| Patent Number |
Title Of Patent |
Date Issued |
| 6351652 |
Mobile communications system and method utilizing impulse radio |
February 26, 2002 |
| A method and apparatus for wireless communication and more particularly, a method and apparatus for wireless communication utilizing impulse radio wherein an impulse radio communication system integrates with existing cellular/PCS wireless communication systems and/or current land line |
| 6304623 |
Precision timing generator system and method |
October 16, 2001 |
| A frame reference signal is produced as a function of a clock signal. A first timing generator generates a coarse timing signal having a nominal period and a transition occurring at a precise temporal position with respect to the nominal period. The nominal period is a function of the |
| 6300903 |
System and method for person or object position location utilizing impulse radio |
October 9, 2001 |
| 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 |
| 6297773 |
System and method for position determination by impulse radio |
October 2, 2001 |
| 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 |
| 6295019 |
System and method for distance measurement by inphase and quadrature signals in a radio system |
September 25, 2001 |
| A system and a method for distance measurement utilizes a radio system. The distance is measured by determining the time it takes a pulse train to travel from a first radio transceiver to a second radio transceiver and then from the second radio transceiver back to the first radio tr |
| 6218979 |
Wide area time domain radar array |
April 17, 2001 |
| A system and method for high resolution radar imaging using a sparse array of time modulated ultra wideband (TM-UWB) radars. Two or more TM-UWB radars are arranged in a sparse array. Each TM-UWB radar transmits ultra wideband pulses that illuminate a target, and at least one receives the |
| 6177903 |
System and method for intrusion detection using a time domain radar array |
January 23, 2001 |
| 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 illumina |
| 6133876 |
System and method for position determination by impulse radio |
October 17, 2000 |
| 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 |
| 6111536 |
System and method for distance measurement by inphase and quadrature signals in a radio system |
August 29, 2000 |
| A system and a method for distance measurement utilizes a radio system. The distance is measured by determining the time it takes a pulse train to travel from a first radio transceiver to a second radio transceiver and then from the second radio transceiver back to the first radio tr |
| 6091374 |
Ultra-wideband magnetic antenna |
July 18, 2000 |
| An ultra-wideband magnetic antenna includes a planar conductor having a first and a second slot about an axis. The slots are substantially leaf-shaped having a varying width along the axis. The slots are interconnected along the axis. A cross polarized antenna system is comprised of |
| 6031862 |
Ultrawide-band communication system and method |
February 29, 2000 |
| 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 |
| 5995534 |
Ultrawide-band communication system and method |
November 30, 1999 |
| 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 |
| 5969663 |
Time domain radio transmission system |
October 19, 1999 |
| 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 |
| 5963581 |
Ultrawide-band communication system and method |
October 5, 1999 |
| 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 |
| 5960031 |
Ultrawide-band communication system and method |
September 28, 1999 |
| 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 |
| 5952956 |
Time domain radio transmission system |
September 14, 1999 |
| 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 |
| 5907427 |
Photonic band gap device and method using a periodicity defect region to increase photonic signa |
May 25, 1999 |
| A photonic band gap structure device and method for delaying photonic signals of a predetermined frequency and a predetermined bandwidth by a predetermined delay is provided. A Fabry-Perot delay line device has several regions of periodically alternating refractive material layers wh |
| 5832035 |
Fast locking mechanism for channelized ultrawide-band communications |
November 3, 1998 |
| A receiver for acquisition and lock of an impulse radio signal comprising an adjustable time base to output a sliding periodic timing signal having an adjustable repetition rate, and a decode timing modulator to output a decode signal in response to the periodic timing signal. The impuls |
| 5764696 |
Chiral and dual polarization techniques for an ultra-wide band communication system |
June 9, 1998 |
| Chiral and dual polarization techniques for an ultra-wide band communication system provide an ultra-wide band signal having signal components in two dimensions. The polarization techniques utilize two signal paths to excite a pair of linear, orthogonal antennas. The pulses transmitt |
