Abstract: An information processing method, device, and storage medium are provided. The method includes: a screen-transmission sending end, in response to a first operation acting on characters, displaying the characters in an input box in response to a first operation acting on the characters; determining a target screen-transmission code according to input characters; displaying the target screen-transmission code in the input box; parsing the target screen-transmission code and obtaining an IP address of a screen-transmission receiving end; establishing a connection with the screen-transmission receiving end according to the IP address; sending the target screen-transmission code to the screen-transmission receiving end to obtain a check result of the target screen-transmission code; and if the check result is that a check is passed, sending screen transmission data to the screen-transmission receiving end.

Abstract: An interactive information terminal with variable form, comprising an information terminal, a rotating device, and a bracket, wherein the information terminal is fixed on the bracket by the rotating device, the rotating device includes a fixing member, a rotating member, and a rotating shaft, the fixing member is detachably connected with the information terminal, the rotating member is detachably connected with the bracket, and the rotating member is rotatably connected with the fixing member through the rotating shaft, so as to realize that the rotating member rotates around the axial line of the rotating shaft.

Abstract: A screen projection control method, storage medium and communication apparatus are provided. The screen projection control method includes: a screen projection receiving end receiving screen projection request information from a first screen projection sending end; determining, according to the screen projection request information, whether a third screen projection sending end that has triggered an interference-free mode of screen projection exists in at least one second screen projection sending end that is performing screen projection, wherein enabling the interference-free mode comprises stopping accepting a screen projection request; and if the third screen projection sending end that has enabled the screen projection interference-free mode exists, the screen projection receiving end sending response information for refusing the screen projection request to the first screen projection sending end.

Abstract: A connection method, device, display apparatus, terminal apparatus and medium, are provided. The method includes: in the non-networkable case, generating a connection code based on connection information, so that a first screen-transmission application of a client terminal parses the connection code to obtain the connection information, and then establishes a connection between the first screen-transmission application and a second screen-transmission application through the connection information; and publishing service information, wherein the service information includes connection code and available connection information indicated by the connection code, so that when the client terminal cannot establish a connection based on the connection information, the client terminal is connected to the server terminal based on the service information.

Abstract: The present disclosure provides an electronic apparatus (1000, 2000, 4000), including a housing. One end of the housing is provided with an accommodating cavity (1200, 2100, 4100). A sound guide assembly is provided in the accommodating cavity. The sound guide assembly includes a sound box (1300, 2200, 4200) and a sound guide device (2300, 4300). The sound guide device includes a sound receiving portion (2310) and a sound guide body (2320). The sound receiving portion is connected with the sound box. The sound guide body is configured to lead out a sound. An end surface (2312) of the sound receiving portion includes a sound inlet (2311, 4311). A tail end of the sound guide body deviating from the sound receiving portion includes a sound outlet (2321, 4321). A vertical height of a tail end of the sound guide body is smaller than that of the sound receiving portion.

Abstract: A data transmission method, device, conference system, wireless screen transmitter and storage medium are provided. According to the data transmission method, when the wireless screen transmitter accesses the terminal apparatus and performs screen transmission on the display apparatus, the privacy recognition program is quickly loaded from the wireless screen transmitter to the terminal apparatus. While transmitting corresponding media data to the wireless screen transmitter in real time according to current display screen, the terminal apparatus runs the privacy recognition program to recognize a privacy window in the current display screen and acquires corresponding position information, and then sends the position information to the wireless screen transmitter.

Abstract: A touch response method, device, interactive white board and storage medium are provided. The method acquires, based on infrared touch detection, touch operation data generated correspondingly by a current contact point on a writing interface. The touch operation includes a first touch operation and a second touch operation, and the first touch operation and the second touch operation are distinguished by the touch area. When there is only one touch operation, it confirms to enter a writing mode or an erasing mode according to a type of the touch operation.

Abstract: An exhibiting method of a desktop element and an electronic device are provided. The exhibiting method of the desktop element is applied to an operating system of the electronic device, a desktop of the operating system includes a desktop element, and the exhibiting method of the desktop element includes: receiving a set-to-top instruction directed at the desktop element; creating a floating-window container for the desktop element according to the set-to-top instruction; moving the desktop element from the desktop to the floating-window container; and locating the desktop element exhibited in the floating-window container on the upper layer of the interface exhibited in the desktop.

Abstract: A touch response method, device, interactive white board and storage medium are provided. The method acquires, based on infrared touch detection, touch operation data generated correspondingly by a current contact point on a writing interface. The touch operation includes a first touch operation and a second touch operation, and the first touch operation and the second touch operation are distinguished by the touch area. When there is only one touch operation, it confirms to enter a writing mode or an erasing mode according to a type of the touch operation.

Abstract: An information processing method, a device, and a storage medium, which relates to a screen transmission technology, are provided. The method includes: in response to a first operation acting on characters, displaying the characters in an input box, where the input box is an input box of a screen transmission application; determining a target screen-transmission code in candidate screen-transmission codes stored in a screen-transmission sending end according to input characters, where the number of characters contained in the target screen-transmission code is greater than the number of the input characters, the target screen-transmission code contains the input characters, the target screen-transmission code is a screen-transmission code of a screen-transmission receiving end, and the target screen-transmission code is acquired by the screen-transmission sending end from a beacon received from the screen-transmission receiving end; displaying the target screen-transmission code in the input box.

Abstract: An antenna assembly includes a dielectric substrate, wherein a first surface of the dielectric substrate includes a ground plane and a closed clearance region located in the ground plane; a first antenna unit and a second antenna unit, the first antenna unit and the second antenna unit being spaced apart on the first surface of the dielectric substrate and located in the closed clearance region, and the first antenna unit and the second antenna unit being orthogonally arranged; a radio frequency chip, arranged on the dielectric substrate and connected with the first antenna unit and the second antenna unit respectively; and a metal resonant cavity, arranged on a second surface of the dielectric substrate, wherein in a direction perpendicular to the second surface, at least a part of a projection of the closed clearance region on the metal resonant cavity is within an outer contour of the metal resonant cavity.

Abstract: A reflector and a backlight having the same are provided. The reflector is provided with a special-shaped assembly hole. The special-shaped assembly hole includes a first included angle and a second included angle opposite to each other. Two sides forming the first included angle are respectively a first upper side and a second upper side, and two sides forming the second included angle are respectively a first lower side and a second lower side. The special-shaped assembly hole further includes a first arc-shaped side and a second arc-shaped side opposite to each other. The special-shaped assembly hole further includes a first limiting side, a second limiting side, a third limiting side, and a fourth limiting side.

Abstract: The present disclosure provides a method, an apparatus, a terminal device, and a storage medium for operating an interactive white board. The method includes receiving a file exhibition operation that occurs on a whiteboard application interface, opening a file exhibition window, displaying, in the file exhibition window, a file selected according to the file exhibition operation, and placing the file exhibition window on the whiteboard application interface, receiving a writing operation that occurs on the whiteboard application interface, and according to the writing operation, generating a writing trajectory on the whiteboard application interface.

Abstract: An audio signal processing method, device and storage medium, are provided. The method includes performing sub-band filtering on a to-be-processed audio signal to obtain a plurality of sub-band signals, wherein the number of the sub-band signals is determined according to a lowest frequency of a band-pass filter and a cut-off frequency of an audio apparatus, and the sub-band signals comprise sub-band band-pass signals; and obtaining a target audio signal according to each of the sub-band band-pass signals and a processing algorithm of virtual bass enhancement signal.

Abstract: An interactive white board includes a display screen, a metal backboard, an antenna assembly, and a mainboard, wherein the metal backboard is located behind the display screen, and is provided with through holes, the antenna assembly is disposed on a surface of the metal backboard facing away from the display screen, and is located in a display region of the display screen, the antenna assembly is disposed directly opposite to the through holes, the mainboard is provided on the surface of the metal backboard facing away from the display screen, and the antenna assembly is electrically connected with the mainboard.