Patent application number | Description | Published |
20120139875 | OPTICAL TOUCH MODULE CAPABLE OF INCREASING LIGHT EMITTING ANGLE OF LIGHT EMITTING UNIT - An optical touch module includes a screen and at least one optical positioning device disposed on the screen. The optical positioning device includes a case, at least one light emitting unit, a circuit board, a transparent diffusing part and an image capturing unit. The light emitting unit is disposed on case for emitting invisible light. The circuit board is electrically connected to the light emitting unit for controlling the light emitting unit. The transparent diffusing part is disposed at a light emitting side of the light emitting unit. A bar structure is formed on a light entrance surface of the transparent diffusing part for scattering the invisible light to be distributed over a touch surface of the screen. The image capturing unit is disposed on the case to capture an optical image for a touch object on the touch surface when the touch object is illuminated by the invisible light. | 06-07-2012 |
20130016069 | OPTICAL IMAGING DEVICE AND IMAGING PROCESSING METHOD FOR OPTICAL IMAGING DEVICEAANM Chen; Yu-YenAACI New Taipei CityAACO TWAAGP Chen; Yu-Yen New Taipei City TWAANM Huang; Po-LiangAACI New Taipei CityAACO TWAAGP Huang; Po-Liang New Taipei City TW - An optical imaging device includes a display panel whereon a coordinate detecting area is formed, at least one light source disposed on a corner of the display panel for emitting light to illuminate an object, a first image capturing module disposed on a corner of the display panel for capturing image information of the object, a second image capturing module disposed on another corner of the display panel for capturing image information of the object, and a control module coupled to the first image capturing module and the second image capturing module for determining whether to calculate a coordinate value of the object according to whether the first image capturing module and the second image capturing module capture the image information of the object simultaneously. | 01-17-2013 |
20130050559 | OPTICAL IMAGING DEVICE AND IMAGING PROCESSING METHOD FOR OPTICAL IMAGING DEVICE - An optical imaging device includes a display panel whereon a coordinate detecting area is formed, at least one light source disposed outside the display panel for emitting light to illuminate an object, and a depth sensor installed on a side of the display panel for sensing image data of the object. The image data include a width information corresponding to a distance between the object and the depth sensor in a first direction, and a depth information corresponding to a distance between the object and the depth sensor in a second direction. The optical imaging device further includes a control module coupled to the depth sensor for receiving the image data sensed by the depth sensor and for determining whether to calculate a coordinate value of the object according to the width information and the depth information. | 02-28-2013 |
20130141390 | OPTICAL TOUCH DEVICE AND FRAME THEREOF - An optical touch device includes an indication plane, an image sensing unit, a light emitting unit and a frame. A sensing region is defined on the indication plane. The image sensing unit is disposed at a corner of the indication plane. The light emitting unit is disposed beside the image sensing unit and used for emitting light to the sensing region. The frame is disposed at one side of the indication plane. The frame includes two first inclined surfaces connected to each other and facing the sensing region. | 06-06-2013 |
20130141392 | OPTICAL TOUCH MODULE AND RELATED METHOD OF ROTARY ANGLE ADJUSTMENT - A method of adjusting a rotary angle of an optical touch module is disclosed in the present invention. The method includes measuring a length and a width of a panel; measuring a first moving distance and a second moving distance of a sensor of the optical touch module as moving from the first position to the second position; calculating a first projecting distance and a second projecting distance of the sensor at the first position according to the length and width of the panel; calculating a first angle and a second angle of the sensor at the second position according to the first moving distance, the second moving distance, the first projecting distance and the second projecting distance; and calculating the rotary angle of the sensor that moves from the first position to the second position according to the first angle and the second angle. | 06-06-2013 |
20130278940 | OPTICAL TOUCH CONTROL SYSTEM AND CAPTURED SIGNAL ADJUSTING METHOD THEREOF - An optical touch control system and a captured signal adjusting method thereof are disclosed. The optical touch control system includes a base, an image sensor module, and an image processing device. The base has an edge frame. The image sensor module is disposed on the base and used for capturing the edge frame to obtain a testing image signal. The image processing device includes a processing module, a recognition module, and a record module. The processing module is used for executing a testing procedure. The recognition module is used for scanning the testing image signal. When the processing module executes the testing procedure, the recognition module recognizes a coordinate of an edge frame image from the testing image signal. Then the processing module is used for setting the coordinate of the edge frame image as a correct capture coordinate to record in the record module. | 10-24-2013 |
20130286384 | Testing Device, Detection System, and Automatic Detection Method Thereof - A testing device, a detection system, and an automatic detection method thereof are disclosed. The detection system is used for testing an optical capturing module and includes a controlling module and the testing device. The controlling module is electrically connected to the optical capturing module. The testing device includes a base, a fixing unit, a testing unit and a track. The fixing unit is disposed on the base and used for mounting the optical capturing module. The testing unit is used for the optical capturing module to capture a sensing signal. The track is disposed on the base for the testing unit to move along the track. When the testing unit is moving, the optical capturing module is use for capturing a sensing signal curve according to the continuous movement of the test element and the control module determines whether the sensing signal curve is exceed a predetermined value. | 10-31-2013 |
20130301054 | DIAGNOSTIC SYSTEM FOR OPTICAL TOUCH CONTROL MODULE AND AUTOMATIC DIAGNOSTIC METHOD THEREOF - A diagnostic system for an optical touch control module and an automatic diagnostic method thereof are disclosed. The diagnostic system is used for testing an optical capturing module of the optical touch control module. The diagnostic system includes a controlling module, a first test element, a second test element, and a rotary fixture. The first and the second test element are disposed on a touch surface for allowing the optical capturing module to capture a first and a second test signal. The rotary fixture is used for contacting to the optical capturing module, wherein the controlling module determines whether an image signal captured by the optical capturing module has the first and the second test signal. If not, the controlling module controls the rotary fixture to rotate the optical capturing module to adjust a capturing direction. | 11-14-2013 |
20130342767 | TOUCH DISPLAY MODULE AND POSITIONER THEREOF - A positioner is provided for positioning a major optical sensing unit and an auxiliary optical sensing unit on a first screen. The positioner includes a body, and a first mounting hole and a first auxiliary mounting hole are formed on the body, and the first mounting hole and the first auxiliary mounting hole are aligned on a horizontal line, and the first mounting hole has a first pointing direction, the first auxiliary mounting hole has a first auxiliary pointing direction, and the first pointing direction is symmetrical to the first auxiliary pointing direction relative to a vertical line. | 12-26-2013 |
20140008516 | OPTICAL TOUCH DEVICE AND FOLDABLE FRAME ASSEMBLY THEREOF - A foldable frame assembly is adapted for an optical touch device. The foldable frame assembly includes a first frame, a second frame and a third frame. The second frame is pivotally connected to a first end of the first frame and the third frame is pivotally connected to a second end of the first frame, wherein the first end is opposite to the second end. The second frame and the third frame can rotate with respect to the first frame so as to be folded or expanded with respect to the first frame. | 01-09-2014 |
20140132566 | OPTICAL TOUCH SYSTEMS AND METHODS FOR DETERMINING POSITIONS OF OBJECTS USING THE SAME - Methods for determining positions of objects for use in an optical touch system are provided. The optical touch system at least includes a depth image sensor and a touch plane, the depth image sensor having a sensing area covering the touch plane. First, when an object is detected by the depth image sensor, image information is obtained by using the depth image sensor, wherein the image information includes angle information and depth information related to the depth image sensor for the object. Thereafter, it is determined whether a position of the object is located at the inside or the outside of the touch plane according to the angle information and the depth information. | 05-15-2014 |
20140267172 | TOUCH CONTROL APPARATUS AND ASSOCIATED SELECTION METHOD - A touch control apparatus includes a first light source, a first sensor, a second light source, a second sensor and a controller. An associated selection method includes following steps. The first and the second light sources are driven to respectively generate a first and a second plane lights. Both the first and the second plane light are reflected by at least two touch points. A left reflected light distribution is sensed and transformed into multiple left depth parameters by the first sensor, and a right reflected light distribution is sensed and transformed into multiple right depth parameters by the second sensor. Correspondingly, positions of the at least two touch points are selected from the candidate touch points according to the left and right depth parameters. | 09-18-2014 |
20140368448 | MULTI-TOUCH SYSTEM AND METHOD FOR PROCESSING MULTI-TOUCH SIGNAL - A multi-touch system is provided. In the multi-touch system, there is a plurality of touch sensing sub-systems. The touch sensing sub-systems are arranged in a touch sensing row in sequence and the touch sensing row has a pair of longitudinal sides opposite to each other and a pair of end sides opposite to each other. A light reflective frame is configured on one of the longitudinal sides and both of the end sides. Each of the touch sensing sub-systems comprises at least two sensors arranged at two corners of the corresponding touch sensing sub-system at one longitudinal side opposite to the other longitudinal side having the light reflective frame arranged thereon. A sensing range of both of the sensor covers the corresponding touch sensing sub-system. | 12-18-2014 |
20150035788 | TOUCH MODULE AND TOUCH POSITIONING 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. | 02-05-2015 |
20150042618 | OPTICAL TOUCH SYSTEM AND TOUCH DISPLAY SYSTEM - An optical touch system includes two optical sensing modules and a processing module. The optical sensing module includes a mounting base and a light sensing device. The mounting base has an alignment structure and is disposed at a corner of a touch area by aligning the alignment structure with the profile of the corner. The light sensing device is disposed on the mounting base toward the touch area. The processing module receives signals from the two optical sensing modules to generate coordinates relative to a touch performed on the touch area. A touch display system using the optical touch system further includes a displaying device. The processing module of the touch display system also controls the displaying device to display an image on a screen according to the coordinates; therein, the screen thereon defines the touch area. | 02-12-2015 |
20150048155 | TOUCH POSITIONING METHOD UTILIZING OPTICAL IDENTIFICATION (OID) TECHNOLOGY, OID POSITIONING SYSTEM AND OID READER - A touch positioning method is adapted for use on a touch surface of optical identification (OID) technology. The touch surface has thereon multiple positioning marks which define multiple touch areas, and multiple identification patterns, each of which is disposed within a respective touch area and is indicative of a location of the respective touch area. The touch positioning method includes steps of capturing an image of at least one of the touch areas of the touch surface, determining, from among said at least one of the touch areas, a located touch area in which a center point of the image is located, and analyzing the identification pattern which is disposed within the located touch area, so as to obtain the location of the located touch area. | 02-19-2015 |
20150070321 | OPTICAL COORDINATE INPUT DEVICE - 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. | 03-12-2015 |