|
Match
|
Document |
Document Title |
|
|
7613544 |
Mobile robot, and system and method for autonomous navigation of the same
Disclosed herein is a mobile robot, and system and method for autonomous navigation of the same. The mobile robot includes a communications module for transmitting a light source control signal to...
|
|
|
7561969 |
Navtex receiver
Upon receiving a NAVTEX broadcast signal, a NAVTEX receiver reconstructs text data, detects a special character string including numerals followed by “N” or “S” and numerals followed by...
|
|
|
7471952 |
Data terminal device
A position data receiving part receives position data transmitted from an artificial satellite. A wireless unit transmits and receives data with respect to a base station. A detailed map data...
|
|
|
7437242 |
Navigation apparatus
A navigation apparatus mounted on a vehicle is equipped with a first gyro sensor and a second gyro sensor arranged in symmetry with respect to a first axis in a travel direction of the vehicle and...
|
|
|
7359038 |
Passive determination of ground target location
Ground targets can be passively identified on uneven terrain from an observation point elevation above a known reference point, a line-of-sight inclination angle, an azimuth angle and a digital...
|
|
|
7359718 |
Location determination and location tracking in wireless networks
The present invention is directed to systems and methods which monitor a network environment, collect client information available online, and refine location determinations of individual clients...
|
|
|
7221909 |
Method for guiding wireless communication device into communicable range and wireless communication device
A personal digital assistant (PDA) detects its position by a two-axis acceleration sensor provided therein. While the PDA is within a communicable range where the PDA can communicate with the...
|
|
|
7218994 |
Robot
A robot for freely moving about in an environment where there is an obstacle. The robot includes a communication section transmitting by wireless an image taken by a camera to a base station, and...
|
|
|
7142981 |
Laser range finder closed-loop pointing technology of relative navigation, attitude determination, pointing and tracking for spacecraft rendezvous
A closed-loop LRF pointing technology to measure the range of a target satellite from a chaser satellite for rendezvous is provided that includes: LOS angle measurements of the target, a relative...
|
|
|
7123749 |
Height measurement apparatus
Apparatus and methods for enhancing the accuracy of height above ground measurements in which the registration error between successive images taken of the terrain over which an aircraft is flying...
|
|
|
7002510 |
Method and apparatus for air-to-air aircraft ranging
A method and apparatus is disclosed for determining the range between two planes, ownship ( 10 ) and target ( 12 ). Model data ( 66 ) estimating the velocity and position of target ( 12 ) is...
|
|
|
6950731 |
Traffic pattern approach computer
A mechanical computer used in tandem with a GPS to approach, enter and fly the traffic pattern of any uncontrolled airport. Pilots must navigate to a relatively small area or approach point before...
|
|
|
6922635 |
Method and system for determining absolute positions of mobile communications devices using remotely generated positioning information
Absolute positions of global position system (“GPS”) enabled mobile communications devices, which form a wirelessly networked group of GPS mobiles, can be determined at each of the mobiles...
|
|
|
6882930 |
Method and system for providing traffic and related information
The invention provides a system for providing traffic or related information including: a database storing historical traffic data being operable to receive substantially real time traffic data and...
|
|
|
6859691 |
Device and method for enabling a mariner to select storm havens
A microprocessor controlled device and method utilizing an information database concerning harbor attributes and a collection of harbor maps and images, together with algorithms that determine...
|
|
|
6564146 |
Tracking system for providing position information
Processing GPS signals received at moving targets and at a fixed location near instrumentation associated with timing and recording an event allows the determination of instantaneous target...
|
|
|
6516252 |
Method for acquiring satellite
A method for acquiring a satellite using satellite prediction values has a behavior analysis step for analyzing a behavior unique to a satellite orbit, a search range calculation step for...
|
|
|
6327534 |
Unambiguous position determination using two low-earth orbit satellites
A system and method for unambiguously determining the position of a user terminal (for example, a mobile wireless telephone) in a low-Earth orbit satellite communications system. The system...
|
|
|
6205400 |
Vehicle positioning and data integrating method and system thereof
A vehicle positioning and data integrating process and system can substantially solve the problems encountered in avionics system integration, which employs integrated global positioning...
|
|
|
6181995 |
Vehicle state mileage determination system
A system and method for monitoring and recording the number of miles that a vehicle has traveled within each of a set of geographic entities. A vehicle position determination system is installed...
|
|
|
6119067 |
Object detecting system for conveyance, etc.
An object detecting system mounted on a conveyance such as a vehicle having a laser radar as an object detector mounted on the vehicle at a position offset from the vehicle longitudinal center...
|
|
|
5978735 |
Satellite navigation method
A satellite navigation method for a mobile station which is installed, in particular, in a traffic route-guided vehicle. Several reference marks are installed along the traffic route at...
|
|
|
5961570 |
Display unit for vehicle
A car navigation system 11 has a screen change section 19d for changing one screen to a different screen based on a predetermined input signal, a display signal generation section 19c for...
|
|
|
5894343 |
Passive rangefinder
A passive rangefinder for determining the range to an object such as an aircraft, rocket or missile which emits electromagnetic radiation makes use of spectral measurements over a broad band of...
|
|
|
5870179 |
Apparatus and method for estimating range
Range or distance to points is estimated within a scene, while simultaneously imaging the scene. The range to various points within the scene is estimated by imaging at least a first color of light...
|
|
|
5867256 |
Passive range estimation using image size measurements
A range estimation system and method which comprises a data base containing data for identification of certain targets and data for estimating the initial range to each of the targets as a function...
|
|
|
5737731 |
Method for rapid determination of an assigned region associated with a location on the earth
A global communication system must comply with service restrictions when operating across political and other restrictive boundaries. The location of a subscriber unit must be correlated to a...
|
|
|
5661650 |
System for controlling a vehicle relative to a judged shape of a travel road
A vehicle position is determined and four reference coordinate points N 1 , N 2 , N 3 and N 4 are extracted at predetermined distances on a road output from a CD-ROM or an IC card, and an angle...
|
|
|
5640323 |
System and method for operating an autonomous navigation system
A system (400) for positioning and navigating an autonomous vehicle (310) allows the vehicle (310) to travel between locations. Position information (432) is derived from global positioning system...
|
|
|
5640325 |
Sensor array dynamic position and orientation determination system
A system, which uses inertial measurement units, is shown for determining the position and orientation of a towed array of sensors used for target detection. The system uses an onboard master...
|
|
|
5636123 |
Traffic alert and collision avoidance coding system
A system for coding and transmitting traffic alert and collision avoidance data between vehicles (A, B and C) traveling within a given airspace (12). The airspace is divided into a grid of volume...
|
|
|
5631658 |
Method and apparatus for operating geography-altering machinery relative to a work site
A method and apparatus for operating geography-altering machinery such as a track-type tractor, road grader, paver or the like relative to a work site to alter the geography of the site toward a...
|
|
|
5621646 |
Wide area differential GPS reference system and method
A GPS reference system and corresponding method utilizing a network of reference stations and a master station. Each reference station receives GPS signals from GPS satellites it observes and...
|
|
|
5612875 |
System for accurately determining the mileage traveled by a vehicle within a state without human intervention
A system and method for monitoring and recording the mileage a truck travels within a particular state including a GPS receiver, an odometer, and a memory device which contains state boundary...
|
|
|
5610821 |
Optimal and stable route planning system
A system for providing a centrally planned, completely general routing system that assigns traffic routes to maintain optimal traffic system stability. The system includes a plurality of fixed...
|
|
|
5602740 |
Objective position information supplying method in navigation system, and navigation system
An objective position information supplying method in a navigation system for detecting a present position of a self vehicle, includes the steps of: judging whether or not a distance between the...
|
|
|
5602739 |
Vehicle tracking system incorporating traffic signal preemption
An embedded system controller-based vehicle tracking system using vehicle positioning. An embedded system controller controls a traffic intersection using an optical system. The embedded system...
|
|
|
5590044 |
Method and apparatus for finding aircraft position by integrating accelerations less time averages
A method and apparatus for short-range position determination of aircraft, used for preventing errors in radar mapping from position inaccuracies, finds velocity in the x-direction (flight...
|
|
|
5559511 |
Vehicle route guidance apparatus for re-searching for a new route when vehicle goes out of route
A route guidance section compares the current position provided by a current position determination section and the route provided by a route calculation section for detecting an off-route...
|
|
|
5552989 |
Portable digital map reader
The invention relates to an appliance for reading digital geographical maps, in particular topographical or road maps, recorded on magnetic or optical media, the appliance comprising in...
|
|
|
5544087 |
Navigation system
A navigation system for a vehicle comprises a central processing unit for executing a plurality of programs including a navigation program and a transmitting program, and an internal nonvolatile...
|
|
|
5539399 |
Display device for electric vehicle
A display device for an electric vehicle, which display device is capable of displaying a possible running range from a current location of a vehicle with a detected residual battery charge on a...
|
|
|
5523951 |
System and method for automatic ship steering
A real-time ship steering system provides steering of a survey ship along a rescribed thumb line track in accordance with a received point location on the thumb line and a received heading of the...
|
|
|
5521695 |
Range estimation apparatus and method
A range or distance estimating apparatus and method estimates the range to various points within a scene by imaging the scene through an optical mask and a lens onto a CCD, and then digitally...
|
|
|
5521823 |
Learning control vehicle
A vehicle having learning control includes a running condition detecting device for detecting a driving condition of the vehicle, a running characteristic control device for controlling a control...
|
|
|
5515286 |
Method and device for preventing aerodynes from colliding with relief obstacles
The method embodying the invention comprises the periodical drawing up and transmission, on board an aerodyne, of a tracking message comprising a code identifying the aerodyne and navigational...
|
|
|
5515283 |
Method for identifying highway access ramps for route calculation in a vehicle navigation system
A method for identifying highway access ramps in a database medium for use as locations for route calculation. Initially, first road segments which belong to a highway and which are connected to at...
|
|
|
5508930 |
Vehicle navigation apparatus with new route replanning apparatus
Vehicle navigation apparatus (10) calculates an initial route to a destination (52) via connected road segments (55, 59) defined in a road map data base. In response to a can't do-reroute signal,...
|
|
|
5483455 |
Method and apparatus for determining the location of a vehicle
Vehicle navigation systems typically include devices for determining the location of the vehicle. In many situations it is advantageous to improve the resolution of such devices or to provide a...
|
|
|
5477458 |
Network for carrier phase differential GPS corrections
Method and apparatus for providing GPS pseudorange correction information over a selected geographic region S with a diameter of up to 3000 km with an associated inaccuracy no greater than 5 cm. N...
|