Abstract: A conference system with low standby power consumption includes a transmitter, an image data source, a receiver, and a display device. The transmitter includes a battery for providing power, at least one link port for accessing data, and a processor coupled to the battery and the at least one link port. The image data source is used for transmitting the image data to the transmitter. The receiver is linked to the transmitter for receiving the image data. The display device is linked to the receiver for displaying the image data. When the transmitter and the image data source are electrically coupled, the processor ceases to use the battery of the transmitter and controls the image data source for providing power to the transmitter. When the transmitter and the image data source are separated, the processor uses the battery of the transmitter for driving firmware of the transmitter.

Abstract: A wireless projecting control method includes setting at least one operation restriction, communicating a transmitter with a receiver or a communication device for executing at least one restricted operation by the transmitter or the receiver, and selectively or restrictedly projecting an image signal to a display device by the receiver after the transmitter or the receiver executes the at least one restricted operation. The image signal is generated by the communication device. The transmitter is used for transmitting the image signal to the receiver according to the at least one operation restriction.

Abstract: A method for expanding functions of a conference system includes providing a first circuit board and a second circuit board disposed in the receiver, receiving a first wireless packet transmitted from the first transmitter merely through a second communication module of the second circuit board, controlling the second communication module for performing an unpacking process of the first wireless packet by a second processor of the second circuit board to generate first compressed media data, generating a first command signal by the second processor of the second circuit board for controlling a first processor of the first circuit board to receive the first compressed media data through a data channel, and decompressing the first compressed media data by the first processor for acquiring first media contents of the first transmitter.

Abstract: A data sharing method includes providing a receiver and at least one transmitter, changing a first hardware registration identification code of the at least one transmitter to a second hardware registration identification code of a virtual camera device corresponding to at least one communication software program by the receiver, and using the virtual camera device for converting at least one image data signal transmitted from the at least one transmitter to video stream data supported by the at least one communication software program after the receiver receives the at least one image data signal.

Abstract: A data sharing method includes logging in a first account through a communication interface by a first receiver for establishing a link between the first receiver and a server corresponding to the communication interface, logging in a second account through the communication interface by a second receiver for establishing a link between the second receiver and the server corresponding to the communication interface, and transmitting image data from a first transmitter to the second receiver through the first receiver and the server for sharing the image data. The first receiver is linked to a first display. The second receiver is linked to a second display. The image data is shared with the first display and the second display.

Abstract: An operation method for virtually partitioning a display panel includes establishing a plurality of first links between a plurality of transmitter and a receiver, establishing a second link between the receiver and a central controller, acquiring quantity data of the plurality of transmitter by the central controller, generating an operational interface by virtually partitioning the display panel by the central controller according to the quantity data, and controlling the receiver for operating a transmitter to executing at least one operational function by the central controller through the second link and a first link or directly controlling the transmitter to executing the at least one operational function by the central controller through a third link when a virtual key corresponding to the transmitter displayed on the operational interface generated by the central controller is triggered.

Abstract: A dual display regions control method includes establishing a link between a receiver and a first transmitter and a link between the receiver and a second transmitter, transmitting a first image signal to the first transmitter after the first transmitter is triggered, transmitting the first image signal to the receiver, transmitting a second image signal to the second transmitter after the second transmitter is triggered, transmitting the second image signal to the receiver, selecting the first transmitter from the first transmitter and the second transmitter, displaying the first image signal on a first display region through the receiver after the first transmitter is selected, and displaying identification data of the first transmitter and the second transmitter on a second display region through the receiver.

Abstract: An image sharing and conference participant identification method includes providing a first multimedia adapter device and a second multimedia adapter device, generating a link control signal after the first multimedia adapter device is triggered, transmitting the link control signal from the first multimedia adapter device to the second multimedia adapter device directly or through a server according to a link list, establishing a link between the first multimedia adapter device and the second multimedia adapter device, and transmitting first image data from the first multimedia adapter device to the second multimedia adapter device through the link for integrating the first image data and second image data by the second multimedia adapter device to generate sharing image data.

Abstract: After a data link between a communication device and a transmitter is established, the transmitter is controlled for determining whether the data link between the transmitter and the communication device is to be disabled when the transmitter is prepared to transmit a first signal to the communication device, or the receiver is prepared to transmit a second signal to the communication device through the transmitter. When the data link is disabled, no signal transmitted from the transmitter is received by the communication device. The first signal and the second signal include feedback control signal information or non-control signal information.

Abstract: A method operating an intraoral scanner including a projection device of the intraoral scanner projecting a predetermined pattern, an image capture device of the intraoral scanner capturing K images of the predetermined pattern projected on an object under test, a controller of the intraoral scanner generating (K?1) overall brightness change indications according to (K?1) sets of two consecutive images of the K images, and if the (K?1) overall brightness change indications are all less than a predetermined threshold, the controller turning off the intraoral scanner. K is a positive integer greater than 1.

Abstract: A wireless projecting control method includes setting at least one operation restriction, communicating a transmitter with a receiver or a communication device for executing at least one restricted operation by the transmitter or the receiver, and selectively or restrictedly projecting an image signal to a display device by the receiver after the transmitter or the receiver executes the at least one restricted operation. The image signal is generated by the communication device. The transmitter is used for transmitting the image signal to the receiver according to the at least one operation restriction.

Abstract: A video conference system including a first transmitter device and a receiver device is provided. The first transmitter device transmits a first video data. The receiver device includes a receiver control unit configured to assign a first identification code to the first transmitter device. The receiver control unit combines the first video data and a first identification image corresponding to the first identification code as a first combined video data and the receiver control unit outputs the first combined video data to the display device. Through the present invention, the conference participants can quickly identify which presenter is providing the video signal source corresponding to a particular frame on the split screen, and can raise questions to the right person.

Abstract: A data authorization controlling and matching system includes a receiver, a plurality of display devices, and at least one transmitter. The receiver is used for receiving an image signal. The plurality of display devices are coupled to the receiver for displaying the image signal. The at least one transmitter is coupled to the receiver for outputting the image signal. After a member list saved in the receiver is configured, a data link between the receiver and the at least one transmitter is established. Hardware information of the at least one transmitter is saved in the receiver. The receiver automatically identifies the at least one transmitter according to the hardware information of the at least one transmitter. After the at least one transmitter is identified, the receiver sets authorization information of the at least one transmitter.

Abstract: An operation method for virtually partitioning a display panel includes establishing a plurality of first links between a plurality of transmitter and a receiver, establishing a second link between the receiver and a central controller, acquiring quantity data of the plurality of transmitter by the central controller, generating an operational interface by virtually partitioning the display panel by the central controller according to the quantity data, and controlling the receiver for operating a transmitter to executing at least one operational function by the central controller through the second link and a first link or directly controlling the transmitter to executing the at least one operational function by the central controller through a third link when a virtual key corresponding to the transmitter displayed on the operational interface generated by the central controller is triggered.

Abstract: A dual display regions control method includes establishing a link between a receiver and a first transmitter and a link between the receiver and a second transmitter, transmitting a first image signal to the first transmitter after the first transmitter is triggered, transmitting the first image signal to the receiver, transmitting a second image signal to the second transmitter after the second transmitter is triggered, transmitting the second image signal to the receiver, selecting the first transmitter from the first transmitter and the second transmitter, displaying the first image signal on a first display region through the receiver after the first transmitter is selected, and displaying identification data of the first transmitter and the second transmitter on a second display region through the receiver.

Abstract: A conference data sharing method includes triggering a transmitter coupled to an image signal source, transmitting a triggering signal from the transmitter to a receiver through a first network, generating at least one data signal according to a conference member list after the receiver receives the triggering signal, transmitting the at least one data signal to at least one conference member through a second network, transmitting an image signal from the image signal source to the transmitter after the transmitter is triggered, processing the image signal by the transmitter for transmitting the image signal to the receiver through the first network, and controlling a display device for displaying an image by the receiver according to the image signal.

Abstract: A wireless communications pairing method includes providing a receiver and a first transmitter linked to the receiver, establishing a first link between the first transmitter and a second transmitter, transmitting pairing information from the first transmitter to the second transmitter through the first link, establishing a second link between the second transmitter and the receiver according to the pairing information after the second transmitter receives the pairing information, transmitting an image signal from an image signal source coupled to the second transmitter to the second transmitter after the second transmitter is triggered, processing the image signal by the second transmitter for transmitting the image signal from the second transmitter to the receiver, and controlling a display device for displaying an image by the receiver according to the image signal.

Abstract: A method of operating an intraoral scanner. The intraoral scanner includes an image capturing device and a processor. The method includes the image capturing device sequentially capturing M images along a first dental arch, the processor establishing a first arch model of the first dental arch according to the M images, the image capturing device sequentially capturing N images along a straight-line path from a first anchor to a second anchor on the first dental arch, the processor generating first coordinates of the first anchor and second coordinates of the second anchor according to the N images, and the processor calibrating the first arch model according to the first coordinates and the second coordinates. The first anchor is located at one side of a dental midline of the first dental arch. The second anchor is located at the other side of the dental midline of the first dental arch.

Abstract: A method for identifying video signal source is provided. The method includes the following steps. A first identification code is assigned to a first transmitter device by a receiver control unit of a receiver device. A first video data is transmitted by the first transmitter device. The first video data and a first identification image corresponding to the first identification code are combined as a first combined video data by the receiver control unit. The first combined video data is outputted to a display device by the receiver control unit.

Abstract: A video conference system including a first transmitter device and a receiver device is provided. The first transmitter device transmits a first video data. The receiver device includes a receiver control unit configured to assign a first identification code to the first transmitter device. The receiver control unit combines the first video data and a first identification image corresponding to the first identification code as a first combined video data and the receiver control unit outputs the first combined video data to the display device. Through the present invention, the conference participants can quickly identify which presenter is providing the video signal source corresponding to a particular frame on the split screen, and can raise questions to the right person.