Patent application number | Description | Published |
20130229349 | OPTICAL TOUCH INPUT BY GESTURE DETECTION FROM VARYING IMAGES - Optical imaging is used for touch input to implement device and method for gesture detection for better durableness, high resolution, simplifier structure, higher reliability, less power consumption, and faster response. A touch surface is provided for gesture operation thereon, and under light projecting to the touch surface, images are captured by receiving light from the touch surface. The varying images are monitored to detect if any gesture operates on the touch surface, and if a predefined gesture is detected, a gesture signal is generated. | 09-05-2013 |
20130229387 | OPTICAL TOUCH DEVICE, PASSIVE TOUCH CONTROL SYSTEM, AND INPUT DETECTION METHOD - An optical touch device includes a touch surface having a position mapping relationship with entire or a part of a picture displayed on a monitor, detects the object contacting or suspending over the touch surface and the movement of the optical touch device, and generates an absolute position signal according to the position of the detected object to point to the mapped position of the picture, a relative movement signal according to the detected movement of the optical touch device, and a control signal corresponding to the mapped position according to the absolute position signal and the relative movement signal. | 09-05-2013 |
20130236051 | COMPUTER READABLE MEDIA CAN PERFORM INTERFERENCE IMAGE DETERMINING METHOD AND INTERFERENCE IMAGE DETERMINING APPARATUS - A computer readable media having at least one program code recorded thereon. An interference image determining method can be performed when the program code is read and executed. The interference image determining method comprises: (a) controlling a light source to illuminate an object on a detecting surface to generate an image; (b) controlling a sensor to catch a current frame of the image; (c) utilizing an image characteristic included in the current frame to determine a interference image part of the current frame; and (d) updating a defined interference image according to the determined interference image part. | 09-12-2013 |
20130321826 | MOTION SENSING METHOD FOR DETERMINING WHETHER TO PERFORM MOTION SENSING ACCORDING TO DISTANCE DETECTION RESULT AND RELATED APPARATUS THEREOF - A motion sensing method for an object includes: receiving a distance detection result which is used for indicating distance detection information of the object in a neighborhood of a motion sensing apparatus; and determining whether to perform optical motion sensing upon the object of the neighborhood according to the distance detection result. | 12-05-2013 |
20140049470 | OPTICAL TOUCH CONTROL APPARATUS AND ADJUSTABLE LIGHT GUIDE APPARATUS - An optical touch control apparatus, for detecting displacement between an object and the optical touch control apparatus. The optical touch control apparatus comprises: an object detecting apparatus, for detecting the object to generate an object image, having a first detecting area in a first mode and having a second detecting area in a second mode, wherein the first detecting area is larger than the second detecting area; an image sensor, for capturing at least one frame of the object image; and a control unit, for adjusting an image capturing area of the image sensor, according which one of the first detecting area and the second detecting area the object detecting apparatus utilizes. | 02-20-2014 |
20140132565 | IMAGE SENSING APPARATUS, OPTICAL TOUCH CONTROL APPARATUS AND MOTION TRACKING APPARATUS UTILIZING THE IMAGE SENSING APPARATUS - An image sensing apparatus, comprising: a control unit; and an image sensor, wherein the control unit controls the image sensor to utilize a first image sensing region to sense a first image to output a first image signal in a first mode, wherein the control unit controls the image sensor to utilize a second image sensing region to sense a second image to output a second image signal in a second mode. The first image sensing region is smaller than a total image sensing region of the image sensor, and the second image sensing region is smaller than the first image sensing region. | 05-15-2014 |
20140210722 | OPTICAL MOUSE APPARATUS FOR ADJUSTING EXPOSURE OF SENSED IMAGE OUTPUT AND RELATED METHOD THEREOF - A method used in an optical mouse apparatus includes: generating and emitting a light signal which is emitted to a surface so as to reflect and generate a light reflected signal; generating sensed image(s) according to the light reflected signal wherein the sensed image(s) are used for estimating an offset of the optical mouse apparatus; dynamically adjusting photometric exposure for the sensed image(s) according to a quality parameter, a moving speed, or an output offset number per unit time of the sensed image(s). | 07-31-2014 |
20140210723 | OPTICAL MOUSE APPARATUS AND DATA COMPRESSION METHOD USED IN OPTICAL MOUSE APPARATUS - An optical mouse apparatus includes a light source circuit, a sensing circuit, and a processing circuit. The light source circuit is used for generating and emitting a light signal onto a surface so as to generate a light reflected signal. The sensing circuit is used for estimating an image offset of the optical mouse apparatus. The processing circuit is coupled to the light source circuit and the sensing circuit and used for generating and outputting a control signal to a terminal according to the image offset outputted by the sensing circuit. The sensing circuit is further used for detecting at least one of a moving speed or an offset direction of the image offset of the optical mouse apparatus, so as to dynamically determine whether to compress data of the image offset outputted to the processing circuit, for reducing data amount read by the processing circuit. | 07-31-2014 |
20140240229 | TOUCH CONTROL METHOD AND TOUCH CONTROL APPARATUS - A computer readable recording media comprising at least one program code recorded thereon, a touch control method is performed when the program code is read and executed. The touch control method comprises the following steps: (a) detecting location data for an object relative to a detecting surface to generate at least one displacement data; (b) storing the displacement data to a storage apparatus and outputting the stored displacement data to a target apparatus from the storage apparatus after storing the displacement data for a predetermined time period, when the object touches the detecting surface; and (c) cleaning the stored displacement data when the object leaves the detecting surface. | 08-28-2014 |
20140320409 | OPTICAL FINGER MOUSE EQUIPPED WITH FEEDBACK FUNCTION AND ASSOCIATED CONTROL METHOD - An optical finger mouse includes a housing, a light source, a light guide mechanism, an image sensor, a processor and a feedback module. The housing is arranged for an object to be detected performing a motion control thereon, wherein the object to be detected slides or taps on the housing to perform the motion control. The light source is arranged for generating light. The light guide mechanism is arranged for guiding the light generated by the light source to project on the object to be detected. The image sensor captures reflected light generated from the object to be detected to generate a sensing result. The processor generates detection information according to the sensing result. The feedback module generates feedback according to the detection information. | 10-30-2014 |
20140333540 | OPTICAL NAVIGATION DEVICE WITH DIFFERENT OPTICAL MECHANISMS AND ASSOCIATED METHOD THEREOF - An optical navigation device includes a first optical mechanism, a second optical mechanism, an image sensor, and a controller. The first optical mechanism is arranged for projecting light on a surface to generate a first projection result while the second optical mechanism is arranged for projecting light on the surface to generate a second projection result. The image sensor is arranged for sensing at least one of the first projection result and the second projection result within a sensing range to generate at least one first image sensing result. The controller is coupled to the first optical mechanism, the second optical mechanism and the image sensor, and is arranged for controlling the first optical mechanism and the second optical mechanism according to the first image sensing result. The optical navigation device accordingly performs movement detection. | 11-13-2014 |