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74results about How to "Experience impact" patented technology

Bluetooth function control method of mobile terminal and mobile terminal

The invention relates to the field of communication and discloses a Bluetooth function control method of a mobile terminal and the mobile terminal. According to the invention, the mobile terminal automatically starts the Bluetooth function when receiving a trigger signal of a voice application and finds a Bluetooth headset which can be paired with the mobile terminal to be paired by searching the Bluetooth headset which is in an available state around, and the Bluetooth headset is utilized to send and receive a relevant signal of the voice application (for example, the Bluetooth headset is utilized to carry out communication) after the pairing is succeeded. After the voice application is ended, the Bluetooth function of the mobile terminal is automatically closed. According to the Bluetooth function control method of mobile terminal and mobile terminal, the Bluetooth function on the mobile terminal still can use the Bluetooth headset to carry out communication or other voice applications without keeping open, thereby greatly lowering the power consumption and the electromagnetic radiation of the mobile terminal.
Owner:SHANGHAI SIMCOM LTD

Method and device for defensing CC (Challenge Collapsar) attack

ActiveCN105939361ADefense against CC attacksAvoid influenceTransmissionIp addressLower threshold
The invention provides a method and device for defensing a CC (Challenge Collapsar) attack. The method comprises the steps of carrying out statistics on accumulated accessed quantity of a URL address in a preset statistic period, and accumulated access quantity of a source IP address in an HTTP request message to the URL address in the preset statistic period when the HTTP request message requesting to access the URL (Uniform Resource Locator) address is received, wherein the preset statistic period is not smaller than a preset lowest threshold value; and affirming that there is the CC attack, and discarding the HTTP request message when it is determined that the amplitude of the accumulated accessed quantity exceeding the maximum accessed quantity of the URL address in the corresponding time period satisfies a first fluctuation relationship, and the amplitude of the accumulated access quantity exceeding the maximum access quantity of the source IP address to the URL address in the corresponding time period satisfies a second fluctuation relationship. Through application of the method, the CC attack can be effectively avoided without participation of a user, and the user experience is not influenced.
Owner:HANGZHOU DPTECH TECH

Safe data transmission method based on Real-Time Messaging Protocol (RTMP) connections

ActiveCN105847238AIncrease the difficultyNo significant impact on real-time performanceTransmissionTransmission protocolSecure transmission
The invention discloses a safe data transmission method based on Real-Time Messaging Protocol (RTMP) connections. The method has the advantages that functional extensions of the RTMP are carried out, and through a key negotiation process between a client and a server, an encryption algorithm and a key adopted by each connection are random, so that external cracking analysis of encrypted data is much more difficult; the symmetrical encryption algorithms are adopted for encryption processing, so that the encryption and decryption processing efficiencies are high, real-time performance of data transmission and user experience are not obviously affected, and the effects on the processing load of the server are small; meanwhile, the server can flexibly select an encryption mode, and, according to a user type or a resource type requested by a user, can determine whether encrypted transmission is needed or not or select one specific encryption algorithm and a key length (the keys with a length of 64 bytes or more can be provided, and the number of the encryption algorithms can reach 255).
Owner:HANGZHOU SHISHUO EDUCATION TECH CO LTD

Determination method for abnormal SQL (structured query language) statement and server

The invention discloses a determination method for an abnormal SQL (structured query language) statement and a server. The determination method comprises the following steps: obtaining total execution time and total execution frequency of each first service SQL statement in a current collecting period, taking the first service SQL statement corresponding to the total execution time before a first set number as a second service SQL statement; obtaining the total execution time and the total execution frequency of each second service SQL statement in a selected collecting period; calculating the rate of rise of the average execution time corresponding to the second service SQL statement; judging whether the rate of rise of the average execution time of each second service SQL statement is greater than a first set threshold value or not respectively, judging that the second service SQL statement with the rate of rise of the average execution time greater than the first set threshold value is the abnormal SQL statement. The normal operation of the system and good user experience are ensured by the technical scheme.
Owner:CHINA MOBILE GRP BEIJING

Method and device for synchronization of buffered cloud storage data

The invention provides a method and a device for synchronization of buffered cloud storage data, and aims at solving the technical problem of synchronization flow waste caused by frequent and transient updating on user data. The method comprises the steps as follows: a middleware device receives a first file which is to be stored on a cloud; the first file is a file in user equipment; the middleware device obtains a capacity value of the first file, judges whether the capacity value of the first file is greater than or equal to the preset threshold value; when the capacity value of the first file is smaller than the preset threshold value, and the middleware device does not receive a second file within a first preset time period after receiving the first file, the first file is transmitted to a cloud storage synchronization folder which is connected to the cloud; the second file is a file which is to be stored on the cloud. By virtue of the method and the device for batch synchronization, the network flow overhead of cloud storage application is effectively lowered; an obvious effect on user experience is not caused.
Owner:TSINGHUA UNIV

Expansion valve control method and device and air conditioner

The invention provides an expansion valve control method and device and an air conditioner. A up-to-temperature shutdown opening of an expansion valve is preset in the air conditioner, the expansion valve control method comprises the steps that when the opening of the expansion valve is reduced to a first opening value according to the obtained up-to-temperature shutdown instruction and the expansion valve operates for the first duration with the first opening value, the opening of the expansion valve is reduced to a second opening value from the first opening value, the first opening value isgreater than the up-to-temperature shutdown opening, and the second opening value is less than the up-to-temperature shutdown opening; operating data corresponding to the operation of the air conditioner with the second opening value are obtained; and if the operating data of the air conditioner meet the preset conditions, the opening of the expansion valve is restored to the up-to-temperature shutdown opening to enable the air conditioner to be maintained in a shutdown mode. In the way, airflow noise of the air conditioner can be effectively reduced or eliminated in the whole shutdown mode so as to avoid the impact on the experience of users.
Owner:NINGBO AUX ELECTRIC

Emotion icon processing method, device and electronic apparatus

The present invention discloses an emotion icon processing method, a device and an electronic apparatus. The emotion icon processing method comprises the steps of acquiring an emotion characteristic value uniquely corresponding to a received emoticon icon; according to a local emotion mapping table, acquiring a local emotion corresponding to the emotion characteristic value, and then displaying the local emotion. According to the technical scheme of the invention, the local emotion mapping table is not required to be synchronized by two communication parties, while neither the mapping relationship between emotion icons and local emotions nor the local emotion mapping table of a local emotion database needs to be synthesized. Meanwhile, local emotions can be normally displayed and the user experience is improved. At the same time, the unique correspondence between emotion icons and local emotions is realized. The condition that due to the fact that one emotion icon corresponds to a plurality of local emotions, a user gets confused and feels bad in experience can be avoided. In addition, all devices involved during the communication process are mutually independent. Therefore, the rapid and iterative development is facilitated.
Owner:ALIBABA (CHINA) CO LTD

Radio interface switching method of smart phone

The invention relates to a radio interface switching method of a smart phone. The method comprises the steps of: (1) collecting the eigenvalue of the current available wireless network; (2) calculating the cost function value of the current signaled wireless network by using cost function according to the eigenvalue of the wireless network; (3) selecting the wireless network with a large cost function value as the current access network according to the cost function value; (4) setting a feedback input parameter of the cost function, and setting application program and web sites to a black / white list; and (5) determining the specific location of the current application program or the web site in the black / white list, and the feedback input parameter of the cost function, and regulating the current access network. According to the radio interface switching method of smart phone provided by the invention, the method not only can be operated on a smart phone directly without adding extra facilities nor modifying the current network protocol so as to fully utilize the characteristics of heterogeneous wireless networks and to improve the user experience, but also can eliminate the influences of switching-caused network interrupt on the user experience.
Owner:INST OF INFORMATION ENG CHINESE ACAD OF SCI

A method and a user equipment for reserving bandwidth

ActiveCN102047637AReduce the number of renegotiationsNo negative impact on the experienceTelevision systemsTransmissionUser equipmentTimer
At a user equipment a conditional bandwidth re-negotiation method is provided for managing bandwidth re-negotiations when the user equipment is engaged in an IPTV session with an IPTV network and a channel switch has been requested. When it is determined that the requested channel requires less bandwidth than the presently selected channel, a conditional bandwidth re-negotiation process is initiated wherein, upon having switched to the requested channel, a timer is started. If, a timeout of the pending timer is recognised prior to another channel switch request, a bandwidth re-negotiation procedure is initiated, while no bandwidth re-negotiation is to be executed if another channel switch request is recognised prior to timeout of the pending timer.
Owner:TELEFON AB LM ERICSSON (PUBL)

Pillow capable of collecting physiological signal of human body

The invention discloses a pillow capable of collecting a physiological signal of a human body. The pillow comprises a pillow body and an elastic induction rope, wherein the induction rope is arranged in the pillow; the two ends of the induction rope are respectively fixed on the side walls of the pillow body so as to enable the induction rope to be in a natural elongation state or a stretching state; when an external force is applied to the induction rope, the induction rope generates corresponding stretching deformation to generate an electric signal. According to the pillow capable of collecting the physiological signal of the human body, the induction rope which is in the stretching state and has elasticity is arranged in the pillow, when a person rests the head on the pillow, a micro-motion signal generated by the human body can be collected, and then a corresponding human body physiological parameter is calculated out through an appointed algorithm and the like; the induction rope has elasticity, so that the induction rope does not have obvious influences on human head experience in a using process; the situation that the structure of the induction rope is damaged due to high deformation of the induction rope is not caused, so that the service life of the induction rope is prolonged; the accuracy of collecting the micro-motion signal by the pillow capable of collecting the physiological signal of the human body is further improved.
Owner:ヤンソン

Beam switching method and device

The embodiment of the invention provides a beam switching method and device, relates to the technical field of communication, and solves the problem of frequent beam switching caused by short shielding of beams. The method comprises the following steps that network equipment predicts: on a terminal side, the change amplitude of the beam intensity of a first beam at the next moment relative to thebeam intensity at the current moment; if it is determined that the change amplitude is greater than the preset threshold, the network equipment acquires the identifier of the second beam and the azimuth angle of the second beam; the network equipment sends the identifier of the second beam and the azimuth angle of the second beam to the terminal, and acquires the azimuth angle of the first beam from the terminal; the network equipment compares the azimuth angle of the first beam with the azimuth angle of the second beam, and if the azimuth angle of the first beam is equal to the azimuth angleof the second beam, beam switching is not performed; if the azimuth angle of the first beam is not equal to the azimuth angle of the second beam, the terminal switches from the first beam to the second beam. The embodiment of the invention is applied to beam switching.
Owner:CHINA UNITED NETWORK COMM GRP CO LTD

Power consumption optimization method and device for 5G terminal during service concurrency, equipment and medium

The invention provides a power consumption optimization method and device for a 5G terminal during service concurrence, electronic equipment and a storage medium, and the 5G terminal is located in EN-DC networking. The method comprises the following steps: detecting whether the 5G terminal is in a state of concurrence of a voice service and a data service; and if so, determining whether the 5G terminal satisfies a preset power consumption optimization condition, and if so, switching the data service to a 4G LTE network. According to the method, the power consumption of the 5G terminal can be remarkably reduced, and the user mainly concentrates on the voice service and the attention to the data service is reduced under the scene of the voice service and the data service, so that the data service is switched to the 4G LTE network and the user experience is not greatly influenced.
Owner:SPREADTRUM COMM (SHANGHAI) CO LTD

Network television business management method as well as system and network television portal

The invention discloses a network television business management method, which comprises the following steps: receiving business request information of a network television terminal; obtaining the configuration information of the network television terminal according to the received business request information of the network television terminal; and sending the business information conforming to the business request information of the network television terminal and the configuration information to the network television terminal. The invention also discloses a network television portal and a network television business management system. Through sending the business information conforming to the business request information of the network television terminal and the configuration information to the network television terminal, the invention realizes the uniform television service and the effect of only sending the business information conforming to the network television terminal to the network television terminal, so the influence on the user experience by unsupported or nonoptimal business is avoided.
Owner:KONKA GROUP

Sound playing control method, sound playing control device and intelligent terminal

The invention provides a sound playing control method, a sound playing control device and intelligent equipment. The sound playing control method is applied in the intelligent equipment with single loudspeaker and a plurality of front cavities. The sound playing control method comprises the following steps: acquiring sound playing environment related information; determining the best front sound playing cavity according to the sound playing environment related information and a set sound playing processing strategy; and opening the channel of the best front sound playing cavity. The sound playing control device is provided with the single loudspeaker and the plurality of front cavities. The sound playing control device comprises an environmental information acquisition module, a front sound playing cavity determining module and a sound hole channel control module, wherein the environmental information acquisition module is used for acquiring the sound playing environment related information; the front sound playing cavity determining module is used for determining the best front sound playing cavity according to the sound playing environment related information and the set sound playing processing strategy; and the sound hole channel control module is used for opening the sound hole channel of the best front sound playing cavity. According to the technical scheme provided by the invention, intelligent switch of channels having the single loudspeaker and the plurality of front cavities can be realized; and thus, the best balance of the music playing effect, the material bill cost and the structural volume is achieved.
Owner:PHICOMM (SHANGHAI) CO LTD

Method and device for confirming feedback information

The invention discloses a method and device for confirming feedback information, and the method comprises the steps: receiving ACK / NACK feedback information transmitted by a terminal; determining a reference subframe of a first downlink subframe if the feedback information of the first downlink subframe of M downlink subframes cannot be judged to be ACK or NACK according to the feedback information; and determining whether the feedback information of the first downlink subframe is ACK or NACK based on the statistical probability of ACK in the ACK / NACK feedback information received in a statistical period according to the ACK / NACK feedback information of the reference subframe of the first downlink subframe, mixed automatic retransmission request HARQ information of the first downlink subframe and the reference subframe of the first downlink subframe. The method makes the most of subframe correlation, increases the useful information of subframe feedback judgment, solves a problem that a base station cannot effectively determine whether the feedback information is ACK or NACK in prior art, and improves the performance of carrier aggregation.
Owner:DATANG MOBILE COMM EQUIP CO LTD

Self-adaptive setting method and system for alarm strategy of vehicle active safety system

InactiveCN112289075AInterfere with normal drivingExperience impactAnti-collision systemsDriver/operatorAlarm state
The invention discloses a self-adaptive setting method and system for an alarm strategy of a vehicle active safety system, which belong to safe driving of vehicles. Collision time and a signal of a vehicle are obtained through a data acquisition module, the collision time is obtained by ADAS equipment according to positioning and movement information of an obstacle, and the signal of the vehicle is obtained by the ADAS equipment through a CAN bus; driving habit analysis is conducted through a data analysis module according to the collision time and the signals of the vehicle, an alarm strategyis formulated on the basis of the analyzed driving habit, and the driving habit comprises the size relation between the driver braking operation time point and the collision alarm point, the LDW alarm state and the corresponding steering lamp operation state; and the alarm strategy in the ADAS equipment is updated through the upgrading module according to the reformulated alarm strategy. Based onthe driving habit and style of the driver, the alarm and control strategy of the vehicle-mounted active safety system is adaptively and dynamically adjusted, and the influence of the unified alarm strategy on the user experience is avoided.
Owner:WUHAN JIMU INTELLIGENT TECH CO LTD

Attitude detection method and device, electronic equipment and computer readable storage medium

The embodiment of the invention provides a posture detection method and device, electronic equipment and a computer readable storage medium, and relates to the field of computer processing. The method comprises the following steps: acquiring an image sequence corresponding to a target object and motion data of a target part of the target object, and determining first three-dimensional coordinate information of each key point of the target part in any image in the image sequence; and determining a first unit vector representing the direction of the target part according to the first three-dimensional coordinate information of each key point. And determining a second unit vector representing the direction of the target part based on the motion data of the target part. And determining the attitude of the target part according to the similarity between the first unit vector and the second unit vector and the first three-dimensional coordinate information of each key point. According to the method, the first three-dimensional coordinate information of the target part is combined with the motion data of the target part, so that the posture of the target part can be accurately determined, and the user perception is improved.
Owner:BEIJING ESWIN COMPUTING TECH CO LTD

Resource scheduling method, device and cloud management server based on private cloud computation

The invention provides a resource scheduling method, a device and a cloud management server based on private cloud computation. The resource scheduling method comprises the following steps of: generating different guarantee priority levels according to the importance and the real-time performance of cloud computing tasks; when the input of an external power supply is interrupted, acquiring the guarantee priority levels to which all the cloud computing tasks belong; and according to the current power level of a machine room and the guarantee priority levels to which all the cloud computing tasks belong, respectively carrying out scheduling processing on all the cloud computing tasks. The device comprises a first division module, a first acquisition module and a scheduling module. The cloud management server comprises a resource scheduling device based on the private cloud computation. The method in the invention reduces the influence on user experience of private clouds due to faults of the external power supply.
Owner:BEIJING XINWANG RUIJIE NETWORK TECH CO LTD

Intelligent mobile terminal interface selection framework and method

The invention discloses an intelligent mobile terminal interface selection framework. The intelligent mobile terminal interface selection framework comprises a self-adaptive rule module, a network interface selector and a network flow manager; the self-adaptive rule module makes a corresponding performance index for each application; the network interface selector intelligently selects the most suitable network interface currently for network flow; the network flow manager transmits the network flow to the network interface appointed by the network interface selector to transmit and process the network disconnection phenomenon; a virtual network interface is arranged between the application and a real network interface layer; the flow of all upper applications is connected onto the virtual network interface; and the uplink flow is transmitted to the upper applications through the virtual network interface. By means of the intelligent mobile terminal interface selection framework disclosed by the invention, influence of network signal fluctuation on the user experience is reduced by intelligent selection of the network interface; furthermore, network disconnection can be effectively processed; and influence of network disconnection on the user experience is reduced.
Owner:TSINGHUA UNIV

Call charging method, service control equipment and call control system

The embodiment of the invention discloses a call charging method, service control equipment and a call control system, which are used for avoiding that the expense of the previous conversation cannot be deducted because the reserved amount of the previous conversation is occupied by the next conversation when the balance of account of the user is lower. The method disclosed by the embodiment of the invention comprises the steps: the service control equipment receives a call control request sent by switching equipment, extracts call characteristic parameters included in the call control request, and judges whether call control items corresponding to the call characteristic parameters exist; if yes, the service control equipment returns a rejection call message to the switching equipment; and if not, the service control equipment sends a charging request to the charging equipment. The invention also provides the service control equipment and a call control system.
Owner:SUZHOU YUDESHUI ELECTRIC TECH CO LTD

Noodle making method of intelligent noodle maker

The invention discloses a noodle making method of an intelligent noodle maker. The noodle maker comprises a seat with a motor, a control unit arranged in the seat, and a stirring cup and a noodle squeezing cylinder connected with the seat, wherein a stirring rod is arranged in the stirring cup, a screw rod is arranged in the noodle squeezing cylinder, a die head is arranged at the end part of thenoodle squeezing cylinder, and the motor drives the stirring rod and the screw rod to rotate. The noodle maker in the working process at least comprises the following several steps: a dough making step: the motor drives the stirring rod to forwardly rotate to stir and mix water and flour in the stirring cup into dough; and an extrusion forming step: the motor drives the screw rod to reversely rotate to push the dough in the noodle squeezing cylinder ahead to the die head, thereby extruding the dough into noodles, wherein in the dough making step, the control unit controls the stirring rod to rotate at different rotation speed according to different ambient temperature T. The noodle making method of the intelligent noodle maker effectively improves the noodle production rate and the mouthfeel of the noodles.
Owner:HONGYANG HOME APPLIANCES

Method for realizing 3D image display and 3D display equipment

PendingCN112929637ASmall amount of calculationHigh-quality naked-eye stereoscopic displaySteroscopic systemsCathode-ray tube indicatorsEngineering3d image
The invention relates to a 3D display technology, and discloses a method for realizing 3D image display, which comprises the following steps: detecting the posture change of 3D display equipment, the 3D display equipment comprises a multi-view naked-eye 3D display screen, the multi-view naked-eye 3D display screen comprises a plurality of composite pixels, each composite pixel in the plurality of composite pixels comprises a plurality of composite sub-pixels, and each composite sub-pixel comprises a plurality of composite sub-pixels; each composite sub-pixel in the plurality of composite sub-pixels comprises a plurality of sub-pixels corresponding to a plurality of viewpoints under one posture of the 3D display equipment; when it is detected that the posture of the 3D display device changes, the displayed image is adjusted to be in the display dimension different from the display dimension before the posture of the 3D display device changes, and the display orientation of the displayed image is adjusted. The display orientation of the displayed image is kept at the initial display orientation before the posture of the 3D display equipment is changed. The problems that an appropriate picture cannot be displayed and the calculated amount is large when the posture of the electronic equipment is adjusted are solved. The invention further discloses 3D display equipment.
Owner:BEIJING IVISUAL 3D TECH CO LTD +2

Energy efficiency optimization method suitable for mobile application processor

The embodiment of the invention provides an energy efficiency optimization method suitable for a mobile application processor, and the method comprises the steps of collecting target environment state data of system software and hardware during the operation of a mobile game, and constructing an FPS-Meet scene data set and an FPS-Loss data set according to whether frame loss occurs or not; obtaining an FPS-Meet scene frequency modulation model and an FPS-Loss scene frequency modulation model through the data set; writing the FPS-Meet scene frequency modulation model and the FPS-Loss scene frequency modulation model into an operating system kernel; when the mobile application runs, reading the software and hardware environment state of the system in the kernel of the operating system at regular time, and calling the corresponding model according to whether the current game loses frames. According to the method, scene-adaptive processor frequency adjustment according to the scene of the mobile application can be realized, the required frequency can be accurately calculated when the load fluctuation is calculated, and extra energy consumption overhead caused by performance excess can be avoided; and when the calculation load fluctuates violently, the frequency is increased in time to prevent frame loss and lagging from influencing the user experience.
Owner:NANJING YIZHI CYBERSPACE TECH INNOVATION INST CO LTD

Electronic cigarette tar leakage prevention atomizer

PendingCN109832669AStrong anti-oil leakage effectEasy to useTobacco devicesTarEngineering
The invention relates to an electronic cigarette tar leakage prevention atomizer, which comprises a suction nozzle, a tar storage assembly, a heating assembly and a casing, wherein the suction nozzleis provided with a gas outlet; the tar storage assembly comprises a tar storage cavity and an end cover; the tar storage cavity is provided with a tar outlet; the end cover is matched with the tar outlet; the heating assembly is used for atomizing fluid in the tar storage cavity; a gas flow passage is arranged in the casing; the gas flow passage communicates with the gas outlet; the end cover andthe tar outlet can relatively move, so that the matching between the tar outlet and the end cover is in a maintaining state or a relieving state; in the maintaining state, the tar outlet is sealed; inthe relieving state, the tar outlet is opened; fluid flows out from the tar outlet and is heated by the heating assembly to be atomized; and atomized aerosol reaches the gas outlet through the gas flow passage. The electronic cigarette tar leakage prevention atomizer has the advantages that the tar leakage prevention effect is high; the use is convenient; tobacco tar can be enabled not to be leaked out from the two ends of the atomizer; and further, no influence is caused on the experience of a user.
Owner:SHANGHAI NEW TOBACCO PRODUCTS RESEARCH INSTITUTE CO LTD

Method and device for defending against cc attack

The invention provides a method and device for defensing a CC (Challenge Collapsar) attack. The method comprises the steps of carrying out statistics on accumulated accessed quantity of a URL address in a preset statistic period, and accumulated access quantity of a source IP address in an HTTP request message to the URL address in the preset statistic period when the HTTP request message requesting to access the URL (Uniform Resource Locator) address is received, wherein the preset statistic period is not smaller than a preset lowest threshold value; and affirming that there is the CC attack, and discarding the HTTP request message when it is determined that the amplitude of the accumulated accessed quantity exceeding the maximum accessed quantity of the URL address in the corresponding time period satisfies a first fluctuation relationship, and the amplitude of the accumulated access quantity exceeding the maximum access quantity of the source IP address to the URL address in the corresponding time period satisfies a second fluctuation relationship. Through application of the method, the CC attack can be effectively avoided without participation of a user, and the user experience is not influenced.
Owner:HANGZHOU DPTECH TECH

Streaming data processing method and device

The embodiment of the application discloses a streaming data processing method. The method comprises the following steps: a first streaming data processing partitioned piece determines business processing time of first business data after receiving a first streaming data processing request, wherein the first streaming data processing request is used for requesting business processing of first business data; when business processing time of the first business data exceeds first pre-set time, the first streaming data processing partitioned piece stops performing business processing of the firstbusiness data; after receiving a second streaming data processing request, the first streaming data processing partitioned piece carries out business processing or adjusting processing of the second business data, wherein a second streaming data processing request is used for requesting business processing of the second business data, wherein the second business data ranks behind the first business data. With the method provided by the embodiment, certain business data with overtime business processing is jumped over so that user experience is improved.
Owner:ADVANCED NEW TECH CO LTD

Method for quickly previewing online streaming media video content in MP4 format

The invention discloses a method for quickly previewing online streaming media video content in an MP4 format. The method specifically comprises the following steps: when a user just enters playing, acquiring the size of all key frames in an entire MP4 and locations of the key frames in a file; after acquisition of information about all the key frames, executing an action of selecting key frames from the entire video file for the first time, uniformly selecting a plurality of key frames from all the key frames, and downloading the selected key frames, so that the user can preview the entire video file at any time, a key frame picture being closest to a location designated by the user is presented to the user; and after the first selection and downloading of the key frames, continuing second or more times of selection and downloading, wherein the density of the second selection is higher than the density of the first selection, and the user can get a better understanding of the entire video. The method has the beneficial effects that the user can quickly preview full content of an online MP4 video without any waiting, thus greatly increasing the previewing efficiency.
Owner:HANGZHOU ARCVIDEO TECHNOLOGY CO LTD

Service data packet encapsulating method and device

The invention discloses a service data packet encapsulating method and device. The method at least comprises the steps that a source communication device acquires the mobility support parameter of a current service, wherein the mobility support parameter is used for indicating whether a corresponding service needs mobility support, and the source communication device at least comprises an ID identity layer and a Locator location layer; the source communication device determines whether the current service needs mobility support according to the mobility support parameter of the current service; when the source communication device determines that the current service does not need mobility support, the source Locator of the source communications device and the destination Locator of a destination communications device are acquired; and the source Locator and the destination Locator are used to encapsulate the Locator layer of a data packet to be sent by the current service. According tothe service data packet encapsulating method and device, network overhead can be saved.
Owner:HUAWEI TECH CO LTD

Dual-battery management system applied to AR intelligent glasses

The invention discloses a dual-battery management system applied to AR intelligent glasses. The dual-battery management system comprises a first battery, a second battery and a system control module;the first battery and the second battery are mounted on legs of the intelligent glasses respectively; the system control module is mounted in the middle of a glass frame; the intelligent glasses are provided with AR optical display lenses; a system module, a charging circuit, a power supply circuit and a battery voltage detection circuit are arranged in the system control module; the first batteryand the second battery are both connected with a charging selection circuit, a battery power supply selection circuit and a battery voltage detection circuit; the battery voltage detection circuit isconnected with the system module; and the system module is connected with the charging selection circuit, the battery power supply selection circuit and a USB power supply input port separately. Thedual-battery management system is simple in structural principle, prolongs the duration of the AR intelligent glasses, has barely influence to the appearance and user experience of the AR intelligentglasses, and is very convenient and practical.
Owner:九天无限智能科技有限公司
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