Method and system for logging position data
Granted: July 17, 2012
Patent Number:
8223068
According to embodiments, a method of logging position data is provided. An indication of a desired accuracy value for determining a geographic position is received. A geographic position is then received. A predicted post-processed accuracy value for the received geographic position is then calculated. The desired accuracy value is then compared with the predicted post-processed accuracy value for the received geographic position. When the predicted post-processed accuracy value for the…
Method and system for GNSS receiver login protection and prevention
Granted: July 10, 2012
Patent Number:
8220046
Embodiments of the present invention recite a method and system for implementing login protection and prevention to a Global Navigation Satellite System (GNSS) receiver. In one embodiment, a geospatial data collection device which is communicatively coupled with a GNSS receiver is authenticated. It is then determined that the geospatial data collection device is authorized to collect data from a geographic region in which the GNSS receiver is located. The geospatial data collection…
Systems and methods for power supply synchronization in radio frequency identification (RFID) readers
Granted: June 12, 2012
Patent Number:
8196831
A system for power supply synchronization in an Radio Frequency Identification (RFID) reader is shown and described. In one embodiment, the system includes one or more switched mode power supply devices and a signal generator. Each of the switched mode power supply devices provides power to at least one component of the RFID reader. The signal generator transmits a synchronization signal of a controlling frequency to each of the one or more power supply devices. In one embodiment, the…
GNSS post positioning with selected precision
Granted: June 12, 2012
Patent Number:
8199049
A computer apparatus for post positioning with a selected precision. The apparatus includes a GNSS post processor to post process reference GNSS carrier phases from a reference system and rover GNSS carrier phases from a rover receiver to compute a secure position for the rover receiver not available to a user. The apparatus includes a vector offset generator to use the selected precision to compute a dither level for offset vectors to degrade an intrinsic precision of the secure…
System having doppler-based control of a mobile device
Granted: June 12, 2012
Patent Number:
8200238
Embodiments of the present invention recite a system having Doppler-based control of a mobile device. In one embodiment, at least one measured Global Navigation Satellite System (GNSS) Doppler frequency shift measurement corresponding to a GNSS signal measured at a mobile electronic device is received. The speed of the remote device is then determined based at least in part upon the GNSS Doppler frequency shift measurement. An operation of the remote device is then controlled from the…
Altitude constrained GPS
Granted: May 29, 2012
Patent Number:
8188912
A method of improving accuracy of position coordinates of a positioning device is provided. The method comprises: (A) obtaining a 3D reference solution for reference position coordinates of an positioning device by using a plurality of available radio signals emanating from an integer N number of available radio sources at time t; wherein 3D solution includes a reference 3D altitude of said positioning device at Epoch (t); (B) obtaining a barometric altitude of the positioning device at…
Creating road models
Granted: May 29, 2012
Patent Number:
8190401
Embodiments of the present invention recite a computer implemented method and system for creating a road model. In one embodiment, an identification of an intersection of a first road and a second road is received. At least one designated elevation is received at which the first road and the second road should merge. Finally a united layer is automatically created for the intersection wherein a first plurality of strings defining the first road and a second plurality of strings defining…
Global navigation satellite system (GNSS) receiver device
Granted: May 15, 2012
Patent Number:
D659564
Vehicle and vehicle attachment
Granted: April 17, 2012
Patent Number:
8160785
A vehicle and work attachment for the vehicle are disclosed in which the vehicle is of the type having a vehicle body, forward extending support arms, a motor-driven hydraulic fluid pump, hydraulic lines for carrying hydraulic fluid, a hydraulic fluid reservoir, and hydraulic cylinders for moving the arms with respect to the body. Controls may be provided for controlling the valves that control supply of hydraulic fluid to the hydraulic cylinders. These hydraulic valves may be mounted on…
Acceleration compensated inclinometer
Granted: April 3, 2012
Patent Number:
8150651
An inclinometer using a speedometer and a forward-looking accelerometer for measuring inclination angle.
Collision avoidance
Granted: March 27, 2012
Patent Number:
8144000
In a method for avoiding a collision on a job site, information is received regarding a plurality of selected entities on the job site. The information is received at a location independent from the entities. The information is evaluated to determine whether a trigger has occurred. The trigger is associated with a potential collision situation involving an entity of the entities. A collision alert message is issued for the entity if the trigger has occurred.
Planter assembly with selectively actuated output
Granted: March 27, 2012
Patent Number:
8145396
An actuating system for a planting device. The actuating system has an electric motor that provides an actuating force for a seed shaft. A pneumatic acting member is connected to a source of compressed air through a valve and positioned to engage the electric motor to actuate the electric motor. The source of compressed air and electric motor can thus be connected to a controller that operates the source of compressed air and the electric motor in order to provide selective actuation to…
Method and system for location-dependent time-specific correction data
Granted: March 13, 2012
Patent Number:
8134497
A method and system for delivery of location-dependent time-specific corrections. In one embodiment, a first extended-lifetime correction for a first region is generated. A distribution timetable is used to determine a first time interval for transmitting the first extended-lifetime correction to the first region. The first extended-lifetime correction is then transmitted via a wireless communication network to said first region in accordance with said distribution timetable.
Fast decimeter-level GNSS positioning
Granted: March 6, 2012
Patent Number:
8130143
Methods and apparatus are present for determining position of a rover from observations of GNSS signals. Observations of GNSS signals are obtained at a rover location, and observations of the GNSS signals are obtained at a plurality of reference stations, each reference station defining a respective baseline between the rover location and a reference station location. For each reference station, a respective differentially-corrected rover position is determined, wherein at least one of…
Method and apparatus for automatic vehicle guidance using continuous 2-D poly-point path
Granted: March 6, 2012
Patent Number:
8131415
A method for using an arbitrary shape 2-D poly-point path for an automatic vehicle guidance comprising the steps of: (A) determining a set of 2-D reference points; (B) selecting a set of 2-D interpolating curves to fit the set of 2-D reference points, wherein each 2-D interpolation curve connects a pair of 2-D reference points, and wherein each set of 2-D interpolation curves comprises a continuous 2-D poly-point path; and (C) calculating a steering angle to guide the vehicle along the…
Position measurement results by a surveying device using a tilt sensor
Granted: February 28, 2012
Patent Number:
8125379
A surveying apparatus includes an antenna to receive a positioning signal. The surveying apparatus further includes a tilt sensor to obtain a tilt measurement that indicates a degree of tilt of the survey apparatus. The surveying apparatus further includes a processor to obtain a positioning measurement from the positioning signal, and to determine a degree of accuracy of the positioning measurement based on the tilt measurement.
Camera aiming using an electronic positioning system for the target
Granted: February 28, 2012
Patent Number:
8125529
Vehicles, such as vehicles in an open-pit mine, are visually tracked. The location of a vehicle is determined using radio frequency signals, such as pseudolite transmissions of ranging signals. The camera is steered based on the location. For example, multiple cameras are directed automatically on a vehicle based on the vehicle position. Images from a plurality of perspectives are provided to resolve or prevent a problem. The directing may include zooming for better viewing of vehicles…
Automatic control of passive, towed implements
Granted: February 14, 2012
Patent Number:
8116977
An automatic control system for passive, towed implements is described. The system provides a strategy for optimal control of a towed implement using a nudge input to an autopilot-controlled tractor. Implement path-tracking error, as measured by a GNSS receiver, is consistently corrected to zero.
Automatic control of passive, towed implements
Granted: February 7, 2012
Patent Number:
8112201
An automatic control system for passive, towed implements is described. The system provides a strategy for optimal control of a towed implement using a nudge input to an autopilot-controlled tractor. Implement path-tracking error, as measured by a GNSS receiver, is consistently corrected to zero.
Method and system for automatically directing traffic on a site
Granted: January 24, 2012
Patent Number:
8103438
In a method for automatically directing traffic on a site, information is received regarding a plurality of selected entities on the job site. An indication of a first priority assigned to a first of the plurality of selected entities is received. An indication of a second priority assigned to a second of the plurality of selected entities is received. It is then determined that the first of the plurality of selected entities has a right of way over the second of the plurality of…
