Abstract: The present disclosure relates to the field of organic electroluminescence materials and particularly relates to a compound and an organic light emitting display device. The compound has a structure represented by Formula (I): and, m, n, p, q, r, s, u, and v are each independently selected from 0 or 1, at least one of r and s is 1, at least one of u and v is 1, L1, L2, L3, and L4 are each independently selected from substituted or unsubstituted C6-C40 aryl, or substituted or unsubstituted C3-C40 heterocyclyl, and A1, A2, A3, and A4 each are independently selected from an electron acceptor unit.

Abstract: The present disclosure provides an organic compound, having a structure represented by Formula 1, in which L1, L2, and L3 are each independently selected from a single bond, or C4-C30 arylene; X1, X2, and X3 are each independently selected from CRa, or N, and at least one of X1, X2, or X3 is N; Ar1, Ar2, and Ar3 are each independently selected from C6-C60 aryl, a structure represented by Formula 2, or a structure represented by Formula 3; at least one of Ar1, Ar2, or Ar3 is the structure represented by Formula 2, and at least one of Ar1, Ar2, or Ar3 is the structure represented by Formula 3; X4, X5, X6, and X7 are each independently selected from CRb, or N, and at least one of X4, X5, X6, or X7 is N; # indicates a bonding position; and Ra and Rb are specifically defined in the specification.

Abstract: The present disclosure discloses an acoustic output apparatus including at least one acoustic driver, a controller, and a supporting structure. The at least one acoustic driver may be configured to output sounds through at least two sound guiding holes. The at least two sound guiding holes may include a first sound guiding hole and a second sound guiding hole. The controller may be configured to control a phase and an amplitude of the sounds generated by the at least one acoustic driver using a control signal such that the sounds output by the at least one acoustic driver through the first and second sound guiding holes have opposite phases. The supporting structure may be provided with a baffle and configured to support the at least one acoustic driver such that the first and second sound guiding holes are located on both sides of the baffle.

Abstract: The embodiments of the present disclosure provide methods for managing data of a call center of smart gas, executed by a processor in a smart gas management platform of an Internet of Things system for managing data of a call center of smart gas. The method may include: constructing call consultation data of a user to be troubleshooted based on consultation information of the user to be troubleshooted collected by a customer service from a user terminal through a network; generating a location result of a gas fault based on the call consultation data; and generating a fault handling plan based on the location result of the gas fault and sending the fault handling plan to the user terminal.

Abstract: The present disclosure provides an Industrial Internet of Things system for monitoring a collaborative robot with dual identification and a control method thereof. The Industrial Internet of Things includes a user platform, a service platform, a management platform and a sensing network platform and an object platform connected in sequence, and the control method comprises: monitoring a target collaborative robot on a production line, obtaining monitoring data, the monitoring data including at least one of image information of the target collaborative robot and displacement sensor data of the target collaborative robot; and processing the monitoring data.

Abstract: The present disclosure provides an acoustic output device comprising a bone conduction acoustic assembly used to generate a bone conduction acoustic wave; an air conduction acoustic assembly used to generate an air conduction acoustic wave; and a housing used to accommodate at least a portion of elements of the bone conduction acoustic assembly and the air conduction acoustic assembly. The housing includes a first chamber used to accommodate at least a portion of the bone conduction acoustic assembly; and a second chamber. The housing is provided with a sound outlet communicated with the second chamber. The air conduction acoustic wave is transmitted to an outside of the acoustic output device via the sound outlet. A frequency response curve of the air conduction acoustic wave has at least one resonance peak. A peak resonance frequency of the at least one resonance peak is greater than or equal to 1 kHz.

Abstract: The present disclosure provides an acoustic output apparatus including one or more status sensors, at least one low-frequency acoustic driver, at least one high-frequency acoustic driver, at least two first sound guiding holes, and at least two second sound guiding holes. The status sensors may detect status information of a user. The low-frequency acoustic driver may generate at least one first sound, a frequency of which is within a first frequency range. The high-frequency acoustic driver may generate at least one second sound, a frequency of which is within a second frequency range including at least one frequency exceeding the first frequency range. The first and second sound guiding holes may output the first and second spatial sound, respectively. The first and second sound may be generated based on the status information, and may simulate a target sound coming from at least one virtual direction with respect to the user.

Abstract: The present disclosure provides an acoustic output apparatus. The acoustic output apparatus may include a bone-conduction acoustic assembly, an air-conduction acoustic assembly, and a housing. The bone-conduction acoustic assembly may be configured to generate bone-conduction sound waves. The air-conduction acoustic assembly may be configured to generate air-conduction sound waves. The housing may include an accommodating chamber configured to accommodate the bone-conduction acoustic assembly and the air-conduction acoustic assembly. At least a portion of the housing may be in contact with a user's skin to transmit the bone-conduction sound waves under an action of the bone-conduction acoustic assembly. The air-conduction sound waves may be generated based on vibrations of at least one of the housing or the bone-conduction acoustic assembly when the bone-conduction sound waves are generated.

Abstract: The present disclosure relates to a loudspeaker. The loudspeaker may include a loudspeaker mechanism, a fixing mechanism, and a connector. The loudspeaker mechanism may be configured to generate a vibration signal and transmit the vibration signal to the human body. The fixing mechanism may be configured to support and maintain the position of the loudspeaker mechanism. The connector may be configured to connect the loudspeaker mechanism with the fixing mechanism. The loudspeaker mechanism may at least include a first fixed position and a second fixed position. The first fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a non-working state. The second fixed position may be a fixed position of the loudspeaker when the loudspeaker is in a working state. The connector may be configured to switch the loudspeaker mechanism between the first fixed position and the second fixed position.

Abstract: Systems and methods disclosed herein are directed to a systematic and robust methodology to conduct and measure geographical experiments.

Abstract: The present disclosure relates to an acoustic output apparatus. The acoustic output apparatus may include an earphone core including at least one acoustic driver for outputting sound though one or more sound guiding holes set on the acoustic output apparatus, a controller configured to cause the at least one acoustic driver to output sound, a power source assembly configured to provide electrical power to the earphone core, the one or more sensors, and the controller, and an interactive control component configured to allow an interaction between a user and the acoustic output apparatus.

Abstract: A light-emitting diode (LED) display panel includes a substrate, a driver circuit array on the substrate and including a plurality of pixel driver circuits arranged in an array, an LED array including a plurality of LED dies each being coupled to one of the pixel driver circuits, a micro lens array including a plurality of micro lenses each corresponding to and being arranged over at least one of the LED dies, and an optical spacer formed between the LED array and the micro lens array.

Abstract: A wireless communication apparatus, configured in a terminal equipment, includes a receiver configured to receive control information, the control information triggering a physical downlink shared channel, reception or monitoring of the control information being related to two TCI states, and a DCI format corresponding to the control information including no TCI field, and a processor configured to transmit or receive the physical downlink shared channel according to the two TCI states or according to one of the two TCI states.

Abstract: A method and a system for vehicle sideslip angle estimation based on event-triggered state estimation are provided. The method includes: setting an observation variable, and adopting a Kalman filtering algorithm for iteration aiming at estimation of a vehicle yaw rate; in the iteration, setting a parameter to 1, indicating that an event is triggered, when a calculation of the observation variable satisfies a predetermined condition, otherwise setting the parameter to 0, indicating that the event is not triggered; when the parameter is set and a GPS heading angle is updated, estimating a state variable according to a formula, and calculating a vehicle sideslip angle according to the vehicle yaw rate obtained by adopting the Kalman filtering algorithm; and when the parameter is 1 and the GPS heading angle is not updated yet, estimating the vehicle sideslip angle by fusing measurement data of both a GPS and an IMU.

Abstract: Synthetic adenoviruses having chimeric fiber proteins and liver detargeting mutations are described. The synthetic adenovirus vectors are capable of specifically infecting cells at wound sites or in regions of damaged tissue. The synthetic adenovirus vectors also are capable of expressing transgenes, such as wound healing factors, at sites of wounded or damaged tissue. Accordingly, the described vectors can be used to detect wounded or damaged tissue, and/or to promote wound healing and regeneration of damaged tissue, such as by expression of heterologous wound healing or tissue regeneration factors.

Abstract: The present disclosure relates to systems and methods for positioning a subject. The method may include generating a first image of the subject disposed on a scanning board of an imaging device. The first image may include position information of the subject. The method may further include generating a second image of the subject which includes information associated with one or more organs of the subjects. Additionally, the method may include determining the position of a ROI based on the first image and the second image. The method may further include operating the imaging device to scan a target portion of the subject.

Abstract: A method for document similarity analysis. The method includes generating a reference document content identifier for a reference document, including identifying frequently occurring terms in reference document content, encoding each frequently occurring term in a term identifier and combining the term identifiers to form the reference document content identifier associated with the reference document. The method also includes obtaining at least one document similarity value by comparing the reference document content identifier to a set of archived document content identifiers stored in a document repository.

Abstract: A resource scheduling indication method and apparatus and a communication system. The resource scheduling indication method includes: receiving by a terminal equipment resource scheduling indication information transmitted by a network device and used for indicating an uplink transmission resource, the uplink transmission resource including at least one resource scheduling unit; wherein one resource scheduling unit is a set of subcarrier clusters distributed spaced apart in a frequency domain in an integer number of scheduled bandwidth units; and transmitting uplink data on the uplink transmission resource by the terminal equipment.