37 results about "Wireless video" patented technology

Provided in the embodiments of the present disclosure is a video transmission device. In the video transmission device, a video transceiving unit has two functions of receiving a video and sending a video, and a wireless communication unit can implement transceiving of video data in a wireless manner, such that the video transmission device can be multipurpose, i.e., the video transmission device can be used as both a wireless video-transmission transmitting device and a wireless video-transmission receiving device, so as to adapt to different scenarios. In addition, the video transmission device can further be integrated with a display unit, allowing the video transmission device to function as a monitor regardless of whether same is used as the transmitting device or the receiving device, thereby facilitating a user in watching, anytime and anywhere, a video that is sent or received by the video transmission device, which is highly flexible and convenient.

The utility model relates to the technical field of communication, and discloses a multi-mode wireless video return device, comprising a housing, a transmission assembly fixedly connected to the outside of the housing and used for returning video data, four connecting shafts detachably connected to the bottom of the housing, and rotating balls rotatably connected to the bottoms of the four connecting shafts. The bottom of the rotating ball is fixedly connected with a supporting shaft, the outer portion of the supporting shaft is slidably connected with a plurality of sliding shafts, the rotating ball is fixedly connected to the bottom of the supporting shaft, and the bottom of the rotating ball is rotatably connected with a fixing seat. According to the device, when a device fixing environment vibrates, the fixing base is fixed in the environment and moves along with the environment, due to the existence of the rotating ball, the rotating ball and the supporting shaft connected with the rotating ball can rotate in a self-adaptive mode when the fixing base moves, and it is guaranteed that the device does not incline after the supporting shaft rotates through the multiple sliding shafts; therefore, the shock insulation effect is achieved.

A video laryngoscope system in which a video laryngoscope is automatically connected to one or more medical devices within a patient environment. The video laryngoscope may automatically perform an unfamiliar wireless connection process for each of a plurality of external devices at startup and without further user input to establish a wireless connection to each of the plurality of external devices. The video laryngoscope may then transmit images captured by the video laryngoscope camera to the plurality of external devices via the established wireless connection.

1. The name of the design product: wireless video pile. 2. The use of the design product: video pile for parking fee monitoring. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

This invention discloses a wireless low-latency video receiver line block compression and linked recovery system, belonging to the field of wireless video transmission and display technology. After decoding at the receiver, the system performs line block-level visual lossless compression and storage of the image, replacing traditional whole-frame storage. The display side reads the compressed line blocks on demand, decompresses them, and stores them in a small-capacity display buffer. Combining innovative technologies such as adaptive line block compression strategies, intelligent prefetching mechanisms, multi-level error detection, dynamic buffer management, and frame rate linkage control, the system significantly reduces display latency and improves its recovery capability and display smoothness under wireless channel interference. While ensuring visual losslessness, it can reduce display latency by more than 50% and storage bandwidth requirements by more than 65%, making it suitable for latency-sensitive applications such as wireless projection, remote control, and video conferencing.

The invention relates to the field of video conferences, in particular to a wireless video conference system, which identifies the current class state of each student in a wireless video network class in real time by introducing an image identification technology, and judges whether the students have illegal attendance behaviors or not according to the identified class state result. The five violation coefficients are dynamically adjusted through violation attendance behaviors, the attendance management score of each student on the day is managed more reasonably, a comprehensive attendance module is combined to record the historical violation behaviors of the students, and the attendance management score of the students on the day is comprehensively calculated through the historical violation attendance behavior records of the students and the comprehensive calculation of the attendance management score on the day. And the attendance of the student on that day can be scored more scientifically and in a humanized manner.

The invention relates to the technical field of virtual reality, in particular to a wireless video streaming system for multiple virtual reality devices in a fixed space, which comprises at least one VR service terminal used for coding virtual reality content and transmitting video streams to multiple customer experience terminals through a fixed bit rate by using a UDP protocol; the plurality of customer experience terminals are used for receiving the video streams and decoding and displaying the video streams; the network middle layer comprises at least one gateway router and a plurality of access points (AP), the gateway router is used for distributing static IP addresses and controlling the bandwidth of each terminal, and the APs are used for being connected with the customer experience terminal and carrying out load balancing. And the user experience and the system performance in a multi-device concurrent environment are obviously improved.

The invention relates to a video monitoring method and system for intelligent parking wireless video equipment, and the method comprises the following steps: collecting a parking space image of a parking space region, and detecting whether the parking space image has license plate information attached to a vehicle or not; if yes, character and color recognition is carried out on the license plate information, and a license plate color number is obtained; if not, determining a parking space scene state of the parking space area based on the parking space image; and synchronizing to a parking management cloud platform based on the license plate color number or the parking space scene state, so that the management platform performs order charging management and parking space resource scheduling, and the technical problem of difficulty in urban parking is solved.

The application relates to the technical field of video equipment detection, and discloses an abnormality monitoring method and system for a wireless video equipment of intelligent parking, which collects monitoring data of a plurality of monitoring sources, integrates the monitoring data to generate multi-source monitoring data, performs preliminary fault analysis on the multi-source monitoring data based on a local terminal to obtain preliminary analysis information, uploads the multi-source monitoring data to a cloud platform to comprehensively analyze and infer the multi-source monitoring data, obtains deep analysis information, extracts abnormal event information from the preliminary analysis information and the deep analysis information, and executes corresponding management actions according to the abnormal event information.

The application relates to a video data encryption method and system of a smart parking wireless video device, which comprises the following steps: frame extraction and structured processing are performed on collected parking site videos to obtain structured plaintext data, a video signature string is obtained by string splicing of the structured plaintext data based on a preset device-specific key; MD5 hash operation is performed on the video signature string to obtain parking data signature; the structured plaintext data and the parking data signature are combined and encrypted in a JSON format to obtain parking data encryption messages; and the parking data encryption messages are sent to a server through an HTTPS protocol to complete video data encryption transmission, thereby solving the technical problem of data transmission safety risks in traditional modes.

The invention provides a high-definition wireless video stream data compression method based on a self-adaptive code rate, which aims at a scene that a wireless client cannot acquire a physical layer channel state and does not have cooperation of a server, and carries out gear selection on a fragment boundary only according to fragment downloading time consumption and a buffer margin. According to the method, a gear correction time-consuming residual error is introduced as a de-confusion discrimination amount, a tolerance threshold value and a separation threshold value are generated in combination with a buffer state, an interval drop point is determined, and the space between the two threshold values is defined as a residual error fuzzy region; and maintaining a continuous fuzzy count and an ambiguity level in the interval, updating a locking level when the evidence is insufficient, and gating a target code rate gear to jump up. And the fragmentation boundary gating state structure is used for uniformly bearing discrimination quantity, threshold value, interval and locking state information, so that false downshift and premature upshift are inhibited, gear fluctuation is reduced, and gear selection stability is improved.

1. The name of the design product: wireless video intelligent parking sensor (wireless wiper solar video pile S1). 2. The use of the design product: for parking sensor. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The application discloses a low-delay video encoding and sending control method, and belongs to the field of video encoding control and wireless data sending scheduling. The method receives line-by-line video data and writes the video data into a line buffer; the number of written lines is counted, and when reaching a preset threshold, video encoding is triggered, without waiting for the completion of the whole frame reception; in the encoding process, data is output according to the encoding segmentation granularity, and a sending trigger signal is generated when each segment is completed, and the corresponding encoding data is sent to a wireless sending queue. Through the double-layer trigger mechanism, parallel pipeline operation of video input, encoding processing and data sending is realized. The preset threshold can be dynamically adjusted according to factors such as video resolution, frame rate, network bandwidth and target delay. The method reduces the encoding start time from the frame level to the line level, eliminates the frame end waiting time, reduces the overall system delay, and can meet the ultra-low delay application requirement in the wireless video transmission scene.

1. Name of the designed product: photographic equipment. 2. Use of the designed product: for cameras, video cameras, outdoor video cameras, security video cameras, wireless video security cameras or video recording cameras. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: Design 1 perspective view 1. 5. Design 1 is designated as the basic design.

1. The name of the design product: HDMI wireless video extender. 2. The use of the design product: for HDMI wireless video transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention discloses a wireless video monitoring system and a monitoring method thereof.The wireless video monitoring system comprises a video monitor body, a storage mechanism and an auxiliary mechanism, the video monitor body is fixedly connected with a bearing plate, the storage mechanism is located outside the video monitor body, and the storage mechanism is used for carrying out storage operation when the video monitor body is not used; the auxiliary mechanism is located at the bottom of the storage mechanism and used for being matched with the storage mechanism. The arrangement mode that the storage frame, the fixing frame, the connecting frame, the electric push rod and the auxiliary mechanism are matched is utilized, the video monitor body is located in the storage frame, the electric push rod enables the video monitor body to stretch out or retract from the interior of the storage frame, and the auxiliary mechanism assists in shielding the bottom of the storage frame; when the video monitor main body is not used, the video monitor main body can be stored and protected, so that the video monitor main body can be prevented from being eroded by rainwater or exposed to the sun, and the safety of the video monitor main body can be improved.

1. The name of the design product: wiring-free video pile (column). 2. The use of the design product: the design product is used for intelligent parking management terminal of urban road, parking lot and charging pile. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The utility model discloses a wireless video monitoring device for an endless rope winch. The wireless video monitoring device comprises an endless rope winch main body, a monitoring mechanism, a mounting mechanism and an angle adjusting mechanism, after the endless rope winch main body is placed stably, a supporting plate is connected above the endless rope winch main body through a mounting mechanism; the monitoring mechanism comprises a camera and a wireless transmitter, a supporting column is arranged on the top face of the supporting plate, the camera is connected to the supporting column, the monitoring angle is adjusted through an angle adjusting mechanism, and the wireless transmitter is fixed to the bottom face of the supporting plate and connected with the camera in a matched mode through a data line. Compared with the prior art, the endless rope winch has the advantages that the monitoring equipment can be quickly fixed on the endless rope winch through the arranged mounting mechanism, complicated mounting steps or tools are not needed, and the mounting process is greatly simplified; an angle adjusting mechanism is arranged, a user is allowed to flexibly adjust a monitoring view angle according to needs, and the optimal view coverage range is ensured.

The utility model belongs to the technical field of communication, and particularly relates to a type c single-interface wireless screen sharing device with touch control. Comprising a wireless video receiving module, an HDMI conversion module and a type c interface. The wireless video receiving module is used for receiving audio and video signals sent by a mobile phone or a computer and converting the audio and video signals into hdmi signals, the HDMI conversion module is used for receiving the hdmi signals and converting the hdmi signals into DP signals, and the type c interface is used for receiving the DP signals and transmitting the DP signals to a displayer. The HDMI conversion module, the power supply module, the PD power taking module and the touch decoding module are arranged in the wireless screen projector, and video signals, power supply of a power supply and touch interface signals are all transmitted into a type c interface, so that the functions of video transmission, power supply and touch reverse control of the wireless screen projector can be realized by only one connecting wire, the number of connecting wires is reduced, and the cost is reduced. And the operation is simplified.

A camera device for vehicle safety. The camera device is connected to hardware and software systems installed in a vehicle and is equipped in the vehicle. The camera device facilitates autonomous driving systems including advanced driver assistance systems (ADAS), by utilizing its algorithms in conjunction with an electric power control unit (EPCU) and an electronic control unit (ECU), including a vehicle control unit (VCU). Further, the camera device facilitates real-time wired and wireless video transmission and storage through antenna modules of a display device and a camera device inside the vehicle, and can record emergency situations caused by traffic accidents during vehicle operation, as well as the on-site situation for before and after the accident, for use as video evidence. Additionally, the camera device operates when sensors in the vehicle detect physical and chemical changes during parking or stopping, allowing video footage of the vehicle damage site to be recorded.

The application belongs to the technical field of communication, and particularly relates to a video coding method, device, computer readable medium and electronic equipment. The video coding method comprises the following steps: obtaining historical intensity information in a historical time period, wherein the historical intensity information is used for representing network signal intensity of wireless video transmission corresponding to each historical moment in the historical time period; predicting intensity information of a next key frame according to the historical intensity information, wherein the intensity information of the next key frame is used for representing wireless network signal intensity of transmitting the next key frame; determining a target data amount of the next key frame according to the intensity information of the next key frame, and performing intra-frame coding on the next key frame according to the target data amount. The target data amount is determined in advance before the frame is coded, and then the next key frame is coded according to the target data amount, so that the transmission of the key frame can be completed in one uplink time slot, and the transmission is completed without waiting for a frame period, thereby reducing the transmission delay.

1. The name of the design product: HDMI wireless video extender. 2. The use of the design product: for HDMI wireless video transmission. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. The left view features have been embodied in other views, so the left view is omitted. 6. Design 1 is designated as the basic design.

1. The name of the design product: wireless video intelligent parking sensor (wireless wiper solar curb machine Y1). 2. The use of the design product: for parking sensor. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective drawing.

1. The name of the design product: wiring-free video pile (floor type). 2. The use of the design product: the design product is used for intelligent parking management terminal of urban road, parking lot and charging pile parking space. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.

The application provides a high-definition wireless video stream data compression method based on adaptive code rate. In the scene where a wireless client cannot obtain a physical layer channel state and there is no server cooperation, only the time consumption and the buffer margin at the fragment boundary are used for selection. The method introduces a gear correction time consumption residual as a de-mixing discriminant, generates a tolerance threshold and a separation threshold by combining the buffer state, determines the interval landing point, and defines the residual fuzzy area between the two thresholds. The continuous fuzzy count and the fuzzy degree level are maintained in the interval, the lock level is updated when there is insufficient evidence, and the target code rate gear up is gated. The fragment boundary gating state structure is used to uniformly bear the discriminant, the threshold, the interval and the lock state information, so as to suppress the mis-downshift and the premature upshift, reduce the gear fluctuation and improve the gear selection stability.

1. The name of the design product: wireless video intelligent parking sensor (wireless wiper solar low video pile LS1). 2. The use of the design product: for parking sensor. 3. The design points of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

This invention discloses a low-latency decoding and stable display control method for segmented video streams, belonging to the field of wireless video transmission. The method includes: receiving segmented video streams and recording the arrival time of each segment; dynamically calculating a decoding start threshold based on historical frame reception statistics, and initiating decoding when the number of buffered segments reaches the dynamic threshold; writing the decoded output to a subsequent buffer without immediate display; comprehensively determining whether multiple factors such as frame integrity, decoding progress, buffer status, and display synchronization signal meet the stable display conditions; monitoring segment arrival delays and initiating delay compensation mechanisms such as predictive decoding, priority adjustment, and frame interpolation compensation. This invention, through a separation control mechanism for decoding and display initiation, combined with dynamic threshold determination, adaptive buffer scheduling, and delay compensation strategies, achieves coordinated control of low-latency decoding and stable display in a wireless environment, effectively avoiding problems such as screen tearing, flickering, and artifacts, and improving display stability and network adaptability.

A global wireless transmission device for a visual display system comprising an electronic display, the device configured to communicate with a cloud environment and receive data therefrom, the device comprising a communication connector configured to facilitate data transmission between said global wireless transmission device and an electronic display, a memory for storing a plurality of instructions for enabling data to be received from said cloud environment and for being displayed on the electronic display and a processor for executing said instructions.

The application belongs to the technical field of video transmission, and provides a wireless video transmission method, device, equipment and storable medium. The method comprises the following steps: based on Rician fading, a channel model between a transmitting end and a receiving end is established; based on the performance of the channel model under different weather conditions, different modulation schemes are established; during video transmission, data points describing channel states are detected, and the best modulation scheme is adaptively selected based on the K-means clustering algorithm; based on structural similarity, the similarity between a current frame and a previous frame image in a video stream to be transmitted is calculated, and the current frame image with a similarity higher than a first threshold to the previous frame image is deleted; after the receiving end receives the video stream, all frame images in the video stream are played; the application can solve the problems of slow image transmission and communication obstruction between the application and a remote controller in the prior art.