Abstract: A connector with a direct locking and a rotational pre-ejection function is provided. The connector includes an insulated body, a plurality of terminals, an inner shell, an outer shell, a snap ring, a plurality of fasteners, an ejector, a first elastic element, and a second elastic element. The outer shell has a cam surface, the ejector has an abutting portion, and the abutting portion is in contact with the cam surface. When the connector and a mating connector are inserted into each other, snap bodies of the fasteners and fastener bodies of the mating connector can be snapped into each other to be directly locked. When the connector and the mating connector are to be separated from each other, the snap bodies of the fasteners and the fastener bodies of the mating connector can be separated from each other to be directly unlocked.

Abstract: A connector with a direct locking and a rotational pre-ejection function is provided. The connector includes an insulated body, a plurality of terminals, an inner shell, an outer shell, a snap ring, a plurality of fasteners, an ejector, a first elastic element, and a second elastic element. The outer shell has a cam surface, the ejector has an abutting portion, and the abutting portion is in contact with the cam surface. When the connector and a mating connector are inserted into each other, snap bodies of the fasteners and fastener bodies of the mating connector can be snapped into each other to be directly locked. When the connector and the mating connector are to be separated from each other, the snap bodies of the fasteners and the fastener bodies of the mating connector can be separated from each other to be directly unlocked.

Abstract: A headphone structure includes a front housing, a rear housing combined to the front housing, a mesh cover, a sound-producing unit disposed within the front housing, and an elastic earbud. The front housing includes a protruding post portion, a sound channel formed on a front end surface of the protruding post portion, a slit formed on the protruding post portion, and a bearing flange formed on an inner surface of the sound channel to load the mesh cover. One distal end of the slit is connected to the inner surface of the sound channel, and one part of the protruding post portion is arranged between the front end surface of the protruding post portion and the distal end of the slit. The elastic earbud is elastically sleeved on the protruding post portion, so an elongated air vent is formed by the elastic earbud and the slit.

Abstract: A headphone structure includes a front housing, a rear housing combined to the front housing, a mesh cover, a sound-producing unit disposed within the front housing, and an elastic earbud. The front housing includes a protruding post portion, a sound channel formed on a front end surface of the protruding post portion, a slit formed on the protruding post portion, and a bearing flange formed on an inner surface of the sound channel to load the mesh cover. One distal end of the slit is connected to the inner surface of the sound channel, and one part of the protruding post portion is arranged between the front end surface of the protruding post portion and the distal end of the slit. The elastic earbud is elastically sleeved on the protruding post portion, so an elongated air vent is formed by the elastic earbud and the slit.

Abstract: A connector with a direct locking and a rotational pre-ejection function is provided. The connector includes an insulated body, a plurality of terminals, an inner shell, an outer shell, a fastener, an ejector, a first elastic element, and a second elastic element. A plurality of push blocks are disposed in the outer shell, the ejector has a plurality of slope surfaces, and the push blocks are in contact with the slope surfaces, respectively. When the connector and a mating connector are inserted into each other, snap bodies of the fastener and fastener bodies of the mating connector can be snapped into each other to be directly locked. When the connector and the mating connector are to be separated from each other, the outer shell can be rotated to cause the snap bodies to disengage and to cause the push blocks to rotate while in contact with the sloped surfaces to effect ejector rods to move forwardly to eject the mating connector.

Abstract: A cigarette filter rod boxing machine, including a cigarette filter rod holding mechanism and a cigarette filter rod pushing mechanism. The cigarette filter rod holding mechanism includes a lifting groove and a lifting power mechanism. The cigarette filter rod pushing mechanism includes a bottom plate, a middle push plate, a middle push vertical plate, an upper push plate, and an upper push plate limiting mechanism. The middle push vertical plate is vertically fixed on one side of the middle push plate, and the other side of the middle push vertical plate is precisely opposite to the other side of the U-shaped groove body. The first power mechanism used for controlling the middle push plate and the components on the middle push plate to advance to or return from the inside of the lifting groove is arranged between the bottom plate and the middle push plate.

Abstract: A method for extracting structured data from an image is provided. The method includes: obtaining a first information set and a second information set in the image by using an image text extraction model, where the image includes at least one piece of structured data; obtaining at least one text subimage in the image based on at least one piece of first information included in the first information set; identifying text information in the at least one text subimage; and obtaining at least one piece of structured data in the image based on the text information in the at least one text subimage and at least one piece of second information included in the second information set. By using the image text extraction model and a text identification model, structured data extraction efficiency and accuracy are improved.

Abstract: A communications apparatus, a base station, and a communications method. The communications apparatus includes processing circuitry configured to: group users in a 3D beam-forming space of a current cell into multiple space user groups; determine group configuration information of the users in the 3D beam-forming space of the current cell; notify a neighbor cell of the group configuration information of the users in the 3D beam-forming space of the current cell to assist inter-cell interference coordination, wherein the current cell is configured with an antenna array having multiple physical antennas to achieve 3D beam-forming.

Abstract: A rotary bird feeder device includes a direction indicator and a bird feeder. Through the combination of the direction indicator and the bird feeder, not only the direction indicator indicates the direction for others, but also birds feed on the bird feeder above the direction indicator, which has strong ornamental, smart and reasonable structure design, and strong practicality. The bird feeder has a rotating function to facilitate cleaning of the outside of the bird feeder. By providing a bird feeding space for storing birdseed in the direction indicator, the direction indicator has the function of a bird feeder, and the space design of the direction indicator is skillfully utilized.

Abstract: A motor control system includes a motor and a processor, and the processor is electrically connected to the motor. The processor performs the following actions: calculating the d-axis magnetic flux and the q-axis magnetic flux in a synchronous rotating reference frame according to the information fed back by the motor; multiplying the d-axis magnetic flux and the q-axis magnetic flux by a d-axis current feedback and a q-axis current feedback to be a d-axis flux-current product and a q-axis flux-current product respectively; subtracting the q-axis flux-current product from the d-axis flux-current product to get a flux-current product error; sending the flux-current product error to a proportional-integral controller to generate a present compensation current-angle command; adding the present compensation current-angle command and a previous current-angle command to obtain the present current-angle command; sending the present current-angle command to a d-q axis current regulator for processing.

Abstract: Disclosed are a wireless communication device and a wireless communication method. The wireless communication device according to one embodiment comprises one or more processors. The processors are configured so as to: on the basis of auxiliary dissemination limitation information about a source device as an information dissemination source, acquire device information about candidate devices capable of establishing direct communication with the source device; on the basis of the locations of the source device and the candidate devices, select a target device for establishing direct communication with the source device from the candidate devices; and determine a transmission resource for direct communication with the target device and generate a transmission resource scheduling indication.

Abstract: A motor control system includes a motor and a processor, and the processor is electrically connected to the motor. The processor performs the following actions: calculating the d-axis magnetic flux and the q-axis magnetic flux in a synchronous rotating reference frame according to the information fed back by the motor; multiplying the d-axis magnetic flux and the q-axis magnetic flux by a d-axis current feedback and a q-axis current feedback to be a d-axis flux-current product and a q-axis flux-current product respectively; subtracting the q-axis flux-current product from the d-axis flux-current product to get a flux-current product error; sending the flux-current product error to a proportional-integral controller to generate a present compensation current-angle command; adding the present compensation current-angle command and a previous current-angle command to obtain the present current-angle command; sending the present current-angle command to a d-q axis current regulator for processing.

Abstract: A reliability determination method, which is configured to test a batch of semiconductor devices, includes: obtaining a Welbull distribution of lifetime of the batch of semiconductor devices; dividing the Welbull distribution into at least a first section and a second section, wherein the first section and the second section meet a confidence interval; generating a first trend line of the first section and a second trend line of the second section according to the first confidence level, in which the first trend line has a first slope and the second trend line has a second slope; determining the first slope exceeds a second slope; and determining a predicted reliability of the batch of the semiconductor device under a target quality level according to the first section.

Abstract: A cigarette filter rod boxing machine, including a cigarette filter rod holding mechanism and a cigarette filter rod pushing mechanism. The cigarette filter rod holding mechanism includes a lifting groove and a lifting power mechanism. The cigarette filter rod pushing mechanism includes a bottom plate, a middle push plate, a middle push vertical plate, an upper push plate, and an upper push plate limiting mechanism. The middle push vertical plate is vertically fixed on one side of the middle push plate, and the other side of the middle push vertical plate is precisely opposite to the other side of the U-shaped groove body. The first power mechanism used for controlling the middle push plate and the components on the middle push plate to advance to or return from the inside of the lifting groove is arranged between the bottom plate and the middle push plate.

Abstract: A wireless communication device and a wireless communication method. A wireless communication device for use in a user equipment side includes one or more processors. The processor is configured to: obtain information about movement of the wireless communication device relative to a serving base station thereof; adjust a triggering condition for sending a measurement report for use in cell handover based on the information; and control sending of the measurement report according to the adjusted triggering condition.

Abstract: A reliability determination method, which is configured to test a batch of semiconductor devices, includes: obtaining a Welbull distribution of lifetime of the batch of semiconductor devices; dividing the Welbull distribution into at least a first section and a second section, wherein the first section and the second section meet a confidence interval; generating a first trend line of the first section and a second trend line of the second section according to the first confidence level, in which the first trend line has a first slope and the second trend line has a second slope; determining the first slope exceeds a second slope; and determining a predicted reliability of the batch of the semiconductor device under a target quality level according to the first section.

Abstract: A rotary bird feeder device includes a direction indicator and a bird feeder. Through the combination of the direction indicator and the bird feeder, not only the direction indicator indicates the direction for others, but also birds feed on the bird feeder above the direction indicator, which has strong ornamental, smart and reasonable structure design, and strong practicality. The bird feeder has a rotating function to facilitate cleaning of the outside of the bird feeder. By providing a bird feeding space for storing birdseed in the direction indicator, the direction indicator has the function of a bird feeder, and the space design of the direction indicator is skillfully utilized.

Abstract: A Christmas tree includes a Christmas tree body. The Christmas tree body has an upright pole and a blade unit that is detachably mounted to the pole to form the Christmas tree. Blades of the blade unit are rotated around the pole by means of natural wind power, thereby improving the fun of the Christmas tree. The structure design is ingenious and reasonable, energy-saving and environmentally friendly, and practical. It is suitable for indoor and outdoor applications. Besides, the assembly is easy, the transportation is convenient, and the cost is low.

Abstract: The present invention provides a multispectral color imaging device, an automatic calibration method based on a reference reflective surface, and a method for eliminating background signals. A multispectral color imaging device including a light house module comprising a light source and a light intensity collection device surrounding the light source; an integrating sphere module including an integrating sphere, a light inlet on one side of the integrating sphere, a light outlet on the top of the integrating sphere, a sample holder gateway on the other side of the integrating sphere and a sample holder having access to the interior of the integrating sphere; and a filter wheel module including a camera, a filter wheel below the camera, and a lens below the filter wheel. The device and calibration methods of the present invention together improve the accuracy and stability of the measurement.

Abstract: A device and method for vehicle-to-vehicle communication. The method includes: a source device sends a request message to a base station, the request message being used for requesting the base station to allocating a resource; a node device that is synchronous with the source device sends synchronous information to at least one target device, so that the at least one target device establishes time synchronization with the source device according to the synchronous information, wherein the node device is a road-side device or an in-car device capable of communicating; the source device informs the at least one target device of a resource allocated by the base station; and the source device sends service information to the at least one target device by utilizing the resource.