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...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8185129 | System and method of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning device Systems and methods of passive and active scanning of WLAN-enabled access points to estimate position of a WLAN positioning device. A device estimates the position of itself. The device includes a WLAN radio module for receiving WLAN signals, extraction logic for ex... | 05/22/2012 |
| 8155673 | Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system A method for estimating position using WLAN access point radio propagation characteristics in a WLAN location based service is provided. A location-based services system has a plurality of Wi-Fi access points in a target area. The Wi-Fi access points are positioned ... | 04/10/2012 |
| 8155666 | Methods and systems for determining location using a cellular and WLAN positioning system by selecting the best cellular positioning system solution The present disclosure relates to systems and methods for determining the location of a WLAN and cellular position system enabled device using a WLAN position estimate to select the best cellular positioning system location. The method can include estimating a posit... | 04/10/2012 |
| 8154454 | Systems and methods for using a satellite positioning system to detect moved WLAN access points The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local area network based positioning system (WLAN-PS) and a satellite-based po... | 04/10/2012 |
| 8144673 | Method and system for employing a dedicated device for position estimation by a WLAN positioning system Methods and systems of employing a dedicated device for position estimation by a WLAN-based positioning system. A device estimates the position of itself in response to gathering wireless signal information from WLAN access points (APs). The device includes a receiv... | 03/27/2012 |
| 8140094 | Continuous data optimization of new access points in positioning systems Methods and systems of continuously optimizing data in WiFi positioning systems. A location-based services system uses WiFi-enabled devices to monitor WiFi access points in a target area to indicate whether a WiFi access point is newly-observed. A WiFi-enabled devic... | 03/20/2012 |
| 8130148 | System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system This disclosure describes a system and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system. In some embodiments, the method can include detecting WLAN APs in range of the WLAN and satellite enabled device, obta... | 03/06/2012 |
| 8103288 | Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimations A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals ... | 01/24/2012 |
| 8090386 | Estimation of speed and direction of travel in a WLAN positioning system A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals ... | 01/03/2012 |
| 8089399 | System and method for refining a WLAN-PS estimated location using satellite measurements in a hybrid positioning system This disclosure describes a system and method for refining a WLAN-PS estimated location using satellite measurements. In some embodiments, the disclosure relates to a method of determining the location of a WLAN and satellite enabled device by using two or more sate... | 01/03/2012 |
| 8089398 | Methods and systems for stationary user detection in a hybrid positioning system This disclosure describes methods and systems for stationary user detection in a hybrid location system. In some embodiments, the method for determining whether a satellite enabled device is stationary by measuring the Doppler frequency of received satellite signals... | 01/03/2012 |
| 8063820 | Methods and systems for determining location using a hybrid satellite and WLAN positioning system by selecting the best SPS measurements The disclosed subject matter generally relates to hybrid positioning systems and methods, more specifically, systems and methods of integrating a wireless local area network (WLAN) based positioning system (WLAN-PS) and a satellite positioning system (SPS) to improv... | 11/22/2011 |
| 8054219 | Systems and methods for determining position using a WLAN-PS estimated position as an initial position in a hybrid positioning system This disclosure describes a method and system for determining position using a WLAN-PS estimated position as an initial position. In some embodiments, the method can include calculating a WLAN position estimate of the WLAN and satellite enabled device and using the ... | 11/08/2011 |
| 8031657 | Server for updating location beacon database A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 10/04/2011 |
| 8022877 | Systems and methods for using a satellite positioning system to detect moved WLAN access points The disclosed subject matter generally relates to hybrid positioning systems and methods and, more specifically, systems and methods of detecting moved WLAN assess points using a wireless local area network based positioning system (WLAN-PS) and a satellite-based po... | 09/20/2011 |
| 8019357 | System and method for estimating positioning error within a WLAN-based positioning system The invention features a method of estimating an expected error of a position estimate for use in a WLAN positioning system that estimates the position of a WLAN-enabled device. The WLAN-enabled device receives signals transmitted by a WLAN access point in range of ... | 09/13/2011 |
| 8014788 | Estimation of speed of travel using the dynamic signal strength variation of multiple WLAN access points A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals ... | 09/06/2011 |
| 7999742 | System and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system This disclosure describes a system and method for using a satellite positioning system to filter WLAN access points in a hybrid positioning system. In some embodiments, the method can include detecting WLAN APs in range of the WLAN and satellite enabled device, obta... | 08/16/2011 |
| 7916661 | Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system A method for estimating position using WLAN access point radio propagation characteristics in a WLAN location based service is provided. A location-based services system has a plurality of Wi-Fi access points in a target area. The Wi-Fi access points are positioned ... | 03/29/2011 |
| 7856234 | System and method for estimating positioning error within a WLAN-based positioning system The invention features a method of estimating an expected error of a position estimate for use in a WLAN positioning system that estimates the position of a WLAN-enabled device. The WLAN-enabled device receives signals transmitted by a WLAN access point in range of ... | 12/21/2010 |
| 7835754 | Estimation of speed and direction of travel in a WLAN positioning system A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals ... | 11/16/2010 |
| 7818017 | Location-based services that choose location algorithms based on number of detected wireless signal stations within range of user device A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 10/19/2010 |
| 7769396 | Location-based services that choose location algorithms based on number of detected access points within range of user device A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 08/03/2010 |
| 7768963 | System and method of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device Systems and methods of improving sampling of WLAN packet information to improve estimates of Doppler frequency of a WLAN positioning device. A device estimates the position of itself. The device includes a WLAN radio module for receiving WLAN signals transmitted by ... | 08/03/2010 |
| 7551929 | Estimation of speed and direction of travel in a WLAN positioning system using multiple position estimations A method for estimating the speed and bearing of a Wi-Fi enabled device using WLAN radio signals in a WLAN based location service is provided. A method used to estimate a speed of travel of a Wi-Fi enabled device comprises the Wi-Fi enabled device receiving signals ... | 06/23/2009 |
| 7551579 | Calculation of quality of wlan access point characterization for use in a wlan positioning system Methods and systems for classifying WLAN access points according to the quality of estimation of characteristics of the WLAN access points are provided. The classifications may be used to scale a reference database and quantify an expected error of estimation of the... | 06/23/2009 |
| 7515578 | Estimation of position using WLAN access point radio propagation characteristics in a WLAN positioning system A method for estimating position using WLAN access point radio propagation characteristics in a WLAN location based service is provided. A location-based services system has a plurality of Wi-Fi access points in a target area. The Wi-Fi access points are positioned ... | 04/07/2009 |
| 7493127 | Continuous data optimization of new access points in positioning systems Methods and systems of continuously optimizing data in WiFi positioning systems. A location-based services system uses WiFi-enabled devices to monitor WiFi access points in a target area to indicate whether a WiFi access point is newly-observed. A WiFi-enabled devic... | 02/17/2009 |
| 7474897 | Continuous data optimization by filtering and positioning systems Methods and systems of continuously optimizing data in WiFi positioning systems. A location-based services system for WiFi-enabled devices calculates the position of WiFi-enabled devices. A WiFi-enabled device communicates with WiFi access points within range of the... | 01/06/2009 |
| 7471954 | Methods and systems for estimating a user position in a WLAN positioning system based on user assigned access point locations A method of estimating a location of a WLAN-enabled user-device in a WLAN-based positioning system is provided. The WLAN-enabled device receives signals transmitted by WLAN-enabled access points in range of the WLAN-enabled user-device so that observed WLAN-enabled ... | 12/30/2008 |
| 7433694 | Location beacon database A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 10/07/2008 |
| 7414988 | Server for updating location beacon database A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 08/19/2008 |
| 7403762 | Method and system for building a location beacon database A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 07/22/2008 |
| 7305245 | Location-based services that choose location algorithms based on number of detected access points within range of user device A location beacon database and server, method of building location beacon database, and location based service using same. Wi-Fi access points are located in a target geographical area to build a reference database of locations of Wi-Fi access points. At least one v... | 12/04/2007 |
