Patent application number | Description | Published |
20080218401 | GNSS sample processor for determining the location of an event - A digital camera for providing a short burst of global navigation satellite system (GNSS) signal samples in a picture data file with an approximate time for reading by a computer apparatus some time later for determining the geographical location and an accurate time of the picture. An apparatus and method for determining a GNSS position of an event where an event capture device writes a short burst of GNSS signal samples with an approximate time into an event data file and a GNSS sample processor reads the event data file some time later for determining the geographical location and an accurate time of the event. | 09-11-2008 |
20080218407 | Digital camera with GNSS picture location determination - A digital camera for providing a short burst of global navigation satellite system (GNSS) signal samples in a picture data file with an approximate time for reading by a computer apparatus some time later for determining the geographical location and an accurate time of the picture. An apparatus and method for determining a GNSS position of an event where an event capture device writes a short burst of GNSS signal samples with an approximate time into an event data file and a GNSS sample processor reads the event data file some time later for determining the geographical location and an accurate time of the event. | 09-11-2008 |
20090256744 | CIRCUIT FOR EXCLUSION ZONE COMPLIANCE - 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. | 10-15-2009 |
20090285268 | Signal receiver using data bit search in alternating time segments - A GNSS receiver and method using alternating “A” and “B” time segments for a reception time length of two or more data bits. The GNSS signal in an “A” time period comprising the “A” time segments is integrated for determining “A” magnitudes corresponding to code phase increments and the GNSS signal in a “B” time period comprising the “B” time segments is integrated for determining “B” magnitudes corresponding to code phase increments. A trial-and-error data bit search is performed for depolarizing data bit senses. The code phase increment showing the largest correlation level is used for acquisition of the GNSS signal and/or determination of the location where the GNSS is being received. | 11-19-2009 |
20090309793 | Acceleration compensated inclinometer - An inclinometer using a speedometer and a forward-looking accelerometer for measuring inclination angle. | 12-17-2009 |
20090312975 | Forward-looking altitude detector - An altitude dead reckoning system using a speedometer and a forward-looking accelerometer for measuring changes in altitude. | 12-17-2009 |
20100283681 | Autonomous projection of global navigation satellite orbits - In a method of autonomous orbit projection performed within a Global Navigation Satellite System (GNSS) receiver, distinct broadcast orbits are received over time from a GNSS satellite during operation of the GNSS receiver. A plurality of the distinct broadcast orbits are stored within the GNSS receiver. Within the GNSS receiver, a plurality of the stored broadcast orbits are converted into a time series of range data for the GNSS satellite. A projected orbit for the GNSS satellite is determined by utilizing the time series of range data as an input to an orbit projector of the GNSS receiver. | 11-11-2010 |
20110077898 | Altimeter with calibration - An altitude dead reckoning system using measurements of forward velocity, forward acceleration, and yaw angle rate to determine changes in altitude with automatic calibration of an accelerometer bias. | 03-31-2011 |
20110081020 | TERRESTIAL-SIGNAL BASED EXCLUSION ZONE COMPLIANCE - An exclusion zone compliance circuit comprises a terrestrial radio signal reception component for receiving a terrestrial radio signal comprising a unique identification of a transmission source. A non-volatile memory component of the circuit stores an encrypted data set describing boundaries of an exclusion zone. A navigation data deriving component of the circuit accesses a data set and compares the unique identification with a station identification of the transmission source and the geographic position of the transmission source. The navigation data deriving component derives a geographic position of the exclusion zone compliance circuit and determines whether the exclusion zone compliance circuit is located within an exclusion zone. A data blocking component of the circuit accesses the encrypted data set. A data control component of the exclusion zone compliance circuit blocks output of a signal in response to an indication that the circuit is located within an exclusion zone. | 04-07-2011 |
20130220010 | Smart-phone bracket for car and truck navigation - Inertial navigation systems for wheeled vehicles with constrained motion degrees of freedom are described. Various parts of the navigation systems may be implemented in a smart-phone. | 08-29-2013 |
20140240170 | POSITION DETERMINATION OF A CELLULAR DEVICE USING CARRIER PHASE SMOOTHING - A Global Navigation Satellite System (GNSS) chipset embedded within the cellular device is accessed. The GNSS chipset calculates raw observables that include raw pseudoranges and carrier phase information. The raw observables are extracted from the GNSS chipset for processing elsewhere in the cellular device outside of the GNSS chipset. Smoothed pseudoranges are provided by smoothing the raw pseudoranges based on the carrier phase information. The accessing, the extracting and the providing are performed by one or more hardware processors located in the cellular device and outside of the GNSS chipset. | 08-28-2014 |
20140253375 | LOCALLY MEASURED MOVEMENT SMOOTHING OF POSITION FIXES BASED ON EXTRACTED PSEUDORANGES - A Global Navigation Satellite System (GNSS) chipset embedded within the cellular device is accessed. The GNSS chipset calculates raw pseudoranges. The raw pseudoranges are extracted from the GNSS chipset for processing elsewhere in the cellular device outside of the GNSS chipset. A position fix is determined based on the raw pseudoranges. Locally measured cellular device movement information is obtained from at least one sensor that is in a known physical relationship with the cellular device. The locally measured cellular device movement information is applied to the position fix. | 09-11-2014 |
20140292569 | GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER SYSTEM WITH RADIO FREQUENCY HARDWARE COMPONENT - A stand-alone radio frequency (RF) hardware component comprises first and second antennas, a digitizer, a serializer, and a serial output. The first antenna receives, over-the-air, a first analog Global Navigation Satellite System (GNSS) signal in a first frequency band. The second antenna receives, over-the-air, at least a second analog GNSS signal in a second frequency band, wherein the first frequency band and the second frequency band are separate and distinct. The digitizer digitizes the first analog GNSS signal into a first digitalized GNSS signal and digitizes the second analog GNSS signal into a second digitized GNSS signal. The serializer serializes the digitized GNSS signals into a serialized output signal. The serial output communicatively couples the digitized GNSS signals, as the serialized output signal, directly from the RF hardware component to a communication device that is removably couplable with the stand-alone RF hardware component. | 10-02-2014 |
20140292570 | VEHICLE-BASED GLOBAL NAVIGATION SATELLITE SYSTEM RECEIVER SYSTEM WITH RADIO FREQUENCY HARDWARE COMPONENT - A vehicle-based radio frequency (RF) hardware component comprises first and second antennas, a digitizer, a serializer, and a serial output. The first antenna receives, over-the-air, a first analog Global Navigation Satellite System (GNSS) signal in a first frequency band. The second antenna receives, over-the-air, at least a second analog GNSS signal in a second frequency band, wherein the first frequency band and the second frequency band are separate and distinct. The digitizer digitizes the first analog GNSS signal into a first digitalized GNSS signal and digitizes the second analog GNSS signal into a second digitized GNSS signal. The serializer serializes the digitized GNSS signals into a serialized output signal. The serial output communicatively couples the digitized GNSS signals, as the serialized output signal, directly from a location in a vehicle of the radio frequency hardware component to a separate communication device that is also coupled with the vehicle. | 10-02-2014 |
20140375493 | LOCALLY MEASURED MOVEMENT SMOOTHING OF GNSS POSITION FIXES - A method of improving position determination of a device using locally measured movement. A first position fix of a Global Navigation Satellite System (GNSS) receiver system of a device is accessed. A second position fix of the GNSS receiver system is accessed at a time subsequent to the first position fix. Locally measured device movement information is obtained from at least one sensor, that is in a known physical relationship to the device, for a time period after the first position fix and no later than the second position fix, wherein the at least one sensor comprises an image capture device. The quality of measurement of the second position fix is improved by disciplining the second position fix based on the locally measured device movement information. | 12-25-2014 |
20140378170 | DEAD RECONING SYSTEM BASED ON LOCALLY MEASURED MOVEMENT - A Global Navigation Satellite System (GNSS) chipset embedded within the cellular device is accessed. The GNSS chipset calculates raw pseudoranges. The raw pseudoranges are extracted from the GNSS chipset for processing elsewhere in the cellular device outside of the GNSS chipset. A position fix is calculated based on the raw pseudoranges. At a first point in time, a first image, and at a second point in time, a second image are obtained with an image capturing device that is in a known physical relationship with the cellular device. An estimate of a distance that the cellular device moved from the first point in time to the second point in time is calculated by processing image data collected from the first point in time to the second point in time. The position fix is processed based on the estimate of the distance. | 12-25-2014 |
20140378171 | CONCURRENT DUAL PROCESSING OF PSEUDORANGES WITH CORRECTIONS - A first process and a second process are executed concurrently by one or more hardware processors located in the cellular device and outside of a Global Navigation Satellite System (GNSS) chipset embedded in the cellular device. The first process determines a first set of one or more position fixes based on extracted raw pseudorange information. The second process determines carrier phase smoothed pseudoranges based on carrier phase information and determines a second set of one or more position fixes based on the carrier phase smoothed pseudoranges. One or more of the first set of position fixes are provided to a user while a predetermined amount of carrier phase information is not available for performing carrier phase smoothing. One or more of the second set of position fixes are provided to the user while a predetermined amount of carrier phase information is available for performing carrier phase smoothing. | 12-25-2014 |
20150043012 | EXTERNAL ELECTRONIC DISTANCE MEASUREMENT ACCESSORY FOR A MOBILE DATA COLLECTION PLATFORM - A known fixed relationship is maintained between an external electronic distance measurement accessory and a mobile data collection platform that are physically coupled together. A light beam axis of the external electronic distance measurement accessory is parallel with an optical axis of an entrance pupil of the mobile data collection platform. The external electronic distance measurement accessory integrates with the mobile data collection platform. The external electronic distance measurement accessory receives control instructions from the mobile data collection platform. | 02-12-2015 |
20150045058 | PERFORMING DATA COLLECTION BASED ON INTERNAL RAW OBSERVABLES USING A MOBILE DATA COLLECTION PLATFORM - An image that includes a point of interest is captured using an image capturing device that is part of the mobile data collection platform. Raw observables are obtained from a GNSS chipset that is internal to the mobile data collection platform. A position fix of the mobile data collection platform is determined based on the raw observables where the position fix defines a location of an antenna. A location of an entrance pupil is calculated as an offset of the location of the antenna. Orientation information comprising a tilt angle and an azimuth angle is determined. The position fix and the orientation information are associated with a three dimensional location that the mobile data collection platform is at when the image was captured. Scale information is captured. The image, the position fix, the scale information, and the orientation information are stored in hardware memory of the mobile data collection platform. | 02-12-2015 |
20150045059 | PERFORMING DATA COLLECTION BASED ON EXTERNAL RAW OBSERVABLES USING A MOBILE DATA COLLECTION PLATFORM - An image that includes a point of interest is captured using an image capturing device that is an integral part of the mobile data collection platform. Raw observables are obtained from a GNSS raw observables provider that is external to and coupled with the mobile data collection platform. A position fix of the mobile data collection platform is determined based on the raw observables where the position fix is a location of an antenna. A location of an entrance pupil is calculated as an offset from the location of the antenna. Orientation information comprising a tilt angle and an azimuth angle is determined. The position fix and the orientation information are associated with a three dimensional location of the mobile data collection platform when the image was captured. Scale information is captured. The image, the position fix, the scale information, and the orientation information are stored in hardware memory of the mobile data collection platform. | 02-12-2015 |
20150050907 | COLLECTING EXTERNAL ACCESSORY DATA AT A MOBILE DATA COLLECTION PLATFORM THAT OBTAINS RAW OBSERVABLES FROM AN INTERNAL CHIPSET - External accessory data is collected at a mobile data collection platform (MDCP) provided by an external accessory of the MDCP. An image that includes a point of interest is captured using an image capturing device integral to the MDCP. Raw observables are obtained from a GNSS chipset internal to the MDCP. An position fix of the MDCP defines the location of an antenna and is determined based on the raw observables. An entrance pupil location is calculated as an offset off the antenna location. Orientation information comprising a tilt angle and an azimuth angle is determined. The position fix and orientation information are associated with a three dimensional location that the MDCP is at when the image was captured. External accessory data is received from an accessory external to the MDCP. The image, position fix, orientation information and external accessory data are stored in hardware memory of the MDCP. | 02-19-2015 |
20150057028 | COLLECTING EXTERNAL ACCESSORY DATA AT A MOBILE DATA COLLECTION PLATFORM THAT OBTAINS RAW OBSERVABLES FROM AN EXTERNAL GNSS RAW OBSERVABLE PROVIDER - External accessory data is collected at a mobile data collection platform provided by an external accessory of the mobile data collection platform. An image that includes a point of interest is captured by an image capturing device that is an integral part of the mobile data collection platform performs. Raw observables are obtained from an external GNSS raw observable provider that is separate from and outside of the mobile data collection platform. A position fix of the mobile data collection platform is determined based on the raw observable. Orientation information comprising a tilt angle and an azimuth angle is determined. External accessory data is received from an accessory that is external to the mobile data collection platform. The image, the position fix, the orientation information and the external accessory data are stored in hardware memory of the mobile data collection platform. | 02-26-2015 |