Patents Represented by Attorney Boris G. Tankhilevich
  • Patent number: 6433866
    Abstract: The integrated laser and satellite positional system receiver is disclosed. The integrated laser and satellite positioning system receiver can provide a plurality of mobile units with a laser plane data determined with a millimeter relative accuracy. The integrated laser and differential satellite positioning system receiver can also generate and transmit the differential correctional data to a plurality of mobile units. Each mobile unit equipped with a mobile satellite positioning system receiver can use the differential correction data and the high precision laser plane data to improve its position determination capabilities.
    Type: Grant
    Filed: May 6, 2000
    Date of Patent: August 13, 2002
    Assignee: Trimble Navigation, LTD
    Inventor: Mark Edward Nichols
  • Patent number: 6414987
    Abstract: The apparatus and method for estimation and minimization of the residual multipath error signal are disclosed. The reduction of the multipath error signal is achieved by using the weighted or modified tracking. The estimation and minimization of the reduced multipath error signals is achieved by using the generator of additional modified or weighted signals.
    Type: Grant
    Filed: January 19, 1999
    Date of Patent: July 2, 2002
    Assignee: Trimble Navigation, Ltd.
    Inventor: Rayman W. Pon
  • Patent number: 6404801
    Abstract: The apparatus and method of the present invention is designed to receive SATPS satellites encoded information using a high gain antenna and pre-process the encoded information. The apparatus includes a High Gain Antenna (HGA), an extracting receiver, and a transmitter circuit configured to transmit the unknown code modulated on a transmission frequency for further processing in the delayed correlation receiver.
    Type: Grant
    Filed: October 19, 1998
    Date of Patent: June 11, 2002
    Assignee: Trimble Navigation, LTD
    Inventor: Gary R. Lennen
  • Patent number: 6400447
    Abstract: A system and method for selecting at least one target with strong reflectivity from a set of strong and weak reflectors by using an amplitude of a reflected signal to make such a selection. The pre-computed look-up table that relates an amplitude of the reflected signal from a target with a strong reflectivity to the distance at which such target is located is used in a real-time mode to separate weak reflectors from strong reflectors. In the post-processing mode the usage of normalizing function allows to further differentiate between strong reflectors (like windows) and very strong reflectors (like prisms).
    Type: Grant
    Filed: March 11, 2000
    Date of Patent: June 4, 2002
    Assignee: Trimble Navigation, LTD
    Inventors: Geoffrey R Kirk, Robert J. Lamm
  • Patent number: 6400452
    Abstract: A three dimensional laser tracking and control system is disclosed. The system includes a laser beacon generating a three dimensional rotating and scanning laser beam that covers a three-dimensional area. Each mobile unit has identification number (ID) and is equipped with a intelligent reflector (IR). Each mobile unit uses its intelligent reflector (IR) to communicate to the signal system its ID and the time of illumination by the laser beam. The signal system calculates the three dimensional coordinates for each mobile unit and communicates the positional data back to each mobile unit using the same laser beam during the subsequent rotation cycles.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: June 4, 2002
    Assignee: Trimble Navigation, LTD
    Inventor: Kurtis L. Maynard
  • Patent number: 6324455
    Abstract: The apparatus and the system for precise vertical navigation of a grading machine in profile of a curved job site terrain is disclosed. The system includes an integrated satellite navigational receiver and a laser detector system. A plurality of laser systems generates a plurality of laser beams covering the curved job site terrain. The laser detector system mounted in the grading machine latches on a single laser beam at each location of the grading machine to obtain the precise vertical coordinate of the grading machine.
    Type: Grant
    Filed: November 5, 1998
    Date of Patent: November 27, 2001
    Assignee: Trimble Navigation LTD
    Inventor: Philip Richard Jackson
  • Patent number: 6318622
    Abstract: The apparatus for assembly of high power hybrid modules including high power semiconductor chips and conventional surface mount technology (SMT) components are disclosed. The vacuum oven is used for creating the permanent electrical connection between each high power semiconductor chip and the high power hybrid module. The soldering reflow process is used to attach each SMT component to the high power hybrid module. The automated high power hybrid modules assembling process yields the high power hybrid modules with excellent thermal properties.
    Type: Grant
    Filed: May 9, 2000
    Date of Patent: November 20, 2001
    Assignee: Xemod, Inc.
    Inventors: Gregg A. Hollingsworth, Joseph Herbert Johnson
  • Patent number: 6317603
    Abstract: The system and method for long baseline RTK survey are disclosed. The system includes a primary base station (PBS), a secondary base station (SBS), a primary data link between the PBS and the SBS, and a secondary data link between the SBS and a rover. The PBS, the SBS, and the rover are equipped with satellite antennas for satellite navigational purposes. The long baseline vector between the PBS and the rover is established by combining the primary baseline vector between the SBS and the PBS and the secondary baseline vector between the SBS and the rover. The PBS is placed in a position with a known location. The final SBS position is accurately determined using the PBS position during two initialization steps.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: November 13, 2001
    Assignee: Trimble Navigation, LTD
    Inventor: Michael Timo Allison
  • Patent number: 6281836
    Abstract: The method of supplementing the satellite data by the satellite-calibrated baro data when the receiver autonomous integrity monitoring function (RAIM) is unavailable and when the horizontal protection level (HPL) does not satisfy the horizontal alert limit (HAL) requirement is disclosed. The baro data is adjusted to compensate for the lack of baro calibration in the position solution domain. The HPL is re-computed using the satellite-calibrated adjusted baro data. The re-computed HPL could satisfy the HAL requirement which would make the RAIM function available when it would be otherwise unavailable.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: August 28, 2001
    Assignee: Trimble Navigation LTD
    Inventors: Lawrence O. Lupash, Joseph M. Wlad
  • Patent number: 6278741
    Abstract: A timing recovery system and method for QAM signals having different symbol rates are disclosed. After sampling the QAM baseband signal, a symbol timing recovery logic including a generator of a weighting function is utilized to develop a local error signal. The local error signal averaged over a predetermined time period is utilized to make a global decision regarding the sampling point position relative to the baseband signal maximum/minimum.
    Type: Grant
    Filed: October 22, 1999
    Date of Patent: August 21, 2001
    Assignee: Wideband Computers, Inc.
    Inventors: Byron Esten Danzer, Richard William Koralek, David Bruce Isaksen
  • Patent number: 6272343
    Abstract: An apparatus and method for fast signal acquisition on a preferred communication channel is disclosed. The apparatus includes a frequency and identification guidance system that can have a hardware as well software implementation. The memory of the device includes a prioritized multi-level system of channels and a prioritized multi-level system of identifiers. The frequency and identification guidance system utilizes both multi-level systems to guide the device to a channel belonging to the preferred Service Provider.
    Type: Grant
    Filed: October 13, 1998
    Date of Patent: August 7, 2001
    Assignee: Tellus Technology, Inc.
    Inventors: Rayman W. Pon, Huihung Tim Lu
  • Patent number: 6271552
    Abstract: The lateral RF MOS device having two drain drift regions and a conductive plug source connection structure is disclosed. The usage of two drain drift regions results in the increased source-drain breakdown voltage and in increased maximum drain current density. The lateral RF MOS device of the present intention can be used for high power and high frequency applications.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: August 7, 2001
    Assignee: Xemod, INC
    Inventor: Pablo Eugenio D'Anna
  • Patent number: 6268823
    Abstract: Method and system for determining a position of a platform using a set of range measurements between the platform and a set of known positions that avoids the frequent recalculation of square-roots in range predictions. The platform state estimate is updated by substituting the difference between the square of the range measurement and the square of the distance from the assumed position of the platform to the known position to which the range measurement corresponds scaled by the inverse twice distance between the predicted position of the platform and the known position, for each of the measurement residuals. The predicted state of the platform is updated until the platform state converges on a limit to a desired accuracy.
    Type: Grant
    Filed: March 8, 2000
    Date of Patent: July 31, 2001
    Assignee: Trimble Navigation LTD
    Inventor: Robert Leonard Nelson, Jr.
  • Patent number: 6266007
    Abstract: The present invention discloses the apparatus and the method for calibrating a Narrow Band Receiver in real time for code group delay errors in the signals transmitted by a Narrow Band Transmitter. The apparatus includes a Calibration circuit used to generate a calibration signal that is substantially free from code delay errors, and that is substantially similar to the signal emanating from the Narrow band Transmitter. The calibration signal can be used by the Narrow Band receiver to measure and offset the group delay errors in real time.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: July 24, 2001
    Assignee: Trimble Navigation LTD
    Inventor: Gary R. Lennen
  • Patent number: 6259403
    Abstract: The mobile unit equipped with the satellite positioning system augmented by the laser positioning system is disclosed. The usage of the satellite positioning system allows the user to determine the coordinate of the laser reflectors prior to the range measurements. The range measurements are performed by the navigational computer using the laser scanning and rotating beam to obtain the range data between the mobile unit and a plurality of laser reflectors, and using the satellite positioning system to obtain the range data between the mobile unit and a plurality of visible navigational satellites. The obtained range data and the laser reflector coordinate data allows the user to perform the navigation of the mobile unit.
    Type: Grant
    Filed: August 9, 1999
    Date of Patent: July 10, 2001
    Assignee: Trimble Navigation Limited
    Inventor: Mark Edward Nichols
  • Patent number: 6236355
    Abstract: Methods and systems for resolving the lock point ambiguity for the GPS receiver are disclosed. The method involves generation of the absolute lock point data bit by the reference station receiver, transmission of the absolute data bit to the rover receiver, and comparison between the raw lock point data with the absolute lock point data bit in the rover receiver. The system employs the reference station receiver, the rover receiver, and the communication link.
    Type: Grant
    Filed: January 23, 1999
    Date of Patent: May 22, 2001
    Assignee: Trimble Navigation LTD
    Inventor: Dominic G. Farmer
  • Patent number: 6220080
    Abstract: A method and a system for measurement the geometrical parameters of ultra thin wafers with the thickness less than 200 microns. The measurement system comprises two measurement channels and a computer. Each measurement channel comprises a motor-positionable probe further comprising a back pressure probe and a capacitive probe. The capacitive probe is substantially cocentric with the back pressure probe. The air back pressure sensor is used to calibrate the capacitive sensor for a given dielectric permittivity of the conductive target, and the capacitive sensor is used to measure thickness, flatness, bow, and warpage of the ultra-thin electrically conductive target.
    Type: Grant
    Filed: May 12, 2000
    Date of Patent: April 24, 2001
    Assignee: Sigma Tech, Inc.
    Inventor: Jacques A. Fauqué
  • Patent number: 6222233
    Abstract: The lateral RF MOS device having a conducive plug in the source region and an oxide plug in the drain region is disclosed. The oxide plug in the drain region reduces the drain-source capacitance, improves the matching ability to the outside circuitry, and results in a lateral RF MOS device having a wider BW, and an improved power efficiency than a prior art lateral RF MOS device. The oxide plug can comprise a shallow plug or a deep plug. The shallow oxide plug results in a lesser reduction in the drain-source capacitance but is relatively easy to fabricate. The deep oxide plug results in a higher reduction in the drain-source capacitance but is relatively difficult to fabricate.
    Type: Grant
    Filed: October 4, 1999
    Date of Patent: April 24, 2001
    Assignee: XEMOD, Inc.
    Inventor: Pablo Eugenio D'Anna
  • Patent number: 6205377
    Abstract: The method of supplementing the satellite data by the satellite-calibrated baro data when the receiver autonomous integrity monitoring function (RAIM) is unavailable and when the horizontal protection level (HPL) does not satisfy the horizontal alert limit (HAL) requirement is disclosed. The baro data is calibrated with satellite data if maximum weighted vertical dilution of precision with one satellite removed at one time (max {SubWVDOP}) is less than a predetermined threshold (TSUB) and if a test statistic is less than a predetermined test statistic threshold (TST). The HPL is re-computed using the satellite-calibrated baro data. The re-computed HPL could satisfy the HAL requirement which would make the RAIM function available when it would be otherwise unavailable.
    Type: Grant
    Filed: April 27, 1999
    Date of Patent: March 20, 2001
    Assignee: Trimble Navigation LTD
    Inventors: Lawrence O. Lupash, Joseph M. Wlad
  • Patent number: 6198989
    Abstract: A method and a system for remote control of a rover over a long base line is disclosed. The system includes a primary base station (PBS), a secondary base station (SBS), a rover, a primary long line data link between PBS and SBS, and a secondary two-way data link between the SBS and the rover. The primary data link and the secondary data link comprise a long baseline feedback loop that is used to transmit the control data to the rover, to adjust the control data, and to transmit back from the rover to the SBS and to the PBS the collected feedback data.
    Type: Grant
    Filed: May 21, 1999
    Date of Patent: March 6, 2001
    Assignee: Trimble Navigation LTD
    Inventors: Boris G. Tankhilevich, Michael Timo Allison