59results about How to "Avoid out-of-sync problems" patented technology

The invention relates to a precise-amount seed dibbing machine, which comprises a controller, a machine frame, a motor, a driving component arranged on the machine frame, a matrix covering hopper, a seed dibbing component and a soil covering component, wherein the matrix covering hopper, the seed dibbing component and the soil covering component are arranged over the driving component and are sequentially arranged along the moving direction of the driving component; and the driving component can drive a seedling disc to move below the matrix covering hopper, the seed dibbing component and the soil covering component. The seed dibbing machine of the invention solves the technical problem that the traditional seed dibbing machine imprecisely dibbles seeds, wastes time and labour and is low in working efficiency. The seed dibbing machine of the invention has the advantages of high seed dibbing precise and high working efficiency.

The invention discloses a voice control method applied to a system which is provided with a first audio unit and a second audio unit. The voice control method includes the steps of acquiring first voice information input by the first audio unit, recognizing a voice command of the first voice information, judging whether to stop acquisition of second voice information input by the second audio unit or not according to the voice command, and if so, then stopping acquisition of the second voice information input by the second audio unit. In the system provided with the first audio unit and the second audio unit, the first audio unit is used as an audio input source of a voice recognition engine, the second audio unit is used as an input source of other applications such as call recording, and thus, the voice command can be recognized parallelly during calling or voice recording. Therefore, the general problem in the industry that it is impossible to realize parallel processing of the voice command during audio or video calling is solved.

The invention discloses an ovum retrieval system suitable for one-handed operation. The ovum retrieval system comprises an ovum retrieval device, a negative-pressure device, an ovum collection deviceand an optical fiber endoscopic imaging device. One end of the optical fiber endoscopic imaging device is arranged inside a puncture needle, the other end of the optical fiber endoscopic imaging device is connected with a control device by an external optical fiber, and image signals transmitted by optical fibers can be acquired and processed by a display terminal to obtain front-end images of thepuncture needle; a switch can be pushed, so that the ovum retrieval device can be communicated and connected with the negative-pressure device and the ovum collection device, the head of the punctureneedle can be in negative-pressure states, ova can be sucked, and real-time states of the ova can be transmitted to the display terminal by the optical fiber endoscopic imaging device via the controldevice. The ovum retrieval system has the advantages that a medical staff can operate an ovum retrieval needle with the single right hand in operation procedures, and accordingly puncture and ovum retrieval actions can be completely carried out; the medical staff can exactly operate an ultrasonic guide probe with the liberated left hand, accordingly, single-person left and right hand coordinationwork can be implemented, and the problem of disharmonious and asynchronous multi-person operation can be solved.

The embodiment of the invention provides a data packet processing method and device and a storage medium. The method comprises the following steps: receiving a to-be-processed data packet through a network card of a server; copying the data packet from a hardware cache region of the network card to a pre-allocated user state memory region according to a preset mapping relationship; and pushing thedata packet stored in the user mode memory area to a user mode application program, so that the user mode application program performs related processing on the pushed data packet. According to the embodiment of the invention, the data packet is prevented from being copied from the hardware cache region of the network card to the kernel mode memory region; according to the method, the data packetis copied from the kernel mode memory area to the user mode memory area, so that the processing flow of the data packet is simplified, the resource consumption of a CPU (Central Processing Unit) anda network card is reduced, and the problems of video lag and asynchronous audio and video caused by active packet loss of the network card are avoided.

The invention discloses a video splicing and displaying method and displaying control equipment and is used for improving resolution of spliced video images. The video splicing and displaying method comprises the steps of collecting at least one way of video signal through utilization of at least one collection port on the displaying control equipment, and storing synchronization information contained in each way of video signal, wherein each collection port collects each way of video signal, and the synchronization information contained in each way of video signal is a count value of a framesynchronization Vsync signal in each way of video signal, and if the count values corresponding to any two frames of video signals are the same, the collection time of the any two frames of video signals is the same; and controlling the at least one way of video signal to be output to a displaying side for synchronous displaying, according to the synchronization information contained in each way of video signal.

The invention relates to an intelligent pure water and car washing integrated device with a networking function. The self-service car washing and pure water integrated device provided by the invention consists of an automatic pure water vending machine, a self-service car washing control system connected with a self-service car washer and a self-service car washing device adapted to the self-service car washing control system. According to the intelligent pure water and car washing integrated device with the networking function, a network communication function is added based on a non-networked car washer; a service center is additionally provided with network communication, and each car washing device is integrated with a network module, so that the real-time communication between a network server and equipment is realized, the problem that information is not synchronized can be effectively avoided, and thus, loss caused by copying cards and the like is avoided; meanwhile, the monitoring and adjustment on car washing fees are more convenient; the car washing device and the automatic water vending machine are combined, so that the problem of wastewater generated by a water purifying device is further solved, the problem of difficulty in utilization of waste water is fundamentally solved, the waste water is fully utilized to car washing work, water resources are saved, and the profit is increased.

The invention relates to a microphone connection live broadcast method and device, electronic equipment and a storage medium, which are used for at least solving the problems that live broadcast interaction scenes realized by a live broadcast method provided in related technologies are few and sound and picture asynchronization is easy to occur, and the method comprises the following steps: obtaining a microphone connection live broadcast request sent by a first live broadcast client, wherein the microphone connection live broadcast request carries information of a second live broadcast clientto be connected with a microphone and information of a first audience client connected with the microphone; determining live broadcast video stream addresses corresponding to the first audience client and the second live broadcast client according to the microphone connection live broadcast request; and according to the live broadcast video stream address, respectively obtaining live broadcast video streams corresponding to the second live broadcast client and the first audience client, and pushing the live broadcast video streams to the first live broadcast client, so that the first live broadcast client analyzes and combines the live broadcast video streams.

The invention discloses an assembly material car, which is characterized by the following: connecting shaft (7) and shaft (13) on the walking car rack (5); connecting shaft (3) on the moving rack (2); connecting the bottom of connection rod (4) with walking car rack (5) through shaft (7) and top with moving rack (2) through shaft (3); connecting the left end of connection rod (16) with shaft (3) and right end with bellcrank (12); connecting bellcrank (12) and crank (14) on the shaft (13); connecting the other end of crank (14) with cylinder (10); connecting the other end of cylinder (10) with the walking car rack (5). The invention adapts one cylinder lift material, which avoids non-synchronizing problem of multiple cylinders.

The invention relates to a luggage conveyor belt system. The luggage conveyor belt system is characterized by comprising a conveyor belt body, a driving roller assembly and a driven roller assembly, the driving roller assembly and the driven roller assembly are arranged at the two ends of the conveyor belt body, the conveyor belt penetrates through the whole system, the luggage conveyor belt system further comprises a belt tension mechanism, a steering carrier roller and an off tracking correcting system, and the tension mechanism, the steering carrier roller and the off tracking correcting system are arranged between the driving roller assembly and the driven roller assembly. The luggage conveyor belt system has the advantages of being simple in overall structure, convenient to operate and stable in performance, and the maintaining cost is greatly reduced; due to the fact that the driving roller assembly is provided with a self-aligning bearing, the concentricity of a driving motor and a roller is guaranteed, the driving motor can be directly connected with a driving roller, necessary chain wheels in the prior art are removed, and cost is reduced; due to the fact that the driving motor is directly connected with the driving roller, the driving roller is directly driven to work, the problems of desynchrony and chain tension are avoided, and working efficiency is improved.

The invention relates to the technical field of multimedia, and specifically provides a video and audio synchronization method and device for solving the technical problem that video data and audio data are not synchronized. For this purpose, the audio and video synchronization method in the invention comprises the following steps: obtaining an audio data packet and a video data packet, and separately storing corresponding audio frame data and video frame data; combining all stored audio frame data and video frame data into a video and audio data packet, and performing statistics on video frame rate; calculating the reference time of the next video and audio data packet according to the number and the video frame rate of the currently stored video and audio data packets; and judging whether the current moment is greater than the reference time, and if so, decoding the video and audio data packet. Meanwhile, the device in the invention can execute the steps of the method. The technicalscheme of the invention can ensure that the audio and video playback has high fluency and synchronicity under the condition of limited network transmission bandwidth or complex network environment.

The invention provides a method and a device for browser cross-page data sharing. The method and the device are applied to a terminal. The method includes storing shared data into a caching space of the terminal when the circumstance that any page in a browser has the shared data; detecting whether new shared data exist in the caching space or not by other webpages in the browser; if yes, judging whether the webpages need to acquire the new shared data or not; if yes, reading the new shared data into memory spaces corresponding to the webpages to display the new shared data on the webpages. By the technical scheme, the problem of data asynchronism when multiple pages exist can be avoided, server load increase can be reduced, and network congestion can be avoided.

Embodiments of the invention relate to the technical field of cloud computing, and provide a multi-screen display method and device for redirecting a video. When it is determined that a real-time playposition of a virtual play is beyond a display range of a current physical display corresponding to a video play, that is, a video redirecting window is changed in another physical display, first video data in a video cache area is put in a temporary cache area at first, then a video play framework of a client is restarted proactively, so that the video redirecting window of the client is rapidlyswitched to a target play position of a target physical display, after restart is completed, first video data in the temporary cache area is played at first, so that video and audio freezing in the prior art is prevented, and the user experience is improved effectively.

The invention discloses a wireless video conference system for intelligent building construction management. The wireless video conference system comprises an audio module for voice acquisition, conversion, transcoding, translation and output; a video module for picture acquisition, compression, transcoding optimization and output; and a main control module for controlling file transmission, speaking and coordinating audio and video. The conference fund and time are saved, the timeliness is improved, different languages can be conveniently translated and displayed by arranging the translation module and the voice conversion module, the applicability is improved, the conference content can be conveniently understood, the data processing efficiency is improved by separately processing videos and audios, and the user experience is improved; meanwhile, synchronous transmission and output of videos and audios are ensured, the problem that sound and image information are not synchronous is avoided, conference records can be conveniently watched at any time through cloud disk storage, the storage space is increased, confusion caused by simultaneous speaking is avoided through arrangement of a speaking coordination module, the order is improved, and the conference efficiency and quality are improved.

The invention relates to a data transmission method for integrating structured data and unstructured data. Structured data and unstructured data are integrated into a file for transmission, so that the structured data and the unstructured data can be synchronized when being transmitted, exchanged and shared in a network, and thereby the problem of data asynchronism which exists during separate transmission; moreover, in the process of data transmission and pro cessing, after being effectively associated by the method designed by the invention, the structured data and the unstructured data can be centrally and synchronously processed in an application system, consequently, the complexity of asynchronous processing is avoided, and meanwhile, the problem of data inconsistency caused by the loss of data among the structured data or the unstructured data is also avoided; furthermore, based on a structure designed in data transmission, paring corresponding to the structure is designed, unified parsing and processing is carried out for the received structured data and unstructured data, and thereby the parsing efficiency in the data transmission process is greatly increased.

The invention relates to the field of signal transmission, in particular to a transmission method and a device of audio / video signals of composite video so as to solve the problems that in the prior video and audio monitoring technology, video signals and audio signals are transmitted respectively, and therefore the video signals and the audio signals are not synchronous. The transmission method includes steps of obtaining the audio signals through sampling within a line synchronization time when aiming at a line of video signals, carrying out amplitude adjustment and amplitude modulation on amplitude values of the audio signals obtained through sampling, obtaining modulating signals of the audio signals, converting a part of video amplitude modulation signals in a line blanking time area of the line video signals into modulation signals of the video signals, and then sending out the converted line video signals. The phenomenon that the video signals and the audio signals are prone to not synchronous at a receiving end when the video signals and the audio signals are transmitted respectively can be avoided, and synchronous and collinear transmission of the video and the audio is achieved.

The invention discloses an audio transmission method. The method comprises the following steps of obtaining a PCM (Pulse Code Modulation) data packet of audio data in audio / video streams of a video inreal time when the video is played, and sending the PCM data packet to a WiFi sound box wirelessly connected with local equipment; detecting whether the WiFi sound box is in a working ready state ornot; and sending a preset audio delay value to the WiFi sound box if the WiFi sound box is in the working ready state, thereby enabling the WiFi sound box to carry out delay control over output time of the PCM data packet according to the audio delay value when the local equipment plays video images of the video, and realizing synchronization of the video images and the audio data corresponding tothe PCM data packet. The invention discloses an audio transmission device and equipment and a readable memory medium. According to the method, the device, the equipment and the readable memory medium, the problem that audios and images are asynchronous due to audio delay resulting from WiFi transmission is avoided, and audio and image synchronization efficiency is improved.

The invention discloses a distributed cluster time synchronization method and device and a computer readable storage medium, and relates to the field of computers. The method comprises the following steps: receiving a Tick request instruction sent by a service node and determining a current Tick; new Ticks with the corresponding number are generated according to the number of the instructions for requesting the Tick, and 1 is sequentially added to the new Ticks on the basis of the current Tick; and sending the new Tick to the corresponding service node according to the order of receiving the instruction for requesting the Tick. Through adoption of a logic clock mode, time synchronization of interaction of each service node is achieved, and the problem of data asynchronization in a cluster is avoided.

The invention discloses a loading and unloading truck, which has the following structure: a second shaft (7) and a third shaft (13) are connected to a traveling vehicle frame (5), and a first shaft is connected to a movable frame (2) (3); the lower end of the connecting rod (4) is connected with the traveling vehicle frame (5) by the second shaft (7), and the upper end is connected with the movable frame (2) by the first shaft (3); the left end of the connecting rod (16) It is connected with the first shaft (3), and the right end is connected with the crank throw (12); on the third shaft (13), the crank throw (12) and the crank (14) are connected, and the other end of the crank (14) is connected with the oil cylinder (10) connection, the other end of the oil cylinder (10) is connected with the traveling frame (5); the first shaft (3) is connected with the movable frame (2) through the second bearing seat (18), and the second shaft (7) is connected through the first bearing Seat (17), third shaft (13) are connected with traveling vehicle frame (5) by the 3rd bearing seat (19). The invention only uses one oil cylinder to lift materials, avoids the problem of asynchronous use of multiple oil cylinders, and has simple structure, convenient operation and small maintenance workload.

The invention discloses a computer data transmission system. According to the transmission system, the structured data and the unstructured data are integrated in one file to be transmitted so that the structured data and the unstructured data are enabled to be synchronized in transmission, exchange and sharing in the network, and the problem of data asynchronization in separate transmission can be avoided. According to the method, a free factor rf is introduced to act as a degree of freedom for structured data coding so that the problem of high error floor in a second basis matrix generated under an extension factor zf can be reduced and the reliability of data transmission can be enhanced. The network equipment of the transmission system can determine the clock frequency proportional relation of the data receiving module and the data output module in different clock domains, and the data output rate is controlled by using the counter without using asynchronous FIFO logically so that the risk of data overflow caused by the asynchronous FIFO queues can be avoided.

The invention provides a voice communication method, a voice communication device, a computer readable storage medium and electronic equipment, and relates to the technical field of communication. Thevoice communication method comprises the steps: when it is detected that user equipment enters a new tracking area, sending a tracking area updating request to a network side, wherein the bearing information in the tracking area updating request is empty; receiving a voice bearer activation request sent by the network side; receiving the voice bearer activation request to establish a voice bearerbetween the user equipment and the network side, wherein the voice bearer is used for transmitting voice data; receiving a tracking area update acceptance message fed back by the network side in response to the tracking area update request, and updating the tracking area to the new tracking area. According to the invention, the call success rate can be improved when the user equipment updates thetracking area.

The embodiment of the invention provides a device, system and method for drawing a landmark map based on binocular vision. The device comprises a first lens, a first prism, a second prism, an image sensor, an image processing module and a GNSS differential positioning module. The first lens and the first prism are symmetrically arranged along the central axis of the second prism, wherein the first lens and the first prism located on one side of the second prism sequentially form a left light path, and the first lens and the first prism located on the other side of the second prism sequentially form a right light path. The light along the left light path and the light along the right light path are reflected to the image sensor through the second prism. The image sensor is used for obtaining an image collected by a binocular lens and transmitting the image to the image processing module. The image processing module is used for analyzing and processing image data. The GNSS differential positioning module is used for obtaining the coordinate of the original point of the lens coordinate system in the world coordinate system through GNSS differential positioning. The requirement on a processor is reduced, the precision is high, and the cost is low.

The invention discloses a backup method of link status annunciation. The backup method comprises that a reserved board receives a first level shift amplifier (LSA) generated and sent by a main board, wherein the first LSA is sent after the main board records flooding information of the first LSA, and the flooding information is used for indicating that the first LSA is in a flooding state; the reserved board stores the received first LSA; and the reserved board replaces the main boar to conduct flooding treatment on the first LSA after storing the received first LSA to enable the main board to remove locally-stored flooding information of the first LSA after receiving confirmation responses aiming at the first LSA and returned from a neighbor device. The invention discloses a backup device. By means of the backup method and the backup device, when LSA backup is carried out, LSA desynchronized problems caused by LSA backup failures can be avoided, operation complexity of the main board can be reduced, LSA backup efficiency is improved, and load sharing can be achieved.

The invention provides a three-dimensional temperature measuring imaging system with low cost which avoids the problem of the synchronization discrepancy brought about by a plurality of image-formingcomponents and simultaneously carries out three-dimensional structure reconstruction on a high temperature object. The three-dimensional temperature measuring imaging system comprises an optical lensgroup, an image conducting fiber, an imaging element and a signal processor along a light path, wherein the optical lens group comprises at least three groups of optical lens groups; and the imaging element is of a single-chip color CCD or a CMOS imaging element. The system and a method based on heat source radiant non-contact middle-high temperature object surface imaging temperature measuring can compare a plurality of image signals so as to detect the temperature measuring boundary of the object, use a multiband heat source radiant temperature arithmetic and system characteristics for calculating the surface temperature of the measured object, and simultaneously can carry out three-dimensional characterization on the surface temperature field of the measured object.

The invention relates to a control method of an air conditioning unit and related equipment. The control method comprises the following steps that a control instruction of an air conditioning unit exiting an oil return control mode or the control instruction of defrosting control mode is detected; if the control instruction is detected, operation states of compressors before the air conditioning unit enters the oil return control mode or the defrosting control mode is obtained, and the operation states of the compressors are single-compressor operation or at least two compressors are operated;and if the operation state of the compressor is the single-compressor operation, each compressor of the air conditioning unit is controlled to operate according to a first target frequency, the firsttarget frequency is larger than or equal to the lowest frequency when all the compressors normally run. Therefore, the frequency requirements of all compressors can be met, the problem that the compressors are out of step due to the fact that the operation frequency is low is avoided, so that the control effect of the air conditioning unit can be improved.

The embodiment of the invention discloses a component integration method and device, a computer readable storage medium and electronic equipment. The method comprises the following steps: acquiring a target component belonging to a Flutter component; determining whether a Flutter software development kit (SDK) is deployed locally or not to obtain a judgment result; according to the judgment result and a component code directory of the target component, determining and obtaining each component on which the target component depends; calling a preset component integration function, and integrating each component on which the target component depends into a host project associated with the target component; and integrating the target component into the host project according to the component description configuration file of the target component. According to the embodiment of the invention, the Flutter component can be successfully integrated into the APP needing to use the Flutter component, the whole process is very convenient to implement, excessive manual participation is not needed, the problems of incomplete and asynchronous manual introduction can be avoided, and the integration efficiency and effect can be ensured.

The application provides a control method and a control device of a servo driver. The method comprises that when a first terminal executes a write data operation aiming at an input register, whether the first terminal completes the write operation aiming at the input register is continuously determined; if the first terminal completes the write operation aiming at the input register, data in the input register is correspondingly transferred and stored into an intermediate register; and when the first terminal completes the write operation aiming at the input register, a second terminal is allowed to execute a read operation aiming at an output register. During a data updating course, the control method and the control device of the servo driver provided by the application carry out the read operation at first and then carry out the write operation, or carry out the write operation at first and then carry out the read operation rather than alternatively carry out the read and write operations. Hence, the problem about data non-synchronization of the two terminals caused by that one terminal executes an updating operation and the other terminal also executes the data updating operation simultaneously can be avoided.

The invention provides a synchronous control processing system and method for multiple control terminals of a small boat, and aims to solve the technical problems of asynchronous control of multiple control terminals of an existing small boat and boat control right switching. The system comprises a control unit, a navigation controller, a boat end display controller and a switch, and the method comprises the steps of sending a control right request instruction to a boat end display controller according to a boat end control unit or a shore-based end control unit, using a boat end controller todecide whether to respond to the control right request instruction or not, and switching the control right of a navigation controller by the boat end control unit or the shore-based end control unit;using the navigation controller to feed back the navigation data of a device to the boat end controller, the boat end control unit and the shore-based end control unit, thereby realizing the synchronous control of the control units. According to the present invention, the boat control right switching and the boat synchronous control are achieved.

The invention provides a data processing method, electronic equipment and a computer readable storage medium, and the method comprises the steps: a first processor determines an audio time variable of a target audio data frame according to system time and an original timestamp of the target audio data frame, and a second processor carries out the audio time variable of the target audio data frame when the target audio data frame is played; according to the audio time variable, whether a target video data frame corresponding to the target audio data frame meets a display condition is judged, and if yes, the second processor determines to display the target video data frame. By using the audio time variable as the reference feature for judging whether the target video data frame corresponding to the target audio data frame is displayed or not by the second processor, the synchronism of the target audio data frame and the target video data frame can be improved, and the problem that played sound and pictures are not synchronous is effectively avoided.

The invention discloses a servo valve needle hot runner system. The servo valve needle hot runner system is characterized by comprising a servo motor, a valve needle fixing plate and a splitter plate; a plurality of hot nozzles are arranged on the splitter plate; a driving shaft of the servo motor is connected with one end of a coupler, and the other end of the coupler is connected with a ball screw; the ball screw is supported and installed on a bearing block and a ball screw nut; the ball screw nut is installed on a main pushing plate; the axes of the driving shaft of the servo motor, the coupler and the ball screw coincide with one another; the main pushing plate is provided with a screw hole; the ball screw is matched with the screw hole in the main pushing plate; the main pushing plate is connected with two upper pushing plates; two lower pushing plates are installed on the valve needle fixing plate; the lower surface of each upper pushing plate and the upper surface of each lower pushing plate both are oblique faces with the inclination angle being 10-60 degrees; the oblique faces of the lower pushing plates are provided with grooves; lower guide rails are installed in the grooves; two lower sliding blocks are installed on the oblique faces of the upper pushing plates; and the main pushing plate drives the lower sliding blocks to slide on the guide rails through rotation of the ball screw.

The invention relates to a data updating method, a server and terminal equipment, and particularly relates to the technical field of communication. Comprising the steps that a reservation request of a first user sent by terminal equipment is received, the reservation request comprises a designated place, designated time and a reservation item, and the reservation request is used for requesting to allow the first user to execute the reservation item at the designated time and the designated place; the reservation information is updated to a user record of the first user, and the reservation information comprises a designated place, designated time and a reservation item; and sending a confirmation response message to the terminal device, the confirmation response message being used for indicating that the first user is allowed to execute the reservation item at the specified time and the specified place. The embodiment of the invention is used for solving the problem of asynchronous updating modes and data of timed tasks.