Patent application number | Description | Published |
20100148977 | LOCALIZATION AND DETECTION SYSTEM APPLYING SENSORS AND METHOD THEREOF - In embodiments of the invention, multiple sensors, which are complementary, are used in localization and mapping. Besides, in detecting and tracking dynamic object, the sense results of sensing the dynamic object by the multiple sensors are cross-compared, to detect the location of the dynamic object and to track the dynamic object. | 06-17-2010 |
20100164807 | SYSTEM AND METHOD FOR ESTIMATING STATE OF CARRIER - A system and a method for estimating a state of a carrier are provided. The system includes the carrier, an electromagnetic wave sensing device, a motion sensing device, and a controller. The electromagnetic wave sensing device detects an electromagnetic wave emitted by at least one feature object in an environment around the carrier. The motion sensing device detects motion information of the carrier moving in the environment. The controller estimates state information of the carrier in the environment through a probabilistic algorithm according to the electromagnetic wave and motion information detected by aforementioned sensing devices. Thereby, in the present invention, the location and posture of the carrier in the environment can be precisely estimated according to the motion information of the carrier and existing information of the environment around the same. | 07-01-2010 |
20100250020 | SPACE SENSOR APPARATUS, MOBILE CARRIER, AND CONTROL METHOD THEREOF - A space sensor apparatus suitable for a mobile carrier is provided. The space sensor apparatus includes a posture angle calculation module, a position calculation module, and a processing system. The posture angle calculation module calculates the current posture angles of the mobile carrier corresponding to different direction axes in a space according to signals input by one or multiple sensors. The position calculation module calculates the current position of the mobile carrier in the space according to the posture angles and an acceleration parameter and outputs a positioning information to the processing system. The processing system further obtains an environment information through a mechanical wave transceiver. After that, the processing system generates a real-time calculation information for controlling the movement track of the mobile carrier in the space according to the positioning information and the environment information. | 09-30-2010 |
20130054130 | NAVIGATION SYSTEM, METHOD OF POSITION ESTIMATION AND METHOD OF PROVIDING NAVIGATION INFORMATION - A hybrid-computing navigation system worn by a user includes a modified motion sensor group which includes 9-axis or 10-axis motion sensors that are built-in, and a host device configured for providing navigation information, in which the modified motion sensor group is worn on the user so that a moving direction of the user is the same as a heading direction calculated from the modified motion sensor group. The modified motion sensor group provides step counting and absolute orientation in yaw, roll and pitch using a sensor fusion technique. The navigation system further includes at least one wireless sensor at wifi hot spot to perform sensor fusion for obtaining an absolute position of an estimated position of the user. Sensor fusion combining with location map are used to perform location map matching and fingerprinting. A method of position estimation of a user using the navigation system is also disclosed. | 02-28-2013 |
20130162525 | METHOD AND APPARATUS FOR PERFORMING MOTION RECOGNITION USING MOTION SENSOR FUSION, AND ASSOCIATED COMPUTER PROGRAM PRODUCT - A method and apparatus for performing motion recognition using motion sensor fusion and an associated computer program product are provided, where the method is applied to an electronic device. The method includes the steps of: utilizing a plurality of motion sensors of the electronic device to obtain sensor data respectively corresponding to the plurality of motion sensors, the sensor data measured at a device coordinate system of the electronic device, wherein the plurality of motion sensors includes inertial motion sensors; and performing sensor fusion according to the sensor data by converting at least one portion of the sensor data and derivatives of the sensor data into converted data based on a global coordinate system of a user of the electronic device, to perform motion recognition based on the global coordinate system, in order to recognize the user's motion. | 06-27-2013 |
20130176218 | Pointing Device, Operating Method Thereof and Relative Multimedia Interactive System - An operating method of a display device includes detecting resolution of a display module for determining a border of a user interface reference frame, setting a border of a 3D spatial reference frame utilized by a pointing device to correspond to the border detected of the user interface reference frame, moving a cursor of the user interface reference frame displayed on the display module according to a shift of the pointing device, stopping controlling a shift of the cursor according to the shift of the pointing device when the shift of the pointing device exceeds the border of the 3D spatial reference frame, and resuming controlling the shift of the cursor in the user interface reference frame of the display module when the pointing device is back within the border of the 3D spatial reference frame. An advantage of the present invention is when out of the operating range, stopping controlling the cursor to lower the affect of offset, for allowing the pointing device to be applied in different areas/directions without having the cursor displayed on the display device to incorrectly reflect shift of the pointing device. | 07-11-2013 |
20130178226 | Method of Positioning Using Wireless Signals and Inertial Measurement Units, Electronic Device, and Positioning System Using the Same Method - A method of positioning using wireless signals and an inertial measurement unit is provided. The method includes the following steps: providing a wireless signal strength data base, wherein the wireless signal strength database gathers a radio map and a plurality of wireless signal strength information corresponding to a plurality of orientations at all grid positions on the radio map; using the inertial measurement unit to detect a current orientation at a current position where the electronic device is located; detecting a current wireless signal strength information of the electronic device corresponding to the current orientation at the current position; and determining the current position according to the current orientation, the current wireless signal strength information, and the wireless signal strength data base. | 07-11-2013 |
20130184991 | Method of Generating Geometric Heading and Positioning System Using the Same Method - A method of generating a geometric heading during positioning is provided. The method includes the following steps: estimating a current declination information of a current position according to a declination database, wherein the declination database gathers a magnetic map and a plurality of declination information corresponding to a difference between a magnetic north and a geometric north at all grid positions on the magnetic map; generating a predicted heading according to an angular velocity reading of a gyroscope and a magnetic heading reading of a magnetometer; and generating the geometric heading according to the current declination information of the current position and the predicted heading. | 07-18-2013 |
20130234940 | Pointing Device, Operating Method Thereof and Relative Multimedia Interactive System - An operating method of a display device includes controlling a shift of a cursor of a user interface reference frame according to a shift of the pointing device with reference to an initial point in a 3D spatial reference frame; and updating a position of the initial point in the 3D spatial reference frame according to an updating signal. An advantage of the present invention is when the operating range is changed, reference coordinates utilized by the pointing device are appropriately adjusted, so as to lower the affect of offset, allowing the pointing device to be applied in different areas/directions without having the cursor displayed on the display device to incorrectly reflect shift of the pointing device. | 09-12-2013 |
20140337651 | Electronic Apparatus - An electronic apparatus including a plurality of sensors, an application processor, and a micro-processor is provided. The plurality of sensors is configured to generate at least one sensing signal. The application processor is configured to execute an application procedure according to a sensing-merged signal. The micro-processor is coupled between the plurality of sensors and the application processor, and is configured to generate the sensing-merged signal according to the at least one sensing signal. By utilizing the electronic apparatus, not only power can be saved, but also the elasticity for choosing sensor chip vendors can be improved. | 11-13-2014 |