Abstract: An electronic whiteboard system and an operation method thereof are provided. The electronic whiteboard system includes a data processing device. The data processing device calculates an original message amount of an original object move message according to an object move operation on a cloud electronic whiteboard operated by one of the client devices. The data processing device simulates a grouping message amount of a grouping object move message according to the object move operation. The data processing device compares the original message amount and the grouping message amount to determine whether to generate the grouping object move message, and transmits the original object move message or the grouping object move message to other of the plurality of client devices.

Abstract: An electronic device and a method for video conference are provided. The electronic device includes a transceiver, a storage medium, and a processor. The storage medium stores a plurality of modules. The processor is coupled to the storage medium and the transceiver, and is configured to access and execute the plurality of modules. The plurality of modules include a receiving terminal application and a virtual device. The receiving terminal application receives at least one first video data through the transceiver, and synthesizes the at least one first video data into synthesized video data. The virtual device converts the synthesized video data into formatted video data, and outputs the formatted video data.

Abstract: An electronic whiteboard system includes a data processing equipment receiving a plurality of first editing information provided by at least a portion of a plurality of client-end equipment, sorting and grouping the plurality of first editing information to select and sort from the plurality of first editing information as a plurality of pre-processing information, calculating a plurality of priority scores of the plurality of pre-processing information, sorting the plurality of pre-processing information according to the plurality of priority scores, verifying whether the plurality of pre-processing information sorted according to the priority scores are permitted to select at least one of the plurality of pre-processing information verified as permitted to generate second editing information, and executing the second editing information, so that the plurality of client-end equipment display editing results of a cloud electronic whiteboard corresponding to the second editing information.

Abstract: A hanger hanging multiple display modules is provided. Each display module has at least one rolling receiving portion. The hanger includes a hanger base and a first hanging structure disposed on the hanger base and including at least one first hanging slot corresponding to the rolling receiving portion of the display module. A rolling receiving portion of a first display module passes through the first hanging slot to hang the first display module on the first hanging structure. The first hanging slot includes a first guide section extending along a first direction and a second guide section extending along a second direction. The second guide section is connected to the first guide section. The rolling receiving portion reaches a first position by guidance of the first guide section and a second position by guidance of the second guide section. A display device using the hanger is further provided.

Abstract: An automatic connection and disconnection system and an automatic connection and disconnection method are provided. The method includes the following steps. A connection signal sent by an electronic device is received by a determining device. The connection signal includes intensity information obtained from measuring at least three identification signals by the electronic device. The at least three identification signals are from at least three peripheral devices, and the at least three peripheral devices are placed to form a geographical region. Also, a first position of the electronic device is located by the determining device according to the connection signal. Next, whether the first position is within the geographical region is determined by the determining device. When the first position is within the geographical region, the electronic device is communicatively connected to a connecting device. The connecting device is located within or outside the geographical region.

Abstract: An assembly-disassembly tool is adapted for assembling and disassembling a lamp board. The assembly-disassembly tool includes a magnetic conductive member and a sliding module. The magnetic conductive member includes a through hole. When the disassembly tool is positioned on the lamp board, the through hole of the magnetic conductive member is aligned with an iron sheet of the light board. The sliding module including a magnet is slidably disposed above the magnetic conductive member along a direction parallel to a top surface of the magnetic conductive member. When the sliding module is located at a first position relative to the magnetic conductive member, the magnet is staggered with the through hole. When the sliding module slides to a second position relative to the magnetic conductive member, the magnet is aligned with the through hole and is configured to magnetically attract the iron sheet of the lamp board.

Abstract: A projection apparatus and a projection method are provided. The projection apparatus includes a projection device, a capturing image device, and a processing device. The capturing image device is configured to obtain an environmental image. The processing device is coupled to the projection device and the capturing image device. The processing device is configured to analyze the environmental image to provide at least one effective projection region. The processing device selects one of the at least one effective projection regions as a target projection region. The projection device is configured to project a projection image to the target projection region.

Abstract: A display system and an operation method thereof are provided. The display system includes a display device and a remote control device. The display device includes a control unit and a biometric characteristic management unit. The control unit is coupled to the biometric characteristic management unit. The remote control device includes a biometric characteristic sensor and is connected to the display device via wireless communication. The biometric characteristic sensor of the remote control device obtains biometric characteristic data. The remote control device transmits the biometric characteristic data to the display device, so that the biometric characteristic management unit of the display device compares the biometric characteristic data with a biometric characteristic registration database to determine whether the control unit automatically executes an application program.

Abstract: The invention relates to a multimedia system and a multimedia operation method. The multimedia system includes a first portable electronic device, a collaboration device, a camera, and an audio-visual processing device. The first portable electronic device provides a first operation instruction. The collaboration device is coupled to the first portable electronic device and receives the first operation instruction. The collaboration device provides a multimedia picture, and the multimedia picture is changed with the first operation instruction. The camera provides a video image. The audio-visual processing device is coupled to the collaboration device and the camera, and the audio-visual processing device receives the multimedia picture and a video image, and outputs a synthesized image with an immersive audio-visual effect according to the multimedia picture and the video image.

Abstract: A method for simulating setting of a projector by augmented reality (AR) includes: activating an AR application on a terminal device; performing, through an image capturing element of the terminal device, dimension measurement on a space where a projector is to be disposed to obtain a space dimension; selecting a placement reference point of the projector and a display reference point of a projection picture; generating, according to the space dimension, the placement reference point, and the display reference point, a simulation picture on the terminal device when the projector projects the projection picture in the space; adjusting the projection picture and/or the projector in the simulation picture to generate an adjusted simulation picture; and comparing the adjusted simulation picture with projector parameter data of projector models to recommend at least one projector model to a user for selection or inputting, by the user, a custom projector model.

Abstract: A projection apparatus and a direct setting method of a projection image are provided. The projection apparatus includes a projection device, an input interface, and a processing device. The input interface is configured to provide a plurality of setting items. The processing device is coupled to the projection device. When the projection device projects a projection image, the processing device is configured to directly set an image format of the projection image according to a setting signal provided by the input interface in response to selection of one of the setting items. The disclosure provides a fast image format setting function for the projection image.

Abstract: A light-emitting module including multiple light-emitting units and a display device are provided. Each of the light-emitting units includes multiple light-emitting elements. Each of the light-emitting elements includes a first end and a second end. The first ends of the light-emitting elements of a first light-emitting unit and a second light-emitting unit among the light-emitting units are electrically interconnected. The first ends of the light-emitting elements of a third light-emitting unit and a fourth light-emitting unit among the light-emitting units are electrically interconnected. The second end of one of the light-emitting elements of the first light-emitting unit and the second end of one of the light-emitting elements of the corresponding third light-emitting unit are electrically interconnected.

Abstract: Provided is a light emitting module, including multiple light emitting units and a multi-layer board. Each light emitting unit includes multiple light emitting elements and side connectors. Each light emitting element includes first and second ends. The light emitting units are disposed on the multi-layer board. The first and second ends of each light emitting element are connected to the side connectors through multiple through holes of the multi-layer board. The first ends of the light emitting elements of first and second light emitting units are electrically connected to each other. The first ends of the light emitting elements of third and fourth light emitting units are electrically connected to each other. The display device using the light emitting module of the disclosure may conduct the adjacent light emitting units to each other through the side connectors, increasing repair possibility and reducing the scrap uncontrolled rate of the display device.

Abstract: The disclosure relates to a display method and a display system. The display method includes: connecting a plurality of display devices in series with each other, the plurality of display devices including a main display device and at least one slave display device, the main display device having EDID; setting the connection order of the display device; correspondingly changing the EDID of the main display device according to the connection order of the display device; configuring the main display device to receive the display image according to the changed EDID; and configuring the display device to perform an image segmentation operation on the display image according to the connection order to respectively display multiple segmented regions of the display image.

Abstract: A projection apparatus and a projection method are provided. The projection apparatus includes a projection device, a capturing image device, and a processing device. The capturing image device is configured to obtain an environmental image. The processing device is coupled to the projection device and the capturing image device. The processing device is configured to analyze the environmental image to provide at least one effective projection region. The processing device selects one of the at least one effective projection regions as a target projection region. The projection device is configured to project a projection image to the target projection region.

Abstract: A projection apparatus and a direct setting method of a projection image are provided. The projection apparatus includes a projection device, an input interface, and a processing device. The input interface is configured to provide a plurality of setting items. The processing device is coupled to the projection device. When the projection device projects a projection image, the processing device is configured to directly set an image format of the projection image according to a setting signal provided by the input interface in response to selection of one of the setting items. The disclosure provides a fast image format setting function for the projection image.

Abstract: A method for simulating setting of a projector by augmented reality (AR) includes: activating an AR application on a terminal device; performing, through an image capturing element of the terminal device, dimension measurement on a space where a projector is to be disposed to obtain a space dimension; selecting a placement reference point of the projector and a display reference point of a projection picture; generating, according to the space dimension, the placement reference point, and the display reference point, a simulation picture on the terminal device when the projector projects the projection picture in the space; adjusting the projection picture and/or the projector in the simulation picture to generate an adjusted simulation picture; and comparing the adjusted simulation picture with projector parameter data of projector models to recommend at least one projector model to a user for selection or inputting, by the user, a custom projector model.

Abstract: An automatic connection and disconnection system and an automatic connection and disconnection method are provided. The method includes the following steps. A connection signal sent by an electronic device is received by a determining device. The connection signal includes intensity information obtained from measuring at least three identification signals by the electronic device. The at least three identification signals are from at least three peripheral devices, and the at least three peripheral devices are placed to form a geographical region. Also, a first position of the electronic device is located by the determining device according to the connection signal. Next, whether the first position is within the geographical region is determined by the determining device. When the first position is within the geographical region, the electronic device is communicatively connected to a connecting device. The connecting device is located within or outside the geographical region.

Abstract: A video conference system, a video conference apparatus and a video conference method are provided. The video conference system includes a video conference apparatus and a display apparatus. The video conference apparatus includes an image detection device, a sound source detection device, and a processor. The image detection device obtains a conference image of a conference space. When the sound source detection device detects a sound generated by a sound source in the conference space, the sound source detection device outputs a positioning signal. The processor receives the positioning signal, and determines whether a real face image exists in a sub-image block of the conference image corresponding to the sound source according to the positioning signal to output the image signal. The display apparatus displays a close-up conference image including the real face image according to the image signal.

Abstract: A video conference system, a video conference apparatus and a video conference method are provided. The video conference system includes a video conference apparatus and a display apparatus. The video conference apparatus includes an image detection device, a sound source detection device, and a processor. The image detection device obtains a conference image of a conference space. When the sound source detection device detects a sound generated by a sound source in the conference space, the sound source detection device outputs a positioning signal. The processor receives the positioning signal, and determines whether a real face image exists in a sub-image block of the conference image corresponding to the sound source according to the positioning signal to output the image signal. The display apparatus displays a close-up conference image including the real face image according to the image signal.