Patent application number | Description | Published |
20080317099 | Method and apparatus for signal carrier-to-noise power density ratio caculation - There is provided an apparatus for determining a carrier-to-noise power density ratio (CN | 12-25-2008 |
20080317101 | Method and apparatus for detecting lock status of a GPS signal - An apparatus for detecting lock status of a spread spectrum signal, having a first accumulator, a first calculation unit, a second calculation unit, a second accumulator, a multiplier and a comparator. The first accumulator accumulates an in-phase integration result and a quadrature integration result over a time period. The first calculation unit determines a first evaluation value based on the accumulated in-phase integration result and the accumulated quadrature integration result. The second calculation unit processes the in-phase integration result and the quadrature integration result. The second accumulator accumulates the output of the second calculation unit over the time period. The multiplier determines a second evaluation value by multiplying the accumulated result from the second accumulator with a predetermined value. The comparator compares the first and second evaluation results wherein the comparison result is an indicator of the lock status. | 12-25-2008 |
20090077297 | Method and system for dynamically reconfiguring PCIe-cardbus controllers - A method for configuring a computer system. The method includes allocating a first plurality of default resources to a plurality of devices of the computer system. Then a PCIe-CardBus controller in the computer system is reconfigured with a plurality of allocable resources that are available to the PCIe-CardBus controller. The method further comprises enumerating the plurality of devices of the computer system by an Operating System (OS) of the computer system for detecting a plurality of un-configured devices in the computer system. According to the enumeration, the OS allocates a second plurality of default resources to the plurality of un-configured devices. | 03-19-2009 |
20090150350 | Systems and methods of vehicle entertainment - In one embodiment, a vehicle-based entertainment system comprises a network connection unit and a vehicle-based processor. The vehicle-based processor is coupled between a user interface and the network connection unit. The vehicle-based processor provides a media file list to the user interface by searching at least one media file in the remote media source according to the keyword received from the user interface. The vehicle-based processor downloads and decodes at least one target media file selected from the media file list according to the selection command received from the user interface. The remote media source is accessed by the vehicle-based processor through the network connection unit. | 06-11-2009 |
20090254270 | System and method for tracking a path of a vehicle - A vehicle charge meter for tracking a path of a vehicle is described. The vehicle charge meter comprises a receiver, a memory, a local controller, and a receipt documentation device. The receiver, the memory, and the receipt documentation device are all coupled to the local controller. The receiver is used for receiving RF signals and extracting positioning data from the signals. The memory includes a database storing relationships between positioning data and toponyms. The local controller is then used for retrieving at least one toponym corresponding to the extracted positioning data. As such, the receipt documentation device can document the retrieved toponym in an electronic receipt or on a paper receipt. | 10-08-2009 |
20090295634 | Global positioning system receiver - A GPS receiver includes a demodulator for obtaining ephemeris data and almanac data from a navigation message sent by satellites, and includes a calculator. The calculator is used for calculating almanac correction parameters according to coordinate differences between ephemeris-based coordinates of the satellites and almanac-based coordinates of the satellites. The GPS receiver also includes a satellite position calculator for calculating the ephemeris-based coordinates of the satellites according to the ephemeris data, for calculating the almanac-based coordinates of the satellites according to the almanac data, and for calculating positions of the satellites according to the ephemeris data, the almanac data and the almanac correction parameters. | 12-03-2009 |
20100030470 | GLOBAL POSITIONING SYSTEM AND DEAD RECKONING (GPS&DR) INTEGRATED NAVIGATION SYSTEM - A global positioning system and dead reckoning (GPS&DR) integrated navigation system includes a GPS receiver coupled to a moving object for periodically generating GPS navigation information of said moving object, a DR system coupled to said moving object for periodically calculating DR navigation information of said moving object, and a filter coupled to said GPS receiver and said DR system for periodically calculating navigation information of said moving object, wherein said filter gets observation information by integrating said GPS navigation information and said DR navigation information according to a weight value of said GPS navigation information and a weight value of said DR navigation information, and calculates a current navigation information by integrating said observation information with previous navigation information from a plurality of previous cycles. | 02-04-2010 |
20100039322 | Signal Acquisition Systems With Applications Of General Clocks - A global positioning system (GPS) system includes a clock module for providing multiple counter values at multiple time points. The GPS system also includes a system module coupled to the clock module. The system module is capable of obtaining a time value for each time point according to a set of signals from a signal source. The system module is further capable of calculating a set of parameters based on the counter values and the time value for each time point, and determining an estimated time value based on the parameters and a present counter value from the clock module. | 02-18-2010 |
20100052984 | SYSTEMS AND METHODS FOR CONTROLLING A SATELLITE NAVIGATION RECEIVER - A satellite navigation receiver includes a processing unit, a clock generator, and a power management interface. The processing unit is operable for locating the satellite navigation receiver according to multiple satellite signals. The clock generator coupled to the processing unit is operable for providing a reference clock to the processing unit. The power management interface coupled to the processing unit and the clock generator is operable for switching the satellite navigation receiver in multiple operation states. The operation states include a sleep state in which the processing unit is powered off and the clock generator is powered on. | 03-04-2010 |
20100073230 | CALCULATING NAVIGATION SYSTEM TIME IN A SATELLITE NAVIGATION SYSTEM - A satellite navigation system receiver that includes a counter and a controlling unit is described. The counter may be driven by a reference clock signal having a reference clock frequency. The controlling unit can calculate a correction value indicative of a corrected reference clock frequency by comparing an increment of the counter values during a time period with an increment of the navigation system times during the time period. The controlling unit can generate a calculated navigation system time according to the correction value. | 03-25-2010 |
20100100320 | SYSTEMS AND METHODS FOR CONTROLLING A SATELLITE NAVIGATION RECEIVER - A satellite navigation receiver having multiple operation states includes a processing unit and a power management interface. The processing unit is operable for locating the satellite navigation receiver based on multiple satellite signals and operable for setting multiple time durations of the operation states respectively based on a velocity of the satellite navigation receiver. The power management interface coupled to the processing unit is operable for switching the satellite navigation receiver among the operation states according to the time durations. | 04-22-2010 |
20100118153 | APPARATUS AND METHODS FOR CONTROLLING IMAGE SENSORS - A camera controller includes a communication medium and a computer-readable medium. The communication medium is operable for enabling communications between a camera and a computer unit. The computer-readable medium is operable for storing a configuration data set indicative of settings of an image sensor of the camera and for storing a configuration module executed by the computer unit. The configuration module includes multiple computer-executable instructions for setting operation parameters of the image sensor according to the configuration data set via the communication medium. | 05-13-2010 |
20100118169 | APPARATUS AND METHODS FOR CONTROLLING IMAGE SENSORS - A computer-implemented method for controlling an image sensor includes loading an image file having data sets associated with multiple image sensors respectively, identifying the image sensor if identification data included in one of the data sets matches to the image sensor, and configuring the image sensor according to configuration data included in the data set matching to the image sensor. The identification data indicates an identity of the image sensor. The configuration data indicates operation parameters of the image sensor. | 05-13-2010 |
20100321528 | APPARATUS AND METHODS FOR CONTROLLING IMAGE SENSORS - A computer system has machine-readable instructions stored thereon. The instructions when executed cause the computer system to perform a method of controlling a camera system. The method includes accessing a first data set in an image file. The first data set includes identification data indicating an identity of an image sensor associated with a previous boot of the camera system and configuration data indicating operation parameters of the image sensor associated with the previous boot. The method further includes: determining whether a matching is found between the identification data and an image sensor associated with a current boot of the camera system; and setting the image sensor associated with the current boot based on the configuration data of the first data set if the matching is found. | 12-23-2010 |
20100332126 | INERTIAL NAVIGATION SYSTEM WITH ERROR CORRECTION BASED ON NAVIGATION MAP - An inertial navigation system with error correction based on a navigation map is disclosed herein. The inertial navigation system can include a trajectory calculator for calculating a position and an orientation of a moving object based on moving information of the moving object, an error correcting unit coupled to the trajectory calculator for correcting the position and the orientation of the moving object based on reference road information, and a storage unit coupled to the error correcting unit for storing geographical information of a road network and providing the reference road information according to the geographical information of the road network. | 12-30-2010 |
20110006946 | NAVIGATION SYSTEM WITH A SIGNAL PROCESSOR - A signal processor for processing multiple satellite signals is disclosed. The signal processor includes multiple acquisition channels operable for capturing tracking information from a first plurality of satellite signals synchronously according to multiple correlations between multiple reference coarse acquisition (C/A) codes and the first plurality of satellite signals. The signal processor further includes multiple code generators coupled to the acquisition channels and operable for generating the reference C/A codes to the acquisition channels | 01-13-2011 |
20110072168 | DATA TRANSFER SYSTEM WITH DIFFERENT OPERATING MODES - An electronic system includes an input/output (I/O) interface and a controller coupled to the I/O interface and a storage medium. The controller can select an operating mode from multiple operating modes based on a type of the storage medium. At least two of the operating modes have different data transfer rates. The controller can operate in the selected operating mode to transfer data between the I/O interface and the storage medium according to a data transfer rate of the selected operating mode. | 03-24-2011 |
20110125934 | APPARATUSES AND METHODS FOR TRANSFERRING DATA - An apparatus includes a socket, a computer-readable medium, and a controller. The socket is capable of interfacing with different types of storage medium. The computer-readable medium is operable for storing a computer-executable universal driver associated with a first operation mode and compatible with each of the types of storage medium, and for storing a computer-executable dedicated driver associated with a second operation mode and compatible with only a subset of the types of storage medium. The controller is operable for selecting a selected driver from the universal driver and the dedicated driver if a storage medium is inserted into the socket and for operating in a corresponding operation mode to exchange data information with the storage medium according to the selected driver. The selected driver includes the dedicated driver if the storage medium is a member of the subset and otherwise the selected driver includes the universal driver. | 05-26-2011 |
20110185402 | ACCESS CONTROL SYSTEM - A key for a user can be created according to at least one first image of the user. The key can be verified with at least one second image of the user captured after the key is created. A visitor can be authenticated according to a first measure of similarity between the key and at least one authentication image of the visitor. The visitor is authenticated as the user if the first measure of similarity is greater than a first predetermined threshold. The key can be refined with the at least one authentication image of the visitor if the first measure of similarity is lower than the first predetermined threshold and the visitor is authenticated as the user based on a password. | 07-28-2011 |
20120026342 | ELECTRONIC SYSTEM COMMUNICATING WITH IMAGE SENSOR - A system includes a serial input/output (I/O) interface, a second I/O interface and a controller. The controller is coupled to an image sensor by the serial I/O interface and is coupled to a signal processor of a computer by the second I/O interface and can transfer image data input acquired by the image sensor to the signal processor. The signal processor can process the image data input. | 02-02-2012 |
20120033101 | APPARATUS AND METHODS FOR CONTROLLING IMAGE SENSORS - A computer system has machine-readable instructions stored thereon. The instructions when executed cause the computer system to perform a method of controlling a camera system. The method includes accessing a first data set in an image file. The first data set includes identification data indicating an identity of an image sensor associated with a previous boot of the camera system and configuration data indicating operation parameters of the image sensor associated with the previous boot. The method further includes: determining whether a matching is found between the identification data and an image sensor associated with a current boot of the camera system; and setting the image sensor associated with the current boot based on the configuration data of the first data set if the matching is found. | 02-09-2012 |