Abstract: An electronic system, an electronic device and a method for setting an extending screen thereof, and a projector apparatus are provided. The method for setting the extending screen includes following steps. Whether at least one projector apparatus is connected to an electronic device is determined. Moreover, when the projector apparatus is connected to the electronic device, the projector apparatus is set as at least one extending screen extended out from the edge of the screen of the electronic device. The corresponding relationship between the extending screen and the screen is related to the location relationship between the connected projector apparatus and the screen of the electronic device.

Abstract: The invention introduces a screen-sharing method, executed by a processing unit of a screen-sharing source, which contains at least the following steps. Application windows being opened on a display unit are obtained. For each application window, screen-sharing receivers, which are connected to the screen-sharing source, are detected and items are appended to a system menu instance of the application window, where each item corresponds to one screen-sharing receiver.

Abstract: The invention introduces a method for operating interactive whiteboards, performed by a processing unit of a control node, which contains at least the following steps. A connected-device display region, a multi-screen layout region and a whiteboard display region are provided on an interactive display device. After detecting that an icon of the connected-device display region is dragged and dropped into a block of the multi-screen layout region, a network address associated with the icon is obtained. A TCP port number associated with the block of the connected-device display region, which contains the dropped icon, is obtained. A ready notification containing the TCP port number is transmitted to the network address. Screen data with the TCP port number is received. The screen data is displayed on a block of the whiteboard display region, which is associated with the block of the connected-device display region.

Abstract: The invention introduces a screencasting method, executed by a processing unit of a screencasting source, which contains at least the following steps. After the screencasting source connects to a screencasting receiver, a first screen image displayed on a display unit of the screencasting source is captured. Then, the first screen image and display area information of a first input component of the first screen image is transmitted to the screencasting receiver, thereby enabling the screencasting receiver to render a second screen image according to the first screen image and the display area information, where the second screen image contains at least a second input component including at least an input string.

Abstract: A method and system of sharing data and a server apparatus thereof are provided. The method includes following steps. When a first operation command is detected, first operation information is transmitted from a server apparatus to a first client apparatus. The first operation information is received by the first client apparatus to execute a first operation, and data information related to a data object is generated and transmitted to the server apparatus. The data information is received and transmitted to other client apparatuses by the server apparatus, so as to enable a second operation related to the data object. When a second operation command is detected, second operation information is transmitted to a second client apparatus by the server apparatus. In response to the second operation information, the second client apparatus is connected to the first client apparatus to obtain the data object according to the data information.

Abstract: An electronic system, an electronic device and a method for setting an extending screen thereof, and a projector apparatus are provided. The method for setting the extending screen includes following steps. Whether at least one projector apparatus is connected to an electronic device is determined. Moreover, when the projector apparatus is connected to the electronic device, the projector apparatus is set as at least one extending screen extended out from the edge of the screen of the electronic device. The corresponding relationship between the extending screen and the screen is related to the location relationship between the connected projector apparatus and the screen of the electronic device.

Abstract: A method for sharing a control right and a host device are provided. The method of sharing the control right is adapted to the host device of an interactive whiteboard system. The method includes the following steps. A scanning process is executed to receive an online notification signal broadcast by a first client device, wherein the online notification signal includes a weight value and device information of the first client device; it is determined whether the control right of the interactive whiteboard system is released or not, and when the control right of the interactive whiteboard system is not released, it is determined whether to share the control right of the interactive whiteboard system to the first client device according to the weight value. When the control right is determined to be shared to the first client device, a control right notification signal is transmitted to the first client device.

Abstract: A method of connecting device adapted to an interactive whiteboard system and a host device thereof are provided. The host device has an interactive display device. The method includes the following steps. A scanning process is executed to receive a notification signal which is continuously broadcast by a first client device. A representative icon is obtained from an icon base, and the representative icon is set according to device information of the first client device in the notification signal, such that the representative icon is related to the first client device. The representative icon is displayed on the interactive display device, and then a broadcast termination signal is transmitted back to the first client device after the representative icon is displayed. After receiving the broadcast termination signal, the first client device stops broadcasting the notification signal.

Abstract: A method for judging in a 3D environment includes: receiving a first image and a second image of a displayed 3D image, the first image being captured without the aid of 3D glasses, the second image being captured with the 3D glasses arranged in front of an image capturing unit; processing each of the first and second images so as to obtain a respective one of a processed first image and a processed second image; and determining whether a number of enclosed areas contained in the processed first image is equal to a predetermined value, and whether a number of enclosed areas contained in the processed second image is equal to another predetermined value. The 3D environment is normal when results of determinations are affirmative.

Abstract: An electronic device includes a display unit; a memory unit; and a processing unit electrically connected to the display unit and the memory unit, the processing unit capturing (N+M) frames displayed by the display unit, N and M being positive integers, the N frames having a first resolution, the M frames having a second resolution, the first resolution being larger than the second resolution, the processing unit converting a color space of the (N+M) frames and encoding the (N+M) frames, the processing unit magnifying a size of each of the M frames to be equal to a size of each of the N frames, the processing unit encapsulating and outputting the (N+M) frames.

Abstract: A method of connecting device adapted to an interactive whiteboard system and a host device thereof are provided. The host device has an interactive display device. The method includes the following steps. A scanning process is executed to receive a notification signal which is continuously broadcast by a first client device. A representative icon is obtained from an icon base, and the representative icon is set according to device information of the first client device in the notification signal, such that the representative icon is related to the first client device. The representative icon is displayed on the interactive display device, and then a broadcast termination signal is transmitted back to the first client device after the representative icon is displayed. After receiving the broadcast termination signal, the first client device stops broadcasting the notification signal.

Abstract: A method and system of sharing data and a server apparatus thereof are provided. The method includes following steps. When a first operation command is detected, first operation information is transmitted from a server apparatus to a first client apparatus. The first operation information is received by the first client apparatus to execute a first operation, and data information related to a data object is generated and transmitted to the server apparatus. The data information is received and transmitted to other client apparatuses by the server apparatus, so as to enable a second operation related to the data object. When a second operation command is detected, second operation information is transmitted to a second client apparatus by the server apparatus. In response to the second operation information, the second client apparatus is connected to the first client apparatus to obtain the data object according to the data information.

Abstract: A method for sharing a control right and a host device are provided. The method of sharing the control right is adapted to the host device of an interactive whiteboard system. The method includes the following steps. A scanning process is executed to receive an online notification signal broadcast by a first client device, wherein the online notification signal includes a weight value and device information of the first client device; it is determined whether the control right of the interactive whiteboard system is released or not, and when the control right of the interactive whiteboard system is not released, it is determined whether to share the control right of the interactive whiteboard system to the first client device according to the weight value. When the control right is determined to be shared to the first client device, a control right notification signal is transmitted to the first client device.

Abstract: The invention introduces a method for operating interactive whiteboards, performed by a processing unit of a control node, which contains at least the following steps. A connected-device display region, a multi-screen layout region and a whiteboard display region are provided on an interactive display device. After detecting that an icon of the connected-device display region is dragged and dropped into a block of the multi-screen layout region, a network address associated with the icon is obtained. A TCP port number associated with the block of the connected-device display region, which contains the dropped icon, is obtained. A ready notification containing the TCP port number is transmitted to the network address. Screen data with the TCP port number is received. The screen data is displayed on a block of the whiteboard display region, which is associated with the block of the connected-device display region.

Abstract: An audio and video sharing method and system is provided. The audio and video sharing method includes initializing a plurality of audio capturing modules in response to a plurality of applications, capturing the first audio data from the first application and the second audio data from the second application, generating the first audio and video stream based on the first audio data, and transmitting the first audio and video stream in response to the first audio and video sharing request. Accordingly, the system separately captures the audio stream from the different applications, and after appropriately coding, transmits the corresponding audio stream to the corresponding user, thereby sharing the corresponding audio stream individually in response to the request of each user.

Abstract: An embodiment of the invention introduces a method for sharing applications, executed by a processing unit of a sharing apparatus, which contains at least the following steps. Application-sharing information is sent to a control node, wherein the application-sharing information regarding an application to be shared and a control-filtering policy of the application, thereby enabling the control node to search sharing apparatuses capable of providing services for a requesting apparatus and determine whether to transfer a control signal to the sharing apparatus according to the application-sharing information.

Abstract: The invention introduces a method for sharing applications between apparatuses, which contains at least the following steps. A processing unit of a first electronic apparatus discovers local applications to generate an application list, and sends the application list to a second electronic apparatus in a formatted message, wherein the application list contains at least paths storing the applications. After receiving an application path from the second electronic apparatus, the processing unit launches one corresponding application, generates an application window, and sends screen data containing at least the application window to the second electronic apparatus.

Abstract: The invention introduces a screencasting method, executed by a processing unit of a screencasting source, which contains at least the following steps. After the screencasting source connects to a screencasting receiver, a first screen image displayed on a display unit of the screencasting source is captured. Then, the first screen image and display area information of a first input component of the first screen image is transmitted to the screencasting receiver, thereby enabling the screencasting receiver to render a second screen image according to the first screen image and the display area information, where the second screen image contains at least a second input component including at least an input string.

Abstract: The invention introduces a screen-sharing method, executed by a processing unit of a screen-sharing source, which contains at least the following steps. Application windows being opened on a display unit are obtained. For each application window, screen-sharing receivers, which are connected to the screen-sharing source, are detected and items are appended to a system menu instance of the application window, where each item corresponds to one screen-sharing receiver.

Abstract: A method for judging in a 3D environment includes: receiving a first image and a second image of a displayed 3D image, the first image being captured without the aid of 3D glasses, the second image being captured with the 3D glasses arranged in front of an image capturing unit; processing each of the first and second images so as to obtain a respective one of a processed first image and a processed second image; and determining whether a number of enclosed areas contained in the processed first image is equal to a predetermined value, and whether a number of enclosed areas contained in the processed second image is equal to another predetermined value. The 3D environment is normal when results of determinations are affirmative.