| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 701518000 | Error correction | 17 |
| 20120116677 | ASSISTED POSITIONING SYSTEMS - A position determining unit has an assistance data processing and relaying module (software client) ( | 05-10-2012 |
| 20120166083 | NAVIGATION DEVICE, NAVIGATION METHOD, AND NAVIGATION PROGRAM - A navigation apparatus and method are provided. The navigation apparatus includes an image acquiring part that acquires an image of a road feature from a vehicle camera. The apparatus also includes a correction distance table that stores a correction distance to correct a difference between a position of a vehicle when the feature disappears from an imaging area of the camera and a guidance output reference position that is a position of the vehicle when the feature disappears from a driver's view. Further, a judging part is included and judges, based on the image acquired by the image acquiring part and the correction distance stored in the correction distance table, whether the vehicle has arrived at the guidance output reference position. Lastly, the apparatus includes a guidance part that provides guidance regarding the traffic light at a predetermined position having the guidance output reference position as a reference. | 06-28-2012 |
| 20120232793 | NAVIGATION SYSTEM AND ON-VEHICLE DEVICE - A navigation system is configured in which a driven distance calculating unit of an on-vehicle device calculates a first driven distance in a predetermined section based on vehicle speed calculated using vehicle speed pulses outputted from a vehicle and a vehicle speed calculation coefficient, a driven distance calculating unit of a portable terminal device calculates a second driven distance of the vehicle in the predetermined section based on GPS information provided from global navigation satellites, a learning unit corrects the vehicle speed calculation coefficient based on the result of comparing the first driven distance with the second driven distance, and a vehicle location predicting unit of the portable terminal device predicts a vehicle location based on the vehicle speed calculated using the vehicle speed pulses and the corrected vehicle speed calculation coefficient. | 09-13-2012 |
| 20130253822 | USER INTERACTIVE ACTUAL TIME NETWORKED SURVEY SYSTEM - A method for providing user interactive actual time networked surveying is disclosed. In one embodiment, a network connection is established between a survey instrument and a central computing device. In addition, a user session is established with the central computing device. Survey measurement data obtained with the survey instrument is transmitted to the central computing device. In addition, correction data from a virtual reference station (VRS) is received at the central computing device. The user session is allowed to direct the processing of the received survey measurement data including one or more real time kinematic calculations at the central computing device. The output of the processing of the received survey measurement data is provided to one or more authorized devices having a connection to the central computing device, the output provided in a concrete and tangible format. | 09-26-2013 |
| 20130325334 | Pose Estimation - A solution for estimating the pose of a platform, such as a vehicle, is provided. Data from a plurality of types of sensing devices located on the platform can be used to independently calculate a plurality of preliminary estimates corresponding to the pose. A plurality of estimates corresponding to the pose can be generated using the preliminary estimates and at least one covariance matrix. One or more entries in the covariance matrix are adjusted based on an uncertainty for the corresponding preliminary estimate. The uncertainty can vary based on time, distance, and/or velocity of the platform. | 12-05-2013 |
| 20140067262 | POSITION DETECTION DEVICE, POSITION DETECTION METHOD, AND COMPUTER PROGRAM PRODUCT - According to an embodiment, a position detection device includes a position estimation unit and a position correction unit. The position estimation unit is configured to estimate a position of a moving object based on an absolute position of the moving object and a position change of the moving object obtained from autonomous navigation. The position correction unit is configured to correct, based on presence probability information which is information on each of a plurality of regions and indicates a higher probability as a presence frequency of the moving object is higher, the estimated position of the moving object so that the moving object is present at a position with a high probability. | 03-06-2014 |
| 20140100776 | METHOD FOR DETERMINING THE POSITION OF MOVING OBJECTS - Method for determining the position of moving objects, wherein the object has a sensor or an apparatus for determining odometry data, having the steps of: transmitting the odometry data to a calculation device, estimating the location and position of the object with the aid of the calculation device, creating a diffusion matrix on the basis of the estimated location and position taking into account environmental data, determining a contour line on the basis of the diffusion matrix, determining the distances between the position and the contour line for different orientations, in particular each orientation, and calculating a probability density function on the basis of the distances determined. | 04-10-2014 |
| 20140244167 | METHODS, APPARATUSES AND COMPUTER PROGRAM PRODUCTS FOR PROVIDING A LOCATION CORRECTION CACHE - An apparatus for correcting one or more detected locations may include a processor and memory storing executable computer code causing the apparatus to at least perform operations including determining whether a detected location of a communication device was previously designated as an incorrect location. The computer program code may further cause the apparatus to enable provision of an option to a user of the communication device to select a specified correct location corresponding to the incorrect location in response to determining that the detected location was previously designated as the incorrect location. Corresponding methods and computer program products are also provided. | 08-28-2014 |
| 20140244168 | POSITIONING APPARATUS, INTEGRATED CIRCUIT APPARATUS, ELECTRONIC DEVICE AND PROGRAM - A positioning apparatus | 08-28-2014 |
| 20140288825 | HEADING, VELOCITY, AND POSITION ESTIMATION WITH VEHICLE SENSORS, MOBILE DEVICE, AND GNSS INPUTS - The disclosure generally relates to determining position of a motorized vehicle using wireless techniques. Methods, apparatus and systems are disclosed. A method can include: receiving absolute positioning data; receiving, from a mobile device, at least one of gyroscope data and odometry data; receiving, from a vehicle, at least one of gyroscope data and odometry data; initializing at least a heading to determine a relative path, wherein the relative path is based at least in part on the received data from the mobile device and the vehicle, wherein the received data comprises gyroscope data and odometry data; and shifting the relative path to an estimated path, wherein the estimated path is based at least in part on the absolute positioning data. | 09-25-2014 |
| 20140288826 | Location Watching - Techniques for watching a location of a device with respect to a destination target include obtaining a current location of a device from a localization operation, calculating an interval, and performing a next localization operation after the interval has expired. The interval may be calculated based on a velocity and a distance from the current location to a destination target. The techniques may also include calculating a displacement distance from the current location and adjusting the interval based on the displacement distance to thereby adjust a time for performing the next localization operation. The techniques may include performing state detection to determine a motion state of the device and performing the next localization operation based on the determined motion state. | 09-25-2014 |
| 20150066363 | METHOD AND SYSTEM FOR ESTIMATING AIRCRFT COURSE - A method of estimating a course of an aircraft includes: receiving a time series of location data indicating a plurality of locations along a route take by an aircraft; defining a trajectory function for representing a path of the aircraft; fitting the trajectory function to at least a portion of the time series; defining a position that identifies the location of the aircraft along the route; projecting the defined position onto the trajectory function; and estimating a course of the aircraft as being a tangent of the trajectory function at the projected defined position. | 03-05-2015 |
| 20150293203 | NAVIGATION SYSTEM AND METHOD - A navigation system and associate methods are described that include a plurality of fixed terrestrial based reference devices that calibrate the system by tracking positional error between the fixed terrestrial based reference devices. A navigation system and associated methods are also described that include a laser positioning system. A navigation system and associated methods are described that include an RF positioning system. In one example, the laser positioning system, and the RF positioning system cross check one another to ensure reliability and accuracy of a position measurement. | 10-15-2015 |
| 20160021508 | A METHOD AND SYSTEM OF PROVIDING DATA SERVICE ACCORDING TO A USER'S FUTURE LOCATION - According to one aspect of the present invention there is provided a method for controlling data service for a user of a telecommunication network. The method comprising: retrieving data associated with historical behaviour of the user within the network; predicting, based on said data and on a current user location within the network, a future user location within the network; performing a determination of network capability at the future user location; and modifying, in response to the determination, a configuration of the network and/or a service parameter associated with the user. A network element, system and computer program product are also provided. | 01-21-2016 |
| 20160025496 | Positioning Device, Method for Controlling Same, and Program - This positioning device includes: a first positioning means that measures the position of the positioning device at prescribed time intervals; a second positioning means that measures the position of the positioning device with lower accuracy than the first positioning means and at time intervals that are shorter than those used by the first positioning means; a correction means that corrects the measurement results of the second positioning means on the basis of the position measured by the first positioning means at a prescribed point in time and the position at the prescribed point in time obtained from the measurement results of the second positioning means; and a generation means that, on the basis of the measurement results of the first positioning means and the measurement results of the second positioning means as corrected by the correction means, generates path information indicating the path of movement of the positioning device. | 01-28-2016 |
| 20160146612 | TERMINAL DEVICE - A terminal device includes a communication state obtain unit that obtains a state of wireless communication, a travel locus information generation unit that generates travel locus information, a reference locus information obtain unit that obtains reference locus information, a measurement unit that obtains a position of a movable body along a travel direction based on a matching between the travel locus information and the reference locus information, a mismatch detection unit that detects at least one of (i) mismatch degree between the travel locus information and the reference locus information in the matching, and (ii) a cause of mismatch in the matching, and a filtering unit that filters at least one of the travel locus information and the reference locus information. The measurement unit performs the matching before the filtering, which increases the measurement accuracy of the terminal device. | 05-26-2016 |
| 20160147711 | DEVICE AND METHOD FOR DETERMINING A ROUGH COMPONENT OF A LATITUDE OR LONGITUDE POSITION OF A MOVING CRAFT - A device and a method for determining a rough component of a latitude or longitude position of a moving craft. The position is reconstructed cyclically by combining the rough component with a corresponding fine component. The device determines the sign of a difference between the fine component for an acquisition cycle and the fine component for a preceding acquisition cycle. The device then computes the rough component corresponding to the given acquisition cycle of the fine component, as a function of the sign of the difference and of the sign and of the value of the speed of the craft. The device and the corresponding method make it possible to extrapolate an unrefreshed rough component as a function of the trend of the fine component and of the sign of the speed of the moving craft to reduce error associated with the computation of the latitude or longitude position. | 05-26-2016 |
