164 results about "Broadcasting" patented technology

A method of controlling a broadcast receiver and which includes displaying a broadcast program on a screen of the broadcast receiver, determining if a broadcast-related information enlargement mode is selected, and enlarging the broadcast-related information on the screen of the broadcast receiver when the determining step determines the broadcast-related information enlargement mode is selected.

A method for controlling multiple coverage effects according to an embodiment of the present invention is a method performed in a system comprising a main repeater and a plurality of sub-repeaters, comprising: a step in which the main repeater interacts with the plurality of sub-repeaters located in different places; a step in which the main repeater transmits to each of the plurality of sub-repeaters, for each of the main repeater, command data specifying effects control information for controlling the effects operation of a personal light-emitting device and conditions for transmitting the effects control information, such that different effects control information is specified for at least two or more sub-repeaters; and a step in which each sub-repeater that receives the command data automatically transmits an effects control signal according to the specified effects control information to at least one personal light-emitting device located within the signal radius of the corresponding sub-repeater using an RF broadcasting method, wherein the transmission is continuous or repeated according to the transmission conditions; wherein the transmission conditions include at least one of the signal radius, propagation direction, and playback mode of the effects control signal.

The application discloses a three-dimensional stacked chip testing method based on multi-interface cooperation and parallel broadcasting, and relates to the technical field of integrated circuit testing.The method sets a USB controller on a master control chip layer to preload 116 bit testing instruction streams to a PRO_RAM on the chip;the states of each layer are configured by issuing instructions through JTAG;then, a coordinator FSM runs in a three-stage pipeline mode of instruction fetching, broadcasting and executing, instruction parameters are synchronously distributed to BIST controllers of target layers by using a source fan-out broadcasting bus;by introducing physically isolated shadow registers and active registers in the BIST controllers, the next group of instructions are prefetched and loaded in the background while the current task scanning and shifting are performed, and zero-bubble task switching is achieved;the application effectively reduces the transmission amount of repeated instructions, eliminates the time domain coupling of configuration and execution in the traditional architecture, and significantly improves the testing efficiency of the heterogeneous stacked chip.

The invention provides a voice broadcasting method, a voice broadcasting device and an intelligent terminal, which can be applied to the field of human-computer interaction. The method comprises the steps of obtaining a sight focus of a user; under the condition that the sight focus of the user is in the display area of the text content in the display device, obtaining sub-content from the text content according to the position of the sight focus in the display area; and controlling the sound production device to carry out voice broadcast on the abstract corresponding to the sub-content. The method and the device can be applied to intelligent terminals including intelligent automobiles or electric automobiles, and are helpful for reducing the receiving fatigue of the user for the voice content, thereby being helpful for improving the listening experience of the user.

The application discloses an electronic advertisement display device based on information technology and relates to the technical field of advertisement display.The electronic advertisement display device based on information technology comprises a case, and information broadcast advertisement screens are symmetrically arranged on the front and back sides of the case.The electronic advertisement display device based on information technology is provided with a guide frame, a constraint assembly, a driving assembly and a steering assembly, which are linked to form a steering mechanism for adjusting the orientation of a loudspeaker, so that the guide frame and the constraint assembly can adjust or limit the placement state of the loudspeaker, the driving assembly can be pushed and pulled by an electric screw rod, the loudspeaker constrained between the guide frame and the constraint assembly can be flipped and adjusted in a vertical 90-degree direction, and when the guide frame is horizontally oriented, the loudspeaker can be adjusted in a horizontal direction through the adjustment of the steering assembly by the driving assembly, so that the electronic advertisement display device based on information technology can adapt to advertisement delivery requirements in different scenes when audio-visual combination broadcasting is performed.

This invention provides an adaptive quantization dual-teacher distillation federated learning method for heterogeneous environments, belonging to the fields of adaptive quantization, model compression, knowledge distillation, and federated learning. Its technical solution includes the following steps: S1, system initialization phase; S2, user extraction and model broadcasting phase; S3, local model training phase; S4, adaptive quantization phase; S5, global model update phase; S6, termination judgment phase, when the training rounds reach their maximum value. T If the condition is met, the federated learning task is terminated; otherwise, proceed to S2. This invention is applicable to heterogeneous edge device scenarios with limited computing resources and communication bandwidth, such as smart IoT devices, enabling high-precision, low-communication personalized federated learning while ensuring privacy and security.

This invention discloses an information push method, apparatus, storage medium, and computer equipment, relating to the fields of information processing technology and finance. Its main objective is to address the problem of low effectiveness in existing transaction information broadcasting. The method primarily includes acquiring transaction information generated by a transaction terminal of at least one transaction type, and the identification information of the transaction terminal; matching candidate broadcasting terminals matching the transaction terminal from a broadcasting terminal mapping set based on the identification information, and determining at least one target broadcasting terminal from the candidate broadcasting terminals based on the transaction information and a broadcasting information push strategy; generating voice broadcasting information corresponding to the target broadcasting terminal based on the transaction information, and pushing the broadcasting information to the target broadcasting terminal, so that the target broadcasting terminal can broadcast the information via voice. It is mainly used for pushing broadcasting information.

A multi-channel time-coordinated transmission system and method for low-altitude identification signals, belonging to the field of multi-channel transmission technology, aims to address the problem of increased air interface packet loss rate in low-altitude, high-density flight scenarios, leading to flight trajectory loss in ground monitoring systems. The method includes: acquiring the transient kinematic parameters of a low-altitude flight entity within the current period and analyzing the spatial grid hash value corresponding to the physical space where the low-altitude flight entity is located; generating a time slot offset matrix covering multiple different radio frequency bands; extracting the time delay offset corresponding to each radio frequency band based on the time slot offset matrix; mapping the identification signal frame to be transmitted to a multi-channel radio frequency module; and using the multi-channel radio frequency module to stagger the broadcasting of the identification signal frame according to the time delay offset corresponding to each radio frequency band. This invention improves the anti-interference capability of identification signals in low-altitude, high-density scenarios and reduces the data packet collision rate and packet loss rate.

1. Name of the product in this design: Searchlight Broadcast Combination Unit (LP25). 2. Intended use of this design: for lighting, broadcasting, and warning. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This utility model relates to the field of multimedia equipment technology, and in particular to a new media recording and broadcasting device. The new media recording and broadcasting device includes: a base, a display screen, a keyboard panel, a mounting bracket, a dual-axis motor, a fixing ring, a ventilation duct, a sleeve, and a sealing plate. The base has a hollow square structure with a handle on one side. The keyboard panel is connected to the top of the base and has air inlets. The display screen is rotatably connected to the keyboard panel. Two side openings are provided on each of the two side walls of the base. Fixing plates with first threaded holes are provided at the four corners of the inner wall of the base. The mounting bracket, located inside the base, includes: a top frame, a bevel, an opening slot, a port plate, and a connecting plate. This utility model, through the cooperation of the dual-axis motor, the ventilation duct, and the spiral blades, can effectively exhaust air from inside the new media recording and broadcasting device, ensuring the normal operation of electronic components.

A portable information terminal includes a controller configured to control a communication interface to transmit a charging permission response to a broadcast receiving apparatus in response to a charging permission request data transmitted when a broadcasting program that a user of the broadcast receiving apparatus desires to view contains an asset that requires charging. The charging permission response is allowed to be transmitted when positional information indicates that the portable information terminal is positioned inside of a predetermined positional range and apparatus identification information in the charging permission request data, by which the broadcast receiving apparatus is allowed to be identified, coincides with apparatus identification information stored in a memory. The controller controls the communication interface to transmit a charging denial response to the broadcast receiving apparatus when the positional information indicates that the portable information terminal is positioned outside of the predetermined positional range.

The application discloses a practical federated learning malicious security aggregation method and device, the method comprises the following steps: receiving a training model initialized by an initiator; negotiating the total number of participating users n, the input vector dimension d, the input vector definition domain D and the system security parameter λ with the initiator and broadcasting; broadcasting the training model obtained after the last round of federated learning task to the general user i, so that each general user i and / or the initiator who is willing to participate in the current round of federated learning task locally trains the training model obtained after the last round of federated learning task, and combines the input vector dimension d, the input vector definition domain D and the system security parameter λ to mask the gradient vector updated in the training process; after the aggregation of the received masked vector, the mask in the obtained aggregated result with the mask is removed to obtain the training model obtained after the current round of federated learning task. The application can ensure the malicious security of the protocol execution and has high efficiency without losing practicability.

The application discloses a low-altitude flight management and control method, system, device and medium based on satellite-ground broadcast fusion, and relates to the field of low-altitude aircraft safety management and control. The method comprises the following steps: a management and control center generates a wide-area flight permission instruction and sends the instruction to a satellite management and control node; the satellite management and control node broadcasts the wide-area flight permission instruction through satellite broadcasting; a ground management and control node supplements the wide-area flight permission instruction based on the regional management and control requirements of each region, generates regional flight permission instructions of each region, and broadcasts the regional flight permission instructions through ground broadcasting; a low-altitude aircraft determines its flight permission based on the wide-area flight permission instruction and the regional flight permission instruction, executes a flight task, and broadcasts its running state information through ground broadcasting; and a monitoring node generates airspace running situation information based on the running state information, the wide-area flight permission instruction and / or the regional flight permission instruction, and feeds back the information, so that the low-altitude flight management and control efficiency is improved.

The application provides a smart networking method of a Bluetooth audio device, which comprises the following steps: S100, one or more Bluetooth audio devices enter a pairable state; S200, each Bluetooth audio device starts BLE broadcasting to send a BLE broadcasting frame, starts BLE scanning, and determines the number of same type BLE broadcasting frames in the environment according to the content of the scanned BLE broadcasting frame; S300, the number of same type BLE broadcasting frames is used to determine the pairable mode of the Bluetooth audio device; and S400, the Bluetooth audio device is paired and networked according to the pairable mode determined in step S300. The application also provides a Bluetooth audio device and a storage medium. The method, the Bluetooth audio device and the storage medium have the technical effects of improving user experience.

This application discloses a Bluetooth connection method, electronic device, storage medium, and computer program product, belonging to the field of terminal technology. Applied to a first electronic device, the method includes: continuously broadcasting Bluetooth signals, each broadcast carrying either a first physical layer encoding method or a second physical layer encoding method, wherein the first physical layer encoding method has greater anti-interference capabilities than the second physical layer encoding method; upon receiving a response message from a second electronic device, establishing a Bluetooth connection with the second electronic device; and maintaining the Bluetooth connection with the second electronic device after successful connection, based on the Bluetooth connection status and using the corresponding physical layer encoding method. This application uses mixed broadcasting with different physical layer encoding methods, and one of these methods has strong anti-interference capabilities, thereby improving the success rate of Bluetooth connections in interference scenarios.

1. Name of the product in this design: Emergency Broadcast Active Release Equipment (High Reliability Terminal). 2. Application of this design: It is used for emergency broadcasting and can also be applied to new urban scenarios such as safe city construction, 5G construction, video surveillance, smart transportation, smart parking, video surveillance, and smart city governance. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The application discloses a display and audio broadcasting method and system based on wireless shouting automatic takeover, wherein the system continuously detects the wireless radio frequency connection state in the state that the playing device automatically plays the recorded audio and synchronously displays the program picture; when the microphone emission module is accessed, the display control instruction can be sent to the playing module in addition to shouting, so as to directly control the LED screen to switch the display program; after the audio receiving unit receives the audio signal, in addition to executing the sound source switching, the specific voice instruction carried in the audio signal is identified, the identification result is sent to the LED screen playing picture unit, and the LED screen playing picture unit switches the corresponding program according to the instruction; after the shouting is ended or the radio frequency is disconnected, the system automatically restores the recorded audio output and the default picture. The scheme realizes the integrated linkage control of the audio and the display, supports the voice instruction remote switching of the display program, has the audio priority switching and picture linkage technology without manual intervention, realizes the quick automatic takeover of the emergency shouting signal and the synchronous control function of the display content.

The application discloses a satellite navigation signal time delay stability control method and system, and the system comprises a reference time-frequency unit, a navigation signal generation unit, a navigation signal broadcasting system, a load management unit, a switch matrix, a navigation signal receiving unit and a constant temperature control unit; by establishing high-stable-state navigation signal receiving capability in the satellite load, real-time measurement of the time delay of the navigation signal is realized, and closed-loop time delay adjustment is formed with the navigation signal generation, so that the control of the navigation signal time delay stability is achieved.

The application relates to a consensus processing method and device, computer equipment and a blockchain system. The method comprises the following steps: acquiring a first consensus height of a current slave node and a second consensus height of a current master node; when the second consensus height is smaller than the first consensus height, determining consensus lag information corresponding to the master node based on the first consensus height and the second consensus height; the consensus lag information is used for representing a consensus lag degree of the master node relative to the slave node; determining a target waiting time length obtained by attenuating a preset waiting time length based on the consensus lag information corresponding to the master node; in the case that a voting waiting timing for a current consensus round is started, when the timing time length reaches the target waiting time length and proposal information broadcast by the master node is not received, initiating voting and broadcasting in the blockchain system in a preset mode to trigger the blockchain system to switch to a next consensus round. The method can improve the consensus performance of the blockchain.

The application discloses a cluster upgrading method and electronic equipment, and relates to the technical field of equipment upgrading, and comprises the following steps: generating an encrypted access credential and broadcasting, joining the upgrading cluster and locking the node whose credential verification is passed; cutting the firmware image into multiple fragments, and establishing a fragment mapping table; collecting the state information of each node in the upgrading cluster, calculating the node score and constructing a topology structure, determining the transmission path of the fragments in the upgrading cluster; predicting the time for each node to complete the fragment writing, generating a zero-waiting transmission sequence, and determining the distribution timing of the fragments along the transmission path; querying the fragment mapping table to determine the missing fragments of each node, determining the receiving node according to the transmission path, and transmitting the corresponding missing fragments to the receiving node according to the distribution timing; if the node already holds the corresponding fragment, the transmission is skipped. In this way, the safe, efficient and low-redundancy cluster self-coordinated firmware upgrading is realized, the bandwidth utilization and upgrading reliability are improved, and the dependence on external tools is reduced.

A computer-implemented method of enabling users to access broadcasted messages using blockchain transactions comprising: determining a set of users eligible to access a message; maintaining a key graph comprising a plurality of nodes representing keys, generating an encrypted message; determining a set of encrypted data items; obtaining a message transaction comprising: a respective input associated and signed by each respective user, a respective input associated with and signed by the broadcasting party, a respective output associated with and locked to a respective public key of the respective user and / or a public key of the broadcasting party, and a respective output comprising the set of encrypted data items; causing the message transaction to be submitted to a blockchain network; and broadcasting the encrypted message to at least the set of users.

This invention discloses a method and system for generating and broadcasting three-dimensional sub-meter-level integrity messages, addressing the technical bottleneck of the existing ADS-B standard, which only supports a maximum protection level of 7.5 meters and lacks vertical integrity characterization. The method acquires the meter-level and sub-meter-level horizontal protection level (HPL) and vertical protection level (VPL) of the aircraft in real time, mapping them to horizontal (HU-NIC) and vertical (VU-NIC) extended integrity codes. Subsequently, the two sets of codes are combined and written into the reserved data bits of the 1090ES ADS-B test message or status message to generate and broadcast the extended message. The receiving end extracts the reserved bits to decipher the high-precision protection level, constructing a three-dimensional spatial safety envelope. This invention achieves three-dimensional sub-meter-level safety boundary broadcasting and adaptive degradation monitoring of urban low-altitude high-density aircraft without interfering with the existing civil aviation surveillance system.

This invention discloses a medium-wave broadcast coverage simulation method based on medium-wave analysis technology, belonging to the field of signal propagation simulation technology. It addresses the problems of limited dimensions and lack of spatiotemporal dynamic characteristics in the assessment of propagation impact factors during medium-wave broadcasting under existing technologies. By constructing a simulation environment database and setting simulation datasets covering several spatial regions, medium-wave propagation analysis models for different time periods are established, and propagation paths for each time period are constructed. The simulation datasets are used as interference sources for simulation to obtain the propagation path loss of medium-wave broadcasting in any time period and spatial region. The propagation path loss of all spatial regions along the propagation path in the same time period is statistically analyzed. The propagation paths of different time periods in the same spatial region are superimposed to obtain the broadcast coverage intensity of each spatial region. The broadcast coverage intensity of all spatial regions is then labeled onto the entire simulation area to generate a broadcast coverage effect view characterizing the broadcast reception quality.

1. The name of the design product: recording and broadcasting host (with touch super boutique D80). 2. The use of the design product: for audio, video recording, storage and playing. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective drawing.

This invention belongs to the field of satellite navigation signal multiplexing technology, and discloses a method, transmitter, receiver, and system for multiplexing adjacent multi-frequency satellite navigation signals. This invention provides a specific implementation method and system for adjacent multi-frequency satellite navigation signal multiplexing technology, enabling the multiplexing of multiple navigation or communication signals at the middle frequency, both sides of the middle frequency, or the upper and lower sidebands of the middle frequency, solving the current problem of no multiplexing of adjacent multi-frequency satellite navigation or communication signals in the BeiDou system. It can be widely applied in satellite navigation systems, various ranging systems, communication systems, broadcasting systems, and control systems.

The application discloses an audio effect adjusting method, a broadcasting device and a computer readable storage medium. The audio effect adjusting method is applied to the broadcasting device and includes the following steps: receiving a request packet sent by a tone adjusting device; analyzing the request packet to obtain an audio effect adjusting parameter; converting the audio effect adjusting parameter into a playing parameter; and adjusting the broadcasting device according to the playing parameter, so that the broadcasting device plays audio according to the playing parameter. The application aims to improve the accuracy of audio effect adjusting.

This invention discloses a multi-agent safe cooperative control method, system, and device based on risk-level event triggering and topology adaptive adjustment. It establishes a multi-agent system dynamics model, communication topology model, and environmental model; constructs a comprehensive risk index based on the relative distance between agents and neighbors, the distance between agents and obstacles, communication link quality, and local cooperative errors to classify the system's operating state by risk; sets corresponding event trigger thresholds for state broadcasting and control updates; adaptively adjusts the communication topology based on risk level and neighbor importance; constructs distributed cooperative control inputs based on the adjusted topology and the most recently broadcast state; and corrects the cooperative control inputs under safety constraints. Compared with existing technologies, this invention can improve the safety, robustness, and cooperative performance of multi-agent systems in complex dynamic environments while reducing redundant communication overhead.

Systems and techniques for wireless communication are disclosed. For example, an audio device may receive one or more connection request signals from an access device associated with a broadcasting device, the one or more connection request signals requesting a connection with the audio device and including the address of the access device. The audio device may output one or more first connection signals to be sent to the access device based on the address of the access device to establish a first connection with the access device. The audio device may receive one or more information signals from the access device via the first connection with the access device, the one or more information signals including synchronization information associated with the broadcasting device. The audio device may use the synchronization information to synchronize with the broadcasting device to receive one or more broadcast signals including broadcast information.

The present invention relates to a method for managing a wireless access point, comprising: - broadcasting (21) a downlink frame to one or more stations present in the coverage area of ​​the access point, the downlink frame carrying an indicator requesting the station receiving the downlink frame to transmit the power level of the access point received; - in response to the downlink frame, receiving (26) at least one uplink frame from at least one of the stations, the uplink frame transmitted by the station carrying information indicating the power level of the access point received by the station; - determining (27) at least one power level of the access point received by the at least one station based on the information indicating the power level carried by the one or more uplink frames.

Apparatuses and methods for discovery and selection mechanisms for user equipment-based (UE- based) sensing are provided. The method may comprise: determining sensing discovery criteria for selecting at least one apparatus for a sensing service; broadcasting requests which are based on the sensing discovery criteria; receiving, from one or more apparatuses, a response indicative of at least one sensing capability of one or more apparatuses; and, selecting the one or more apparatuses based on the response for the sensing service.