3869 results about "Transmission equipment" patented technology

A quantum key delivery system in which a first transmission device phase modulates a first polarization component of two orthogonal polarization components in transmitted light and modulates a second polarization component, which is the other polarization component, into a signal indicating the second random number sequence, based on a first random number sequence indicating the bit sequence to be transmitted and the second random number sequence indicating the base in the phase modulation of the bit sequence to be transmitted; and a second transmission device separates orthogonal polarization modes in the received light and extracts a clock timing from the signal indicating the second random number sequence.

The invention discloses a power equipment fault prediction method based on multi-modal data and related equipment, and belongs to the technical field of intelligent monitoring and fault prediction of power equipment, and the method comprises the steps: collecting and preprocessing the multi-modal operation data of the power equipment; extracting features of the preprocessed multi-modal operation data and performing global feature fusion to obtain multi-modal features; inputting the multi-modal features into a pre-trained fault prediction model to obtain a fault category and an occurrence probability of the power equipment; the fault prediction model is obtained by inputting the multi-modal features into a hybrid neural network for training. Multi-modal operation data of power equipment is collected, key features are extracted by using a deep learning model, multi-modal data fusion is performed, and a fault prediction model is constructed based on a hybrid neural network. Real-time fault early warning and maintenance suggestions are provided, the operation reliability of power equipment is improved, the unplanned shutdown risk is reduced, and the method is suitable for health management of transformer substations, high-voltage power transmission equipment and wind generating sets.

A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. A point cloud data reception method according to embodiments may comprise the steps of: receiving the bitstream including the point cloud data; and decoding the point cloud data.

A power transmitting apparatus measures a Q factor of a power transmitting unit that performs wireless power transfer to a power receiving apparatus, and determines presence / absence of an object different from the power receiving apparatus based on the Q factor. The power transmitting apparatus obtains a first index value regarding a predetermined physical amount different from the Q factor after measurement of the Q factor, obtains a second index value regarding the predetermined physical amount before wireless power transfer to the power receiving apparatus starts after the it is determined in the above determination that an object different from the power receiving apparatus does not exist; and determines presence / absence of an object different from the power receiving apparatus based on the first index value and the second index value.

Disclosed is an assembly for a turbomachine comprising: ⋅—a second connection element (8) having a third end (81) which is connected to a turbine shaft (2) and is mounted on a second bearing (5), and a fourth end (82) connected to a mechanical transmission device (6), the second connection element (8) having a second radial compliance (SR2); and ⋅—a third connection element (9) having a fifth end (91) fixedly mounted on a casing (1), and a sixth end (92) connected to the mechanical transmission device (6), the third connection element (9) having a third radial compliance (SR3), wherein a ratio of the first radial compliance (SR1) to the third radial compliance (SR3) is strictly lower than 10% and / or a ratio of the first radial compliance (SR1) to the second radial compliance (SR2) is strictly lower than 4%.

An exemplary embodiment of secure wireless transmission of power using unidirectional communication signals from a wireless-power-receiving device. The method includes, receiving, from a wireless-power-transmitting device that includes a first communications radio, a first wireless-power-transmission signal at a wireless-power-receiving device that includes a second communications radio. In response to receiving the first wireless-power-transmission signal: broadcasting, via the second communications radio of the wireless-power-receiving device and without establishing a communications channel between the first and second communications radios, a data packet, the data packet including information identifying (i) at least one power requirement of a power source of the wireless-power-receiving device (ii) an amount of power received by the wireless-power-receiving device from the first wireless-power-transmission signal. After broadcasting the data packet, receiving, from the wireless-power-transmitting device, additional wireless-power-transmission signals at the wireless-power-receiving device, wherein the wireless-power-transmitting device transmits each of the additional wireless-power-transmission signals using a predetermined sequence of different transmission characteristics.

A power receiving device includes: power receiving unit configured to receive power wirelessly from a power transmitting device; receiving unit configured to receive first information related to a voltage of an inverter included in the power transmitting device from the power transmitting device; and transmitting unit configured to transmit a specific signal to the power transmitting device on the basis of second information which is determined on the basis of the first information, the power transmitting device that has received the specific signal restricting the voltage of the inverter.

A power receiving apparatus, which has a first communication function and a second communication function, controls the first communication function to receive a first signal including information representing whether a power transmission apparatus can execute control communication using a second method, controls, based on the information representing that the power transmission apparatus can execute the control communication using the second method, the first communication function to transmit, to the power transmission apparatus, a second signal to request identification information of the power transmission apparatus for the communication of the second method and receive the identification information from the power transmission apparatus, and determines which one of the first communication function and a second communication function should be used for the control communication, based on the first signal and whether the identification information is received.

The present disclosure relates to an image processing device and method that enable the use of an encoding tool for bit-depth extension while maintaining compatibility with a specification that does not extend a bit depth of an image.An operation-range extension flag is encoded in accordance with a bit depth of an image, and operation-range extension tool control information is encoded in accordance with the operation-range extension flag. Alternatively, the operation-range extension flag is encoded, and the operation-range extension tool control information is encoded in accordance with a bit depth of an image. The present disclosure can be applied to, for example, an image processing device, an image encoding device, an image decoding device, a transmission device, a reception device, a transmission / reception device, an information processing device, an imaging device, a reproduction device, an electronic device, an image processing method, an information processing method, and the like.

Disclosed, in an embodiment of the present invention, is a camera apparatus comprising: a housing; a first lens assembly and a second lens assembly moving in an optical axis direction on the basis of the housing; an optical drive unit including a first drive unit moving the first lens assembly and a second drive unit moving the second lens assembly; and a first hall sensor adjacent to the first drive unit and a second hall sensor adjacent to the second lens assembly, wherein at least a portion of the first hall sensor and the second hall sensor do not overlap each other in a direction perpendicular to the optical axis direction.

A point cloud data transmission method according to embodiments may comprise the steps of: encoding point cloud data; and transmitting a bitstream including the point cloud data. In addition, a point cloud data transmission device according to embodiments may comprise: an encoder for encoding point cloud data; and a transmitter for transmitting a bitstream including the point cloud data.

Hybrid automatic repeat request (HARQ) processes may be transmitted via configured grants as well as scheduled grants. The configured grants may include time and frequency resources, and transmissions may occur across contiguous transmissions. HARQ process information, such as HARQ IDs and redundancy versions, may be communicated via a control channel, and the control channel may be multiplexed with the transmission resources of the configured grants. Retransmission timers may be used for HARQ processes conveyed via configured grants, and the transmitting apparatus may signal to a receiver when to send an acknowledgement. An acknowledgement may take the form of bitmaps for code block groups of a HARQ. A configured grant may be selected from among multiple configured grants based upon low latency, for example. A group of configured grants may be activated or deactivated via a single command.

Methods, systems, and devices for wireless communications are described. A transmitting device may include a first set of antenna arrays disposed in a first shape and a receiving device may include a second set of antenna arrays disposed in a second shape. A first axis that intersects an antenna array of the first set of antenna arrays and a centroid of the first shape may be offset from a vertical direction by a first angular offset. A second axis that intersects an antenna array of the second set of antenna arrays and a centroid of the second shape may be offset from the vertical direction by a second angular offset that is different than the first angular offset. The transmitting device may transmit signaling to the receiving device using the first and second sets of antenna arrays, respectively based on difference between the first and second angular offsets.

The invention relates to the technical field of chain transmission equipment, in particular to a pushing chain type lifting system for ladders, which comprises a driving part, a chain guide rail is mounted at the top end of a driving box in the driving part, the driving box and the chain guide rail are both in sliding connection with a pushing chain, an end chain link is connected to the end of the pushing chain, and a mounting mechanism is mounted on the end chain link. The chain guide rail of the lifting system is installed above the driving box, so that the chain guide rail does not occupy extra space, meanwhile, the power mechanism is arranged in the driving box to drive the pushing chain, matching among parts is more compact, and the lifting system is more convenient to use. Therefore, when the device is applied to an existing elevator shaft, the space utilization rate of the shaft is fully increased.

The invention relates to the technical field of digital twinning, in particular to a hub type transmission device composite material performance prediction method based on digital twinning, which comprises the following steps: acquiring geometric information of a hub type transmission device, constructing a digital twinning analysis model, acquiring working condition information, dynamic balance parameters and corresponding response characteristics of the hub type transmission device in real time by using various sensors, and calculating the performance of the hub type transmission device. And establishing association mapping of geometric morphology, material characteristics and mechanical parameters, and generating a model parameter set. According to the method, through dynamic correlation mapping of geometric information, material characteristics and mechanical parameters and in combination with real-time working condition data, accurate simulation of the running state of the hub device is achieved, the precision of material wear trend prediction is optimized, the accuracy of crack propagation trend analysis is improved, and the fatigue damage rate is analyzed through the crack stress gradient and the fatigue damage rate. The reliability of material life prediction is remarkably enhanced, the material performance degradation level under the influence of multiple factors is quantified, and the accuracy of service performance evaluation of the hub type transmission device composite material is improved.

A wireless power transmission apparatus for induction heating includes: a working coil configured to change operation based on selection of a mode of operation from among a plurality of operating modes, the plurality of operating modes including a wireless power transmission mode configured to wirelessly transmit power and a heating mode configured to heat one or more objects, an inverter configured to output, to the working coil, current at an operation frequency, and a controller. The controller is configured to calculate an eccentricity degree between the working coil and a reception coil of a target object, and control, in the wireless power transmission mode, the operation frequency based on the calculated eccentricity degree while performing wireless power transmission to the target object.

This disclosure provides systems, methods and apparatuses for wireless power transmission and reception. A wireless power transmission apparatus may include a primary coil that transmits power to a corresponding secondary coil in a wireless power reception apparatus. The wireless power transmission apparatus may configure characteristics of the wireless power transmission based on a load setting of a wireless power reception apparatus. The wireless power transmission apparatus may take into account a coupling factor and power transfer characteristics of the wireless power reception apparatus in determining a configuration of the wireless power transmission from the wireless power transmission apparatus to the wireless power reception apparatus. In some implementations, a change in wireless power transmission may occur based on a corresponding change in the load. For example, the change in wireless power transmission and the corresponding change in the load may occur in relation to a synchronization event.

The embodiment of the invention provides a wafer box transmission device of a vertical furnace, the wafer box transmission device is close to the vertical furnace, receives a wafer box transmitted by a crown block and transmits the wafer box to a target position in the vertical furnace, the wafer box transmission device comprises a bearing platform, a telescopic arm and a wafer box detection mechanism, when the wafer box is placed on the bearing platform, the telescopic arm detects the wafer box on the bearing platform; after the wafer box detection mechanism detects that no wafer box is placed at the target position, the bearing table is controlled to contract to make up the working space of the telescopic arm, and the lifting mechanism drives the telescopic arm to ascend, so that a clamping mechanism of the telescopic arm clamps the wafer box and then lifts the wafer box from the bearing table, and the wafer box is conveyed into the vertical furnace in the stretching direction through stretching of the telescopic arm; and placing on a target position. Through the telescopic design of the telescopic arm, the occupied area can be reduced, the safety is improved through the sensor and the like, the device can be suitable for different types of wafer cassettes, the transmission efficiency is improved, and the adaptability is high.

A right angle transfer device has a conveying surface defined by a plurality of conveying members that are driven to convey objects in a conveyance direction. A diverting conveying member is mounted to a frame and is driven to divert objects in a direction angled away from the conveyance direction. A lift drive rotates a cam to move a bar in a substantially horizontal direction. The movement of the bar causes a frame link connected to the bar and the frame to raise and lower the frame. Once the frame has been moved upward to a sufficient extent, the diverting conveying member will be raised above the conveying members to come into contact with the object to thereby move and divert the object away from the conveyance direction.

The invention discloses satellite communication transmission equipment, which relates to the field of communication transmission, and comprises a transmission control module used for providing access authority of a signal receiving end and a signal transmitting end and carrying out editing operation of operation instructions of all functional modules; the signal monitoring module is used for monitoring the signal-to-noise ratio, the bit error rate and the received signal strength of signal receiving according to a preset period, calculating a signal quality index in real time, and performing trend analysis and display on the signal quality index; the feedback generation module is used for aggregating the calculation signal quality indexes from the signal monitoring module and generating comprehensive feedback information; the method can quickly respond to the change of signal quality, compares the real-time signal quality with a preset standard threshold, generates a control signal, intelligently adjusts the transmitting power according to the environmental change, generates a missing report according to historical and current data, timely identifies and records a missing data packet, and uses a prediction model to predict the missing data based on the historical data and the real-time signal state. And intelligently analyzing a potential data missing trend, and generating a recovery scheme.

A wireless communication apparatus and method using probabilistic constellation shaping in connection with modulation. A wireless transmission device may determine a sequence of amplitude symbols from a sequence of information bits using a distribution matcher (DM) configured for probabilistic amplitude shaping. The device may further apply error correction coding to encode an information block corresponding to at least a portion of the sequence of amplitude symbols. And the device may generate a sequence of output symbols for transmission based on the encoded information block. The device may apply interleaving to one or more of the sequence of amplitude symbols, the information block, the encoded information block, or a combination of the sequence of amplitude symbols and the encoded information block, for the generating of the sequence of output symbols.

To provide an article transfer device capable of maintaining the processing capacity of a transfer mechanism at a constant capacity regardless of the article supply capacity from upstream.SOLUTION: An article transfer device 1 includes: an input conveyor 12; an alignment conveyor 21; and an article transfer section 30. The input conveyor 12 transfers bags G in a first direction X1. The alignment conveyor 21 transfers multiple bags G sent from the input conveyor 12 in a second direction Y while arranging the bags G in a predetermined state to form an article group. The article transfer section 30 transfers the article group to a container 51. Multiple article groups are formed on the alignment conveyor 21.SELECTED DRAWING: Figure 1

The present invention belongs to the field of reduction transmission equipment, and in particular, relates to a self-lubricating reducer, including a housing, a rotating pipe, a rotating pipe is arranged on one side of the housing, a rotating cone shaft is rotatably arranged in the rotating pipe, one end of the rotating cone shaft extending into the housing is connected with a first bevel gear, one end of the first bevel gear is rotatably arranged in the housing with a gear assembly, an oil filling tank is arranged above the gear assembly at the top of the housing, a rotating power generating block that can be driven by the gear assembly to generate electricity is arranged in the oil filling tank, an electromagnetic plate that generates magnetism when powered is arranged above the rotating power generating block, a liquid infusion pipe is connected to both sides of the electromagnetic plate in the oil filling tank, the other end of the liquid infusion pipe is connected to the oil filling pipe, and a plurality of oil spray heads are evenly arranged in a straight line direction on one side of the oil filling pipe close to the gear assembly. The present invention can automatically lubricate the gear reduction assembly inside the reducer.

Methods and apparatuses for drying and charging electronic devices are disclosed. An exemplary method comprises: generating a first air flow, using a first pressure-generating device, through a first air path connecting a drying chamber, the first pressure-generating device, a first heat sink, and a moisture-collecting device; activating a thermoelectric system thermally connected to a thermal transfer device, wherein the thermoelectric system has a first polarity; generating a second air flow, using a second pressure-generating device, through a second air path connecting the second pressure-generating device and a second heat sink; generating an electrical current, by engaging the portable electronic device and a power source; generating a third air flow, using the first pressure-generating device, through the first air path; activating the thermoelectric system, wherein the thermoelectric system has a second polarity; and generating a fourth air flow, using the second pressure-generating device, through the second air path.

A point cloud data transmission method according embodiments comprises a step for encoding point cloud data including the geometry and attributes, the geometry being information indicating the positions of the points of the point cloud data, and the attributes including one or more among the color and reflectance of the points, wherein the encoding step comprises: a step for converting the coordinates representing the positions of the points; and a step for transmitting a bitstream including the encoded point cloud data. The point cloud data transmission method can encode and transmit the point cloud data.

The invention provides an intelligent suspension conveying device, one support is provided with a lubricating assembly used for automatically spraying lubricating oil to conveying equipment, the lubricating assembly is provided with an anti-dripping assembly used for automatic wiping after the lubricating oil is sprayed, and the intelligent suspension conveying device relates to the technical field of intelligent suspension equipment. According to the intelligent suspension conveying equipment, the lubricating assembly is arranged below the intelligent suspension conveying equipment, the function of regularly and automatically spraying lubricating oil to transmission equipment of the intelligent suspension conveying equipment is achieved, and the convenience and efficiency of equipment lubricating are improved. After spraying, redundant lubricating oil can fall into the oil receiving box to be effectively collected, random dripping of the lubricating oil is avoided, and therefore the working environment is kept clean and tidy. In the spraying process, the transmission equipment does not stop and continuously rotates, in the rotating process, the anti-dripping assembly can wipe redundant lubricating oil on the transmission equipment, the risk that residual oil on the transmission equipment drips to the ground is thoroughly eliminated, and the cleanliness and safety of the equipment are further improved.

Methods, systems, and devices for wireless communications are described. The described techniques may enable transmitting and receiving devices to increase an effective aperture size of transmitting and receiving antenna arrays, which may increase an achievable rank of spatially multiplexed communications. For example, one or both of the transmitting device and the receiving device may use a reflective component to reflect signals transmitted between the devices, which may allow for larger effective aperture sizes without increasing a physical distance between antenna elements. In some examples, the reflective component may be a static concave mirror associated with a predetermined weight vector and focal point. In some examples, the concave mirror may be a reflective intelligent surface (RIS) of reflective elements with reflective properties which may be dynamically adjusted to various weight vectors. An orientation of the RIS may be adjusted to steer a beam in various directions in space.

The invention discloses a predictive maintenance algorithm for transmission equipment, and relates to the technical field of maintenance of the transmission equipment, in particular to a roller conveying system applied to flexible materials, which is characterized by comprising the following steps: S1, arranging position triggers at key transition nodes of a roller conveyor for acquiring timestamps of the materials passing through detection points in real time, generating a unique number and a corresponding time sequence relationship for each material; and S2, standard material passing time is calculated based on the theoretical beat period, the difference between the actual time and the standard period is calculated, and a beat offset set is constructed to reflect the conveying beat deviation of the materials between the adjacent detection points. According to the method, early warning and intelligent regulation and control of flexible material conveying rhythm imbalance are achieved through rhythm offset modeling, abnormal aggregation recognition and root cause diagnosis, compression bandwidth and driving time delay are dynamically adjusted when the imbalance risk occurs, the accumulation risk is effectively relieved, and the system stability, the automation level and the operation efficiency are improved.

A switching control apparatus calculates a traffic amount in a predetermined period of each first transmission apparatus that is a transmission apparatus of a predetermined layer on the basis of allocation of radio resources to a terminal that wirelessly transmits a signal to a lowermost transmission apparatus among a plurality of transfer apparatuses that constitute a communication network hierarchized into a plurality of layers and transfer a received signal to a layer next above. The switching control apparatus calculates a processing capability predicted to be required for each second transmission apparatus which is a transmission apparatus of a layer next above the first transmission apparatus on the basis of the traffic amount of the first transmission apparatus. The switching control apparatus instructs a transfer apparatus for transferring a signal transmitted from the first transmission apparatus to the second transmission apparatus to switch a connection destination of the first transmission apparatus under the control of the second transmission apparatus in which congestion is determined to occur on the basis of the processing capability.

A method of measuring a direction between devices performing ultra-wide band (UWB) communication and each including a plurality of antennas includes transmitting signals through a plurality of antennas by a transmitting device and receiving the signals through a plurality of antennas by a receiving device, and selecting at least one of an angle of departure (AoD) method and an angle of arrival (AoA) method depending on statuses of the transmitting device and the receiving device and measuring the direction between the devices by using a selected method.