288results about How to "Easy to implement" patented technology

The system comprises: stream-media releasing end, index server, client side, server for recording the watched program at customer end, and time transmission center. The method comprises: 1) said stream-media releasing end gets the precise time value from the time transmission center; 2) the stream-media releasing end disassembles the stream-media data into multi stream-media data fragments used by P2P system; labeling time mark on each fragment; sending the fragments to the network; 3) the client side gets the stream-media fragments data with said time mark from the stream-media release end or other P2P client sides; the client side extracts the time mark of each fragment; 5) the client side converts the time mark into the precise records of programs watched by user; collecting the precise records from all client sides.

A method for MIMO wireless communication comprises the steps of generating inner and outer codes based on channel state information available at a transmitter and concatenating different inner codes with different outer codes; and using the generated concatenated inner and outer codes for wireless communication. The inner and outer codes are based on channel phase information at the transmitter or channel feedback. High-performance trellis codes or block codes for use in cellular networks are illustratively described. The space-time trellis codes are generated by set partitioning on a plurality of classes of signal designs to generate a series of inner codes, each of the series of inner codes being optimized by channel phase feedback, and concatenating each inner code with a multiple trellis coded modulated outer code to provide a complete space-time trellis code as a cophase space-time trellis code.

The present invention relates to a portable electronic device comprising:

• • a housing;
  • a camera unit, which can be rotated relative to the housing, for capturing an image;
  • magnetic detection means for detecting a rotational position of the camera unit;
  • image processing means for modifying the image captured by the camera unit depending on the rotational position detected by the magnetic means.

The magnetic detection means comprise a magnetic transmitter attached to the camera unit and a magnetic receiver attached to the housing.

A mobile phone generates respective thumbnail image data of a plurality of original image data obtained by a user in an image pickup unit with a continuous photographing form, and temporarily stores in a first memory together with the original image data. The mobile phone then displays an overview of the thumbnail image data on a display unit and, immediately thereafter, can continuously display the plurality of original image data on the display unit. The user can determine whether to store the data or not corresponding to a state of playback thereof. When the user directs to store the original image data, the original image data is permanently stored in a second memory.

The invention discloses a vehicle door hinge. The vehicle door hinge comprises a fixed hinge plate, a rotating hinge plate and a hinge pin. The middle portion of the upper edge of the fixed hinge plate is provided with a first sleeve, the connection portion between the first sleeve and the fixed hinge plate is provided with a transition block in the shape of a right triangle, the fixed hinge plate is further provided with a plurality of round grooves for placing pads, and every round groove is provided with a first bolt hole. The rotating hinge plate comprises a lower half portion and an upper half portion which are in right angle transition, both sides of the lower edge of the lower half portion are respectively provided with a second sleeve, and a groove for placing the first sleeve is formed between the two second sleeves. The vehicle door hinge can improve the strength of the connection between the sleeve of the fixed hinge plate with the fixed hinge plate, enhances the fixing strength by additionally arranging the round grooves for placing the pads in the outer edge of the bolt hole of the fixed hinge plate, saves materials, is simple in structure and easy to implement and has a good application prospect.

The invention relates to a LoRa-based intelligent lead fish data acquisition device, which belongs to the technical field of electronic information data acquisition. The LoRa-based intelligent lead fish data acquisition device comprises an intelligent lead fish data acquisition system, an MCU data processing module and a LoRa wireless communication module, wherein the intelligent lead fish data acquisition system is used for acquiring hydrological data and inputting the acquired hydrological data to the MCU data processing module in a voltage signal form; and the MCU data processing module converts the voltage signals transmitted from the intelligent lead fish data acquisition system to digital signals, the digital signals are then packaged to a data packet, and the data packet is then transmitted to a hydrometric station through the LoRa wireless communication module. The problems of low data precision, inconvenient acquisition, long data acquisition time consumption and poor real-time performance existing in hydrological cableway data measurement can be solved, the structure is simple, the realization is easy, and the LoRa-based intelligent lead fish data acquisition device is suitable for real-time and convenient acquisition of watershed hydrological data required by the hydrometric station under severe weather conditions.

The invention relates to a hydraulic suspension stiffness adjustment system, stiffness adjustment method and automobile, and relates to the technical field of automobiles and is designed for solving the problem of poor comfort of the whole automobile caused by poor suspension vibration isolation effect. The hydraulic suspension stiffness adjustment system includes a controller, a supercharge oil circuit and a pressure relief oil circuit, wherein that supercharge oil circuit comprises a liquid storage tank, a hydraulic pump and a one-way supercharge valve, and the pressure relief oil circuit comprises a one-way pressure relief valve, a one-way pressure boost valve, a one-way pressure relief valve and a hydraulic mount are all connected with the controller, and the controller is also connected with an ECU, a TCU, a vibration frequency sensor and a space angle sensor. The stiffness adjusting method utilizes the hydraulic suspension stiffness adjusting system to adjust the stiffness of thehydraulic suspension. The vehicle includes the hydraulic suspension stiffness adjustment system described above. The invention provides a hydraulic suspension stiffness adjusting system, a stiffnessadjusting method and an automobile for isolating vibration between a power train and a vehicle body, thereby improving driving and riding comfort.

The invention specifically relates to a soil contamination remediation agent, belonging to the technical field of soil contamination remediation. The soil contamination remediation agent comprises polyacrylamide, sodium polyacrylate, fly ash, phosphate rock, monosodium glutamate fermentation tail liquid, humic acid, manganese sulfate, calcium hydroxyphosphate, a microbial agent, an organic fertilizer and the like. The invention also provides a preparation method of the soil contamination remediation agent. Since mixing is performed after pretreatment operations like heat treatment of kakoxene,fermentation and sterilization of the organic fertilizer and pulverization of the monosodium glutamate fermentation liquid, the prepared soil contamination remediation agent can fully utilize domestic and industrial waste, effectively adsorb and immobilize heavy metal pollutants, improve soil environment and enhance fertility; and the soil contamination remediation agent is an economic and environment-friendly remediation technology.

The invention discloses a method for identifying the position of a pipeline based on micro-motion information, and belongs to the technical field of engineering detection. The method comprises the steps of: linearly placing a plurality of noise sensors on the ground surface at certain intervals, and then using the noise sensors for collecting natural noise; analyzing and extracting data in a sampling time period according to different frequencies to obtain Rayleigh wave speed information of different frequencies and different depths, drawing a Rayleigh wave speed profile map, and realizing pipeline position identification according to speed characteristics in a noise speed profile map. According to the method for identifying the position of the pipeline based on the micro-motion information, manual excitation of Rayleigh wave signals is not needed, the requirement for the exploration environment is low, the position of the deeply-buried pipeline can be normally detected under the general environmental condition, the requirement for the material of the pipeline is not needed, detection of a metal pipeline and a non-metal pipeline can be achieved, the detection depth can reach 30 meters, and the diameter of the detectable pipeline is 0.5-5 meters.

The invention discloses a harmonic suppression system and method for a steering-by-wire permanent magnet synchronous motor. The harmonic suppression system comprises a corner controller, a rotating speed controller, a current controller, a reverse Park conversion module, an SVPWM module, a three-phase inverter, a permanent magnet synchronous motor, a current sensor, a Clark-Park conversion module, a corner rotating speed sensor and a current harmonic suppression module, wherein the current harmonic suppression module adopts discrete extended Kalman filtering to obtain an estimated value of a d-q axis current signal, the estimated value is subtracted from an actual measurement current signal to obtain a deviation signal, the deviation signal is input into a PI controller, a compensation voltage signal for suppressing current harmonic is output, and after being superposed with the output signal of the current controller, the signal acts on the vector control of the permanent magnet synchronous motor so as to achieve the purpose of suppressing current harmonics. The method is high in calculation speed, does not depend on an accurate motor model and a current measurement signal, does not depend on a specific harmonic order, and has a good inhibition effect on current harmonic signals in all frequency ranges.

The invention discloses a vehicle fault diagnosis system and method. The system comprises a user terminal and a vehicle-mounted processing device, wherein the user terminal is used for generating a vehicle fault diagnosis instruction, sending out a first acoustic wave signal after converting the vehicle fault diagnosis instruction into the first acoustic wave signal, and receiving a second acoustic wave signal sent by the vehicle-mounted processing device; and the vehicle-mounted processing device is used for parsing the first acoustic wave signal, sending a diagnosis request to a corresponding vehicle controller according to the first acoustic wave signal, receiving a fault code fed back by the vehicle controller, converting the fault code into the second acoustic wave signal and sending the second acoustic wave signal to the user terminal. According to the invention, the fault code of a vehicle electronic control unit can be converted into the acoustic wave signal which can be identified by the user terminal, so that the vehicle fault diagnosis system and method are convenient for a user to carry out diagnosis on a vehicle by the user terminal, and are greatly convenient for the user, easy to implement and low in required cost.

A method for playing a gaming device where selected bets enable various bonuses. In the preferred embodiment 5 different bonuses are offered depending on credit per line bets, and said bonuses may occur in combination.

The invention discloses a four-phase five-wire system low-voltage distribution transformer, which comprises a Vv transformer and a three-phase transformer, wherein two primary windings of the Vv transformer are connected with a B-phase and a C-phase of a three-phase power grid, and a common point of the two primary windings is connected with an A-phase of the three-phase power grid; primary windings of the three-phase transformer are sequentially connected with the A-phase, the B-phase and the C-phase of the three-phase power grid, and a common point of two secondary load windings of the three-phase transformer and a common point of secondary windings of the Vv transformer are connected and serve as an N line; the Vv transformer comprises a feeder F1 and a feeder F2; the three-phase transformer comprises a feeder F3 and a feeder F4; a first flexible compensation device is arranged between the feeder F1 and the feeder F4; and a second flexible compensation device is arranged between the feeder F2 and the feeder F3. Compared with the traditional three-phase four-wire system distribution way, the four-phase five-wire system low-voltage distribution transformer can save a lead wire, and the neutral current is only 26% of a sum of two phase currents when two phase loads are equal, thus the four-phase five-wire system low-voltage distribution transformer is more economical and efficient.

The invention discloses a method for detecting the coaxiality error of central axes of mouse tooth disk pair, which comprises the following steps of: a mouse tooth disk pair is installed and a reference mouse tooth disc is fixed. A detection device is respectively propped against the reference outer circle and reference inner circle of the reference mouse tooth disc and synchronously slides alongthe reference outer circle and the reference inner circle so as to obtain a plurality of first meter values corresponding to a plurality of position points on the reference inner circle; and then a detection device is adopted to respectively prop against the reference outer circle and detection inner circle for measuring the mouse tooth disc and synchronously slide along the reference outer circleand the detection inner circle so as to obtain a plurality of second meter values which respectively correspond to a plurality of position points on the detection inner circle corresponding to the reference inner circle one by one. According to the plurality of first meter values and the plurality of second meter values, the coaxiality error of central axes of mouse tooth disc pair is obtained, when the detection method is adopted, the operation steps are simple, the error detection is convenient and fast, the detection period can be greatly shortened, and the production and manufacturing processes of the mouse tooth disc are accelerated.

The invention provides a method for measuring the physical yielding point position and the stress level of a component. The method is technically characterized in that thermal image shooting is performed on the component in the static load tension test process, and the physical yielding point position and the stress level of the thin-plate component are accurately measured based on synchronous load and component temperature field data. Relatively accurate physical yielding point position and stress can be acquired, and more accurate mechanical property reference data are provided for welding joint design and performance evaluation. As the position firstly with yielding is the weakest position in a structure, the method can be applied to structural static load test to accurately locate theweak position, overall performances are improved for design, and the problem of insufficient precision of a current macroscopic shielding strength measuring method based on a stress-strain curve is solved. The method is simple to use, easy to implement and excellent in practicability, and original static load tension test is not changed.

The invention discloses a smart pet ring, and a pet monitoring system and monitoring method. The smart pet ring comprises a ring body, a main control module, a power source module, a positioning module, a communication module and a detecting module, wherein the main control module, the power source module, the positioning module, the communication module and the detecting module are arranged at the ring body. The power source module, the positioning module, the communication module, and the detecting module are connected with the main control module. The main control module being an Android main control module is used for processing data. The power source module is used for providing power for the main control module, the positioning module, the communication module and the detecting module. The positioning module is used for acquiring positioning data. The communication module is used for carrying out wireless communication and emergency communication between the ring body and a cloudserver. The detecting module is used for detecting body signs of a pet. According to the invention, the smart pet ring, and the pet monitoring system and monitoring method are easy to implement; theposition and vital signs of the pet can be monitored in real time; and the smart pet ring can be combined with the mobile phone APP, so that the functions are perfected.

A disc hydraulic anti-lock brake and a brake system are provided. The disc hydraulic anti-lock brake includes a support (400) provided with a first opening (415), a core tube (502), a first passage (406), a second passage (412), a third passage (409) and a braking sheet base; a first piston (501) disposed in the first opening (415), with a first cavity being communicated with the first passage (406) and a service brake valve, and the first piston (501) being provided with a second opening (504); a second piston (506) disposed in the second opening (504), with a second cavity (508) being communicated with the core tube (502), the second passage (412) and a parking brake valve; an elastic member (505) disposed between the second piston (506) and the bottom of the second opening (504); a braking terminating system provided with a pump (315) and an unloading valve (322); a braking disc (900) provided with a counting gear ring and a mounting portion; and an anti-lock system provided with acounting sensor, a motor (309), and a liquid drainage valve (310). A liquid inlet of the liquid drainage valve (310) is communicated with the first cavity through the third passage (409). According tothe brake, the support (400) is provided with the first opening (416) and the second opening (417), and the first piston (601) and the second piston (701) are disposed in the first opening (416) andthe second opening (417) respectively. The brake system can achieve service braking, parking braking and anti-lock braking, and is easy to achieve.

The invention relates to a motor vehicle (1) having an access management system for managing access to the vehicle, the access management system being configured so as to detect the presence of an identifier (3), such as an electronic key or a mobile telephone, close to the vehicle (1) and so as to activate a courtesy light when the identifier is detected within a first zone, called courtesy zone(4), the access management system including a counter whose count value is incremented by a unit upon each activation of the courtesy light, the activation of the courtesy light no longer being possible if the count value reaches a predetermined value.

The invention discloses an environment-friendly cleaning cloth mop cleaning device. The device comprises a cleaning box, a base, first motors and a mop wringing mechanism, wherein the bottom of the cleaning box is connected with the base, the base is communicated with the cleaning box, a water storage tank is arranged in the base, the multiple first motors are distributed on an upper surface of the cleaning box at equal intervals, a plurality of mop water squeezing mechanisms which are flush with the first motor and driven by the first motor are installed on a back plate in the cleaning box at equal intervals, and two door plates are installed on a front end face of the cleaning box in a sliding mode; the mop water squeezing mechanism comprises a lifting rod, a dragging and dropping frame, an inner water squeezing ring, an outer water squeezing ring and a water squeezing clamping block, the outer water squeezing ring is arranged outside the inner water squeezing ring in a sleeving mode and movably connected with the inner water squeezing ring, and a convex tooth ring is arranged on an outer circle face of the inner water squeezing ring in a protruding mode. According to the cleaning device for the environment-friendly cleaning cloth mop, cleaning convenience of the mop in daily use is improved, and cleaning efficiency is improved.

A digital photographing apparatus is provided. The digital photographing apparatus includes a photographing unit that generates photographed images from incident light, a live view generator that generates a live view image from the photographed images, and a display unit that displays the live view image. The live view generator determines the number of real-time photographed images to be combined, according to a set exposure time. The live view generator combines the real-time photographed images of the determined number to generate the live view image. The live view generator combines latest real-time photographed images of the determined number to update the live view image whenever a real-time photographed image is input.

The invention belongs to the technical field of low-pressure fuel pumps of an aviation engine fuel system, and relates to a fuel inlet device for improving the self-suction capacity of a centrifugal pump. The device comprises an integrated induction impeller (1), a pump cover (2) and an injection pipe (3), and a formed internal structure comprises a mixing section (4), a nozzle (5), a throat pipe(6), an oil return pipe (7), a diffusion section (8) and an oil return port (9). According to the device, the pump cover of the centrifugal pump is skillfully utilized, the oil return port and the oilreturn pipe are arranged to introduce high-pressure oil at an outlet back to an inlet, and the jet flow is formed through the nozzle, so that the energy at the inlet is increased and the cavitation resistance is improved while the self-suction capacity of the inlet is improved; and the device is simple in structure and easy to realize, and the weight and the space are saved.