Quotables
"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 8049666 | Regional positioning method and apparatus in wireless sensor network A regional positioning method and apparatus in a wireless sensor network (WSN) is provided. The regional positioning method in a WSN, the regional positioning method including: setting a locating premise in the WSN based on a signal strength of an anchor node; sensi... | 11/01/2011 |
| 7340277 | Adaptive antenna for controlling the weighting on a plurality of antenna elements An optical subscriber system according to the present invention has an adaptive antenna having a plurality of antenna elements, for controlling the weighting on the antenna elements thereby to radiate beams that are adapted to radio wave environments, a position est... | 03/04/2008 |
| 7315734 | Method for performing a predetermined action on wireless calls based on caller's location In the method of performing a predetermined action on wireless calls, a determination of whether a received wireless call falls within a defined area is made. If the received wireless call falls within the defined area, then the predetermined action, such as screeni... | 01/01/2008 |
| 7289815 | Transponder subsystem for supporting location awareness in wireless networks The present invention is related to an apparatus and method for determining the location of a communication device within a wireless network in order to provide a geolocation functionality to the communication device participating under an access protocol of a wirel... | 10/30/2007 |
| 7280803 | Monitoring network performance using individual cell phone location and performance information A system and method of collecting call data from a Mobile Telephone Switching Office and combining this data with location information of a wireless device (or devices) to generate information reports concerning the electromagnetic coverage of a cell site. The colle... | 10/09/2007 |
| 7274332 | Multiple evaluators for evaluation of a purality of conditions A system and method is disclosed for locating people or objects. In particular, a system and method for locating a wireless mobile station using a plurality of mobile station location estimators is disclosed. The system is useful for 911 emergency calls, tracking, r... | 09/25/2007 |
| 7262729 | Radio detection and ranging intrusion detection system A radar system having a processor, a waveform generator, a plurality of antenna interfaces, a set of first antennas configured to transmit a waveform, and a set of second antennas configured to receive a reflected waveform is disclosed. The waveform generator and an... | 08/28/2007 |
| 7155237 | Method and system for determining position of a mobile terminal utilizing time of arrival calculation in combination with a time difference of arrival calculation The present invention provides for a method of, and related system for, determining the position of a mobile radio terminal (10,M) arranged for communication with a plurality of base stations (BS1, BS2) and including the steps of employi... | 12/26/2006 |
| 7149503 | System and method for associating postmark information with digital content A system and method is provided for associating postmark information with digital content. Content is created or otherwise selected from available content selections. Information is received at the mobile device from a radio frequency (RF) transponder. The informati... | 12/12/2006 |
| 7139582 | Method for the continuous real time tracking of the position of at least one mobile object as well as an associated device In a method for the continuous real time tracking of the position of at least one mobile object in a defined multidimensional space, at least one mobile transmitter module is attached to at least one mobile object and the signals from the at least one module are rec... | 11/21/2006 |
| 7120488 | Therapy-delivering portable medical device capable of triggering and communicating with an alarm system A therapy-delivering, portable medical device (200) capable of triggering and/or communicating with an alarm system (100), as well as a related system and method therefor. The portable medical device (200) is configured to establish a communicat... | 10/10/2006 |
| RE39303 | Distribution of a large number of live television programs to individual passengers in an aircraft A satellite television system that provides live television programming to passengers by integrating direct broadcast satellite services into an in-flight aircraft entertainment system. The system has an antenna disposed on the aircraft that is pointed at a pluralit... | 09/19/2006 |
| 7102570 | Mobile communications stations methods and systems A method for use in a mobile communication system for estimating the location of a target mobile station (MS) which includes receiving signals from the target MS (N) at a plurality of receivers (MS1, MS2, MS3) in different locations and calculat... | 09/05/2006 |
| 7098659 | Method for mode formation, method for mode provision, and reception unit for a magnetic resonance device A reception unit for an MR device with at least two local antennas has a combination network to which the antennas are connected separately for combination of the antenna signals. The combination network generates at least two different modes that are linear combina... | 08/29/2006 |
| 7085246 | Method and apparatus for acquisition of a spread-spectrum signal An apparatus for acquiring a pseudo-random (PN) sequence timing for a code division multiple access (CDMA) radiotelephone. A buffer stores samples of representations of at least one pilot signal. A correlator coupled to the buffer is operable to correlate at least a... | 08/01/2006 |
| 7079025 | Reconfigurable geolocation system A portable reconfigurable geolocation system is provided. The system includes a portable user node and one or more portable pseudolite nodes in communication one another and with the user node. Each of the user nodes and pseudolite nodes includes a transmitter that ... | 07/18/2006 |
| 7076257 | Telecommunications system A telecommunications system and a method for use in a telecommunications system is disclosed. The system comprises at least one station, means for determining the location of said station in said system, and means for providing information on said location of said s... | 07/11/2006 |
| 7047022 | Positioning method using mobile terminal and mobile terminal having positioning function A mobile terminal has a neighboring mobile terminal communication unit for communicating with a neighboring mobile terminal existing near the mobile terminal for acquiring position information on the neighboring mobile terminal, and a position information calculatio... | 05/16/2006 |
| 7043198 | Mobile satellite communication system utilizing polarization diversity combining The present invention utilizes a dual polarization reception system (200) that utilizes the energy available in orthogonal polarizations to effectively increase link margin, thereby allowing for adequate signal quality reception in difficult environments. A c... | 05/09/2006 |
| 7035647 | Efficient location determination for mobile units The inventive system allows for more efficient use of resources for providing location information in a wireless network where multiple sources of such information may be available. In one implementation, a first source of location information such as Cell ID inform... | 04/25/2006 |
| 6972717 | Method and apparatus for enhanced 911 location using power control in a wireless system A method of locating a mobile telephone includes steps of receiving, transmitting, increasing and determining. In the receiving step, a first base station receives a call from a mobile telephone, the call including a dialed number and a TDMA signal. In the transmitt... | 12/06/2005 |
| 6970708 | System and method for improving channel monitoring in a cellular system The present invention relates to a mobile station capable of determining its current location within a wireless communication system. The mobile station periodically generates an estimate of its current location or mobility and then monitors channels for channel sel... | 11/29/2005 |
| 6968195 | Enhanced PDE selection A method and apparatus for managing the selection of location information sources (e.g., position determining equipment sites) to provide location information for a mobile communications unit (e.g., a cellular phone) are disclosed. Embedded within a request for loca... | 11/22/2005 |
| 6952181 | Locating a mobile station using a plurality of wireless networks and applications therefor A location is disclosed for wireless telecommunication infrastructures. The systems output requested locations of hand sets or mobile stations (MS) based on, e.g., AMPS, NAMPS, CDMA or TDMA communication standards. The system determines both local MS locations, and ... | 10/04/2005 |
| 6937643 | ROM-based PN generation for wireless communication A device includes a request arbitration unit that (1) receives a number of requests for PN vectors from a number of processing units and (2) provides a control indicative of each request selected for processing. An address generator provides one or more addresses (w... | 08/30/2005 |
| 6914949 | Method and system for reducing potential interference in an impulse radio Potential interference is reduced in an impulse radio. A signal including an impulse signal and potential interference is received by the impulse radio. The impulse signal includes a sequence of impulses. The sequence of impulses of the received signal is sampled at... | 07/05/2005 |
| 6844849 | Circular superdirective receive antenna arrays Systems and methods are described for circular superdirective receive antenna arrays. A method includes calculating an minimum array efficiency of the superdirective circular receive array, calculating a maximum superdirective gain of the superdirective circular rec... | 01/18/2005 |
| 6816735 | Method and system for facilitating location-based services A method and system are disclosed for facilitating location-based services. In the arrangement described, when a mobile station is engaged in a data session with a server, the mobile station may be made to initiate a voice call to a designated number. As a result, a... | 11/09/2004 |
| 6580391 | Antenna alignment system and method An antenna alignment apparatus and alignment method is used to effectively position an antenna used in a satellite communication system on the satellite orbital arc, and to ensure that a proper antenna polarization is achieved during installation or align... | 06/17/2003 |
| 6570536 | Communications system A communications system in which a communications channel is defined at least in part by an electromagnetic wave having a carrier frequency and an electric field vector, the extremity or terminus of which traces a non-linear periodic path at a rotation fr... | 05/27/2003 |
| 6535801 | Method and apparatus for accurately determining the position of satellites in geosynchronous orbits A method of determining the position of a satellite in a near geosynchronous orbit includes receiving at least one main lobe signal from an antenna on a first GPS satellite. A GPS signal, including GPS time and Doppler, is received from a pseudolite posit... | 03/18/2003 |
| 6486828 | Adaptive array antenna nulling An adaptive antenna array employs selective polarization nulling and spatial nulling to receive desired signals in the presence of jamming signals. The desired signals have the same circular polarization, and the array includes at least one antenna elemen... | 11/26/2002 |
| 6351237 | Polarization and angular diversity among antenna beams A receiving system 100 is disclosed which includes at least one antenna 101 providing a plurality of antenna beams providing signal diversity between communicated signals. A first processing branch 103 is included for processing a first plurality of signa... | 02/26/2002 |
| 6339712 | Method and device for radio communication In a method and a device for reduction of intermodulation distortion in radio communication systems, a signal, which is intended to be transmitted, is fed to an active antenna for transmission in a main lobe. The antenna includes a plurality of transmitte... | 01/15/2002 |
| 6275186 | Device and method for locating a mobile station in a mobile communication system A device and method for locating a mobile station (MS) in a mobile communication system. In the MS locating device for an MS which receives signals synchronized to a predetermined time from at least one adjacent base station (BS) and is located within a s... | 08/14/2001 |
| 6271790 | Communication system A communications system in which a communications channel is defined at least in part by an electromagnetic wave having a carrier frequency and an electric field vector, the extremity or terminus of which traces a non-linear periodic path at a rotation fr... | 08/07/2001 |
| 6252546 | Method and apparatus for processing multipath reflection effects in timing systems A method and apparatus for processing multipath reflection effects in timing systems is disclosed in which a determination is made of whether a received signal is a reflected signal. A detector provides from an input signal a pair of signals representativ... | 06/26/2001 |
| 6208307 | Aircraft in-flight entertainment system having wideband antenna steering and associated methods An aircraft in-flight entertainment system includes an antenna, a satellite TV receiver connected to the antenna, at least one video display connected to the satellite TV receiver, and wherein the antenna is steered using received signals from the relativ... | 03/27/2001 |
| 6175327 | GPS receivers with adaptive antenna systems for suppressing interference signals GPS receivers are provided that reduce all types of interference signals with a simple receiver structure that includes an antenna system having a reference antenna element and a plurality of auxiliary antenna elements, a plurality of phase shifters and a... | 01/16/2001 |
| 6154173 | Method and apparatus for processing multipath reflection effects in timing systems A method and apparatus for processing multipath reflection effects in timing systems is disclosed in which a determination is made of whether a received signal is a reflected signal. A detector provides from an input signal a pair of signals representativ... | 11/28/2000 |
