Wistron Corporation

Wistron Coporation

Shih-Wen Chen

Yu-Yen Chen

Po-Liang Huang

Ching-An Cho

Shang-Chin Su

Shou-Te Wei

You-Xin Liu

Chun-Chao Chang

Chun-Chieh Li

Ya-Ping Lin

A testing method of a touch device and a system thereof are provided. The testing method includes following steps. A test sensing information generated by the touch device is received, and the test sensing information is physical characteristic information provided by sensors of the touch device. A test gesture signal and a test keypad signal generated by the touch device are received, the test gesture signal includes gesture coordinates provided by touch device, and the test keypad signal includes a keypad key triggering signal generated by the touch device. According to a preset table, in order to generate a test result, whether the test sensing information, the test gesture signal, and the test keypad signal match data of the preset table or not is determined, and whether the touch device works properly is determined according to the test result.

Testing method of touch device and system thereof

An optical touch system is provided. A reflector is disposed beside a base plane. At least one light source is disposed beside the base plane and provides a detecting light, wherein the detecting light is transmitted to the reflector. At least one optical detecting sensor is disposed beside the base plane. A processor is coupled to the optical detecting sensor, wherein when a first object and a second object approach or touch the base plane, the processor determines which one of the intensity of a first portion of a signal corresponding to the first object OBand the intensity of a second portion of the signal corresponding to the second object OBfrom the optical detecting sensor is larger. Additionally, a method of touch detection and a computer program product are also provided.

Optical touch system, method of touch detection, and computer program product

An embodiment of the disclosure provides an operation method for an optical touch device. The optical touch device includes a panel, a left-side sensor and a right-side sensor. The operation method includes the steps of: sensing a sensing waveform on the panel; determining the number of peaks of the sensing waveform to control the optical touch device to be switched to a gesture mode or a touch mode; estimating a first variance according to a first sensing waveform sensed by the left-side sensor and a second variance according to a second sensing waveform sensed by the right-side sensor when the optical touch device is operating in the gesture mode; and determining the gesture made by the user according to the first variance and the second variance.

Optical touch devices and operation method thereof

A touch module includes a touch device, a stylus, and a processing unit. The stylus includes a body, a motor, an angle encoder, and a distance sensor. The angle encoder and the distance sensor are disposed on a rotating shaft of the motor. The distance sensor detects relative distances between itself and first, second, third, and fourth sides of a front frame of the touch device respectively. The processing unit is disposed in the body or the touch device for controlling the rotating shaft to rotate when a mark of the body points to the first side, calculating rotating angles of the rotating shaft and determining whether the rotating shaft makes one rotation according to encoded data of the angle encoder, and calculating four local minimum distances according to relationship of the rotating angles and the relative distances for positioning the stylus on a touch surface of the touch device.

Touch module and touch positioning method thereof

A method of determining a touch gesture is utilized for a touch control system. The method includes detecting at least one first touch point on a touch surface corresponding to the touch gesture at a first time point to generate a first detecting result; detecting at least one second touch point on the touch surface corresponding to the touch gesture at a second time point to generate a second detecting result; obtaining a moving vector and a distributing variation corresponding to the touch gesture according to a relationship of the first detecting result and the second detecting result; and determining the touch gesture on the touch surface according to the moving vector and the distributing variation.

Method of determining touch gesture and touch control system

An optical touch device utilizes two images sensed by two image sensing units, which are diagonal to each other, to determine whether a number of touch points located at a central touch area is equal to 1. When the number of touch points are larger than 1, the optical touch device further utilizes another two images sensed by another two image sensing units, which are also diagonal to each other, to assist in determining the number of touch points located at the central touch area, so as to improve the accuracy of determination.

Optical touch device and method for detecting touch point

An optical touch device utilizes a weighting to integrate two coordinates of a touch point sensed by two sets of image sensing units, so as to calculate an output coordinate of the touch point performed on a central touch area. Accordingly, the invention can effectively prevent a touch trajectory from shifting on the central touch area, such that the touch trajectory will be much smoother on the central touch area.

Optical touch device and method for calculating coordinate of touch point

An optical coordinate input device is disclosed. The optical coordinate input device includes a frame, a first touch detection area, a second touch detection area, a first detection module, a second detection module, and a processing module. The second touch detection area overlap the first touch detection area. The first detection module is disposed on the frame and adjacent to the second touch detection area for detecting the first touch detection area to generate a first touch coordinate signal. The second detection module is disposed on the frame and adjacent to the first touch detection area for detecting the second touch detection area to generate a second touch coordinate signal, wherein the first and second detection module are disposed on different surface of the frame. The processing is used for executing a coordinate calculation procedure base on the first and the second touch coordinate signal.

Optical coordinate input device

An optical touch system and a touch point calculation method thereof are provided. The optical touch system includes a first lens, a second lens and a screen. The first and second lenses are disposed on the same side of the screen and face to the other side of the screen. In the method, images of a touch object above the screen are captured and used to calculate a first and a second touch signal of the touch object touching the screen before and after a preset time. Then, it is determined whether a width difference of the first and second touch signals exceeds a predetermined threshold. If yes, a third touch signal corresponding to the first touch signal relative to the second touch signal is calculated. Finally, positions of the first touch signal and the third touch signal are taken as locations of two touch points on the screen.

Optical touch system and touch point calculation method thereof

An optical touch system and a touch object separating method thereof are provided. First, touch object images in a first and a second captured image of a first and a second lens are recognized. When the first captured image includes two touch object images and the second captured image includes a single touch object image, a first distance between a leftmost end and a rightmost end of the two touch object images in the first captured image, a second distance between centers of the two touch object images, and a third distance between a leftmost end and a rightmost end of the single touch object image in the second captured image are calculated. A fourth distance corresponds to the third distance is calculated according to a ratio of the first distance to the second distance and used to separate the single touch object images into two touch object images.

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Taipei, Taiwan

Shih-Wen Chen