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...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8188922 | Position information acquisition device, computer readable storage medium storing position information acquisition program and position information acquisition system A position information acquisition device includes, a first communication unit to communicate with at least another position information acquisition device; a detection unit to detect whether a number of other position information acquisition devices that are not co... | 05/29/2012 |
| 8164515 | Methods and apparatus to locate a wireless device Methods and apparatus to locate a wireless device are described. A disclosed example method includes transmitting a request location message from a first wireless station to a second wireless station to determine a geographic location of a third wireless station, re... | 04/24/2012 |
| 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 |
| 8106828 | Location identification using broadcast wireless signal signatures An apparatus for location identification using broadcast wireless signal signatures includes a receiver to receive first measurements of a plurality of wireless television signals. The first measurements are made by a remote device receiving the plurality of wireles... | 01/31/2012 |
| 8102317 | Location identification using broadcast wireless signal signatures An apparatus comprises a receiver to receive a plurality of wireless television signals each representing a television channel, and a measurement circuit to identify the television channels based on the wireless television signals. One or more of a plurality of poss... | 01/24/2012 |
| 8085200 | System and method for establishing a WPAN with precise locationing capability A system and method is provided for determining the location of an object. A first transceiver is associated with an object to be located. The first transceiver comprises a first transmitter and a first receiver operable to transmit and receive signals using a first... | 12/27/2011 |
| 8063826 | Wireless time reference system and method Instead of normalizing time reference of independent spatially-located clocks using a reference tag transmission from known location, the present invention uses an interarrival time interval between a pulse pair of UWB pulses as a timing metric. Thus, a method of sy... | 11/22/2011 |
| 7999741 | Systems and methods for facilitating a first response mission at an incident scene using precision location Systems and methods for facilitating a first response mission at an incident scene, such as an accident site, a natural or human-made disaster site, or any other first response site. One system is for locating a plurality of portable modules at an incident scene. Th... | 08/16/2011 |
| 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 |
| 7965237 | Mobile system and method for position estimation The present invention provides a method by which the position of a wireless emitter can be estimated by using a minimum of two wireless transceiver devices. The invention relies on physically moving the wireless transceiver devices to new position locations in order... | 06/21/2011 |
| 7952522 | Relative 3D positioning in an ad-hoc network based on distances A positioning apparatus for a wireless ad-hoc network that can measure distances between network nodes that are in range and connected to each other. The positioning apparatus can calculate 3D positions of some nodes using the distance values using a relative coordi... | 05/31/2011 |
| 7948439 | Tracking of autonomous systems A system includes first and second transmitters attachable to first and second vehicles. The transmitters can each transmit successive signals at predetermined time intervals. Tracking stations at different locations are configured to receive the signals transmitted... | 05/24/2011 |
| 7928907 | Method for mapping machine rooms and locating machines within machine rooms A system and method automatically maps computer center rooms and locates data center components within computer centers. Radio triangulation is used to determine the locations and, optionally, orientation, of machines within a computer center. ... | 04/19/2011 |
| 7893874 | Global coordinate creation method for precision measurement of hollow frame A method of creating a global coordinate of a polyhedral hollow frame includes a first step of providing a plurality of transmitters on a reference surface in the hollow frame, providing a plurality of reference sensors to create the coordinate of the reference surf... | 02/22/2011 |
| 7876266 | Harmonic block technique for computing space-time solutions for communication system network nodes A method solving for unknown location values and clock rate values of one or more nodes of a network of nodes communicating with one another entails associating multiple transmitting nodes and receiving nodes that produce, respectively, ping transmit events and ping... | 01/25/2011 |
| 7852267 | Transfer of calibrated time information in a mobile terminal A method of and system for calibrating un-calibrated time information within a mobile terminal 101 is disclosed. The terminal has a receiver 203 capable of receiving signals from which calibrated time information carried by a calibrated system (a satel... | 12/14/2010 |
| 7821457 | Method and device for automatically determining the position of transceivers of navigation signals A method and system for automatically determining the position of transceivers of navigation signals using a utilization system for the navigation signals are provided. First, coarse calibration of the coordinates of the transceivers is performed. Next, a trajectory... | 10/26/2010 |
| 7777675 | Deployable passive broadband aircraft tracking In a first, preferred embodiment of the present invention, integrated tracking is provided using passive broadband. The invention takes the system for deployable passive broadband detection and extends it by incorporating the capability to decode position for ADS-B,... | 08/17/2010 |
| 7679562 | Target detection apparatus and system A target detection apparatus that includes a transmission/reception device for generating a transmission signal for detection of a target, and extracting distance information about the target from a received signal; a number of sensors each of which transmits the tr... | 03/16/2010 |
| 7671801 | Armor for an electronically scanned array According to an embodiment of the present invention, an electronically scanned array includes a plurality of armor segments interspersed between a plurality of transmit/receive integrated microwave modules (TRIMMs), and a clamping element compressing the armor segme... | 03/02/2010 |
| 7671802 | Active player tracking Sports objects, such as players and their equipment, are tracked by receiving signals transmitted by tags attached to the sports objects, and triangulating the signals to estimate the locations of the sports objects. One feature that promotes good signal reception i... | 03/02/2010 |
| 7667648 | Facilitating mobile station location using a ground-based cellular network Communications facilitate locating a mobile station (22) using the radio frequency spectrum typically used for cellular communications. A first locating signal is communicated between a base station transceiver (30, 32) and a mobile station (22)... | 02/23/2010 |
| 7602339 | Method and system for extensible position location A method and system for extensible positioning that uses a primary reference node at a known first position and a secondary reference node at a second position, where a range is measured between the secondary reference node and the primary reference node. The second... | 10/13/2009 |
| 7589672 | Method for determining positional data An aspect of the invention relates to a method for determining positional data of at least one node of a network, said network comprising a number of nodes, whereby the positional data refers to an internal coordinate system. The method comprises the following steps... | 09/15/2009 |
| 7579990 | Method and system for estimating the location of a wireless terminal from a received signal strength A first estimated location of a target terminal to be estimated in its location is obtained based on information derived from radio signals for location estimation and also locations of anchor terminals. Then, on the basis of the first estimated location thus obtain... | 08/25/2009 |
| 7570214 | Method and apparatus for ADS-B validation, active and passive multilateration, and elliptical surviellance A system and method are disclosed to track aircraft or other vehicles using techniques including multilateration and elliptical surveillance. Unlike conventional approaches that use time difference of arrival for multilateration at a fixed set of reception points, t... | 08/04/2009 |
| 7564408 | Sensor network and method for monitoring a terrain A sensor network (1) as well as a method for monitoring a terrain (6) is specified. The sensor network (1) has a number of fixed-position sensors (3, 3′, 3″), which can be deployed in the terrain (6), and at least one programmi... | 07/21/2009 |
| 7557753 | Spacecraft hardware tracker A GPS tracker is disposed on launch hardware that separates from a spacecraft launch vehicle during ascent to orbit with the launch hardware having a suborbital trajectory from launch to impact while being tracked so as to track the launch hardware during suborbital... | 07/07/2009 |
| 7541977 | Method and wireless communication system for locating wireless transmit/receive units A method and system for locating a wireless transmit/receive unit (WTRU) is disclosed. A wireless communication system comprises a plurality of access points (APs). Each AP broadcasts a message indicating class-of-service (COS) types that the wireless communication ... | 06/02/2009 |
| 7528777 | Geographic and space positioning system and process Geographical and space positioning system and process, comprising: a first, a second, and a third base (A, B, C) which are fixed in relation to the earth, but spaced away and disaligned in relation to each other; a space platform (S) which is visible from the fixed ... | 05/05/2009 |
| 7479926 | System and method of utilizing positioning receiver hardware for network-based transceiver applications A network, network device and method is disclosed. In one embodiment, a method includes transmitting communication signals from a first network node to a second network node, where the first and second network nodes comprise a network and each include a receiver por... | 01/20/2009 |
| 7477193 | Method and system for elliptical-based surveillance A method and system are provided for performing elliptical-based and hybrid surveillance, performing false target detection and resolution, and performing integrity monitoring using one or more receiving and transmitting elements time synchronized to a common precis... | 01/13/2009 |
| 7474264 | Vehicle RF device detection system and method A system and method are provided for detecting use of RF transmit devices (e.g., cellular phones) in a vehicle. The system includes a first RF antenna for detecting signal strength of an RF signals transmit device at a first location in a vehicle and a power first d... | 01/06/2009 |
| 7471244 | Monitor units for television signals Apparatus having corresponding methods comprises a reference clock; a receiver to receive a wireless television signal, wherein the wireless television signal is transmitted by a television transmitter according to a transmitter clock; and a clock offset unit to det... | 12/30/2008 |
| 7471243 | Location determination utilizing environmental factors A method and apparatus for determining the geographic location of a user incorporates the sensing of a plurality of physical environmental parameters at the user's location. The parameter values are compared to corresponding parameter values associated with known lo... | 12/30/2008 |
| 7433652 | Electro-magnetic propagation modeling A generalized framework is disclosed in which a wide variety of propagation models can be cast in a matrix-based format using arbitrary matrix coefficients. Casting propagation models in the matrix-based framework enables efficient computer implementation and calcul... | 10/07/2008 |
| 7423589 | Method for localising at least one emitter The invention relates to a method of localization of one or more sources, said source or sources being in motion relative to a network of sensors, the method comprising a step of separation of the sources in order to identify the direction vectors associated with th... | 09/09/2008 |
| 7411548 | Reference beacon identification using transmission sequence characteristics A method and apparatus for encoding information in a reference beacon signal for use in a time-difference-of-arrival/frequency-difference-of-arrival (TDOA/FDOA) geolocation system. Information is encoded in the reference beacon signal using variations in the times a... | 08/12/2008 |
| 7411550 | System for transmitting positioning signal A system for transmitting time-synchronized signals for positioning is provided. The system for transmitting positioning signals includes a transmitting apparatus mounted on artificial satellite, a repeater mounted on an artificial satellite, and a repeater mounted ... | 08/12/2008 |
| 7409287 | System and method for networking a plurality of nodes A system and method for networking a plurality of nodes is disclosed. A network of data devices having data representations of connectivity, network node position, and/or position topologies is also disclosed, wherein the network may be self-configuring and the netw... | 08/05/2008 |
