from a comparison of (i) the displacement vector of the wireless mobile device with respect to its local coordinate system with (ii) the displacement vector of the wireless mobile device with respect to the common reference direction.

The application discloses a system and method for dynamically adjusting radio frequency power of low-power-consumption equipment. The application relates to the technical field of communication and solves the problem of how to reduce radio frequency power consumption of wireless mobile equipment on the basis of ensuring signal transmission reliability of the wireless mobile equipment. The system for dynamically adjusting radio frequency power of low-power-consumption equipment comprises an equipment management system, a gateway, a wireless access point and a wireless module; the wireless module is in communication connection with the wireless access point, the wireless access point is in communication connection with the gateway, and the gateway is in communication connection with the equipment management system; the application adjusts the transmission power of the wireless module according to the packet loss rate and the average signal strength of the wireless module in a current power consumption evaluation adjustment period, prolongs the standby time of the low-power-consumption wireless equipment, and reduces the radio frequency power consumption. The application improves the configuration flexibility and adaptability of wireless products, and can dynamically adjust the radio frequency power according to different implementation environments.

A method and system for generating an aircraft cockpit display for a mobile device has been developed. First, a graphical data display is generated on a cockpit display system (CDS) of an aircraft during flight operations. The CDS uses an Aeronautical Radio, Inc. (ARINC) display architecture standard. A duplicate of the graphical data display is transmitted to a wireless mobile device located onboard the aircraft. The duplicate of the graphical data display is then displayed on the wireless mobile device.

A battery powered wireless power transmitter may be used to charge a mobile device using wireless power. Such a wireless mobile device charger may include: a housing omitting any electronic ports or electrical contacts; a rechargeable battery disposed within the housing; an electronic power receiver disposed within the housing, the power receiver powered by an external source and through which the battery is wirelessly charged; and an electronic power transmitter disposed within the housing, the power transmitter powered by the battery to wirelessly transmit electrical power.

According to the present disclosure, a passband filter is provided. The passband filter comprises a first connection, a second connection, and a third connection. One or more resonators of a first type are provided connected in series between the first connection and the second connection; and one or more resonators of a second type are provided connected from between the first connection and the second connection to the third connection. A radio-frequency front end module and wireless mobile device are also provided.

According to the present disclosure, an acoustic wave filter is provided. The acoustic wave filter has a pass band and is configured to filter a radio frequency signal. The acoustic wave filter comprises a series resonator and a shunt resonator, the shunt resonator having a primary mode defined by a resonant frequency of the shunt resonator and a secondary mode defined by a longitudinal mode of the shunt resonator, the primary mode defining a lower edge of the pass band and the secondary mode being of a higher frequency than the primary mode. A corresponding radio-frequency module and wireless mobile device comprising said acoustic wave filter are also provided.

A method of marking information on a substrate for use in a semiconductor component is provided. The method comprises providing a substrate for use in a semiconductor component, providing a metal layer on a surface of the substrate, and providing a marking within the metal layer. A method of making a die, a radio-frequency module and a wireless mobile device; as well as a substrate, a die, a radio-frequency module and a wireless mobile device is also provided.

The invention provides an intelligent coal mine coal conveying control system, which comprises a cloud database, a main control unit and a front-end detection unit, and is characterized in that the cloud database is used for storing coal mine industry operation standards, expert knowledge and historical operation data for the main control unit to call for operation parameter comparison and analysis; the front-end detection unit is used for monitoring the safety state, the environmental parameters, the equipment operation state and the coal quality in the coal conveying process; the main control unit is used for receiving the data collected by the front-end detection unit, comparing and analyzing the data with standard parameters in a cloud database, controlling the running state of the coal conveying equipment, automatically sending out an early warning signal through a warning alarm module when the data is detected to be abnormal, and pushing alarm information to the wireless mobile equipment and the mobile APP; and remote reminding and emergency response are realized. According to the invention, the whole-process intelligent sensing and fine management of the coal conveying process of the coal mine can be realized.

Techniques for coordinating a frame of reference between wireless devices may comprise determining a displacement vector of a wireless mobile device with respect to its local coordinate system, the displacement vector indicative of a displacement of the wireless mobile device between a first time and a second time. Techniques may further comprise the wireless mobile device receiving, from a first wireless reference device, an indication of a displacement vector of the wireless mobile device with respect to a common reference direction, and adjusting an estimated alignment of the common reference direction with respect to the wireless mobile device's local coordinate system, based at least in part on correction information determined from a comparison of (i) the displacement vector of the wireless mobile device with respect to its local coordinate system with (ii) the displacement vector of the wireless mobile device with respect to the common reference direction.

Bicycle control system comprising a first wireless communication unit mounted on a hub and / or wheel axle or crank unit or rear wheel gear shifting mechanism of the bicycle; and a wireless mobile device, such as a smartphone; wherein the first wireless communication unit is configured to initiate or acknowledge a wireless pairing with the wireless mobile device in response to a power-on and / or power-off operation.

The invention discloses a system and a method for dynamically adjusting radio frequency power of low-power-consumption equipment. The invention relates to the technical field of communication, and solves the problem of how to reduce the radio frequency power consumption of wireless mobile equipment on the basis of ensuring the signal transmission reliability of the wireless mobile equipment. The system for dynamically adjusting the radio frequency power of the low-power-consumption equipment comprises an equipment management system, a gateway, a wireless access point and a wireless module, the wireless module is in communication connection with the wireless access point, the wireless access point is in communication connection with the gateway, and the gateway is in communication connection with the equipment management system; according to the method, the transmitting power of the wireless module is adjusted according to the packet loss rate and the signal intensity mean value of the wireless module in the current power consumption evaluation adjustment period, the standby time of the low-power-consumption wireless equipment is prolonged, and the radio frequency power consumption is reduced. The configuration flexibility and adaptability of wireless products are improved, and the radio frequency power can be dynamically adjusted according to different implementation environments.

This disclosure provides methods, apparatuses, and computer-readable mediums for visualizing coverage area deficiencies. In an aspect, a method comprises retrieving, from a data storage, network performance data from a plurality of user wireless mobile devices; filtering the network performance data to narrow the dataset to data samples with accurate locations and dates; counting the number of data samples indicating a coverage deficiency in an area; comparing the number of data samples indicating the coverage deficiency in the area with a predefined threshold; rendering a map including the area; and displaying on the map a visual indicator of the coverage deficiency based on the number of data samples indicating the coverage deficiency in the area exceeding the predefined threshold.

The invention discloses an unmanned aerial vehicle camera remote control method, an unmanned aerial vehicle system and a storage medium, and the method comprises the steps: controlling a camera control module to cache a target instruction in response to an unmanned aerial vehicle control panel receiving the target instruction sent by a wireless mobile device through a wireless communication module, and enabling the camera control module to control the camera control module to cache the target instruction; in response to the fact that the camera control module judges that the target instruction is an instruction used for controlling the camera module, the camera control module is controlled to convert the target instruction into an instruction in a format adaptive to the camera module, and the converted target instruction is sent to the camera module for parameter control; and in response to the real-time picture data sent by the camera module and received by the image coding board, controlling the image coding board to send the real-time picture data to the wireless mobile equipment through the wireless communication module so as to display a camera interface picture corresponding to parameter control on the wireless mobile equipment. Based on the above mode, the use flexibility of the unmanned aerial vehicle camera can be improved.

A radio-frequency front end module comprises a first substrate, a second substrate arranged opposing the first substrate, one or more resonators disposed on a surface of the first substrate, the first surface of the first substrate facing the second substrate, and one or more antennas that are each supported by the first substrate and the second substrate. A beamforming antenna is also provided, as is a wireless mobile device.

The invention discloses a channel fingerprint access authentication method and system for a wireless metal mobile terminal, and belongs to the technical field of wireless physical layer security, and the method comprises the steps: receiving an authentication request signal, and estimating channel fingerprint data; correcting the error of the channel fingerprint data through a separation normalization method, and performing imaging on the channel fingerprint data to obtain a channel image; inputting the channel image into a pre-trained authentication model, and outputting an identity authentication result; wherein the authentication model is a convolutional neural network model based on channel foreground attention and channel three-domain attention, and iterative optimization is carried out through intelligent attacker simulation confrontation training. According to the invention, reliable identification and robust protection of the wireless mobile device on a disguised attacker in a metal carrier interference environment are realized, and the problems of unknown attacker threat, poor channel near-field effect, poor channel fingerprint quality and the like of the metal carrier mobile device in an actual deployment scene in the prior art are solved.

Aspects of the disclosure include a die and corresponding radio-frequency module and wireless mobile device. Examples of the die include, integral to the die, a power amplifier controller, a low noise amplifier, and an antenna switch in communication with both the power amplifier controller and the low noise amplifier.

A method of marking information on a substrate for use in a semiconductor component is provided. The method comprises providing a substrate for use in a semiconductor component, providing a metal layer on a surface of the substrate, and providing a marking within the metal layer. A method of making a die, a radio-frequency module and a wireless mobile device; as well as a substrate, a die, a radio-frequency module and a wireless mobile device is also provided.

A bulk acoustic wave (BAW) device is provided comprising a first electrode, a second electrode, a piezoelectric layer positioned between the first electrode and the second electrode, and a raised frame structure outside of a middle area of an active domain of the BAW device, the raised frame structure comprising one or more raised frame layer(s). At least one of the raised frame layer(s) comprises a tapered portion tapering in a direction towards the middle area of the active domain. A packaged module comprising such a BAW device is also provided. A wireless mobile device comprising such a packaged module is also provided.

A no-kill computer-implemented method for collection of physical information and production of a three-dimensional visual replica of a fish includes: first providing a computer-implemented wireless mobile device having a processor; second providing a computer-implemented collection and production platform application to receive and record collected visual image data of the field of view; training a collector lens on a physical visual reference in the field of view; collecting visual image data of the field of view; identifying specimen visual image data within overall visual image data for the complete field of view; compensating for uncontrolled floating motion; of the vessel; generating a virtual three-dimensional visual model of the fish; and fabricating, by a three-dimensional printer, a physical three-dimensional visual replica from the virtual three-dimensional visual model of the fish.