Patents Represented by Attorney Boris G. Tankhilevich
  • Patent number: 8229166
    Abstract: A method of image-tracking by using an image capturing device. The method comprises: performing an image-capture of a scene by using an image capturing device; and tracking movement of the image capturing device by analyzing a set of images by using an image processing algorithm.
    Type: Grant
    Filed: July 7, 2009
    Date of Patent: July 24, 2012
    Assignee: Trimble Navigation, Ltd
    Inventors: Hongbo Teng, Gregory C. Best, Sy Bor Wang
  • Patent number: 8188912
    Abstract: 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 each Epoch; (C) if a trigger event occurs at Epoch (t+1), generating an updated altitude of the positioning device at Epoch (t+1) by using the reference 3D altitude obtained at Epoch (t) and by using the barometric altitude obtained at Epoch (t) and obtained at Epoch (t+1); and (D) using a position estimator to obtain 3D solution for position coordinates of the positioning device at Epoch (t+1) with improved accuracy by utilizing the updated altitude of the positioning device.
    Type: Grant
    Filed: September 29, 2009
    Date of Patent: May 29, 2012
    Assignee: Trimble Navigation Ltd.
    Inventor: Shawn D. Weisenburger
  • Patent number: 8180978
    Abstract: An address locked loop (ALL) apparatus for address recycling is provided. The apparatus comprises a block of memory further comprising a plurality of buffers configured to store a plurality of incoming packets, an address stack configured for storing of a plurality of free addresses, an address locked loop (ALL) control block configured to provide an arbitrated interface with the address stack for filling address requests by a local process and for returning free addresses from the local process to the address stack, and a stack address counter configured to maintain count of the available free addresses remaining on the address stack.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: May 15, 2012
    Assignee: Wideband Semiconductors, Inc.
    Inventors: Richard J. Fagerlund, David B. Isaksen, Philip R. Sanfilippo, Boris G. Tankhilevich
  • Patent number: 8131415
    Abstract: 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 continuous 2-D poly-point path.
    Type: Grant
    Filed: April 7, 2008
    Date of Patent: March 6, 2012
    Assignee: Trimble Navigation, Ltd
    Inventor: John W. Peake
  • Patent number: 8031110
    Abstract: A method of eliminating user position biases caused by satellite constellation changes or differential signal gain/loss is provided. The method comprises: (A) substantially continuously determining an unbiased user's position by using a radio receiver”; (B) detecting a “detectable event” by using the radio receiver; (C) measuring a bias caused by the detectable event; (D) performing an update process by accumulating each bias caused by at least one detectable event to generate an accumulated bias; and (E) eliminating the accumulated bias at each Epoch by using a correction process.
    Type: Grant
    Filed: December 27, 2008
    Date of Patent: October 4, 2011
    Assignee: Trimble Navigation Ltd.
    Inventor: Hassan Abou Ghaida
  • Patent number: 8031397
    Abstract: A magnon laser comprising: a Magnon Gain Medium, wherein the Magnon Gain Medium supports generation of nonequilibrium magnons, and a means for pumping nonequilibrium electrons into the Magnon Gain Medium. Propagation of nonequilibrium electrons in Magnon Gain Medium causes generation of nonequilibrium magnons. Magnon Gain Medium comprises ferromagnetic materials at room temperatures including the half-metallic ferromagnets.
    Type: Grant
    Filed: November 1, 2008
    Date of Patent: October 4, 2011
    Assignee: Terahertz Technologies, LLC
    Inventors: Yehiel Korenblit, Boris G. Tankhilevich
  • Patent number: 7995622
    Abstract: A method for digital clock smoothing is provided. The method comprises: (A) inputting an asynchronous data stream having an asynchronous symbol rate into a FIFO two-port memory block; (B) obtaining FIFO depth B by subtracting modulo B for each stored symbol a symbol output address from a symbol input address; (C) inputting FIFO depth B into a programmable look-up table (LUT); (D) obtaining a phase detector error signal; (E) scaling the phase detector error signal to obtain a scaled error factor; (F) adding the scaled error factor to a nominal phase step to obtain a phase update; (G) obtaining a smoothed symbol rate; and (H) reading out each output symbol from FIFO under control of an output FIFO address control register at the smoothed symbol rate.
    Type: Grant
    Filed: October 5, 2009
    Date of Patent: August 9, 2011
    Assignee: Wideband Semiconductor, Inc.
    Inventors: Richard John Fagerlund, James P. Flynn, Mark Fong, David Bruce Isaksen
  • Patent number: 7986454
    Abstract: An apparatus and method for tunable generation of terahertz waves at room temperatures are provided. The apparatus for tunable terahertz generation comprises: (A) a terahertz antenna further comprising a magnon gain medium; (B) a means for generating the nonequilibrium magnons in the magnon gain medium; wherein the terahertz antenna is configured to emit generated terahertz photons; and (C) a means for tuning frequency of terahertz photons emitted by the terahertz antenna. The magnon gain medium is selected from the group consisting of: {a ferromagnetic semiconductor; a dilute magnetic semiconductor (DMS); a half-metallic ferromagnet (HMF); and a ferromagnetic conductor, with a gap in the density of states of the minority electrons around the Fermi energy}.
    Type: Grant
    Filed: December 2, 2008
    Date of Patent: July 26, 2011
    Assignee: Terahertz Technologies LLC
    Inventors: Yehiel Korenblit, Boris G. Tankhilevich
  • Patent number: 7982946
    Abstract: An apparatus and method for generating modulated terahertz radiation are provided. The apparatus comprises: (A) a means for generating Terahertz radiation by pumping nonequilibrium electrons into Magnon Gain Medium (MGM); wherein the nonequilibrium electrons emit nonequilibrium magnons, and wherein interaction between nonequilibrium magnons in the Magnon Gain Medium (MGM) causes generation of Terahertz radiation; and (B) a means for modulating the generated Terahertz radiation. The modulating means further comprises: an AC magnetic field generator, or an AC electric field generator.
    Type: Grant
    Filed: March 10, 2010
    Date of Patent: July 19, 2011
    Assignee: Terahertz Technologies LLC
    Inventors: Yehiel Korenblit, Boris G. Tankhilevich
  • Patent number: 7970080
    Abstract: A method of automated acquisition of a QAM signal is provided. The method employs a State machine progressing from an initial State to a final State. The State machine comprises: a symbol timing recovery loop; a carrier loop; a coarse frequency loop; and an equalizer. The method comprises: (A) Performing an automatic gain control (AGC) operation on an incoming QAM signal; (B) Performing a symbol timing recovery of an input QAM signal by adjusting a sampling clock of the symbol timing recovery loop; (C) Performing a Blind Equalization of the QAM signal without carrier lock; (D) Performing a carrier recovery of the QAM signal; and (E) Performing a decision directed equalization (DDE) of the QAM signal by updating a set of coefficients of the equalizer by using a decision based algorithm.
    Type: Grant
    Filed: January 12, 2009
    Date of Patent: June 28, 2011
    Assignee: Wideband Semiconductor, Inc.
    Inventors: David B. Isaksen, Mark Fong
  • Patent number: 7835259
    Abstract: An apparatus for automated acquisition of a QAM signal. The apparatus employs a State machine progressing from an initial State to a final State. The State Machine comprises: (A) an AGC State further comprising a Minimum Sub-State further comprising: Coarse Estimate Sub-State; and an AGC Lock Sub-State further comprising Maximum Sub-State; (B) a Clock 1 State further comprising a Minimum Sub-State, and a Maximum Sub-State; (C) a Clock 2 State further comprising: a Minimum Sub-State; and a Maximum Sub-State; and (D) a Blind State further comprising a Minimum Sub-State; a Threshold Sub-State further comprising a Maximum Sub-State; and a Hysteresis Sub-State.
    Type: Grant
    Filed: May 26, 2007
    Date of Patent: November 16, 2010
    Assignee: Wideband Semiconductors, Inc.
    Inventors: David Bruce Isaksen, Mark Fong
  • Patent number: 7808626
    Abstract: A method of mobile radio positioning aided by a single fan self-surveying laser transmitter (SF_SS_LT), wherein a rover comprises a mobile radio positioning system (Mobile_RADPS) integrated with a mobile laser detector; and wherein THE SF_SS_LT comprises a single fan laser transmitter and a positioning system integrated with the single fan laser transmitter. The method comprises: (A) performing self-surveying of the (SF_SS_LT); (B) generating a single fan laser beam by using the single fan laser transmitter; (C) detecting the single fan beam by using the mobile laser detector; and (D) timing the fan laser beam strike at the rover's location and using the timing of the fan laser beam strike at the rover's location to improve an accuracy in determination of position coordinates of the rover.
    Type: Grant
    Filed: December 17, 2007
    Date of Patent: October 5, 2010
    Assignee: Trimble Navigation Ltd.
    Inventor: Mark E. Nichols
  • Patent number: 7801274
    Abstract: A digital dental image apparatus comprising: an intra-oral image sensor configured to output a raw analog video signal; a processing raw analog video signal (PRAVS) means for processing the raw analog video signal for optimum detection; a digitizing, over sampling, and averaging (DOSA) means for digitizing, over sampling, and averaging the optimized analog video signal; a programmable control and signal processing (PCSP) means configured to generate a control signal to control an over sampling rate of the (DOSA) means; and a low noise power supply that improves the intra-oral image sensor performance. The PCSP means is configured to process the DOSA video signal, and configured to output the processed DOSA video signal to an output network interface.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: September 21, 2010
    Assignee: Wideband Semiconductors, Inc.
    Inventor: David B. Isaksen
  • Patent number: 7770010
    Abstract: A method for encrypting and decrypting an original data stream comprising: (A) transmitting a copy of a key to an interleaver and to a de-interleaver, wherein the key includes a key-algorithm configured to describe an evolution in time of at least one interleaving parameter; (B) interleaving the original data stream by using the interleaver, wherein the interleaver compensates for a change in latency caused by at least one dynamically changeable interleaving parameter; and (C) recovering the original data stream from the interleaved data stream propagated through the communication channel by using the de-interleaver adapted to communicate with the communication channel, wherein the de-interleaver compensates for a change in latency caused by at least one dynamically changeable interleaving parameter.
    Type: Grant
    Filed: October 14, 2007
    Date of Patent: August 3, 2010
    Assignee: Wideband Semiconductors Inc.
    Inventors: James P. Flynn, Boris G. Tankhilevich
  • Patent number: 7768450
    Abstract: A combined radio and laser positioning system comprising: a network of ground based radio communication devices, a laser transmitter configured to generate at least one laser beam, and at least one user unit. Each user unit comprises a radio receiver configured to receive at least one ranging radio signal transmitted by at least one ground based radio communication device, a laser detector configured to receive at least one laser beam generated by the laser transmitter, and a processor configured to convert a set of data including: {a set of data transmitted by at least one ranging radio signal, and a set of data transmitted by said at least one laser beam} into position coordinates of the user unit, wherein a set of vertical coordinates of the user unit is obtained with a laser-assisted (LA) accuracy.
    Type: Grant
    Filed: April 4, 2007
    Date of Patent: August 3, 2010
    Assignee: Trimble Navigation Ltd.
    Inventor: Mark E. Nichols
  • Patent number: 7747384
    Abstract: A method for substituting at least one high quality position measurement of an object taken before an interrupting event with a set of upgraded low quality position measurements of the object provided by the same source of measurements after the interrupting event.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: June 29, 2010
    Assignee: Trimble Navigation, Ltd.
    Inventors: Vivek Bhalchandra Nadkarni, Scott R. Smith
  • Patent number: 7742874
    Abstract: A method for configuring an electronic device comprising: (A) substantially continuously detecting motion of the electronic device using an initiating device disposed within the electronic device, the electronic device further comprising a position determining component, and a wireless communications component; (B) substantially continuously receiving at least one external radio signal by using an initially selected antenna of the position determining component; (C) if reception of at least one external radio signal is not optimized, using the antenna/power supply switch to switch radio signal path between the initially selected antenna and a subsequently selected antenna to optimize the reception of at least one external radio signal; and (D) using the wireless communications component to transmit the current status of the external/internal antenna to the position tracking station.
    Type: Grant
    Filed: May 6, 2006
    Date of Patent: June 22, 2010
    Assignee: Trimble Navigation Ltd.
    Inventors: Douglas B. Mayfield, Brian Abraham Jackson, Dennis Lee Workman
  • Patent number: 7715964
    Abstract: A method of operating a vehicle at a substantially low speed based on change in the vehicle position. The method comprises the following steps: (A) transforming a steering control algorithm into a substantially low speed (SLS) steering control algorithm, wherein the (SLS) steering control algorithm is configured to operate the vehicle in an asynchronous low speed mode; and (B) implementing the SLS steering control algorithm as a controller configured to operate the vehicle in the asynchronous low speed mode.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: May 11, 2010
    Assignee: Trimble Navigation, Ltd.
    Inventor: John Arnold Connally
  • Patent number: 7706976
    Abstract: A method of determining speed and heading of a rover/rover having one degree of freedom comprising the following steps: (A) determining a rover position coordinates using at least one source of a radio position measurements; (B) storing a set of statistically different rover points in a memory block, and (C) using a subset of rover points including a plurality of stored rover points and a current rover point to determine a speed and a heading of the rover. It is assumed that each rover point comprises a time Epoch and a rover position determined at time Epoch, and that each pair of statistically different rover points comprises two rover positions separated by a statistically significant distance.
    Type: Grant
    Filed: July 26, 2006
    Date of Patent: April 27, 2010
    Assignee: Trimble Navigation, Ltd.
    Inventor: John William Peake
  • Patent number: 7706056
    Abstract: A method of modulation terahertz radiation comprising: (A) generating Terahertz radiation by pumping nonequilibrium electrons into a Magnon Gain Medium (MGM), wherein propagation of nonequilibrium electrons in the MGM causes generation of nonequilibrium magnons, and wherein interaction between the nonequilibrium magnons causes generation of the Terahertz radiation; and (B) frequency modulating THz radiation generated in the MGM by applying longitudinal AC magnetic field, or by applying AC electrical field bias.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: April 27, 2010
    Assignee: Terahertz Technologies LLC
    Inventors: Yehiel Korenblit, Boris G. Tankhilevich