Abstract: A multi-axis turntable includes a base, a rocker arm and a first driving device capable of driving the rocker arm to rock around the first rotation axis on the base. A swing arm and a second driving device, which is capable of driving the swing arm to swing around the second rotation axis on the rocker arm, are provided on the rocker arm. A workbench and a third driving device for driving the workbench to rotate around the third rotation axis are provided on the swing arm. The second rotation axis and the third rotation axis are parallel to each other or on different planes. Compared with the existing double rotating shaft turntable, the multi-axis turntable of the present invention has a cutting tool system of good and stable rigidity.

Abstract: This application relates to the field of battery technology, and in particular, to a box assembly, a battery module, a battery, and an electrical device. The box assembly may include at least a partition piece and two end plates. In the box assembly disclosed herein, a stress relief piece may be disposed at two ends of a main body of the partition piece. The main body may be connected to the end plate by use of the stress relief piece. A corner may be formed between the stress relief piece and the main body. In this way, when the battery module is subjected to stress, at least a part of the stress can be relieved through the corner formed between the stress relief piece and the main body.

Abstract: A splint and a method for operating a splint are disclosed. The splint includes a plurality of plates, at least one rope, and at least one fastening drive device. The plurality of plates include a first plate. The rope is in movable connection with the plurality of plates. The fastening drive device is on the first plate, and is connected to the rope and configured to drive the rope under control, so as to allow the rope to be tightened or loosened under drive of the fastening drive device to drive the plurality of plates to move relatively close to each other or relatively away from each other.

Abstract: The disclosure relates to a light valve device and smart glass. The light valve device includes a transparent substrate, a rollable light shielding film, and a limit fixing structure. The light shielding film includes an upper surface, a lower surface, and a plurality of end surfaces between the upper surface and the lower surface, the end surface including at least a first end surface and a second end surface that are opposite to each other, an edge portion of the light shielding film proximate to the first end surface being fixed on the transparent substrate, and the light shielding film being capable of being rolled to move the second end surface toward the first end surface.

Abstract: An audiovisual device and a control method of the audiovisual device are provided, the audiovisual device includes a backboard, the backboard is provided with a directional speaker, a regulator component and a display component that is configured for providing visual content, the directional speaker is configured for emitting a directional sound to a display side of the display component, and the regulator component is configured for regulating an orientation of the directional speaker on the display side of the display component.

Abstract: A suspended galaxy device includes: a drive component, a star component, at least one planet component, and an orbit component. The planet component includes a rotation portion that is transmissively connected to the drive component and rotatable about the star component, a planet holder and a planet model. The orbit component includes at least one annular orbit corresponding to the at least one planet component; and the planet holder is on the rotation portion, and the annular orbit corresponds to a motion track of the planet holder. The planet holder, the annular orbit and the planet model are all magnetic, and are configured such that the planet model is suspended between the planet holder and the annular orbit.

Abstract: A suspended galaxy device includes: a drive component, a star component, at least one planet component, and an orbit component. The planet component includes a rotation portion that is transmissively connected to the drive component and rotatable about the star component, a planet holder and a planet model. The orbit component includes at least one annular orbit corresponding to the at least one planet component; and the planet holder is on the rotation portion, and the annular orbit corresponds to a motion track of the planet holder. The planet holder, the annular orbit and the planet model are all magnetic, and are configured such that the planet model is suspended between the planet holder and the annular orbit.

Abstract: A display apparatus, including: a first touch screen; and a touch device including a touch portion and an electrical connection portion. The touch portion is on a side of the first touch screen and is electrically connected to the first touch screen through the electrical connection portion. The touch portion is configured to generate an electrical signal in response to a touch operation of a user on the touch portion, and provide the generated electrical signal to the first touch screen through the electrical connection portion to perform a touch control operation.

Abstract: An audiovisual device and a control method of the audiovisual device are provided, the audiovisual device includes a backboard, the backboard is provided with a directional speaker, a regulator component and a display component that is configured for providing visual content, the directional speaker is configured for emitting a directional sound to a display side of the display component, and the regulator component is configured for regulating an orientation of the directional speaker on the display side of the display component.

Abstract: The disclosure relates to the field of cycle technologies, and particularly to a wheel and a cycle. The wheel comprises a rim, a tire covering an outer periphery face of the rim, and a friction power device sandwiched between the rim and the tire; wherein the friction power device can produce a frictional current when pressed by the rim and/or the tire.

Abstract: A splint and a method for operating a splint are disclosed. The splint includes a plurality of plates, at least one rope, and at least one fastening drive device. The plurality of plates include a first plate. The rope is in movable connection with the plurality of plates. The fastening drive device is on the first plate, and is connected to the rope and configured to drive the rope under control, so as to allow the rope to be tightened or loosened under drive of the fastening drive device to drive the plurality of plates to move relatively close to each other or relatively away from each other.

Abstract: An outdoor sunshade umbrella and a method for using the same are provided. The outdoor sunshade umbrella includes: a supporting portion; a sunshade umbrella main body pivotally connected with the supporting portion; and a control portion. The control portion is used to control the supporting portion to automatically adjust a position of the sunshade umbrella main body according to a direction of sunlight and position information of an obscured object.

Abstract: The present disclosure provides a writing display system, method and apparatus, wherein the writing display system comprises: an electromagnetic pen; an inductive plate configured to induce a moving trajectory of the electromagnetic pen on the inductive plate to acquire writing information; and a display terminal in communication with the inductive plate, configured to display the writing information.

Abstract: The disclosure relates to a light valve device and smart glass. The light valve device includes a transparent substrate, a rollable light shielding film, and a limit fixing structure. The light shielding film includes an upper surface, a lower surface, and a plurality of end surfaces between the upper surface and the lower surface, the end surface including at least a first end surface and a second end surface that are opposite to each other, an edge portion of the light shielding film proximate to the first end surface being fixed on the transparent substrate, and the light shielding film being capable of being rolled to move the second end surface toward the first end surface.

Abstract: The present disclosure provides a writing display system, method and apparatus, wherein the writing display system comprises: an electromagnetic pen; an inductive plate configured to induce a moving trajectory of the electromagnetic pen on the inductive plate to acquire writing information; and a display terminal in communication with the inductive plate, configured to display the writing information.

Abstract: A splint and an operation method thereof are provided. The splint includes a plurality of plates and a splint fastening device. The splint fastening device is connected to the plurality of plates and configured to allow the plurality of plates to be relatively close to each other or relatively away from each other. At least one plate of the plurality of plates includes two sub-plates that are relatively rotatable, and the splint is capable of being bent or restored by relative rotation of the two sub-plates.

Abstract: A splint and an operation method thereof are provided. The splint includes a plurality of plates and a splint adjustment device. The splint adjustment device is connected to the plurality of plates and configured to allow the plurality of plates to move relatively close to each other or relatively away from each other. At least one of the plurality of plates comprises at least two split portions, and the at least two split portions are configured to be separated from each other or be combined with each other, so as to allow a space surrounded by the plurality of plates to be opened or closed.

Abstract: A testing method for splicing screens is provided. The method includes: outputting an image signal to a display screen, wherein the display screen includes a plurality of splicing screens, the image signal includes a plurality of testing sub pictures, the testing sub pictures are arranged correspondingly to the splicing screens so as to enable the splicing screens to display the corresponding testing sub pictures, and the testing sub pictures include testing contents; and testing the splicing screens through the testing contents, wherein the testing contents include a graduation signal, by which an accurate test is performed on the splicing screens.

Abstract: The present disclosure provides a backlight module and a double-sided liquid crystal display device. The light utilization efficiency of the backlight module is improved. The backlight module includes a light emitting component, the light emitting component includes a first light exit surface and a second light exit surface disposed opposite to each other. A first liquid crystal brightness enhancement film and a first quarter-wave plate are sequentially disposed along a light emitting direction of the first light exit surface. A second liquid crystal brightness enhancement film and a second quarter-wave plate are sequentially disposed along a light emitting direction of the second light exit surface. A rotation structure of the first liquid crystal brightness enhancement film is opposite to a rotation structure of the second liquid crystal brightness enhancement film.

Abstract: The present application discloses a foldable display device, comprising a flexible screen and a support backplane cooperating therewith, the support backplane includes a first support plate and a second support plate hinged therewith by a rotary shaft system; a tension releasing mechanism is disposed at the first support plate or the second support plate, the flexible screen has a first end connected to the first support plate or the second support plate, and a second end opposite thereto, the second end is connected to the tension releasing mechanism, such that the second end of the flexible screen is slidable along a corresponding support plate between a first position in which the foldable display device is in an outward bending state and a second position in which the foldable display device is in a deployed state, and between the second position and a third position in which the foldable display device is in an inward bending state.