| Patent Number |
Title Of Patent |
Date Issued |
| 7257417 |
Method for determining a change in a communication signal and using this information to improve |
August 14, 2007 |
| Methods and apparatuses for determining a position of a mobile satellite positioning system (SPS) receiver which is coupled to a communication receiver or transceiver. In one exemplary method, a change in a communication signal received by the communication receiver is determined. A |
| 6816710 |
Method and apparatus for signal processing in a satellite positioning system |
November 9, 2004 |
| A method and apparatus for processing satellite positioning system (SPS) signals which are weak in level. In one embodiment, a SPS receiver receives at least two signal samples representing, at least in part, common information, wherein the two signal samples are associated with one |
| 6799050 |
Reducing cross-interference in a combined GPS receiver and communication system |
September 28, 2004 |
| A method of operating a mobile device is disclosed. A first activity of the mobile device is detected. The following two operations are executed upon detection of the first activity: (i) wireless transmission of data over a wireless data link from a communication unit of the mobile devic |
| 6724807 |
Methods and apparatuses for processing of global positioning system signals with a matched filte |
April 20, 2004 |
| Methods and apparatuses for processing Satellite Positioning System (SPS) signals. In one exemplary method, a first set of frequency coefficients, which corresponds to a first Doppler frequency of an SPS signal, is determined, and said SPS signal is processed in a matched filter with the |
| 6677894 |
Method and apparatus for providing location-based information via a computer network |
January 13, 2004 |
| Methods and apparatuses for distributing location-based information (i.e., information specific to a client's location or a location of interest to the client) to a client, which may be a mobile SPS receiver, via the Internet and in particular, the World-Wide Web. The client provides |
| 6597311 |
Method and apparatus for determining time in a satellite positioning system |
July 22, 2003 |
| A method and apparatus for determining a reference time associated with a satellite positioning system. In turn, the reference time, in one embodiment, may be used to determine other navigational information. Such navigational information may include, for example, the location/position |
| 6583757 |
Method and apparatus for satellite positioning system (SPS) time measurement |
June 24, 2003 |
| A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first |
| 6542821 |
GPS receiver and method for processing GPS signals |
April 1, 2003 |
| A global positioning system (GPS) receiver has first circuitry for receiving and processing pseudorandom sequences transmitted by a number of GPS satellites. The first circuitry is configured to perform conventional correlation operations on the received pseudorandom sequences to determi |
| 6433734 |
Method and apparatus for determining time for GPS receivers |
August 13, 2002 |
| A method and apparatus of determining the time for a global positioning system receiver is disclosed. Timing signals derived from a communication system, such as cellular phone transmission signals, are received by a GPS receiver and decoded to provide accurate time information. The timi |
| 6433731 |
Method and apparatus for determining time in a satellite positioning system |
August 13, 2002 |
| A method and apparatus for determining a reference time associated with a satellite positioning system. In turn, the reference time, in one embodiment, may be used to determine other navigational information. Such navigational information may include, for example, the location/position |
| 6421002 |
GPS receiver utilizing a communication link |
July 16, 2002 |
| Methods and apparatuses for deriving an approximate Doppler for a satellite positioning system (SPS) receiver from an approximate location which is obtained from a cellular communication system information source. In one embodiment, an approximate location of the SPS receiver is derived |
| 6411254 |
Satellite positioning reference system and method |
June 25, 2002 |
| Methods and apparatuses which use satellite position system (SPS) reference receivers. In one example of the invention, a plurality of SPS reference receivers, such as Global Positioning System (GPS) reference receivers, each having a known position, are dispersed over a geographical reg |
| 6408196 |
Method and apparatus for providing reserve power in a cellular telephone |
June 18, 2002 |
| Reserve power is provided in a portable cellular transceiver comprising a Global Positioning System (GPS) receiver by monitoring a power level of a battery of the portable cellular transceiver using a power detection circuit. A comparator circuit determines whether the power level of the |
| 6377209 |
Method and apparatus for satellite positioning system (SPS) time measurement |
April 23, 2002 |
| A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first |
| 6314308 |
Method and apparatus for providing reserve power in a cellular telephone |
November 6, 2001 |
| Reserve power is provided in a portable cellular transceiver comprising a Global Positioning System (GPS) receiver by monitoring a power level of a battery of the portable cellular transceiver using a power detection circuit. A comparator circuit determines whether the power level of the |
| 6313786 |
Method and apparatus for measurement processing of satellite positioning system (SPS) signals |
November 6, 2001 |
| A method and apparatus is disclosed for measurement processing of Satellite Positioning System (SPS) signals. A plurality of SPS signals from a corresponding plurality of SPS satellites are received in an SPS receiver. The signal environment corresponding to the location in which the SPS |
| 6307504 |
Method and system for using altitude information in a satellite positioning system |
October 23, 2001 |
| A method and apparatus for determining a position of a mobile satellite positioning system (SPS) receiver. In one example of a method, a cell object information is determined; this cell object information comprises at least one of a cell object location or a cell object identification. A |
| 6289041 |
Fast Acquisition, high sensitivity GPS receiver |
September 11, 2001 |
| A method and apparatus of acquiring and tracking global positioning system signals with fast acquisition speed and high sensitivity is disclosed. A pseudo-random noise matching filter operation is performed on a sample of global positioning system signals to provide a current matched fil |
| 6272430 |
GPS receiver and method for processing GPS signals |
August 7, 2001 |
| A global positioning system (GPS) receiver has first circuitry for receiving and processing pseudorandom sequences transmitted by a number of GPS satellites. The first circuitry is configured to perform conventional correlation operations on the received pseudorandom sequences to determi |
| 6259399 |
GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
July 10, 2001 |
| A GPS receiver having multiple GPS antennas. Also described is a method of tracking employing the GPS receiver and a communication transmitter. Also described is a garment having a GPS receiver and a GPS antenna and a communication antenna and a communication transmitter. |
| 6239742 |
Method and apparatus for satellite positioning system based time measurement |
May 29, 2001 |
| A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first |
| 6236354 |
Reducing satellite signal interference in a global positioning system receiver |
May 22, 2001 |
| A method and apparatus is disclosed for reducing cross-interference between received satellite signals in a satellite positioning system receiver. A satellite positioning receiver receives satellite signals from a plurality of satellites. Spurious signals when processing a weak received |
| 6215442 |
Method and apparatus for determining time in a satellite positioning system |
April 10, 2001 |
| A method and apparatus for determining a reference time associated with a satellite positioning system. In turn, the reference time, in one embodiment, may be used to determine other navigational information. Such navigational information may include, for example, the location/position |
| 6215441 |
Satellite positioning reference system and method |
April 10, 2001 |
| Methods and apparatuses which use satellite position system (SPS) reference receivers. In one example of the invention, a plurality of SPS reference receivers, such as Global Positioning System (GPS) reference receivers, each having a known position, are dispersed over a geographical reg |
| 6208291 |
Highly parallel GPS correlator system and method |
March 27, 2001 |
| A method and apparatus of acquiring and tracking satellite positioning system signals in a highly parallel correlator disclosed. A pseudo-random noise correlation operation is performed on an input satellite positioning system signal to provide a correlated output. The input satellite |
| 6208290 |
GPS receiver utilizing a communication link |
March 27, 2001 |
| Methods and apparatuses for deriving an approximate Doppler for a satellite positioning system (SPS) receiver from an approximate location which is obtained from a cellular communication system information source. In one embodiment, an approximate location of the SPS receiver is derived |
| 6185427 |
Distributed satellite position system processing and application network |
February 6, 2001 |
| A system and method for processing in a distributed manner satellite position system (SPS) information. In one example of the invention, a first mobile SPS receiver receives SPS signals from a plurality of SPS satellites and transmits a position information to a wireless cell based s |
| 6150980 |
Method and apparatus for determining time for GPS receivers |
November 21, 2000 |
| A method and apparatus of determining the time for a global positioning system receiver is disclosed. Timing signals derived from a communication system, such as cellular phone transmission signals, are received by a GPS receiver and decoded to provide accurate time information. The timi |
| 6133874 |
Method and apparatus for acquiring satellite positioning system signals |
October 17, 2000 |
| A method and an apparatus which acquire satellite positioning system (SPS) signals in an SPS receiver. Information on time of day, approximate receiver location, and satellite positions are used to reduce the time to search and acquire signals from one or more SPS satellites. In an examp |
| 6133871 |
GPS receiver having power management |
October 17, 2000 |
| A GPS receiver having a low power mode of operation in one embodiment includes an antenna which receives GPS signals at an RF frequency from in view satellites; a downconverter coupled to the antenna for reducing the RF frequency of the received GPS signals to an intermediate frequency |
| 6131067 |
Client-server based remote locator device |
October 10, 2000 |
| A user accesses a server using a client. The client provides an identification code which serves to uniquely identify a remote sensor. The remote sensor is capable of providing information related to its position. The server interrogates the remote sensor and, in response, the remote |
| 6111540 |
Combined GPS positioning system and communications system utilizing shared circuitry |
August 29, 2000 |
| A combined GPS and communication system having shared circuitry. The combined system includes an antenna for receiving data representative of GPS signals, a frequency converter coupled to the antenna, a frequency synthesizer coupled to the frequency converter, an analog to digital co |
| 6107960 |
Reducing cross-interference in a combined GPS receiver and communication system |
August 22, 2000 |
| A method and apparatus is disclosed for reducing cross-interference in a combined satellite positioning system receiver and communication transceiver device. A control signal is transmitted from the communication transceiver to the satellite positioning system receiver when the commu |
| 6104340 |
GPS receiver and method for processing GPS signals |
August 15, 2000 |
| A global positioning system (GPS) receiver has first circuitry for receiving and processing pseudorandom sequences transmitted by a number of GPS satellites. The first circuitry is configured to perform conventional correlation operations on the received pseudorandom sequences to determi |
| 6104338 |
Method and apparatus for operating a satellite positioning system receiver |
August 15, 2000 |
| A method and an apparatus for operating a satellite positioning system (SPS) receiver in a client/server architecture. In one example of a method, a first plurality of pseudoranges is determined at a first time and a second plurality of pseudoranges is determined at a second time whi |
| 6064336 |
GPS receiver utilizing a communication link |
May 16, 2000 |
| A precision carrier frequency signal for calibrating a local oscillator of a GPS receiver which is used to acquire GPS signals. The precision carrier frequency signal is used to calibrate the local oscillator such that the output of the local oscillator, which is used to acquire GPS sign |
| 6061018 |
Method and system for using altitude information in a satellite positioning system |
May 9, 2000 |
| A method and apparatus for determining a position of a mobile satellite positioning system (SPS) receiver. In one example of a method, a cell object information is determined; this cell object information comprises at least one of a cell object location or a cell object identification. A |
| 6052081 |
Method and apparatus for satellite positioning system based time measurement |
April 18, 2000 |
| A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first |
| 6016119 |
Method and apparatus for determining the location of an object which may have an obstructed view |
January 18, 2000 |
| A positioning sensor receives and stores a predetermined record length of positioning signals while in a fix position located such that the positioning sensor can receive positioning signals. Thereafter, the stored positioning signals are processed to determine the geographic location of |
| 6002363 |
Combined GPS positioning system and communications system utilizing shared circuitry |
December 14, 1999 |
| A combined GPS and communication system having shared circuitry. The combined system includes an antenna for receiving data representative of GPS signals, a frequency converter coupled to the antenna, a frequency synthesizer coupled to the frequency converter, an analog to digital co |
| 5999124 |
Satellite positioning system augmentation with wireless communication signals |
December 7, 1999 |
| A method and apparatus for processing position information from satellite positioning system satellites and from cellular based communication signals. In one example of a method according to the invention, a SPS receiver receives SPS signals from at least one SPS satellite. This SPS |
| 5945944 |
Method and apparatus for determining time for GPS receivers |
August 31, 1999 |
| A method and apparatus of determining the time for a global positioning system receiver is disclosed. Timing signals derived from a communication system, such as cellular phone transmission signals, are received by a GPS receiver and decoded to provide accurate time information. The timi |
| 5884214 |
GPS receiver and method for processing GPS signals |
March 16, 1999 |
| A global positioning system (GPS) receiver has first circuitry for receiving and processing pseudorandom sequences transmitted by a number of GPS satellites. The first circuitry is configured to perform conventional correlation operations on the received pseudorandom sequences to determi |
| 5874914 |
GPS receiver utilizing a communication link |
February 23, 1999 |
| A GPS receiver in one embodiment includes an antenna which receives GPS signals at an RF frequency from in view satellites; a downconverter coupled to the antenna for reducing the RF frequency of the received GPS signals to an intermediate frequency (IF); a digitizer coupled to the d |
| 5841396 |
GPS receiver utilizing a communication link |
November 24, 1998 |
| A precision carrier frequency signal for calibrating a local oscillator of a GPS receiver which is used to acquire GPS signals. The precision carrier frequency signal is used to calibrate the local oscillator such that the output of the local oscillator, which is used to acquire GPS sign |
| 5831574 |
Method and apparatus for determining the location of an object which may have an obstructed view |
November 3, 1998 |
| A positioning sensor receives and stores a predetermined record length of positioning signals while in a fix position located such that the positioning sensor can receive positioning signals. Thereafter, the stored positioning signals are processed to determine the geographic location of |
| 5825327 |
GPS receivers and garments containing GPS receivers and methods for using these GPS receivers |
October 20, 1998 |
| A GPS receiver having multiple GPS antennas. Also described is a method of tracking employing the GPS receiver and a communication transmitter. Also described is a garment having a GPS receiver and a GPS antenna and a communication antenna and a communication transmitter. |
| 5812087 |
Method and apparatus for satellite positioning system based time measurement |
September 22, 1998 |
| A method and apparatus for measuring time related to satellite data messages which are used with satellite positioning systems (SPS). In one method, a first record of at least a portion of a satellite data message is received at an entity, which is typically a basestation. The first |
| 5781156 |
GPS receiver and method for processing GPS signals |
July 14, 1998 |
| A GPS receiver in one embodiment includes an antenna which receives GPS signals at an RF frequency from in view satellites; a downconverter coupled to the antenna for reducing the RF frequency of the received GPS signals to an intermediate frequency (IF); a digitizer coupled to the d |
