125results about How to "Increase effective distance" patented technology

The invention provides a method of point-to-point data transmission for a mobile device and a device. The method comprises the following steps that: a first mobile device and a second mobile device performs NFC pairing within the effective distance of NFC (Near-Field Communication), and the first mobile device sends wireless broadband (Wireless Fidelity(WIFI)) connection parameters and a file finding list to the second mobile device in the process of NFC pairing; and the first mobile device and the second mobile device utilize the WIFI connection parameters to build WIFI connection; and the first mobile device utilizes the WIFI connection to send one or more files in the file finding list to the second mobile device. The point-to-point data transmission for the mobile devices provided by the invention can achieve the objects of simple operation, increased effective distance, improved stability of connection and improved data transmission speed.

Inductive power transfer across an extended gap (100) from a primary conductor (119) is provided by means of a resonant intermediate loop comprised of capacitor (118) with inductor (117) carrying a larger resonating current, that can in turn generate an inductive field to be collected by a pickup coil (120). This process and device find application in an electroluminescent advertising panel.

The invention discloses a position fixing navigation system (PFNS) based on a GNSS satellite and a method thereof, wherein, the method comprises the following steps: a sparse continuous service satellite positioning datum station network is established at a positioning area or the periphery of the area, the datum station carries out continuous high sampling rate observation and transmits observed data to a system center by a communication link; then, the system center processes the data provided by the datum station network to obtain high-precision real-time relevant system error correcting information; finally, the relevant system error of the user is interpolated / extrapolated according to the relevant error of the datum station network, and relevant correction and processing are carried out, thus obtaining the accurate three-dimension coordinate of the user. The invention has the advantages of high positioning precision, wide coverage area and convenient use, etc., thus being suitable for high-precision and real-time / rapid positioning application under special circumferences.

The invention provides a high-voltage direct current broadband domain corona current measurement system. The high-voltage direct current broadband domain corona current measurement system comprises a sampling resistance sensor, an extra-high voltage local measurement unit, an optical fiber transmission unit, a safe location measurement unit and an upper computer. The sampling resistance sensor samples the corona current signals of a high-voltage direct current, and converts the corona current signals to voltage signals. The extra-high voltage local measurement unit collects the voltage signals, and optical signals are obtained through photovoltaic conversion. The optical signals are transmitted to the safe location measurement unit through the optical fiber transmission unit. The safe location measurement unit converts the optical signals to the voltage signals. The upper computer processes, stores and displays the voltage signals. The high-voltage direct current broadband domain corona current measurement system has the advantages of being wide in measured frequency range, strong in capability of resisting electromagnetic interference and the like and can have a long-term and stable operation under the environment of extra-high voltage direct current and under the condition of all kinds of bad natural environment conditions, and provides effective technical means for further research of high voltage direct current corona characteristics.

The invention discloses an intelligent anti-lost system and method. The system comprises an anti-lost device, a Bluetooth communication module, an alarm module, a Wi-Fi module, a button battery and a central controller. The Bluetooth communication module, the alarm module, the Wi-Fi module, the button battery and the central controller are all arranged on the anti-lost device. The anti-lost device is connected and communicated with a mobile terminal through a communication protocol. In a short-distance monitoring condition, only a low-power Bluetooth working mode is started, and in a long-distance monitoring condition, the low-power Bluetooth working mode is preferentially started, and a Wi-Fi working mode is started when the Bluetooth communication range is exceeded or false alarms and alarm failure occur due to unstable signals, so that power is saved and the service life of equipment is prolonged, the effective distance of monitoring is increased, and the anti-lost device in a safe distance can be effectively and accurately monitored. In addition, when a distance between a mobile phone and the anti-lost device is beyond the safe distance, the alarming of the anti-lost device and the mobile phone end is supported at the same time, and the mentioned bidirectional alarm mechanism can comprehensively inform a user.

A free space optical transceiver including an electro-optical conversion unit having a transmission port and a reception port, with centers separated by a first distance; an optics unit adapted to lead a light beam from the atmosphere to the reception port and to lead a light beam from the transmission port to the atmosphere, wherein the optics unit includes at least one optical element having a diameter larger than the first distance.

The invention discloses a radio communication method and system. When the distance between a first mobile communication device and a second mobile communication device is in an effective near-field communication distance range, according to a near-field communication protocol, identity identification information is transmitted between the first mobile communication device and the second mobile communication device; and the identity identification information is used to establish Wi-Fi connection or Bluetooth connection between the first mobile communication device and the second mobile communication device and data transmission is carried out through the Wi-Fi connection or the Bluetooth connection.

The invention is directed to a hearing instrument for positioning in the ear of a user, incorporating a faceplate having first and second spatially separated sound openings for receiving sound to be provided to respective inlets of a microphone; at least one screen partially blocking the sound openings and positioned to increase effective distance between the first and second spatially separated sound openings; and a housing for containing the microphone, the housing having the faceplate mounted thereon and being sized to fit within the ear of a hearing instrument wearer.

The present invention provides an apparatus and method for attracting mosquitoes by using the microbe product as the mosquito bait as well as simulating the human emanated odors. A bait-releasing unit / means is included to enhance the release of the mosquito bait. A well-controlled heating assembly can be used to generate a suitable thermal gradient for simulating body temperature and evaporating the bait. The microbe product comprises at least a sterilized supernatant of a bacterial incubation product. The apparatus of this invention can further include electrocution grids or insecticide webs to destroy attracted mosquitoes.

The invention provides an explosive destroying machine and a special warhead and comprises a supporting device (5) and an electropult (1) which is arranged on the supporting device (5), wherein, the electropult (1) comprises a transmitting valve (9), a front-end water line plug (8A) and a back-end water line plug (8B), a water faucet (7), an electric projectile (11) and an electric portfire (12); a buffer seat (2) is arranged between the supporting device (5) and the electropult (1) and a multi-level buffer device is arranged in the buffer seat (2). The explosive destroying machine has no recoil, far shooting range, wide use, moreover simpler structure and lower manufacture cost.

A method and arrangement for remotely stopping powered equipment in emergency situations. Embodiments of the invention include wearable radio remote transmitters (400) capable of transmitting a signal (500, 505) to powered equipment in the immediate area. A transmitter (400) desirably is located such that it can be quickly activated by the person wearing the transmitter, and may be equipped with a shock detection device capable of automatically activating the radio transmitter Powered equipment operating in the vicinity of transmitter-equipped personnel are fitted with receivers, electronics, actuator, batteries and / or electrical connections, as needed, to shutdown the equipment upon receiving a radio signal from a transmitter Sometimes receivers and amplifiers are located such that a transmitter's signal sent from any location in the area will reach all relevant equipment receivers with sufficient energy to activate the shutdown procedure. A preferred embodiment may include a manually activated transmitter (400) attached to a person's clothing and receivers and actuators mounted on all powered equipment within line-of-sight of this person.

The invention relates to a separated grid type embedded layer float grid nonvolatile storage unit and a manufacturing method thereof. The storage unit comprises a semiconductor substrate, a source region, a drain region, a channel region, a float grid, a source electrode and a control grid. The float grid is below first insulated medium layers and fully embedded in the semiconductor substrate, a second insulated medium layer between the float grid and the semiconductor substrate is connected with the first insulated medium layers and fully enclosures the float grid. The float and the second insulated medium layer are positioned between the source region and the drain region, the second insulated medium layer is far from one side of the drain region and contacted with the source region, thechannel region comprises a first channel region which is arranged between the drain region and the second insulated medium layer along the surface of the semiconductor substrate and a second channelalong the surface of the second insulated medium layer to the source region, and first insulated medium layers are arranged between the float grid and the control grid as well as between the float grid and the source electrode, a part protruding levelly at the bottom of the source electrode is positioned above the first insulated medium layer, and a covering part is arranged in the direction vertical to the surface of the semiconductor substrate.

A steam conditioning system for discharging bypass steam into a condenser of a steam powered generating plant and other uses. The system includes a steam conditioning device comprising an inner evaporative core and an outer shell. The core may be formed of a tubular piping section disposed at least partially inside the outer shell forming an annular space therebetween. An inlet end of the core receives steam from a piping header fluidly connected to an upstream desuperheating pressure reducing station which injects liquid coolant into the steam stream. Steam discharges through the core outlet end into the outer shell, reverses direction, and flows into the condenser. In one embodiment, the steam conditioning device may be disposed inside the dome of the condenser except for the inlet end. The device intends to increase flow residence time to evaporate entrained carryover coolant droplets in the incoming steam before release to the condenser.

The invention discloses an indoor distribution antenna feeder operation visualization management system. A base station / repeater and an antenna feeder visualization system host machine are respectively connected with an RFID multi-frequency combiner which is connected with a mobile communication combiner. A mobile communication indoor distributed antenna is connected with the mobile communication combiner. An RFID electronic chip is connected with the mobile communication indoor distributed antenna. A network management center is connected with the antenna feeder visualization system host machine. The GSM / GPRS MODEM module of the antenna feeder visualization system host machine is connected with a monitoring control module. A radio frequency modulation and demodulation module is connected with a radio frequency output port. An RFID encoder is connected with the radio frequency modulation and demodulation module. The RFID encoder and the GSM / GPRS MODEM module are respectively connected with a communication interface module. According to the system, a mobile communication indoor distributed passive device can be monitored, the effective distance of passive radio frequency identification is extended effectively, and the system is easy and convenient.

The invention discloses a flow-equalizing ventilation device, which is characterized by simple and convenient operation. The flow-equalizing ventilation device comprises a plurality of air openings arranged on a ventilation pipeline, wherein the ventilation pipeline comprises an opened end and a closed end, one air opening closest to the closed end of the ventilation pipeline belongs to the first group, other air gaps belong to the second group, windward sections of all the air openings are parallel to the section of the ventilation pipeline, a flow limiting device is arranged at least on each air opening in the second group and is specifically arranged on the other end corresponding to the end of the windward section; and the number of the opened flow limiting devices of the air openings arranged on the ventilation pipeline sequentially increases or decreases as the distance from the flow limiting devices to the farthest position of the closed end of the ventilation pipeline decreases gradually. The quantity and speed of airflows can be adjusted by adjusting the number of the opened flow limiting devices so as to realize uniform air supply and uniform air discharge, and simultaneously, the flow-equalizing ventilation device with simple and convenient operation can realize uniform air supply and discharge via simple adjusting and flow limiting devices.

The invention provides a near field communication (NFC) and wireless charging integrated antenna device, an antenna module supporting multiplexing of NFC and wireless charging and an application thereof of an NFC and wireless charging integrated system. The NFC and wireless charging integrated antenna device comprises an antenna coil, wherein a wireless charging feeding point and an NFC and wireless charging shared feeding point are respectively arranged at two ends of the antenna coil in an extension way, an NFC feeding point is arranged at a middle part of the antenna coil in an extension way, a part, arranged between the NFC feeding point and the NFC and wireless charging shared feeding point, of the antenna coil is an NFC coil part, and a part, arranged between the wireless charging feeding point and the NFC and wireless charging shared feeding point, of the antenna coil is a wireless charging coil part. The NFC and wireless charging integrated antenna device has the following advantages that no extra NFC antenna is needed, the cost is reduced, the antenna space occupancy area becomes small, and the space utilization ratio becomes high.

The present invention discloses a light-emitting display with an asymmetric double slow side arc empty torus cathode commissure tilt door control structure. The light-emitting display comprises a vacuum enclosure and a getter accessory element arranged in the vacuum enclosure. The vacuum enclosure is composed of an anode transparent flat hard plate, a cathode transparent flat hard plate and a rectangular transparent frame; there are an anode line film strip layer, an anode gray silver outer-line layer and a thin light-emitting layer on the anode transparent flat hard plate, the anode line filmstrip layer is connected with the anode gray silver outer-line layer, and the thin light-emitting layer is formed on the anode line film strip layer; and there is an asymmetric double slow side arc empty torus cathode commissure tilt door control structure on the cathode transparent flat hard plate. The light-emitting display provided by the present invention has the advantages of a low manufacturing cost, high light-emitting brightness of the display and a reliable manufacturing process.

The invention discloses a distribution line fault indicator based on a wireless ad hoc network; the fault indicator comprises an acquisition unit and a gather unit; the acquisition unit comprises a data acquisition module, a first main control module and a first wireless ad hoc network communication module; the data acquisition module is connected with the first main control module; the first maincontrol module is connected with the first wireless ad hoc network communication module; the gather unit comprises a second wireless ad hoc network communication module, a second main control moduleand a wireless cellular network communication module; the second wireless ad hoc network communication module and the wireless cellular network communication module are respectively connected with thesecond main control module. The fault indicator uses the wireless ad hoc network communication modes to solve the long distance data transmission failing problems, thus increasing the fault indicatordetection valid distance; the fault indicator allows work personnel to handle the power grid operation states from the main station, and obtains the fault alarm information of the distribution line,thus monitoring the distribution line and locating faults online.

The present application provides a multi-band antenna, comprising at least one low-band sub-antenna; and at least one high-band sub-antenna comprising at least one high-band dipole and a reflector; wherein the high-band dipole and / or the reflector are / is structured and positioned so that current induced in the high-band sub-antenna by the low-band sub-antenna is directed to reflector over an extended effective distance in proportion to wavelength of the low-band sub-antenna.

The invention discloses an intelligent street lamp wireless control system and a method thereof. The system comprises a plurality of node units including synchrotimers, wireless devices, and controllers. The synchrotimers are used for carrying out time synchronization on the node units so as to enable time of all the node units of the system to be synchronized. The wireless devices consist of wireless receivers and / or wireless emitters. And the controllers are used for controling the wireless receivers to send wireless signals. The system uniformly sets emission time points of wireless signals in a period as well as sets emission contents or emission types of all the emission time points; and the different wireless signals are distinguished by the different emission time points. According to the invention, a transmission distance of a signal is substantially extended by a forwarding relay and an effective distance of a system signal can be improved. Besides, a current mode of single emission by one machine is changed into a mode of multiple emission by multiple machines, so that the stability of the system can be substantially improved and anti-interference capability can also be substantially improved; and moreover, emission time and emission contents are uniformly regulated, so that accurately synchronized and parallel operation of system signals can be realized.

The invention provides a method for improving the profile of a side wall of a grid electrode, and a semiconductor device manufacturing method. The method for improving the profile of the side wall of the grid electrode comprises the steps: covering the surface of a formed side wall layer with a protection layer, wherein the protection layer covers the side wall layer, thereby enabling the surface of a semiconductor substrate to tend to be flat; carrying out the vertical etching of the protection layer through employing the punchthrough etching technology with the high etching selection ratio of the side wall layer and the protection layer, so as to remove a part, located on a top plane of a grid structure, of the protection layer, and keep the parts located on side walls and an inclined shoulder of the grid structure; enabling the protection layer on the inclined shoulder to be able to protect the side wall layer below the protection layer in a process of forming the side wall through the partial etching of the side wall layer, thereby reducing the etching loss of a side wall material on the inclined shoulder, and finally obtaining the side wall with the width uniformity. The side wall can increase the effective distance between a contact hole, sequentially formed in a source / drain region, and the grid structure, improves the effect of ion injection of the source / drain regions, solves problems of threshold voltage and leaked current of a device, and improves the performance of the device.

The invention relates to the field of information acquisition, and in particular to an injection molding machine capacity acquisition system which comprises a data acquisition device, a processing device, a remote control terminal and a communication device, wherein the data acquisition device is used for acquiring various parameters of an injection molding machine, and environment parameters; the processing device is used for processing acquired data; the remote control terminal is adopted for remote control; the communication device is used for enabling the processing device to communicate with the remote control terminal; the data acquisition device comprises an acquisition card which is connected with an injection molding machine PLC and used for acquiring various data, a calibration module for calibrating an acquisition module, a display for displaying acquired data in real time, buttons for setting parameters of the acquisition card, and a power supply for supplying power. The injection molding machine capacity acquisition system is good in data processing property, high in acquisition precision, good in timeliness, low in operation cost and convenient in large-scale popularization and application.

The invention discloses assembly equipment of a precise infusion device, in particular automatic assembly equipment of the precise infusion device. The automatic assembly equipment mainly consists of a loading part for finishing automatic loading of a filter, a liquid inlet guide pipe and / or an infusion guide pipe, and an assembly and unloading part for automatically finishing automatic assembly of the filter, the liquid inlet guide pipe and / or the infusion guide pipe. The automatic assembly equipment solves the technical problem of improving the production efficiency of the precise infusion device, needs no manual operation in the process of finishing insertion assembly of the filter and the liquid inlet guide pipe or the infusion guide pipe on the whole precise infusion device, and is high in automation degree and assembly production efficiency; meanwhile, compared with such problems as easiness in generation of fatigue and easiness in deformation in operation under the condition of long-time work by assembly staff, the automatic equipment has the advantages of efficient, stable and continuous work under the long-time high-strength environment; and finally, the automatic assembly equipment of the precise infusion device, provided by the invention, effectively solves the economic problem of high enterprise labor cost output.

The invention relates to the robot control technology field, and particularly relates to a robot control system based on an intelligent mobile terminal. The robot control system comprises a robot main body and a mobile terminal; the robot main body comprises an embedded type controller, a first wireless communication module, a motor control module, a camera, a motor drive circuit, a motor, a gyroscope and an accelerometer. The invention also relates to the method which performs controlling by adopting a robot control system on the basis of an intelligent mobile terminal. The invention utilizes the current mobile terminal to replaces the complex dedicated control platform, which not only simplifies the operation, but greatly reduces the cost; the structure is simple and compact and is accommodated to the requirement for microminiaturization. The invention effectively expands the effective distance of the robot and the mobile terminal through comprehensively considering the communication cost and the communication quality, and effectively promotes the usage and promotion of the robot.

The invention discloses an automobile automatic driving auxiliary device, and relates to the information acquisition technology of the automobile automatic driving technology field. In order to enable an automatically driven automobile of acquiring hidden information shielded by obstacles, rain, snow, fog, and so on in a better way, and preventing the shielding of the communication between the automatically driving automobiles by the obstacles, the invention adopts the following measures that a radio receiving and transmitting device is disposed on the automobile, and is connected with an automobile computer; the automobile computer is connected with a satellite positioning signal receiving device, and is used to send the driving operation information and the position information of the automobile out, and is used to receive the position information and the operation information of other automobiles by the radio receiving and transmitting device, and then a decision basis is provided for the driving of the automobile. The automobile automatic driving auxiliary device is advantageous in that the automatically driven automobile adopts the radio communication technology, and therefore the information acquisition of the automatically driven automobile is not shielded by the obstacles, and the information acquisition range is enlarged.

The invention discloses a box type transformer station current-carrying fault prediction system. The system comprises a process layer, an interval layer and a station control layer, wherein the process layer is internally provided with a box type transformer station online monitoring terminal, the box type transformer station online monitoring terminal is connected with a wired temperature measurement module temperature measurement point, and the box type transformer station online monitoring terminal is also connected with a wireless temperature measure module temperature measurement point through a wireless personal area network; the interval layer is internally provided with a box type transformer station online monitoring IED, and the box type transformer station online monitoring IED is connected with the box type transformer station online monitoring terminal; and the station control layer is internally provided with a station end monitoring unit, and the station end monitoring unit is connected with the box type transformer station online monitoring IED. The invention further discloses an application method of a box type transformer station current-carrying fault prediction system. The box type transformer station current-carrying fault prediction system and the application thereof can monitor temperature change of contacts in an online mode and can also accurately position contacts with faults or hidden risks.

A label seat for a wireless radio-frequency recognition label comprises a base, a seat body, a top seat and a panel. The base is provided with a first fixedly connecting part, and the top seat is provided with a second fixedly connecting part and can be detachedly combined with the base. The panel can allow an electric label to be arranged and has a structure for adjusting angles relative to the top seat, and the optimal angle required upon the condition that a reading device reads the electric label can be adjusted so that an included angle is formed between the electric label and the top seat. The seat body is provided with a third fixedly connecting part and a forth fixedly connecting part, which can be detachedly arranged between the base and the top seat, and the quantity of the seat bodies is freely increased and reduced in accordance with the situation.