129 results about "Local positioning system" patented technology

A conveyor diagnostic system for monitoring loading of a conveyor line assembly including at least one sensor component coupled to the conveyor line assembly. The sensor component is adapted for detecting loading of the conveyor line assembly and is further adapted for generating and transmitting a signal that is correlative of the loading of the conveyor line assembly. The conveyor diagnostic system also includes a ground station adapted to receive and process the signal that is correlative of the loading of the conveyor line assembly. Furthermore, the conveyor diagnostic system includes a local positioning system that is adapted for detecting the location of the sensor component in relation to a reference point. A method of using the conveyor diagnostic system is also disclosed.

This disclosure describes a system and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system. In some embodiments, the method can include detecting WLAN APs in range of the WLAN and satellite enabled device, obtaining satellite measurements from at least two satellites to provide a plurality of possible satellite locations of the device, and providing a weight for each AP based on the distance from the WLAN APs to the possible satellite locations of the device.

The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local area network based positioning system (WLAN-PS) and a satellite-based positioning system (SPS) with at least two satellites measurement.

The present invention relates to a location-based charging / discharging power mediation system of an electric vehicle, and more particularly to a module, an electric vehicle, and an intermediate server for location-based charging / discharging power mediation. The present invention also relates to a user authentication socket or connector used in the power mediation system. A module for location-based power mediation comprises: a location and time identification unit that identifies a location and a time of an electric vehicle from one or more of information from a global navigation satellite system, Local Positioning System (LPS) information, and earth magnetic field information; a power measurement unit that monitors input / output power to / from the electric vehicle in real time; and a wireless communication unit that transmits location and time information of the electric vehicle and information on the input / output power to the outside. An electric vehicle power mediation subscriber charges / discharges a battery of the electric vehicle through a building of a power subscriber by inserting a plug of the electric vehicle into a socket of the building of the power subscriber. A location of the building and the power subscriber are identified by transmitting the location and time information of the electric vehicle.

In one embodiment, a system and method for facilitating intra-casino mobile gaming, the method includes forming an intra-casino mobile gaming zone internal to a casino establishment; pairing a player ID tag with a PGD; determining whether one of the player ID tag or the PGD is within the intra-casino mobile gaming zone using a zone specific local positioning system; and permitting the PGD to provide a wager gaming capability associated with the intra-casino mobile gaming zone while wirelessly interacting with a gaming server if the determining determines that at least one of the player ID tag or the PGD is within the intra-casino mobile gaming zone.

A fire alarm system utilizes a wireless transmitter associated with each of a plurality of smoke detectors to provide the occupant of a building with an early warning through the wireless receiver in the occupant's smart phone. The wireless signal includes encoded information identifying the activated smoke detector, and the smart phone app uses this information to guide the user safely out of the building. Where the building has multiple exits, the smart phone app can use information on the current location of the smart phone, determined by a local location system, together with the smoke detector identification to inform the user of a preferred escape route.

A system and method for providing a set of anatomical subdermal tags configured to form part of a local positioning system (in contrast to an operating room-wide global reference system) used in obscured visualization / localization of anatomical structures, locations, and components, as well as visualization / localization / orientation of implant(s) into referenced anatomical structures.

A local positioning navigation system and method for controlling navigation are provided. The local positioning navigation includes a stationary unit having a pointing device configured to emit a light signal and a roving unit having a detector including a plurality of light detecting elements configured to detect the emitted light signal from the stationary unit. The local positioning system further includes a controller configured to receive navigation information from the roving unit based on the detected emitted light signal and to provide control commands to the stationary unit to move the pointing device to direct the emitted light signal based on the navigation information.

A guard tour system comprising a computer running a computer program that enables a variety of electronic hardware components to function as the guard tour system. It is contemplated that the computer program be multi-user and / or network compatible. The electronic hardware includes one or more touch button readers, or one or more positioning system receivers (such as a global or local positioning system receiver), or both; one or more downloaders for use with the touch button readers and global positioning system receivers; and optionally a plurality of touch memory buttons located along a guard tour. Each touch memory button includes preprogrammed information specific to its particular location. As a guard or night watchman progresses through the guard tour he or she either obtains a global positioning system location reading manually or automatically or reads the information stored within each touch memory button or both, using a hand-held, battery operated reader. The Global Positioning System allows for collection of various guard positioning information.

The invention relates to a system for local positioning of a set of at least one element (25, 26, 27) in a building (28) including at least one more or less congested room, which includes a network of at least three stationary sources (30, 31, 32), transmitting signals at frequencies above 500 MHz, a network of receivers (35), with at least three receivers being arranged in a known manner on each element, and at least one component for processing signals (36) transmitted by the sources and signals received by the receivers arranged on each element, in order to determine the position of each element.

A local positioning system uses at least one node to track a location of a mobile tag. The system measures flight times of signals communicated between the node and the tag to determine values indicative of the range of the tag from the node. If desired, the values may be filtered in an effort to increase the accuracy of the range estimation. As an example, a Kalman filtering algorithm may be used. Multiple antennas are used at both the node and the tag to provide more accurate range estimates and to determine when the tag is entering a dead zone where signals are blocked or attenuated by obstacles.

A system and method of providing aerial navigation. Techniques are described for receiving global positioning system data, receiving local positioning system data such as instrument landing system data, generating a virtual target flight path using the global positioning system data and the local positioning system data, and presenting a virtual target flight path indicator corresponding to the virtual target flight path. In one implementation, the system includes a user interface, a global positioning component, a local positioning component, and a processing system.

A method for configuring a local positioning system comprises orienting a survey antenna coextensively with a primary beacon associated with a work area. A transmitter or transceiver transmits a first transmission signal from the survey antenna. A receiver or transceiver receives the first transmission at one or more secondary beacons associated with the work area. A data processor determines first elapsed times from the transmission time of the first transmission signal to at least the arrival time at respective corresponding secondary beacons. Each of the first elapsed times falls within a filtering time window, or satisfies an edge timing criteria of the coded signal, or both to reduce multi-path error. The first elapsed times are converted into a first position in at least two spatial dimensions for the primary beacon.

Position determining systems and methods are provided. A particular portable device includes a calibration component to communicate with a local positioning system to determine an initial position and orientation of the portable device within a local coordinate system associated with a target structure. The portable device also includes at least one movement sensor to detect movement of the portable device. The portable device further includes a processor to determine a measured position and orientation of the portable device based on the initial position and orientation of the portable device within the local coordinate system and based on the detected movement of the portable device.

A local positioning navigation system and method for controlling navigation are provided. The local positioning navigation includes a stationary unit having a pointing device configured to emit a light signal and a roving unit having a detector including a plurality of light detecting elements configured to detect the emitted light signal from the stationary unit. The local positioning system further includes a controller configured to receive navigation information from the roving unit based on the detected emitted light signal and to provide control commands to the stationary unit to move the pointing device to direct the emitted light signal based on the navigation information.

The invention discloses a computer recognition method of GPS (Global Positioning System) positioning-based transportation mode combined travelling. The method comprises the following steps of: acquiring data information such as travelling point and space tracks, instant speed and longitude and latitude of combination of multiple travelling modes of a traveler by using a GPS mobile positioning technology; carrying out mode recognition on the combination of multiple travelling modes by adopting data mining methods such as a BP neutral network through combination of a GPS technology and a GIS (Geographic Information System) technology, extracting information including geographic locations of a travelling time point, a travelling mode change time point and a transformation point of the traveler, and finally researching and developing one set of complete recognition and acquisition method which is suitable for the travelling of the combination of the multiple transportation modes in large cities in China.

The invention discloses a mobile terminal scenery identifying system based on a GPS (Global Positioning System) and an image search technique and relates to the field of geographical position information and technical field of image searching. The system is a novel scenery identifying system in which a traditional GPS position positioning method and a content-based image search technique are combined together to be used for identifying scenery of a mobile terminal, and the precision in identification is greatly improved. Under the situation that the GPS information is obtained incorrectly or even cannot be obtained, a user can still identify the scenery by using the image search technique in the system; and meanwhile, with the adoption of the system, the application development of the mobile terminal in the tourism industry and the transmission of the history and culture of sceneries are promoted.

This is a method and apparatus for giving an accurate vehicle location and route from one location to a desired destination. This is done by catching signals from a fixed local information source through a receiver system placed in the vehicles. The present invention is called LPS (Local Position System) navigation system because it is based on a local information system instead of getting information from a satellite or city beacon. This system has two main units. The first of these units is the Address Code, this is an emitter or carrier which is placed on roads all over the nation. This unit can provide digitized and standardized road information. The second of these units is the Receiver, which can receive signals on the road and search them in a database. This database is set in the vehicle and tells the accurate location of the vehicle. It then can give precise directions to a location based on user's input. Therefore, a system user will know where he is and exactly how to get where he wants to go. The system user can transmit the received signal to his headquarters or to people with the same equipment.

A method for detecting and determining a location of visible areas of change on a target object is described. The method includes locating, in position and orientation, a local positioning system with respect to the target object, determining an offset between the position and orientation of the local positioning system and a prior position and orientation of a local positioning system previously utilized to collect a set of reference images of the target object, the prior position and orientation in the coordinate system of the target object, repositioning, in position and orientation, the local positioning system with respect to the target object by the determined offset, acquiring a set of images of the target object from the position and orientation of the repositioned local positioning system, comparing the set of images to corresponding images within the set of reference images to detect a difference between the acquired images and the corresponding reference images, and determining a location of the detected difference in the coordinate system of the target object.

A method and a system for controlling camera orientation in training and exhibition systems. The method and system use a control algorithm to drive the orientation of a camera system at a determined reference velocity in order to place the aim-point of the camera system following a target aim-point in a local coordinate system. In some embodiments, the position and velocity of the target aim-point in the local coordinate system are determined based on dynamically filtered position and motion of a target object, where the position and motion of the target object are measured from a local positioning system.

The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local area network based positioning system (WLAN-PS) and a satellite-based positioning system (SPS) with at least two satellites measurement.

This provides methods and systems for the global navigation satellite system (GNSS) combined with the dead-reckoning (DR) technique, which is expected to provide a vehicle positioning solution, but it may contain an unacceptable amount of error due to multiple causes, e.g., atmospheric effects, clock timing, and multipath effect. Particularly, the multipath effect is a major issue in the urban canyons. This invention overcomes these and other issues in the DR solution by a geofencing framework based on road geometry information and multiple supplemental kinematic filters. It guarantees a road-level accuracy and enables certain V2X applications which does not require sub-meter accuracy, e.g., signal phase timing, intersection movement assist, curve speed warning, reduced speed zone warning, and red-light violation warning. Automated vehicle is another use case. This is used for autonomous cars and vehicle safety, shown with various examples / variations.

In a local positioning system, a receiver is adapted for receiving signals from a land-based transmitter. The receiver includes an analog decorrelator for decorrelating the transmitted spread spectrum signals. A down converter connected with an antenna may be spaced away from other portions of the receiver. The down converter down converts received ranging signals and provides them to the remotely spaced receiver portions. A signal line connecting the down converter to the receiver may be operable to transmit any two or more of a reference signal provided to the down converter, the down converted intermediate frequency signals provided to the receiver, and power provided to the down converter. The receiver may be positioned adjacent to or as part of a land-based transmitter. By determining positions of two or more antennas, the location of the associated transmitter is determined.

A system for stand-off inspection comprising local positioning system hardware and a nondestructive evaluation instrument supported by a pan-tilt mechanism. The system further comprises a computer system that is programmed to perform the following operations: (a) directing the local positioning system hardware toward an area of a surface on a target object by control of the pan-tilt mechanism; (b) activating the local positioning system hardware to acquire an image; (c) processing the image to determine whether an anomaly is present in the area; (d) if an anomaly is present, determining coordinates of a position of the anomaly in a coordinate system of the target object; and (e) directing the nondestructive evaluation instrument toward a position corresponding to the coordinates. Optionally, the computer system is further programmed to measure one or more characteristics of the anomaly.

A non-destructive inspection system for a structure is described. The inspection system includes a local positioning system (LPS) configured for determining position and orientation of objects relative to a structure coordinate system, a six degree-of-freedom digitizer operable for at least one of temporary attachment to the structure and placement proximate the structure, a non-destructive sensor array, and a processing device.

The present invention includes a method for a combined use of a local positioning system, a local RTK system and a regional, wide-area, or global differential carrier-phase positioning system (WADGPS) in which disadvantages associated with the local positioning system, the RTK and the WADGPS navigation techniques when used separately are avoided. The method includes using a known position of a user receiver that has been stationary or using an RTK system to initialize the floating ambiguity values in the WADGPS system when the user receiver is moving. Thereafter, the refraction-corrected carrier-phase measurements obtained at the user GPS receiver are adjusted by including the corresponding initial floating ambiguity values and the floating ambiguity values are treated as well known (small variance) in subsequent processes to position the user receiver in the WADGPS system.

The invention provides an environment adaptive received signal strength indicator (RSSI) local positioning system and an environment adaptive RSSI local positioning method. The system and the method implement positioning based on signal energy strength, wherein the signals can be radio-frequency signals or underwater acoustic signals. The method comprises the following positioning steps of: in the positioning process, measuring reference node path loss factors of each corresponding area in real time by using reference nodes, and updating a database of the loss factors according to the set frequency; when the signal of a movable node is received, determining the area of the movable node by using three nodes with strongest signals; calculating the distance from the movable node to the threereference nodes by using the loss factors of the reference nodes of the corresponding area; and calculating the position of the movable node by using a trilateration method. The positioning technology has the advantage of overcoming the defect of low precision of the conventional RSSI positioning technology due to environmental change in a variable environment, for example, a warehouse where goods are frequently delivered.

The invention discloses a method for improving GPS (Global Positioning System) positioning precision on the basis of local positioning information. The method comprises the following steps of: A, obtaining local positioning information; B, obtaining global coordinate information through a GPS unit; C, transforming local coordinates into global coordinates; and D, matching the global coordinates to the corresponding transformed local coordinates to complete the correction of the global coordinates. Compared with the traditional GPS reinforcement system, the invention has the advantages that infrastructures such as a mobile phone base station in a fixed reference point with an accurate position are not needed to be known, and special devices such as a communication network are not needed for sharing data, by means of a mobile phone inertial navigation technology or local positioning information provided by a self-organizing network, through a series of coordinate transformation, the GPS positioning precision is improved, configuration and application are easily realized, and the method can be popularized to wider applications such as indoor positioning.