574results about How to "Avoid signal interference" patented technology

An method and apparatus for transmitting ranging information from at least one base station to subscriber stations and generating a ranging signal by the subscriber station using received ranging information in a Broadband Wireless Access (BWA) communication system including a plurality of neighbor cells and a plurality of the subscriber stations located in each cell region. A first code generator generates a first code using different first code information received from the base stations in the neighbor cells allocated the first code information. A second code generator generates a second code using second code information received by each of the subscriber stations existing in cell regions of the neighbor cells. A ranging signal generator generates a new ranging signal by combining the first code with the second code.

A system for automatic detection of defects in railroad wheels, a system that is stationary and is installed in extended intervals in the rails uses stationary acoustical / vibration sensors installed at intervals in the rails. Rail segments associated with the detectors are acoustically isolated. The sensors acquire the sounds and vibrations generated by the wheels rolling over the rails. Signal analyzers identify rail defects from intensity vs., frequency distributions of acoustical spectra. Such spectra reflect the condition of the wheels and change their intensity vs. frequency distributions when the wheels pass the sensors installed in the rails. The acquired information on the condition of the wheels is transmitted to a central location. Any defective wheel is identified and marked for repair or replacement.

The present invention relates to a transmission system with interference avoidance capability, which includes a transmission apparatus and a receiving apparatus. The transmission method thereof receives first data by means of an interference-processing module of the transmission apparatus and adds a plurality of extension data to the first data to produce second data for replacing a plurality of data corresponding to an interfered band in the second data with zero data, and then producing transmission data. The transmission data is converted to a radio-frequency signal by a transmission-processing module and transmitted to the receiving apparatus. Thereby, signal interference can be prevented by avoiding spectrum overlap regions.

The embodiment of the invention discloses a method and a system for network selection under dual-network coverage, and a dual-mode terminal. The method comprises the following steps that: the dual-mode terminal searches for a wireless local area network (WLAN) signal, and judges whether the intensity of the found WLAN signal reaches a preset intensity threshold value or not; the dual-mode terminal accesses a WLAN in response to that the intensity of the WLAN signal reaches the preset intensity threshold value, and judges whether the intensity of the WLAN signal reaches the preset intensity threshold value or not on a cycle of the first preset time; the dual-mode terminal acquires a weight value based on a packet delay and a packet loss rate in response to that the intensity of the WLAN signal reaches the preset intensity threshold value, and judges whether the weight value is lower than a preset weight value threshold value or not; and the dual-mode terminal is switched from the WLAN to a mobile network in response to that the weight value is not lower than the preset weight value threshold value. By the embodiment of the invention, a wireless network to be accessed by the dual-mode terminal can be rationally selected under the dual-network coverage of the mobile network and the WLAN, the utilization rate of wireless network resources can be increased, and the quality of service of a wireless network service can be improved.

A method for avoiding signal interference between a first RF device and a second RF device is provided. The first and second RF devices are co-located and the first RF device is configured to operate within a semi-stationary range of a frequency band. The second RF device is configured to operate by changing channels within the frequency band. The method initiates with a communication interface being provided between the first RF device and the second RF device. Then, the second RF device receives the semi-stationary range and a mode for the first RF device through the communication interface. Next, the second RF device is adapted to avoid the semi-stationary range of the frequency band of the first RF device when the mode of the first RF device is in an active mode. An apparatus where two RF devices are co-located without causing interference for each other is also provided.

The present invention relates to devices and methods for planning and supervising minimally invasive surgery. Included are enhancements to systems for planning, monitoring, and controlling cryosurgery.

The invention provides a touch-control array, a touch-control sensor, a touch-control display screen and a touch-control device. The touch-control array comprises a substrate, a capacitive coupling touch-control array and an electromagnetic induction array, wherein the capacitive coupling touch-control array and the electromagnetic induction array are arranged in a manner of being insulated from each other; the capacitive coupling touch-control array comprises a first direction capacitive conductor group and a second direction capacitive conductor group; the electromagnetic induction array comprises a first direction induction lead group and a second direction induction lead group; the first direction capacitive conductor group and the first direction induction lead group are arranged on a first surface of the substrate, and the second direction capacitive conductor group and the second direction induction lead group are arranged on a second surface of the substrate; or, the first direction capacitive conductor group and the second direction induction lead group are arranged on the first surface of the substrate, and the second direction capacitive conductor group and the first induction lead group are arranged on the second surface of the substrate. The touch-control array can simultaneously identify signals of a finger and an electromagnetic pen at any time.

A dual conversion receiver selects and down-converts one channel from a plurality of channels in a received RF signal. The dual conversion receiver includes first and second mixer stages that are driven by first and second local oscillator signals. Channel selection is performed by tuning the first local oscillator signal so that a desired channel is up-converted to a first IF frequency, which defines the center of the passband of a first bandpass filter connected between the first and second mixer stages. The second mixer stage down-converts the output of the first bandpass filter to a second IF frequency, which is further filtered by a second bandpass filter. The first and second local oscillators can produce harmonics that mix in the second mixer stage, causing unwanted spurious signals that can fall in band with the second IF frequency. In order to avoid interference from these unwanted spurious signals, the frequency step size of the first local oscillator is tuned so that the spurious signals fall out-of-band of the second IF frequency.

The present invention discloses a microfluidic system and a driving method thereof. A plurality of photosensitive detection units comprising phototransistors and first gating transistors are employed to perform liquid drop position and size detection. The driving method comprises: In a collection time quantum, loading cut-off signals to a first scanning signal line to allow each phototransistor to be a closure state, loading conduction signals to a second scanning line to allow the first gating transistors to be conducted, and determining a liquid drop position through detection of signal difference according to a feature that there is difference in a received light intensity received by the phototransistors according to determination of whether there is liquid drop coverage or not, so that detection is performed based on photosensitivity to avoid signal interference and facilitate improvement of detection precision; and in a driving time quantum, loading conduction signals to a third scanning signal line to allow driving transistors to transmit driving signals to driving electrodes to control motion locus of liquid drops. Driving units and the photosensitive detection units in the microfluidic system all employ transistors with no need for arrangement of other detection devices so as to improve manufacturing efficiency.

The present invention relates to a silicon substrate having through vias and a package having the same. The silicon substrate includes a substrate body, a plurality of through vias and at least one heat dissipating area. The substrate body has a surface, and the material of the substrate body is silicon. The through vias penetrate the substrate body, and each of the through vias has a conductive material therein. The heat dissipating area is disposed on the surface of the substrate body and covers at least two through vias. The heat dissipating area is made of metal, and the through vias inside the heat dissipating area have same electrical potential. Thus, the heat in the through vias is transmitted to the heat dissipating area, and since the area of the heat dissipating area is large, the silicon substrate has good heat dissipation efficiency.

The invention discloses a combustion gas leakage alarm control system comprising a central controller, a gas leakage monitoring mechanism disposed on a combustion gas pipeline, and a detection mechanism disposed on a combustion gas appliance. The gas leakage monitoring mechanism and the detection mechanism are connected with the central controller. The central controller is provided with an emergency protection mechanism and an alarm mechanism. The combustion gas leakage alarm control system ensures combustion gas safety by multiple protections, prevents living property losses caused by manual factors, combustion gas leakage, or aged pipelines, and is simple in structure, high in intellectualized degree, and worth applying and generalizing.

The invention relates to ultrasound imaging method and apparatus suitable for minimally invasive ultrasound diagnostic devices in cardiac ablation monitoring and in tumor ablation monitoring. The present invention proposes to manufacture a transducers assembly and system on a patterned flexible foil by embedding transducers patches in apertures on the foil surface. This provides great control of the acoustic properties of the transducer.

Disclosed is an LED display unit screen. The LED display unit screen is of a modular structure, easy to install, low in cost and strong in interference resistance. The LED display unit screen comprises a plurality of LED display modules and DC power supply, and the LED display modules are clamped on a base frame by a rotary knob lock head; an electric appliance box provided with a base and internally installed with the DC power supply is disposed on the base frame and the LED display module is clamped between the base and a left beam or a right beam; an interface board is arranged in the electric appliance box, and the interface board is provided with a multilayer PCB board with functions of high frequency signal shielding and electromagnetic radiation reduction. A signal receiving module and the DC power supply are communicated with the interface board and the LED display module in a busbar and a gill bar mode. All electric signals and power supply current are transmitted through an internal layer of the interface board, and therefore the usage amount of the open wire cable is significantly reduced. The upper external layer and the lower external layer of the interface board are grounding copper foil, so that high frequency signals can be shielded by the interface board in the internal layer of the interface board and the electromagnetic pollution for the environment by the high frequency signals and the signal disturbance by the high frequency signals for the LED display module are avoided.

The invention discloses a radical magnetic bearing with independent electromagnet structure, comprising a rotor and a stator arranged at the periphery of the rotor; wherein the stator comprises a case and a plurality of independent electromagnets, and a plurality of electromagnets are arranged on the case at intervals. The invention has flexible structure assembly, stator semi-open type structure can be realized according to the requirement; the electromagnets are mutually independent, interference of magnetic paths between magnetic poles can be effectively avoided, and signal interference between a magnetic pole and a sensor can be avoided, thus being beneficial to improving the reliability of system; each independent electromagnet can be directly used for winding inserting, thus no additional processing mould is required to be added and no special inserting process is required to be designed; independent structure unit is easy to realize, and serialized and standardized parts can be formed, thus costs for maintenance and replacing equipment parts are all greatly reduced.

Provided are a touch display panel and a forming method thereof and a touch displayer and a forming method thereof. The touch display panel comprises an array substrate, a line layer located on the array substrate, an OLED layer located on the line layer, a touch layer located on the OLED layer and a package substrate opposite to the array substrate, wherein the OLED layer comprises a pixel definition region and multiple OLED units arranged in the pixel definition region, and the package substrate and the array substrate form a box-shaped structure for packaging the line layer, the OLED layer and the touch layer. A manufacture process of the touch display panel is simplified, the process time is shortened, and the cost is saved.

An shielded electrical connector (100), to which an electrical element (5) is electrically connected, includes an insulative housing (1) defining a number of passageways (101), a number of terminals (2) retained in the passageways, a side shield (3) and a bottom shell (4). The insulative housing also has a bottom board (17) defining a number of grooves (170) communicating with the passageways. Each terminal includes a soldering portion (26) and a body portion (21) partially exposed to the groove.

A vehicle body communication device (200) transmits a request signal to both a wheel side sensor (31) that is provided in a valve (24) of a wheel (22), and a tire side sensor (32) that is embedded in a tire tread (28). When the wheel side sensor (31) and the tire side sensor (32) receive the request signal from the vehicle body communication device (200), respective return signals are transmitted to the vehicle body communication device (200). The respective transmission patterns are set to be different.

The present invention discloses a multi-sensing information fusion-based power transformer on-line monitoring system and method. With the system and method adopted, online and real-time monitoring of a power transformer can be realized reliably, and vibration, current, voltage and switching quantity information can be acquired, processed, transmitted and analyzed reliably. The multi-sensing information fusion-based power transformer on-line monitoring system of the invention comprises a multi-sensor acquisition assembly; the multi-sensor acquisition assembly includes an acceleration sensor, a voltage sensor, a current sensor, a temperature sensor and a switching quantity acquisition sensor which are respectively used for acquiring the vibration information, voltage information, current information, temperature information and switching quantity information of the power transformer; an embedded master controller is an ARM embedded system-based master controller; a remote controller is a host computer; and the host computer uses SQL Server database software to carry out open database management.

The present invention provides a spring loading connector which comprises a socket and an adapter connected with the socket, wherein the socket comprises a housing and a central conductor positioned in the housing. The adapter is provided with a plug which is composed of the central conductor, an insulator and an adaptor housing that are assembled from the inner part to the outside. The inner surface of the housing of the socket comprises a first conical surface, a second conical surface and a cylindrical surface positioned between the two conical surfaces. The adapter comprises an elastic component, and the central conductor in the adapter is provided with a groove for receiving the central conductor of the socket. The insertion end of the housing of the adapter is a curved surface whichcontacts and matches with the second conical surface in the inner surface of the housing of the socket. The structure of the spring loading connector can allow large axial and radial deflection. Furthermore the spring loading connector has excellent electromagnetic shielding and can bear higher transmission power, and simultaneously has better radio frequency electrical performance.

An electrical connector combination comprises a socket connector and a plug connector cooperative with the socket connector. The socket connector comprises an insulation body, two rows of conductive terminals and a shield housing wrapping the insulation body, the insulation body comprises a substrate, tongue portions extended from the substrate and provided with the two rows of the conductive terminals and a rampart arranged at the peripheries of the tongue portions and configured to form annular slots between the tongue portions, the shielding housing is arranged at the annual wall, the plugconnector comprises an insulation body, two rows of butting terminals and a shielding housing wrapping an insulator, the insulator comprises a pedestal and a peripheral wall arranged at the peripheryof the pedestal, configured to form a butting groove by commonly encircling with the pedestal and provided with the two rows of the butting terminals, the shielding housing is arranged at the peripheral wall, the socket connector also comprises shield pieces exposed in insertion grooves arranged at the tongue portions and configured to separate from the two rows of the conductive terminals, and the plug connector also comprises a metal isolation piece fixedly held at the pedestal to separate from the two rows of the butting terminals and butt joint the shielding pieces. Therefore, the electrical connector and the combination thereof can effectively avoid signal interference between the two rows of conductive terminals in the socket connector and between the two rows of butting terminals inthe plug connector.

A receptacle connector including at least three mating interfaces is provided and includes an insulative housing with a first and second groups of contacts mounted thereon. The first group of contacts serve as first Interface (USB 2.0), and a second group of contacts alternatively serve as mating interface of second and third interfaces (ESATA and USB 3.0). A switching board is provided and includes mounting interface of the second and the third interfaces. A shuttle member is moveably disposed within the housing and selectively interconnects the second group of contacts with either the mounting interface of the second interface or mounting interface of the third interface.

The invention discloses a display module and a display device, and belongs to the technical field of display, the display module comprises a display panel, and the display panel comprises a first substrate, a thin film transistor array layer, a second substrate and a coil film layer; wherein the coil film layer at least comprises a first metal layer, a first insulating layer, a second metal layerand a second insulating layer, the first metal layer comprises at least one first coil, the second metal layer comprises at least one signal line, and one first coil of the first metal layer is electrically connected with one or two signal lines of the second metal layer; the orthographic projection of the first coil to the first substrate is at least partially located within the display area range. The display device comprises the display module. The coil film layer is arranged in the display panel, and wireless transmission with multiple functions can be integrated on one panel, so that thecost is reduced, the integration level is improved, and equipment is further developed to be light, thin and integrated.

The invention discloses a shift register and driving method, grid driving circuit and display device thereof provided by an embodiment of the invention. The shift register comprises an input module, a reset module, the first control module, the second control module and an output module; through the coordination of the above modules, the scanning signals used for inputting in the corresponding grid lines can be output through the scanning signal output end by using a simple structure, the cascade signals are output from the output end of the cascaded signal, and the cascade signals are used as the signals of the signal input ends of other cascaded shift registers, so that the cascade signal output end for outputting cascade signals is different from the scanning signal output end for outputting scanning signals, so the signal interference of the scanning signals input in the grid lines to the input signal end of the next shift register can be avoided, so that the stability of the shift register can be improved, and then the overall stability of the circuit formed by cascading the plurality of the shift registers can be improved.

The invention discloses an efficient multipath laser probe detecting system and method. The detecting system can divide laser sources into multiple paths and transmit the laser sources to multiple to-be-detected points through optical fibers, corresponding spectral signals are transmitted back to the detecting system after laser plasma is generated through excitation, finally, multi-point and simultaneous on-line detection by one laser probe instrument is finally realized, the optical fibers are used for transmitting laser and the spectral signals, accordingly, the anti-jamming capability of a laser probe in the severe environment can be improved, and the application cost of the laser probe instrument can be substantially reduced. The efficient multipath laser probe detecting system is particularly suitable for a large industrial process containing multiple production lines, has the on-line monitoring capability for multiple elements of a product on the production lines and facilitates popularization and generalization of a laser probe technology, and the application cost of the laser probe instrument can be substantially reduced.

The invention relates to an elevator system, comprising: a cage (5) moving along a guide rail (28) in an elevator shaft (2), power supply devices (22-25) supplying power to the cage in a non-contact mode, an elevator control part (8) moving the cage to the floor designated by lobby calling of each floor (1) and cage calling in the cage (5), and wireless data transmission devices (13, 15, 16, 20) for exchanging various information between the elevator control part and the cage in a wireless mode. Power supply wires (22a, 22b) for supplying power to the cage in a non-contact mode and a leakage coaxial cable (16) for exchanging information with the cage in a wireless mode are blocked on a support (34) of the guide rail for guiding the cage, therefore, the cage (5) in the elevator shaft (2) of the elevator system obtains high-speed stable operation.

A touch display apparatus with a transparent antenna and a touch display apparatus using same are disclosed. The touch display apparatus including a cover glass, a display module, and a touch module. The touch module is disposed between the cover glass and the display module. The touch module includes a transparent substrate, a metal mesh touch sensor, and an antenna. The metal mesh touch sensor is disposed on at least one surface of the transparent substrate and configured to form a viewable area, wherein the viewable area comprises at least an overlapping dummy area free of a vertical projection of the metal mesh touch sensor. The antenna is disposed on the at least one surface of the transparent substrate, and at least portion of the antenna being located in the overlapping dummy area, wherein the antenna and the metal mesh touch sensor are insulated from each other.

The invention provides an automatic test method for a Bluetooth card reader. The automatic test method is applied to a test upper computer, the test upper computer is connected with a plurality of Bluetooth test terminals, and the method comprises the steps of detecting whether the plurality of Bluetooth test terminals meet test requirements; respectively searching and connecting the corresponding Bluetooth card reader through the plurality of Bluetooth test terminals; and respectively completing a production test and / or a pressure test of the corresponding Bluetooth card reader through the plurality of Bluetooth test terminals. By adopting the method, the test efficiency can be improved, and the test upper computer can simultaneously carry out multipath tests without a manual operation and automatically detect and test the functions of the Bluetooth card reader.