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| Number | Title | Issue Date |
| 7880608 | System and method for person or object position location utilizing impulse radio A System and Method for Person or Object Position Location Utilizing Impulse Radio, comprising a plurality of reference impulse radios; an object or person to be tracked having a mobile impulse radio associated therewith; an architecture with an associated positioni... | 02/01/2011 |
| 7873099 | Time transfer using ultra wideband signals Time is transferred from an ultra wideband (UWB) transmitter to UWB receiver by transmitting a signal structure having an associated timing reference point together with a time value for the timing reference point. The UWB receiver receives the timing signal structu... | 01/18/2011 |
| RE41479 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 08/10/2010 |
| 7711026 | Method and apparatus for applying codes having pre-defined properties A method for specifying pulse characteristics applies codes having pre-defined characteristics to a layout. The layout can be sequentially subdivided into at least first and second components that have the same or different sizes. The method applies a first code hav... | 05/04/2010 |
| 7710320 | System and method for position determination by impulse radio A method for producing a first time base for a first ultra wideband radio obtains a time reference signal and phase locks a clock signal to the time reference signal The clock signal is counted down using a counter to produce the first time base. The counter is a bi... | 05/04/2010 |
| 7701347 | System and method for monitoring assets, objects, people and animals utilizing impulse radio An asset, object, person or animal monitoring system and associated method for monitoring assets, objects, people or animals utilizing impulse radio techniques. The asset, object, person or animal monitoring system of the present invention can vary the duty cycles o... | 04/20/2010 |
| 7649925 | Time transfer utilizing ultra wideband signals Time is transferred from an ultra wideband (UWB) transmitter to UWB receiver by transmitting a signal structure having an associated timing reference point together with a time value for the timing reference point. The UWB receiver receives the timing signal structu... | 01/19/2010 |
| 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 |
| 7592944 | System and method for intrusion detection using a time domain radar array A system and method for highly selective intrusion detection using a sparse array of ultra wideband (UWB) radars. Two or more UWB radars are arranged in a sparse array around an area to be protected. Each UWB radar transmits ultra wideband pulses that illuminate the... | 09/22/2009 |
| 7545281 | System and method for person or object position location utilizing impulse radio A System and Method for Person or Object Position Location Utilizing Impulse Radio, comprising a plurality of reference impulse radios; an object or person to be tracked having a mobile impulse radio associated therewith; an architecture with an associated positioni... | 06/09/2009 |
| 7526250 | Apparatus, system and method for flip modulation in an impulse radio communications system Apparatuses, systems and methods for transmitting and receiving modulated impulse radio signals. An impulse radio receiver includes a time base, a precision timing generator, a template generator, a delay, first and second correlators, a data detector and a time bas... | 04/28/2009 |
| 7495613 | System and method for position determination by impulse radio A system and a method for position determination by impulse radio using a first transceiver having a first clock providing a first reference signal and a second transceiver placed spaced from the first transceiver. The system determines the position of the second tr... | 02/24/2009 |
| 7474219 | System and method for person or object position location utilizing impulse radio A System and Method for Person or Object Position Location Utilizing Impulse Radio, comprising a plurality of reference impulse radios; an object or person to be tracked having a mobile impulse radio associated therewith; an architecture with an associated positioni... | 01/06/2009 |
| 7436876 | System and method for fast acquisition of ultra wideband signals An ultra wideband system employing a threshold to detect signal quality during acquisition wherein the threshold is adjusted based on signal characteristics such as packet traffic rate, packet loss rate, and packet loss fraction. In one embodiment, the threshold is ... | 10/14/2008 |
| 7428258 | Method and apparatus for generating RF waveforms having aggregate energy with desired spectral characteristics The present invention relates to a method and system that emulates a desired waveform by producing a time profile of the desired waveform, which is characterized by a plurality of sample values, and generating a plurality of RF waveforms, each RF waveform of the plu... | 09/23/2008 |
| 7426233 | Method and system for fast acquisition of ultra-wideband signals A system and method are provided that can detect any part of a multipath impulse radio signal. More specifically, the method compares a template pulse train and the multipath impulse radio signal to obtain a comparison result. The system performs a threshold check o... | 09/16/2008 |
| 7418029 | Method and system for fast acquisition of ultra-wideband signals A system and method are provided that can detect any part of a multipath impulse radio signal. More specifically, the method compares a template pulse train and the multipath impulse radio signal to obtain a comparison result. The system performs a threshold check o... | 08/26/2008 |
| 7417581 | System and method for intrusion detection using a time domain radar array A system and method for highly selective intrusion detection using a sparse array of time modulated ultra wideband (TM-UWB) radars. Two or more TM-UWB radars are arranged in a sparse array around the perimeter of a building. Each TM-UWB radar transmits ultra wideban... | 08/26/2008 |
| 7417582 | System and method for triggering an explosive device A proximity fuze (proximity fuse) comprising an ultra wideband (UWB) radar transmitter, a UWB radar receiver, an antenna, a timing system, and a signal processor. One embodiment includes an antenna with an annular conical radiation pattern. In another embodiment, a ... | 08/26/2008 |
| 7397379 | System and method for person or object position location utilizing impulse radio A System and Method for Person or Object Position Location Utilizing Impulse Radio, comprising a plurality of reference impulse radios; an object or person to be tracked having a mobile impulse radio associated therewith; an architecture with an associated positioni... | 07/08/2008 |
| 7372403 | System and method for position determination by impulse radio A system and a method for position determination by impulse radio where first position information is determined for a first impulse radio using a positioning system, second position information is determined for the first impulse radio using at least one second imp... | 05/13/2008 |
| 7333047 | System and method for spatially diverse radar signal processing An ultra wideband radar system for detecting objects where at least one of the radar system or the object is moving. The radar may be scanned in at least one dimension, which may include angle or range. The system includes a scan combiner that combines scan informat... | 02/19/2008 |
| 7256727 | System and method for radiating RF waveforms using discontinues associated with a utility transmission line A method for processing radio frequency reflections is provided. The method applies an RF waveform to a transmission line that is a conductor used for providing a utility service. The method uses a RF waveform generator to transmit UltraWideband (UWB) RF waveforms t... | 08/14/2007 |
| RE39759 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 08/07/2007 |
| 7239277 | 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... | 07/03/2007 |
| 7230980 | Method and apparatus for impulse radio transceiver calibration A method for calibrating an impulse radio distance measuring system comprising an impulse radio transceiver by conducting a pulse through a transmit receive switch to an antenna, receiving return energy which has been discharged across the transmit receive switch, d... | 06/12/2007 |
| 7170408 | System and method for information assimilation and functionality control based on positioning information obtained by impulse radio means A system and method for information assimilation and functionality control based on positioning information obtained by impulse radio techniques, which utilizes the position information and communication abilities inherent in impulse radio technology to correlate po... | 01/30/2007 |
| 7151490 | System and method for estimating separation distance between impulse radios using impulse signal amplitude A method and system are provided for locating an impulse radio. Impulse radio signals are communicated between a first impulse radio and a plurality of second impulse radios. A received signal strength measurement is determined for each of the impulse radio signals.... | 12/19/2006 |
| 7145954 | Method and apparatus for mapping pulses to a non-fixed layout A coding method, specifies temporal and/or non-temporal pulse characteristics, where pulse characteristic values are relative to one or more non-fixed reference characteristic values within at least one delta value range or discrete delta value layout. The method al... | 12/05/2006 |
| 7132975 | Apparatus and method for detecting moving objects An ultra wideband radar system for detecting moving objects comprising an antenna, which may be scanned in at least one dimension, and a signal processor wherein the signal processor includes a scan combiner that combines scan information in accordance with a candid... | 11/07/2006 |
| 7099367 | Method and apparatus for converting RF signals to baseband The present invention relates to the conversion of signals from RF to baseband using transition functions, or edge functions. These functions typically transition from positive to negative, or from negative to positive, synchronously with the transition of the recei... | 08/29/2006 |
| 7046187 | System and method for active protection of a resource An active protection system comprising an ultrawideband radar for threat detection, an optical tracker for precision threat position measurement, and a high powered laser for threat kill or mitigation. The uwb radar may use a sparse array antenna and may also utiliz... | 05/16/2006 |
| 7030806 | Time domain radio transmission system A time domain communications system wherein a broadband of time-spaced signals, essentially monocycle-like signals, are derived from applying stepped-in-amplitude signals to a broadband antenna, in this case, a reverse bicone antenna. When received, the thus transmi... | 04/18/2006 |
| 7027493 | System and method for medium wide band communications by impluse radio A system and a method for medium wide band communications using impulse radio techniques. The method of transmitting medium wide band signals includes the steps of producing a sinusoidal signal and a train of preferably Gaussian shaped pulses. The method also includ... | 04/11/2006 |
| 7015793 | Apparatus and method for managing luggage handling A system for managing luggage handling includes: (a) a central information management appliance; (b) a plurality of portable impulse radio communication devices; and (c) at least one impulse radio transceiving instrument. The at least one impulse radio transceiving ... | 03/21/2006 |
| 6963727 | Direct-path-signal detection apparatus and associated methods Direct-path-signal (DPS) detector circuitry includes a standard deviation calculator circuitry configured to determine a standard deviation of a plurality of data values within a data frame. The data frame corresponds to a radio-frequency signal received via a commu... | 11/08/2005 |
| 6959032 | Method and apparatus for positioning pulses in time A coding method specifies pulse positioning over time according to a time layout about a time reference where a pulse can be placed at any location within the time layout. The method generates time-hopping codes having predefined properties, and a coded pulse train ... | 10/25/2005 |
| 6959031 | Method and system for fast acquisition of pulsed signals A method and system for fast acquisition of pulsed radio signals where said signals comprised uniquely-spaced pulses or symbols. The receiver searches for and detects two ore more symbols, determines the interval or intervals between the symbols, and because the int... | 10/25/2005 |
| 6954480 | Method and apparatus for improving received signal quality in an impulse radio system An impulse radio system includes an impulse transmitter that transmits a pulse train comprising a number of pulses that are positioned in time for conveying an information signal. An impulse receiver receives the pulse train in accordance with specified arrival time... | 10/11/2005 |
| 6937639 | System and method for positioning pulses in time using a code that provides spectral shaping A system, method and computer program product for positioning pulses, including positioning pulses within a specified time layout according to one or more codes to produce a pulse train having one or more predefined spectral characteristics where a difference in tim... | 08/30/2005 |
