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1970results about How to "Easy to send" patented technology

Mobile video live broadcasting system

The invention discloses a mobile video live broadcasting system. The system comprises a mobile video acquisition terminal, a streaming media server and at least one media playing terminal, wherein the mobile video acquisition terminal is used for acquiring the current live broadcasting video information and converting the current live broadcasting video information into a video in a flash video (FLV) streaming media format in real time on a live broadcasting scene, communicating with the streaming media server which is erected in a network in a wireless way, and uploading the video in the FLV streaming media format to the streaming media server in real time; the streaming media server is erected in the network and used for forwarding the video in the FLV streaming media format, which is uploaded by the mobile video acquisition terminal in real time; and at least one media playing terminal is used for communicating with the streaming media server to acquire and play the video in the FLV streaming media format, which is forwarded by the streaming media server in real time. According to the system, special video acquisition equipment is not required to be erected on the scene, the video can be simply broadcast live, and the limitation of the conventional live broadcasting technology is eliminated.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Multifunctional physical simulation test system for coal engineering and coal model test method

The invention relates to a multifunctional physical simulation test system for coal engineering. The system comprises a test chamber, a model forming subsystem, a hydraulic loading control subsystem, a test subsystem and a gas pumping and injecting subsystem, wherein the test chamber comprises a loading frame and a counterforce cover detachably connected to one end of the loading frame; the loading frame and the counterforce cover are coaxially mounted on a base; a guide rail is arranged on the base in an axial direction of the loading frame; and support seats capable of sliding along the guide rail are mounted on the guide rail and are mounted at bottoms of the loading frame and the counterforce cover respectively; a track conveying subsystem for conveying models is detachably connected between the model forming subsystem and the test chamber. The invention further provides a coal model test method. According to the multifunctional physical simulation test system for coal engineering and the coal model test method, operation such as drilling, joint forming, fracturing, coal and gas outburst, excavation and support of underground construction and the like under actions of crustal stress, gas pressure and comprehensive multiple factors can be simulated, and an experimental verification means is provided for coal and gas outburst related occurrence mechanism, prediction and control.
Owner:CHONGQING UNIV

Method and device for fully automatically producing bed core

The invention discloses a method for fully automatically producing a bed core, which comprises: step 1, coiling steel wires into springs, and outputting the springs at equal intervals; step 2, adjusting the springs to upright conveying, then positioning the springs, arraying the springs into groups, and then automatically pushing the springs to a string spring position; and step 3, stringing the springs into the bed core by string spring steel wires. The invention also discloses a device for fully automatically producing the bed core, which comprises an automatic spring coiling machine, an automatic string spring assembling machine, an automatic feeding machine and a complete machine control device. The automatic spring coiling machine is provided with a step output mechanism. The automatic feeding machine is provided with a turnover mechanism, a transmission mechanism and a positioning push mechanism. The turnover mechanism is connected with the step output mechanism and simultaneously connected with the transmission mechanism. The positioning push mechanism comprises a position sensor, a plurality of positioning plates and a plurality of push plates. The automatic string spring assembling machine is placed on the transmission mechanism of the automatic feeding machine in parallel. The complete machine control device is connected with the position sensor. The method and the device can achieve full automatic production from the steel wires to the bed core, and have high efficiency.
Owner:叶超英

Technology and equipment for dedusting mixed oil gas

The invention relates to a technology and equipment for dedusting mixed oil gas, in particular to the technology and the equipment for dedusting mixed oil gas formed by splitting waste rubber and waste plastic. The technology is characterized in that the oil gas is sprayed and dedusted by same type of oil after being filtered and dudusted; and when dust falls, and oil adhered on the dust is converted into gaseous state from liquid state. The equipment comprises a tower body of which the lower end is provided with an oil gas inlet, wherein the tower body is internally provided with a filteringand dedusting mechanism and a spraying device for same type of oil, and the spraying device is arranged above the filtering and dedusting mechanism; the filtering and dedusting mechanism comprises dedusting rotary cage controlled by a lateral shaft; and the total volume of the filler filled into the dedusting rotary cage under the natural state is smaller than the volume of the dedusting rotary cage. In the invention, the reasonable technology and the reasonable equipment are adopted for dedusting and purifying oil obtained by splitting waste rubber and waste plastic, oil discharging quality and carbon black quality are improved, environmental pollution is lightened, thus providing a new path for solving the increasingly serious energy crisis, so that the technology and the equipment can be widely popularized and used.
Owner:NIUTECH ENVIRONMENT TECHNOLOGY CORPORATION

Method and device of remote underwater acoustic communication

The invention discloses a method and a device of remote uderwater acoustic communication. The device comprises more than one underwater communication nodes and more than one abovewater communication buoys which are responsible for communication with more than one underwater communication nodes within a set distance range through an underwater acoustic channel; and the communication connection is carried out between the abovewater communication buoys through a land wireless channel. In the method, the multi-frequency band combination is adopted to sent data in parallel, and the remote communication is realized by uniting the communication buoys; in the remote communication, a three-time handshake protocol in the carrier sense multiple access (CSMA) needs not to be used in the communicationbetween the underwater communication nodes and the buoys, while a channel can be directly monitored in a full frequency range; the data are synchronously sent to the abovewater communication buoys inparallel on each subchannel on the monitored idle channel by utilizing a frequency modulation method; and the data is transmitted by the abovewater communication buoys through a radio wave manner. Bythe method and device provided by the invention, one-time successful transmission probability of the two parties of the communication can be improved, and the anti-interference performance of a system is enhanced.
Owner:SOUTH CHINA UNIV OF TECH

Rail traffic vehicle-mounted BTM automatic test system and method

The invention relates to a rail traffic vehicle-mounted BTM automatic test system and method. The system comprises a simulation driving platform used for simulating electrical buttons on a real bridgeto realize the interaction with a vehicle simulator; the vehicle simulator used for simulating the running speed and location of a vehicle; a computer interlocking used for simulating a trackside device and sending the state of the trackside device to a trackside electronic unit; the trackside electronic unit used for calculating an ID of a transponder message and controlling the opportunity of sending the corresponding ID of the transponder message to a reference signal generator; the reference signal generator used for sending corresponding transponder message information stored in advanceto a reference loop; a BTM used for querying and obtaining the transponder message information stored in the reference loop; and an automatic train protection system used for sending a message query request to the BTM. By adoption of the rail traffic vehicle-mounted BTM automatic test system and method, the message collection action of a vehicle-mounted BTM through a series of transponders on theline can be simulated, which is convenient for the reliability test of the vehicle-mounted BTM.
Owner:HEFEI GOCOM INFORMATION &TECH CO LTD
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