| Patent Number |
Title Of Patent |
Date Issued |
| 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 |
| 6750757 |
Apparatus and method for managing luggage handling |
June 15, 2004 |
| 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 |
| 6748040 |
Apparatus and method for effecting synchrony in a wireless communication system |
June 8, 2004 |
| An apparatus for effecting synchrony with a received transmitted signal in a wireless communication system is disclosed. The transmitted signal is encoded according to a predetermined coding scheme and arranged in a plurality of first frames in a first succession having a first period. T |
| 6724909 |
Speaker apparatus |
April 20, 2004 |
| 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 si |
| 6717992 |
Method and apparatus for receiving a plurality of time spaced signals |
April 6, 2004 |
| A method and system for receiving time spaced signals transmitted in accordance with a time layout is provided. The time spaced signals may be pulses or bursts. The time spaced signals convey at least one intelligence signal. The time spaced signals are received at an antenna. Once recei |
| 6710736 |
System and method for intrusion detection using a time domain radar array |
March 23, 2004 |
| 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 |
| 6700538 |
System and method for estimating separation distance between impulse radios using impulse signal |
March 2, 2004 |
| An impulse radio system estimates a separation distance between an impulse radio transmitter and an impulse radio receiver. The system includes an impulse transmitter that transmits an impulse signal having an ultra-wideband frequency characteristic. An impulse receiver spaced from t |
| 6678384 |
Speaker structure |
January 13, 2004 |
| A speaker structure having a simple configuration while maintaining good sound quality is disclosed. The speaker structure comprises a first speaker (20) having a first vibration plate (21), a first frame (22) for fixing the perimeter of the first vibration plate and a first magnetic |
| 6674396 |
System and method for distance measurement by inphase and quadrature signals in a radio system |
January 6, 2004 |
| 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 |
| 6671310 |
Method and apparatus for positioning pulses over time by applying time-hopping codes having pre- |
December 30, 2003 |
| A method for positioning pulses over time (via a time layout) applies time-hopping codes having pre-defined characteristics. The time layout can be sequentially subdivided into at least first and second time components that have the same or different sizes. The method applies a first |
| 6670909 |
Ultra-wideband smart sensor interface network and method |
December 30, 2003 |
| A network, sensor and method are provided that utilize the capabilities of impulse radio technology to help monitor and/or control the environment within a building. In particular, the network includes a sensor attached to a first impulse radio unit that is capable of transmitting an imp |
| 6667724 |
Impulse radar antenna array and method |
December 23, 2003 |
| 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 |
| 6661342 |
System and method for using impulse radio technology to track the movement of athletes and to en |
December 9, 2003 |
| A system, electronic device and method are provided that utilize the positioning capabilities of impulse radio technology to track one or more moving athletes. The movement of these athletes can be displayed on a television, a handheld unit or an Internet site. In addition, the present |
| 6642903 |
Apparatus for establishing signal coupling between a signal line and an antenna structure |
November 4, 2003 |
| An apparatus for coupling a signal supply with an antenna including first and second elements. The signal supply delivers a signal to the antenna at a connection locus. The first element has a first edge and the second element has a second edge; the connection locus includes part of the |
| 6636573 |
Precision timing generator system and method |
October 21, 2003 |
| 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 |
| 6636567 |
Method of specifying non-allowable pulse characteristics |
October 21, 2003 |
| A code specifies characteristics of pulses transmitted and received by an impulse transmission system. The invention provides methods for defining non-allowable regions within pulse characteristic value range layouts enabling non-allowable regions to be considered when generating a code. |
| 6636566 |
Method and apparatus for specifying pulse characteristics using a code that satisfies predefined |
October 21, 2003 |
| A coding method for a pulse transmission system specifies temporal and/or non-temporal pulse characteristics according to temporal and/or non-temporal characteristic value layouts having one or more allowable and non-allowable regions. The method generates codes having predefined pro |
| 6621462 |
Ultra-wideband magnetic antenna |
September 16, 2003 |
| 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 |
| 6614384 |
System and method for detecting an intruder using impulse radio technology |
September 2, 2003 |
| An intrusion detection system and method are provided that can utilize impulse radio technology to detect when an intruder has entered a protection zone. In addition, the intrusion detection system and method can utilize impulse radio technology to determine a location of the intrude |
| 6611234 |
System and method for position determination by impulse radio using round trip time-of-flight |
August 26, 2003 |
| 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 |
| 6606051 |
Pulse-responsive dipole antenna |
August 12, 2003 |
| 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, for example, a reverse bicone antenna or a pulse-responsive dipole antenna. When received |
| 6593886 |
Planar loop antenna |
July 15, 2003 |
| An apparatus for conveying electromagnetic energy intermediate a host device and a medium substantially adjacent to the apparatus includes: (a) a transceiver for transmitting the energy to and receiving the energy from the medium; (b) a transmission structure for conveying signals to or |
| 6585597 |
Impulse radio interactive wireless gaming system, gaming unit, game server and method |
July 1, 2003 |
| An interactive wireless gaming system is provided which utilizes the significant wireless improvements of impulse radio technology to enable gaming system enhancements. For instance, the interactive wireless gaming system has a plurality of impulse radio wireless gaming units operating |
| 6577691 |
Precision timing generator apparatus and associated methods |
June 10, 2003 |
| A precision timing generator includes a combiner that provides a timing signal by combining a coarse timing signal and a fine timing signal derived from a phase-shifted sinusoidal signal that has a desired phase shift. The coarse timing generator generates the coarse timing signal from |
| 6573857 |
System and method for intrusion detection using a time domain radar array |
June 3, 2003 |
| 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 |
| 6571089 |
Method and apparatus for moderating interference while effecting impulse radio wireless control |
May 27, 2003 |
| A method and apparatus for moderating interference with impulse radio wireless control of an appliance; the control is effected by a controller remote from the appliance transmitting impulse radio digital control signals to the appliance. The control signals have a transmission power |
| 6556621 |
System for fast lock and acquisition of ultra-wideband signals |
April 29, 2003 |
| A system and method for detecting an impulse radio signal obtains a template pulse train and a received impulse radio signal. The system compares the template pulse train and the received impulse radio signal to obtain a comparison result. The system performs a threshold check on the |
| 6552677 |
Method of envelope detection and image generation |
April 22, 2003 |
| A method of detecting objects reflecting impulse waveforms of generating a detection envelope by receiving a reflected waveform, delaying said waveform by a peak-to-zero delay (PZD) interval. The PZD interval is the time between a maximum energy displacement in the impulse waveform and a |
| 6549567 |
Full duplex ultrawide-band communication system and method |
April 15, 2003 |
| An impulse radio transceiver for full duplex ultrawide-band communications. The transceiver comprises an impulse radio transmitter that transmits impulse radio signal pulses, an impulse radio receiver that receives impulse radio signal pulses. Either or both of the impulse radio tran |
| 6539213 |
System and method for impulse radio power control |
March 25, 2003 |
| A system and method for impulse radio power control wherein a first transceiver transmits an impulse radio signal to a second transceiver. A power control update is calculated according to a performance measurement of the signal received at the second transceiver. The transmitter power o |
| 6538615 |
Semi-coaxial horn antenna |
March 25, 2003 |
| A semi-coaxial horn antenna transmits and receives electromagnetic waves, including impulse radio waves. The antenna includes an inner conductor that is surrounded by a cone-shaped dielectric, and an outer conductor that is conformally attached to the cone shaped dielectric. In embod |
| 6529568 |
Method and system for canceling interference in an impulse radio |
March 4, 2003 |
| An impulse radio concurrently receives an impulse signal and interference. An interference sampler samples the interference before an expected time of arrival of an impulse in the impulse signal, to produce an interference nulling sample. Then, when the impulse arrives, a data sampler sa |
| 6512488 |
Apparatus for establishing signal coupling between a signal line and an antenna structure |
January 28, 2003 |
| An apparatus for coupling a signal supply with an antenna including first and second elements. The signal supply delivers a signal to the antenna at a connection locus. The first element has a first edge and the second element has a second edge; the connection locus includes part of the |
| 6512455 |
System and method for monitoring assets, objects, people and animals utilizing impulse radio |
January 28, 2003 |
| 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 of the impulse radio |
| 6504483 |
System and method for using impulse radio technology to track and monitor animals |
January 7, 2003 |
| A system, electronic monitor and method are provided that utilize the communication capabilities and positioning capabilities of impulse radio technology to enable people (e.g., broadcasters, fans, trainers, jockeys) to track a position of a horse as it moves around a race track and/or t |
| 6501393 |
System and method for using impulse radio technology to track and monitor vehicles |
December 31, 2002 |
| A system, electronic monitor and method are provided that utilize the communication capabilities and positioning capabilities of impulse radio technology to enable people (e.g., mechanics, fans, broadcasters, drivers) to track a position of a vehicle as it moves around a race track and/o |
| 6492906 |
System and method using impulse radio technology to track and monitor people under house arrest |
December 10, 2002 |
| A system, electronic monitor and method are provided that utilize the capabilities of impulse radio technology to overcome the shortcomings of conventional house arrest monitoring systems. One embodiment of the present invention enables monitoring personnel (e.g., police officers, pa |
| 6492904 |
Method and system for coordinating timing among ultrawideband transmissions |
December 10, 2002 |
| 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 of the impulse radio |
| 6489893 |
System and method for tracking and monitoring prisoners using impulse radio technology |
December 3, 2002 |
| A system, apparatus and method are provided that utilize the communication capabilities and positioning capabilities of impulse radio technology to overcome the shortcomings in conventional prison monitoring systems. Basically, the present invention enables prison personnel to track the |
| 6484843 |
Speaker apparatus equipped with means for producing complicated waveform of low frequency with h |
November 26, 2002 |
| 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 |
| 6483461 |
Apparatus and method for locating objects in a three-dimensional space |
November 19, 2002 |
| A system for locating of objects in a three-dimensional space comprises: (a) an impulse radio network including at least three reference impulse radio units and at least one mobile position indicating apparatus; position information relating the impulse radio units is recorded by at |
| 6469628 |
System and method for using impulse radio technology in the farming field |
October 22, 2002 |
| A system, electronic monitor and method are provided that utilize impulse radio technology to enable a farmer to accurately track a position of an object (e.g., farm equipment, farm animal, farm employee) as the object moves around a farm and/or to enable a farmer to monitor a variety of |
| 6466125 |
System and method using impulse radio technology to track and monitor people needing health care |
October 15, 2002 |
| A system, electronic monitor and method are provided that utilize impulse radio technology to alert medical personnel when a patient needs medical assistance. In addition, the present invention includes a system, electronic monitor and method that utilize the communication capabilities |
| 6462701 |
System and method for controlling air bag deployment systems |
October 8, 2002 |
| A system and method for controlling air bag deployment systems based on the presence, position, size, and weight of a person present in an automobile or a child seat present in an automobile is disclosed. In one embodiment, the system includes a radar transmitter, radar receiver, and a p |
| 6437756 |
Single element antenna apparatus |
August 20, 2002 |
| An antenna for transferring electromagnetic energy includes: (a) a ground element in a ground plane; (b) a transceiver element in a transceiver plane that intersects the ground element at a first end in a joint having a first terminus and a second terminus; and (c) a feed structure that |
| 6430208 |
Ultrawide-band communication system and method |
August 6, 2002 |
| 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 |
| 6421389 |
Baseband signal converter for a wideband impulse radio receiver |
July 16, 2002 |
| A baseband signal converter device for an impulse radio receiver combines multiple converter circuits and an RF amplifier in a single integrated circuit package. Each converter circuit includes an integrator circuit that integrates a portion of each RF pulse during a sampling period |
| 6400329 |
Ultra-wideband magnetic antenna |
June 4, 2002 |
| 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 |
| 6400307 |
System and method for intrusion detection using a time domain radar array |
June 4, 2002 |
| 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 |
| 6354946 |
Impulse radio interactive wireless gaming system and method |
March 12, 2002 |
| An interactive wireless gaming system is provided which utilizes the significant wireless improvements of impulse radio technology to enable gaming system enhancements. For instance, the interactive wireless gammg system has a plural of impulse radio wireless gaming units operating a |
