Abstract: An interactive projection system and a projection method thereof are provided. The interactive projection system includes a projection region, a projection device, a touch device and a host. The touch device is movably disposed on the projection region. The projection device projects a corresponding input interface on a touch sensing surface of the touch device according to a position of the touch device, so as to improve usage convenience of the projection system.

Abstract: A touch display system and a correction method thereof are provided. A correction image is displayed on a touch display surface of the touch display system, where the touch display surface has an electrode circuit layer and an alignment arrangement disposed thereon, the alignment arrangement has a plurality of mark patterns used for forming alignment regions, the electrode circuit layer has electrode sensing regions, and each of the alignment regions and each of the electrode sensing regions have a predetermined proportion relationship there between. A position corresponding relationship between the correction image and each of the alignment regions on the touch display surface is corrected according to the capturing image including the correction image and the mark patterns. The touch display system and the correction method thereof may effectively save a time required for correcting touch points and improve correction accuracy of the touch points.

Abstract: An electronic whiteboard and a touch sensing signal transferring method thereof are provided. The electronic whiteboard includes a touch area. A first signal transmission port and a second signal transmission port are disposed on the electronic whiteboard, and a touch sensing signal detected from the touch area is transmitted to the signal transmission port coupled to a signal receiving apparatus.

Abstract: A projection screen includes a plurality of projection plates and at least one fixing component. Each of the projection plates has a projection surface and at least one connection side. Through the connection sides, the projection surfaces of the projection plates lean against each other to be coplanar. The fixing component includes two fixing sections connected with each other, wherein the two connection sides leant against each other are clipped at the two fixing sections, respectively.

Abstract: A touch projection screen including a substrate, touch layers, and a reflective projection film is provided. The touch layers and the reflective projection film are sequentially disposed on the substrate, and the touch layers are located between the substrate and the reflective projection film. Each of the touch layers comprises a base layer and an electrode pattern disposed on the base layer. Each electrode pattern includes a plurality of electrode line sets. Each electrode line set includes a plurality of electrode lines and a plurality of electrode segments. The electrode lines are arranged to be parallel to each other. An included angle between each of the electrode segments and one of the electrode lines is an acute angle. Two ends of each electrode segment are connected to the corresponding electrode lines. In addition, a touch projection system including the touch projection screen and a projection device is provided.

Abstract: A gesture interactive operation method includes: receiving image information, about a hand part and provided by an image sensor, when the hand part is located within a sensing range of the image sensor; defining, through an image processor, a space relationship among sequentially-adjacent first, second and third fingers of the hand part in the image information; and analyzing the image information to generate first or second initiation signal and initiating to execute first or second operating mode on the display screen, respectively. The first initiation signal corresponds to the image information indicating that the second and third fingers are physically contacted with each other and the second finger is not physically contacted with the first finger. The second initiation signal corresponds to the image information indicating that the first and second fingers are physically contacted with each other and the second finger is not physically contacted with the third finger.

Abstract: A touch input accessory for being mounted onto a writing device includes a sleeve portion for being inserted therein a portion of the penholder at the end having the writing tip; a conductive touch head, made of a conductive material, connected to the sleeve portion, and including an opening so that when the sleeve portion is sleeved onto the penholder, the writing tip is enveloped by the conductive touch head, and the nib of the writing tip is protruded from the opening; and a contact conductive portion disposed on the sleeve portion and electrically connected to the conductive touch head, so that when a user holds the writing device and contacts the contact conductive portion to form an entity handwriting on the writing surface, the conductive touch head simultaneously contacts the writing surface to form a corresponding electronic handwriting.

Abstract: An interactive projection system and a projection method thereof are provided. The interactive projection system includes a projection region, a projection device, a touch device and a host. The touch device is movably disposed on the projection region. The projection device projects a corresponding input interface on a touch sensing surface of the touch device according to a position of the touch device, so as to improve usage convenience of the projection system.

Abstract: A touch device includes a flexible capacitive touch film and a flexible composite layer. The flexible composite layer is disposed at the flexible capacitive touch film. A material of the flexible composite layer includes one of a magnetizable material and a magnetic material. The flexible composite layer is adapted to attract an object via a magnetic attraction force generated between the flexible composite layer and the object so that the object is capable of being attached on the flexible capacitive touch film.

Abstract: A touch projection screen includes a substrate, a first touch layer, a second touch layer, a reflective projection film and a circuit board. The substrate has a first surface and a second surface. The first touch layer is disposed on the first surface and extends around an edge of the substrate to cover a part of the second surface of the substrate. The second touch layer is disposed on the first touch layer and extends around an edge of the substrate to cover a part of the second surface of the substrate. The reflective projection film is disposed on the second touch layer. The circuit board is disposed on the second surface of the substrate and electrically connects the first and second touch layers. A touch projection system includes the touch projection screen and a projection device. The projection device projects an image beam onto the touch projection screen.

Abstract: A touch projection screen including a first substrate, a plurality of first touch layers, a plurality of second touch layers, and a reflective projection film is provided. The first touch layers are disposed on the first substrate and at least two of the first touch layers are arranged adjacent to each other. Each of the first touch layers includes a first base layer and a first patterned electrode disposed on the first base layer. The second touch layers are disposed on the first touch layers and at least two of the second touch layers are arranged adjacent to each other. Each of the second touch layers includes a second base layer and a second patterned electrode disposed on the second base layer. The reflective projection film is disposed on the second touch layers. A manufacturing method of the touch projection screen is also provided.

Abstract: An interactive display system includes a video disposition circuit, a display module, an event detection module, an event processing circuit, and a position determination circuit. The video disposition circuit receives different video frames of video source apparatuses, disposes the video frames in a display frame, and outputs frame disposition information. The display module receives and displays the display frame. The event detection module senses an interactive event in the display frame and generates a detection signal. The event processing circuit generates interactive position information according to the detection signal. The position determination circuit selects a corresponding video source apparatus from the video source apparatuses according to the interactive position information and the frame disposition information, and sends event coordinate data corresponding to the interactive position information to the corresponding video source apparatus.

Abstract: A touch apparatus and a touch sensing method thereof are provided. Touch information generated according to received scanning beams is returned by a touch tool, and coordinates of the touch tool on a touch area is calculated according to the returned touch information.

Abstract: An optical touch apparatus and a touch method thereof are provided. A plurality of light sensing units are disposed between a first scanning light source and a second scanning light source, wherein the light sensing units, the first scanning light source and the second scanning light source are disposed at a same side of a touch surface. A touch position of an input tool is determined according to an intensity of a scattered light generated by an input tool and sensed by the light sensing units and generated when a first scanning beam and a second scanning beam scan the input tool.