Abstract: An optical sensor system for determining trajectory of a wheel includes: a wheel mounted in a wheel arch having an outer surface covered with evenly-spaced wheel treads; an optical sensor mounted in the wheel arch but not touching the wheel, for performing a plurality of counts corresponding to respectively capturing a plurality of images of the wheel according to the wheel treads, and comparing the captured images with a reference image to determine a 2D displacement. The optical sensor further performs a calculation to convert the measured 2D displacement of the wheel from its original position into a distance the wheel travels along a path in order to determine the wheel trajectory.

Abstract: An optical sensor system mounted in a wheel arch of a car for determining trajectory of the car includes: a first optical sensor mounted in the wheel arch above a wheel and located behind a first clear casing that does not touch the wheel; and a second optical sensor mounted in the wheel arch on one side of the wheel and located behind a second clear casing that does not touch the wheel. The first optical sensor and second optical sensor perform a plurality of counts corresponding to respectively capturing a plurality of images of the wheel. The captured images are compared with a reference image to determine a 2D displacement of the wheel from its original position. The trajectory of the car is determined by calculating a turning degree of the wheel according to a trigonometric manipulation of the measured 2D displacement.

Abstract: An optical sensor system mounted in a wheel arch of a car for determining trajectory of the car includes: a first optical sensor mounted in the wheel arch above a wheel and located behind a first clear casing that does not touch the wheel; and a second optical sensor mounted in the wheel arch on one side of the wheel and located behind a second clear casing that does not touch the wheel. The first optical sensor and second optical sensor perform a plurality of counts corresponding to respectively capturing a plurality of images of the wheel. The captured images are compared with a reference image to determine a 2D displacement of the wheel from its original position. The trajectory of the car is determined by calculating a turning degree of the wheel according to a trigonometric manipulation of the measured 2D displacement.

Abstract: An optical sensor system mounted in a wheel arch of a car for determining trajectory of the car includes: a first optical sensor mounted in the wheel arch above a wheel and located behind a first clear casing that does not touch the wheel; and a second optical sensor mounted in the wheel arch on one side of the wheel and located behind a second clear casing that does not touch the wheel. The first optical sensor and second optical sensor perform a plurality of counts corresponding to respectively capturing a plurality of images of the wheel. The captured images are compared with a reference image to determine a 2D displacement of the wheel from its original position. The trajectory of the car is determined by calculating a turning degree of the wheel according to a trigonometric manipulation of the measured 2D displacement.

Abstract: An optical detecting device with a tracking function includes an image acquiring module and a processor. The image acquiring module is grouped into a first cluster and a second cluster of pixels. The first cluster and the second cluster are arranged adjacent to each other, and used to respectively acquire a first imaging result and a second imaging result both containing an indicating mark. The processor is electrically connected to the image acquiring module and adapted to track a proceeding direction of the indicating mark by computing difference between the first imaging result and the second imaging result. The optical detecting device further includes a memory module electrically connected to the processor, and the processor analyzes the computed difference via a lookup table stored inside the memory module to determine the proceeding direction.

Abstract: An optical detecting device with a tracking function includes an image acquiring module and a processor. The image acquiring module is grouped into a first cluster and a second cluster of pixels. The first cluster and the second cluster are arranged adjacent to each other, and used to respectively acquire a first imaging result and a second imaging result both containing an indicating mark. The processor is electrically connected to the image acquiring module and adapted to track a proceeding direction of the indicating mark by computing difference between the first imaging result and the second imaging result. The optical detecting device further includes a memory module electrically connected to the processor, and the processor analyzes the computed difference via a lookup table stored inside the memory module to determine the proceeding direction.

Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.

Abstract: An optical sensor system mounted in a wheel arch of a car for determining trajectory of the car includes: a first optical sensor mounted in the wheel arch above a wheel and located behind a first clear casing that does not touch the wheel; and a second optical sensor mounted in the wheel arch on one side of the wheel and located behind a second clear casing that does not touch the wheel. The first optical sensor and second optical sensor perform a plurality of counts corresponding to respectively capturing a plurality of images of the wheel. The captured images are compared with a reference image to determine a 2D displacement of the wheel from its original position. The trajectory of the car is determined by calculating a turning degree of the wheel according to a trigonometric manipulation of the measured 2D displacement.

Abstract: An optical sensor system for determining trajectory of a car, the optical sensor system being mounted in a wheel arch of the car, includes: a plurality of optical sensors mounted in the wheel arch above a wheel, the optical sensors being located behind a plurality of clear casings that do not touch the wheel, for performing a plurality of counts corresponding to respectively capturing a plurality of images of the wheel according to an outer surface of the wheel evenly covered with wheel treads. The captured images are compared with a reference image to determine a 2D displacement of the wheel from its original position. This measured 2D displacement is converted into a distance the wheel travels along a path, and the wheel trajectory is determined by calculating a turning degree of the wheel according to a trigonometric manipulation of the captured 2D displacement.

Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.

Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.

Abstract: An optical sensor system for determining trajectory of a car, the optical sensor system being mounted in a wheel arch of the car, includes: a plurality of optical sensors mounted in the wheel arch above a wheel, the optical sensors being located behind a plurality of clear casings that do not touch the wheel, for performing a plurality of counts corresponding to respectively capturing a plurality of images of the wheel according to an outer surface of the wheel evenly covered with wheel treads. The captured images are compared with a reference image to determine a 2D displacement of the wheel from its original position. This measured 2D displacement is converted into a distance the wheel travels along a path, and the wheel trajectory is determined by calculating a turning degree of the wheel according to a trigonometric manipulation of the captured 2D displacement.

Abstract: A method for reporting motion information from an electronic device to a remote host device includes: using an optical sensor for sensing the motion information of the electronic device, the optical sensor being configured within the electronic device; and reporting a motion result of the electronic device to the remote host device based on the optical sensor when the electronic device has moved a predetermined distance each time.

Abstract: An optical sensor system for determining trajectory of a wheel includes: a wheel mounted in a wheel arch having an outer surface covered with evenly-spaced wheel treads; a plurality of optical sensors mounted in the wheel arch but not touching the wheel, for performing a plurality of counts corresponding to respectively capturing a plurality of images of the wheel according to the wheel treads; and a plurality of clear casings respectively mounted in the wheel arch between the wheel and the plurality of optical sensors, but not touching the wheel. The captured images are compared with a reference image to determine a 2D displacement and a calculation is further performed to convert the measured 2D displacement of the wheel from its original position into a distance the wheel travels along a path in order to determine the wheel trajectory.

Abstract: A method for reporting motion information from an electronic device to a remote host device includes: using an optical sensor for sensing the motion information of the electronic device, the optical sensor being configured within the electronic device; and reporting a motion result of the electronic device to the remote host device based on the optical sensor when the electronic device has moved a predetermined distance each time.

Abstract: An optical sensor system for determining trajectory of a wheel includes: a wheel mounted in a wheel arch having an outer surface covered with evenly-spaced wheel treads; an optical sensor mounted in the wheel arch but not touching the wheel, for performing a plurality of counts corresponding to respectively capturing a plurality of images of the wheel according to the wheel treads, and comparing the captured images with a reference image to determine a 2D displacement. The optical sensor further performs a calculation to convert the measured 2D displacement of the wheel from its original position into a distance the wheel travels along a path in order to determine the wheel trajectory.

Abstract: The present disclosure is related to an optical encoder which is configured to provide precise coding reference data by feature recognition technology. To apply the present disclosure, it is not necessary to provide particular dense patterns on a working surface. The precise coding reference data can be generated by detecting surface features of the working surface.

Abstract: Embodiments of method and systems are disclosed. An embodiment of a method for optical navigation involves generating light at a light source, directing the light to a navigation surface, detecting light reflected from the navigation surface toward a sensor array, and generating movement information, which is indicative of movement of the navigation surface relative to the sensor array, in response to the detected light. Generating the movement information involves determining the speed of the movement, comparing the speed of the movement to a movement threshold, selecting a processing algorithm from a plurality of processing algorithms in response to the comparison, and processing the movement information according to the selected processing algorithm. In an embodiment, the processing algorithms include an adaptive navigation algorithm and a sensor resolution adjustment algorithm.

Abstract: A user device is disclosed which includes a touch input and a keypad input. The user device is configured to operate in a gesture capture mode as well as a navigation mode. In the navigation mode, the user interfaces with the touch input to move a cursor or similar selection tool within the user output. In the gesture capture mode, the user interfaces with the touch input to provide gesture data that is translated into key code output having a similar or identical format to outputs of the keypad.

Abstract: Embodiments of method and systems are disclosed. An embodiment of a method for optical navigation involves generating light at a light source, directing the light to a navigation surface, detecting light reflected from the navigation surface toward a sensor array, and generating movement information, which is indicative of movement of the navigation surface relative to the sensor array, in response to the detected light. Generating the movement information involves determining the speed of the movement, comparing the speed of the movement to a movement threshold, selecting a processing algorithm from a plurality of processing algorithms in response to the comparison, and processing the movement information according to the selected processing algorithm. In an embodiment, the processing algorithms include an adaptive navigation algorithm and a sensor resolution adjustment algorithm.