Abstract: A laser transmitter has a transmitter housing and a laser source in the housing. A gimbal support arrangement supports the laser source in the housing and includes a gimbal motor arrangement for moving the gimbal support arrangement and said laser source in said housing. A gimbal motor drive circuit actuates the gimbal motor arrangement to cause the gimbal support arrangement to move in said housing. A plurality of optical proximity sensors sense the orientation of said gimbal support arrangement to the interior of said housing. By this arrangement, damage to the transmitter is prevented.

Abstract: 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 control planting of the planting device.

Abstract: System and method for scanning an object using a surveying instrument is provided. The method includes designating an area associated with an object to be scanned. Defining one or more sections within the area associated with the object. Scanning a portion of the area associated with the object corresponding to a first section of the area associated with the object and designating one or more sections adjacent to the first section if scan results indicate presence of an object. Designating one or more sections adjacent to the first section for not scanning if the scan results of the portion of the area associated with the object corresponding to the first section do not indicate presence of an object. A remote control device is provided that can control the surveying instrument, receive the scan results, and analyze the scan results for subsequent use.

Abstract: A system for synchronizing data between a host client and a field device comprises a computer system with a virtual field device resident on the computer system. The virtual field device comprises a virtualized instantiation of a portion of a field device. A synchronization manager is also resident on the computer system. The synchronization manager is configured for managing synchronization operations involving the virtual field device. A field client transceiver is coupled with the synchronization manager. The field client transceiver is configured for facilitating data exchange between the virtual field device and the field device during a field client to virtual field device synchronization operation. A host client is also resident on the computer system. The host client is configured for exchanging data with the virtual field device during a host client to virtual field device synchronization operation.

Abstract: Method and apparatus for detecting barcode data of at least one item of interest. In one embodiment, a method includes detecting a barcode target, by an imaging device, associated with an item located at a position of interest. The method further includes decoding the barcode target to extract data associated with the item, determining position data for the position of interest and displaying the data associated with the item and the position data for a user.

Abstract: In a method for construction equipment component location tracking, a wireless mesh network communication is initiated between a component monitor and a component information unit which is mechanically coupled with the component. An identity of the component is received at the component monitor via the wireless mesh network communication. A Global Navigation Satellite System (GNSS) receiver of the component monitor is utilized to ascertain a location of the component at a completion of an inventory action.

Abstract: A method of dynamic switching of a plurality of carrier loops in a radio receiver. The method comprises: (A) receiving a radio signal from a radio source by using a carrier tracking loop; (B) substantially continuously estimating a signal-to-noise ratio (SNR) of the received radio signal from the radio source; (C) if the signal-to-noise ratio (SNR) of the received radio signal from the radio source is above an initial predetermined threshold, performing carrier tracking of the received carrier signal by an initial carrier tracking loop having an initial accumulation period; and (D) if the signal-to-noise ratio (SNR) of the received radio signal from the radio source falls below the initial predetermined threshold; switching from the initial carrier tracking loop having the initial accumulation period to a subsequent carrier tracking loop having a subsequent accumulation period.

Abstract: An apparatus for providing navigational information associated with locations of objects includes an imaging device configured to acquire image data, a visual display coupled to the imaging device and configured to display the image data, a position measuring device configured to determine position information associated with the imaging device, and an orientation device configured to determine orientation information associated with the imaging device. The apparatus may also include a rendering system coupled to the visual display, the position measuring device, and the orientation device. The rendering system may be configured to determine image coordinates associated with a location of an object and provide a navigational graphic on the visual display oriented relative to the image coordinates.

Abstract: In a system for determining the positions of multiple towed vehicles that are towed by a towing vehicle, a satellite antenna is provided on each towed vehicle and a high accuracy satellite receiver is placed on the towing vehicle, the positions of the towed vehicle of interest being determined by switching its antennae signal through to the satellite receiver.

Abstract: A method and system for detecting construction equipment process failure are disclosed. According to one embodiment, information about a construction equipment asset from a reporting source is received. A database is then populated with the information. A process failure report is provided if the construction equipment asset is operated in a manner which violates a process norm assigned to the construction equipment asset.

Abstract: A method of operating a plurality of Radio Frequency Identification (RFID) readers includes operating the readers according to a spatial-division and time-division synchronization schedule. Each reader may be associated with a reader group, and the schedule may specify a duration of time that all of the readers in a group may be active. Readers in different reader groups may be scheduled independent of readers in other reader groups.

Abstract: A circuit for exclusion zone compliance is recited. In one embodiment, the circuit comprises a satellite navigation signal reception component configured for receiving at least one signal from at least one Global Navigation Satellite System satellite and a navigation data deriving component configured for deriving position data and a clock time from the at least one signal. The circuit further comprises a non-volatile memory component configured for storing an encrypted data set describing the boundaries of an exclusion zone and a data blocking component configured for controlling the accessing of the encrypted data set. The circuit further comprises a data control component configured for blocking the output of a signal from the circuit in response an indication selected from the group consisting of: an indication that the circuit is located within an exclusion zone and an indication that output of said signal is not permitted based upon said clock time.

Abstract: A reverse RFID location system is based on set of RFID tags in which each tag stores data representing its position.

Abstract: A rollover risk assessment system includes sensors and a processor for estimating rollover risk associated with maneuvering on varying terrain.

Abstract: Methods and apparatus which characterize the ionospheric error across a network of GNSS reference stations are presented. The method relies on dual-frequency phase measurements in a geometry-free linear combination. The data are filtered for ambiguities and the characteristic parameters of the ionosphere. In combination with filter results from other combinations of phase measurements (ionosphere free combination), the physically-based model provides rapid and reliable ambiguity resolution.

Abstract: An apparatus, method and tangible medium using GPS for guiding a farm implement along a turn path between swaths. The apparatus includes a GPS receiver and a turn computer. The turn computer calculates or stores a turn path between swaths, calibrates GPS positions to a swath end position and uses the calibrated GPS positions to guide the implement along the turn path to the start of the next swath. A steering wheel autopilot may be included to steer a powered vehicle according to a cross track error between the calibrated GPS positions and the turn path.

Abstract: 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.

Abstract: An altitude dead reckoning system using a measured forward speed and a measured forward-looking acceleration in a dead reckoning (DR) altitude calculator to calculate an altitude change. The DR altitude calculator may also use a measured yaw angle rate to provide compensation to improve the accuracy of the altitude change calculation.

Abstract: A method of generating post-mission position and orientation data comprises generating position and orientation data representing positions and orientations of a mobile platform, based on global navigation satellite system (GNSS) data and inertial navigation system (INS) data acquired during a data acquisition period by the mobile platform, using a network real-time kinematic (RTK) subsystem to generate correction data associated with the data acquisition period, and correcting the position and orientation data based on the correction data. The RTK subsystem may implement a virtual reference station (VRS) technique to generate the correction data.

Abstract: A system and method for site calibration of a controller is provided. In one embodiment, a method may include determining coordinates of a point in a first coordinate system based on at least one measurement by a surveying device, determining coordinates of the point in a second coordinate system based on data provided by a global positioning device, and calculating a transformation of the first coordinate system relative to the second coordinate system based on the coordinates determined for the point. The method may further include calibrating the controller based, at least in part, on the transformation.