| Patent Number |
Title Of Patent |
Date Issued |
| RE39759 |
Time domain radio transmission system |
August 7, 2007 |
| 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 transmitted signals are m |
| 7428258 |
Method and apparatus for generating RF waveforms having aggregate energy with desired spectral c |
September 23, 2008 |
| 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 plurality of RF wavef |
| 7426233 |
Method and system for fast acquisition of ultra-wideband signals |
September 16, 2008 |
| 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 on the comparison resul |
| 7418029 |
Method and system for fast acquisition of ultra-wideband signals |
August 26, 2008 |
| 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 on the comparison resul |
| 7417582 |
System and method for triggering an explosive device |
August 26, 2008 |
| 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 trigger delay is p |
| 7417581 |
System and method for intrusion detection using a time domain radar array |
August 26, 2008 |
| 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 wideband pulses that illu |
| 7397379 |
System and method for person or object position location utilizing impulse radio |
July 8, 2008 |
| 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 positioning algorithm assoc |
| 7372403 |
System and method for position determination by impulse radio |
May 13, 2008 |
| 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 impulse radio, and a |
| 7333047 |
System and method for spatially diverse radar signal processing |
February 19, 2008 |
| 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 information in accordance |
| 7256727 |
System and method for radiating RF waveforms using discontinues associated with a utility transm |
August 14, 2007 |
| 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 through the conduct |
| 7239277 |
Method and system for extensible position location |
July 3, 2007 |
| 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 position is deter |
| 7230980 |
Method and apparatus for impulse radio transceiver calibration |
June 12, 2007 |
| 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, determining a time of |
| 7170408 |
System and method for information assimilation and functionality control based on positioning in |
January 30, 2007 |
| 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 position information of |
| 7151490 |
System and method for estimating separation distance between impulse radios using impulse signal |
December 19, 2006 |
| 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. One of a pluralit |
| 7145954 |
Method and apparatus for mapping pulses to a non-fixed layout |
December 5, 2006 |
| 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 allocates allowable |
| 7132975 |
Apparatus and method for detecting moving objects |
November 7, 2006 |
| 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 candidate trajectory for |
| 7130441 |
Speaker system having processing circuitry |
October 31, 2006 |
| A weight is attached to the rear side of a magnetic circuit of a speaker unit. The tip of a boss that projects from the front side of the weight is joined to the rear side of a center pole of the magnetic circuit with a bolt. Even if reactive force that is generated when an electrical |
| 7099367 |
Method and apparatus for converting RF signals to baseband |
August 29, 2006 |
| 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 received pulse signal, |
| 7082208 |
Speaker assembly having plural drivers |
July 25, 2006 |
| A weight is attached to the rear side of a magnetic circuit of a speaker unit. The tip of a boss that projects to the front side from the weight is joined to the rear side of a center pole of the magnetic circuit with a bolt. Even if reactive force that is generated when an electrical |
| 7062054 |
Speaker device |
June 13, 2006 |
| A speaker device has a pair of speaker units each including a magnetic circuit. The magnetic circuits are opposed and connected to each other by a binding member. Vibrations generated by the speaker units are canceled to each other so that the occurrence of unnecessary vibrations can be |
| 7046187 |
System and method for active protection of a resource |
May 16, 2006 |
| 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 utilize Doppler radar in |
| 7030806 |
Time domain radio transmission system |
April 18, 2006 |
| 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 transmitted signals are m |
| 7027493 |
System and method for medium wide band communications by impluse radio |
April 11, 2006 |
| 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 includes the steps of mu |
| 7015793 |
Apparatus and method for managing luggage handling |
March 21, 2006 |
| 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 instrument, the pl |
| 6963727 |
Direct-path-signal detection apparatus and associated methods |
November 8, 2005 |
| 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 communication link. The DPS |
| 6959032 |
Method and apparatus for positioning pulses in time |
October 25, 2005 |
| 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 based on the time-hopp |
| 6959031 |
Method and system for fast acquisition of pulsed signals |
October 25, 2005 |
| 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 intervals are unique, the |
| 6954480 |
Method and apparatus for improving received signal quality in an impulse radio system |
October 11, 2005 |
| 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 times of each pulse and |
| 6937667 |
Apparatus, system and method for flip modulation in an impulse radio communications system |
August 30, 2005 |
| 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 base adjustor. The time |
| 6937639 |
System and method for positioning pulses in time using a code that provides spectral shaping |
August 30, 2005 |
| 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 time position between |
| 6933882 |
Time domain radio transmission system |
August 23, 2005 |
| 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 transmitted signals are m |
| 6922177 |
Impulse radar antenna array and method |
July 26, 2005 |
| An antenna array comprising a ground plane and a plurality of elements mounted thereon, said elements being capable of emitting and receiving ultra wideband emissions. Elements are arrayed on the ground plane in two parallel rows, a transmitting row, and a receiving row, such that a give |
| 6922166 |
System and method for distance measurement by inphase and quadrature signals in a radio system |
July 26, 2005 |
| A system and a method for distance measurement utilizes a radio system. The distance is measured in coarse resolution, and in fine resolution that corresponds to distance attributes. The distance between first and second radio transceivers is determined from the coarse distance and the f |
| 6914949 |
Method and system for reducing potential interference in an impulse radio |
July 5, 2005 |
| 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 a sequence of data sa |
| 6912240 |
Method and apparatus for generating a large number of codes having desirable correlation propert |
June 28, 2005 |
| The present invention relates to a method for generating and apparatus for employing code families having desirable correlation properties. Regardless of code length, maximum autocorrelation of the codes is 4 for any nonzero offset and maximum cross-correlation of any two codes from a |
| 6906625 |
System and method for information assimilation and functionality control based on positioning in |
June 14, 2005 |
| 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 position information of |
| 6882301 |
Time domain radio transmission system |
April 19, 2005 |
| 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 transmitted signals are m |
| 6879878 |
Method and system for controlling a robot |
April 12, 2005 |
| A system and method are described that use impulse radio technology to enhance the capabilities of a robot. In one embodiment, a system, a robot and a method are provided that use the communication capabilities of impulse radio technology to help a control station better control the |
| 6847675 |
Ultrawide-band communication system and method |
January 25, 2005 |
| An impulse radio communications system using one or more subcarriers to communicate information from an impulse radio transmitter to an impulse radio receiver. The impulse radio communication system is an ultrawide-band time domain system. The use of subcarriers provides impulse radi |
| 6845253 |
Electromagnetic antenna apparatus |
January 18, 2005 |
| An apparatus for transferring electromagnetic energy intermediate a host device and a medium or free space adjacent to the apparatus in an impulse radio system includes: (a) an energy guiding means for guiding the electromagnetic energy; the energy guiding means is connected with the |
| 6804365 |
Speaker and speaker system |
October 12, 2004 |
| A speaker includes a main speaker part, and a case for containing and holding the main speaker part therein. A peripheral portion of a front side of the main speaker part is attached to a peripheral portion of the case, surrounding a hole formed in a front side of the case by placing a |
| 6796401 |
Speaker apparatus equipped with means for producing complicated waveform of low frequency with h |
September 28, 2004 |
| In a speaker apparatus equipped with a speaker unit including a magnet, a frame and a diaphragm, a speaker housing has a substantially cylindrical shape, and also has such a structure that the speaker unit is secured onto one end surface of the cylindrical shape of the speaker housing so |
| 6788730 |
Method and apparatus for applying codes having pre-defined properties |
September 7, 2004 |
| 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 having first pre-defined |
| 6778603 |
Method and apparatus for generating a pulse train with specifiable spectral response characteris |
August 17, 2004 |
| A system and method for shaping the energy spectrum of a pulse train used by a pulse transmission system. The initial temporal and non-temporal characteristics of pulses comprising the pulse train are established using a designed code or a pseudorandom code and the spectral properties of |
| 6774859 |
Ultra wideband antenna having frequency selectivity |
August 10, 2004 |
| An electromagnetic antenna apparatus exhibits a generally continuous signal response between a first frequency and a second frequency, and further exhibits a deviation from the signal response in a frequency region centered substantially at a selected frequency between the first frequenc |
| 6774846 |
System and method for position determination by impulse radio |
August 10, 2004 |
| 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 transceiver. The second |
| 6763057 |
Vector modulation system and method for wideband impulse radio communications |
July 13, 2004 |
| An apparatus and method for communicating information using an ultra wideband impulse radio transmitter and receiver is disclosed. The method includes the steps of generating and transmitting a series of time-modulated pulses, each pulse delayed by one of four predetermined time dela |
| 6762712 |
First-arriving-pulse detection apparatus and associated methods |
July 13, 2004 |
| First-arriving-pulse detector (FAP) circuitry includes a correlator circuitry and a threshold circuitry. The correlator circuitry correlates a received signal with a template signal to provide an output signal. The threshold circuitry provides a first-arriving-pulse signal depending on |
| 6759948 |
Railroad collision avoidance system and method for preventing train accidents |
July 6, 2004 |
| A railroad collision avoidance system and method are disclosed that utilize impulse radio technology to effectively warn a person when there is a locomotive in their vicinity. In one embodiment, the railroad collision avoidance system includes a transmitting impulse radio unit coupled to |
| 6751330 |
Speaker system |
June 15, 2004 |
| A driver unit is fixed to a stand. A front box and a rear box are directly fitted to the stand through a buffer material. A box comes into contact with the driver unit through a buffer material and is fixed to the stand. Therefore, sound of the driver unit is not transmitted to the box a |
