ATE217977T1 - Elektromagnetischer wandler mit beschränktem sichtfeld und verfahren - Google Patents

Elektromagnetischer wandler mit beschränktem sichtfeld und verfahren

Info

Publication number
ATE217977T1
ATE217977T1 AT96923186T AT96923186T ATE217977T1 AT E217977 T1 ATE217977 T1 AT E217977T1 AT 96923186 T AT96923186 T AT 96923186T AT 96923186 T AT96923186 T AT 96923186T AT E217977 T1 ATE217977 T1 AT E217977T1
Authority
AT
Austria
Prior art keywords
path
electromagnetic
signal
characteristic
direct
Prior art date
Application number
AT96923186T
Other languages
English (en)
Inventor
Thomas E Mcewan
Original Assignee
Univ California
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Univ California filed Critical Univ California
Application granted granted Critical
Publication of ATE217977T1 publication Critical patent/ATE217977T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284—Electromagnetic waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
    • G01S1/04—Details
    • G01S1/045—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/02—Systems for determining distance or velocity not using reflection or reradiation using radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0209—Systems with very large relative bandwidth, i.e. larger than 10 %, e.g. baseband, pulse, carrier-free, ultrawideband
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/0218—Very long range radars, e.g. surface wave radar, over-the-horizon or ionospheric propagation systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/04—Systems determining presence of a target
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/18—Systems for measuring distance only using transmission of interrupted, pulse modulated waves wherein range gates are used
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/14—Determining absolute distances from a plurality of spaced points of known location
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
    • G01S7/28—Details of pulse systems
    • G01S7/285—Receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/12—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with electromagnetic waves
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
    • G08B13/2497—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field using transmission lines, e.g. cable
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/04—Detecting movement of traffic to be counted or controlled using optical or ultrasonic detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/003—Bistatic radar systems; Multistatic radar systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/103—Systems for measuring distance only using transmission of interrupted, pulse modulated waves particularities of the measurement of the distance
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/10—Systems for measuring distance only using transmission of interrupted, pulse modulated waves
    • G01S13/106—Systems for measuring distance only using transmission of interrupted, pulse modulated waves using transmission of pulses having some particular characteristics
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/885—Radar or analogous systems specially adapted for specific applications for ground probing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9314—Parking operations
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/88—Radar or analogous systems specially adapted for specific applications
    • G01S13/93—Radar or analogous systems specially adapted for specific applications for anti-collision purposes
    • G01S13/931—Radar or analogous systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • G01S2013/9321—Velocity regulation, e.g. cruise control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Electromagnetism (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Control Of Eletrric Generators (AREA)
  • Electronic Switches (AREA)
  • Burglar Alarm Systems (AREA)
AT96923186T 1995-03-17 1996-03-15 Elektromagnetischer wandler mit beschränktem sichtfeld und verfahren ATE217977T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/405,644 US5576627A (en) 1994-09-06 1995-03-17 Narrow field electromagnetic sensor system and method
PCT/US1996/003583 WO1996030771A2 (en) 1995-03-17 1996-03-15 Narrow field electromagnetic sensor system and method

Publications (1)

Publication Number Publication Date
ATE217977T1 true ATE217977T1 (de) 2002-06-15

Family

ID=23604579

Family Applications (1)

Application Number Title Priority Date Filing Date
AT96923186T ATE217977T1 (de) 1995-03-17 1996-03-15 Elektromagnetischer wandler mit beschränktem sichtfeld und verfahren

Country Status (8)

Country Link
US (1) US5576627A (de)
EP (1) EP0829020B1 (de)
JP (1) JP4015191B2 (de)
AT (1) ATE217977T1 (de)
AU (1) AU6376696A (de)
CA (1) CA2215506C (de)
DE (1) DE69621331T2 (de)
WO (1) WO1996030771A2 (de)

Families Citing this family (81)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10122861A (ja) * 1996-10-16 1998-05-15 Nikon Corp 位置測定装置及びそれを利用した位置測定方法
US5977778A (en) * 1996-11-27 1999-11-02 Case Corporation Method and apparatus for sensing piston position
US6142059A (en) * 1996-11-27 2000-11-07 Case Corporation Method and apparatus for sensing the orientation of a mechanical actuator
US5901633A (en) * 1996-11-27 1999-05-11 Case Corporation Method and apparatus for sensing piston position using a dipstick assembly
US6304178B1 (en) * 1997-01-20 2001-10-16 Kabushiki Kaisha Tsuden Door safety system
US5828333A (en) * 1997-01-21 1998-10-27 Northrop Grumman Corporation Multiple access diplex doppler radar
US7209523B1 (en) 1997-05-16 2007-04-24 Multispectral Solutions, Inc. Ultra-wideband receiver and transmitter
AU8411698A (en) 1997-07-18 1999-02-10 Kohler Company Radar devices for low power applications and bathroom fixtures
AU8500298A (en) * 1997-07-18 1999-02-10 Kohler Company Bathroom fixture using radar detector having leaky transmission line to control fluid flow
US6250601B1 (en) 1997-07-18 2001-06-26 Kohler Company Advanced touchless plumbing systems
US6005395A (en) * 1997-11-12 1999-12-21 Case Corporation Method and apparatus for sensing piston position
US6700939B1 (en) 1997-12-12 2004-03-02 Xtremespectrum, Inc. Ultra wide bandwidth spread-spectrum communications system
US5966090A (en) * 1998-03-16 1999-10-12 Mcewan; Thomas E. Differential pulse radar motion sensor
US6417797B1 (en) 1998-07-14 2002-07-09 Cirrus Logic, Inc. System for A multi-purpose portable imaging device and methods for using same
US7346120B2 (en) 1998-12-11 2008-03-18 Freescale Semiconductor Inc. Method and system for performing distance measuring and direction finding using ultrawide bandwidth transmissions
US6279173B1 (en) 1999-04-12 2001-08-28 D2M, Inc. Devices and methods for toilet ventilation using a radar sensor
US6239736B1 (en) 1999-04-21 2001-05-29 Interlogix, Inc. Range-gated radar motion detector
US6351246B1 (en) 1999-05-03 2002-02-26 Xtremespectrum, Inc. Planar ultra wide band antenna with integrated electronics
US6177903B1 (en) 1999-06-14 2001-01-23 Time Domain Corporation System and method for intrusion detection using a time domain radar array
US7649925B2 (en) * 1999-06-14 2010-01-19 Time Domain Corporation Time transfer utilizing ultra wideband signals
US7592944B2 (en) * 1999-06-14 2009-09-22 Time Domain Corporation System and method for intrusion detection using a time domain radar array
US6218979B1 (en) 1999-06-14 2001-04-17 Time Domain Corporation Wide area time domain radar array
GB2354821A (en) * 1999-09-29 2001-04-04 Dine O Quick Threshold crossing counter
US7027493B2 (en) * 2000-01-19 2006-04-11 Time Domain Corporation System and method for medium wide band communications by impluse radio
US6906625B1 (en) * 2000-02-24 2005-06-14 Time Domain Corporation System and method for information assimilation and functionality control based on positioning information obtained by impulse radio techniques
US20010037689A1 (en) 2000-03-08 2001-11-08 Krouth Terrance F. Hydraulic actuator piston measurement apparatus and method
WO2001066954A2 (en) 2000-03-08 2001-09-13 Rosemount Inc. Piston position measuring device
WO2001066955A2 (en) 2000-03-08 2001-09-13 Rosemount Inc. Bi-directional differential pressure flow sensor
US20010037724A1 (en) 2000-03-08 2001-11-08 Schumacher Mark S. System for controlling hydraulic actuator
JP2003531515A (ja) 2000-04-07 2003-10-21 ザ・リージェンツ・オブ・ジ・ユニバーシティ・オブ・カリフォルニア 遠隔呼掛け高データ転送速度自由空間レーザ通信リンク
US6724191B1 (en) * 2000-05-09 2004-04-20 Admiralty Corporation Systems and methods useful for detecting presence and/or location of various materials
US6340139B1 (en) 2000-06-01 2002-01-22 Labarge, Inc. Highway grade crossing vehicle violation detector
WO2002013313A2 (en) 2000-08-07 2002-02-14 Xtremespectrum, Inc. Electrically small planar uwb antenna apparatus and system thereof
US6411105B1 (en) * 2000-09-11 2002-06-25 The United States Of America As Represented By The Secretary Of The Navy Nondestructive detection of steel surface corrosion
CA2439307A1 (en) * 2001-02-23 2002-09-06 Genicon Sciences Corporation Methods for providing extended dynamic range in analyte assays
US6588313B2 (en) 2001-05-16 2003-07-08 Rosemont Inc. Hydraulic piston position sensor
EP1289147A1 (de) * 2001-08-13 2003-03-05 Senstronic, S.A. Fremderregte Näherungs-oder Anwesenheitsschalteranordnung
WO2003042919A2 (en) * 2001-11-09 2003-05-22 Pulse-Link, Inc. Ultra-wideband imaging system
US6657596B2 (en) * 2002-01-30 2003-12-02 Lucent Technologies Inc. Method of measuring a pattern of electromagnetic radiation
US6998835B1 (en) 2002-11-20 2006-02-14 The United States Of America As Represented By The Secretary Of The Navy Electromagnetic sensor system and method
US6722261B1 (en) 2002-12-11 2004-04-20 Rosemount Inc. Hydraulic piston position sensor signal processing
US6722260B1 (en) 2002-12-11 2004-04-20 Rosemount Inc. Hydraulic piston position sensor
DE10314557A1 (de) * 2003-03-31 2004-10-28 Siemens Ag Kompakter Mikrowellen-Anstandsensor mit geringer Leistungsaufnahme durch Leistungsmessung an einem stimulierten Empfangsoszillator
US7725150B2 (en) * 2003-06-04 2010-05-25 Lifewave, Inc. System and method for extracting physiological data using ultra-wideband radar and improved signal processing techniques
US6940295B2 (en) * 2003-06-11 2005-09-06 The Boeing Company Apparatus and methods for non-destructive inspection using microwave sensing
US20120256778A1 (en) * 2003-07-02 2012-10-11 M/A Com, Inc. Short-range vehicular radar system
US7126323B1 (en) 2003-07-25 2006-10-24 Admiralty Corporation Systems and methods for synchronous detection of signals
JP3977303B2 (ja) * 2003-08-21 2007-09-19 シャープ株式会社 位置検出システム、位置検出システムにおける発信装置および受信装置
US7215278B2 (en) * 2003-11-16 2007-05-08 Preco Electronics, Inc Radar frequency hopping
US7506547B2 (en) 2004-01-26 2009-03-24 Jesmonth Richard E System and method for generating three-dimensional density-based defect map
EP1732239A4 (de) 2004-03-17 2007-12-26 Brother Ind Ltd Positionsdetektionssystem, antworteinrichtung und abfrageeinrichtung, funkkommunikationssystem, positionsdetektionsverfahren, positionsdetektionsprogramm und informationsaufzeichnungsmedium
DE102004031626A1 (de) * 2004-06-30 2006-02-02 Robert Bosch Gmbh Verfahren und Vorrichtung zur Materialstärkenbestimmung auf Hochfrequenzbasis
SK4039U (sk) * 2004-09-07 2005-01-03 Ralen Spol S R O Zapojenie elektronickej jednotky, najmä na detekciu živých organizmov
JP4196963B2 (ja) * 2005-03-25 2008-12-17 セイコーエプソン株式会社 電子装置及び無線通信端末
US8098707B2 (en) * 2006-01-31 2012-01-17 Regents Of The University Of Minnesota Ultra wideband receiver
US20070196621A1 (en) * 2006-02-02 2007-08-23 Arnold Frances Sprayable micropulp composition
US8081304B2 (en) 2006-07-31 2011-12-20 Visualant, Inc. Method, apparatus, and article to facilitate evaluation of objects using electromagnetic energy
US7996173B2 (en) 2006-07-31 2011-08-09 Visualant, Inc. Method, apparatus, and article to facilitate distributed evaluation of objects using electromagnetic energy
JP5137103B2 (ja) * 2007-03-16 2013-02-06 独立行政法人情報通信研究機構 電波イメージング方法及び装置
WO2008148040A1 (en) 2007-05-24 2008-12-04 Lifewave, Inc. System and method for non-invasive instantaneous and continuous measurement of cardiac chamber volume
EP2194871B1 (de) 2007-09-05 2016-08-17 Sensible Medical Innovations Ltd. Verfahren und system zur überwachung von thoraxgewebeflüssigkeit
US9572511B2 (en) 2007-09-05 2017-02-21 Sensible Medical Innovations Ltd. Methods and systems for monitoring intrabody tissues
US10667715B2 (en) * 2008-08-20 2020-06-02 Sensible Medical Innovations Ltd. Methods and devices of cardiac tissue monitoring and analysis
US8654215B2 (en) * 2009-02-23 2014-02-18 Gary Edwin Sutton Mobile communicator with curved sensor camera
US9002427B2 (en) 2009-03-30 2015-04-07 Lifewave Biomedical, Inc. Apparatus and method for continuous noninvasive measurement of respiratory function and events
US20100274145A1 (en) 2009-04-22 2010-10-28 Tupin Jr Joe Paul Fetal monitoring device and methods
US8907682B2 (en) 2009-07-30 2014-12-09 Sensible Medical Innovations Ltd. System and method for calibration of measurements of interacted EM signals in real time
US9032565B2 (en) 2009-12-16 2015-05-19 Kohler Co. Touchless faucet assembly and method of operation
EP2769235B1 (de) 2011-10-19 2023-11-29 Balu Subramanya Gerichteter geschwindigkeits- und abstandssensor
US8264401B1 (en) 2011-12-29 2012-09-11 Sensys Networks, Inc. Micro-radar, micro-radar sensor nodes, networks and systems
WO2013119824A1 (en) 2012-02-10 2013-08-15 Visualant, Inc. Systems, methods and articles related to machine-readable indicia and symbols
US9201156B2 (en) * 2012-03-29 2015-12-01 Chevron U.S.A. Inc. System and method for measurement incorporating a crystal resonator
US11004337B2 (en) 2012-12-28 2021-05-11 Balu Subramanya Advanced parking management system
US9316581B2 (en) 2013-02-04 2016-04-19 Visualant, Inc. Method, apparatus, and article to facilitate evaluation of substances using electromagnetic energy
US9041920B2 (en) 2013-02-21 2015-05-26 Visualant, Inc. Device for evaluation of fluids using electromagnetic energy
US9664610B2 (en) 2013-03-12 2017-05-30 Visualant, Inc. Systems for fluid analysis using electromagnetic energy that is reflected a number of times through a fluid contained within a reflective chamber
US20150177372A1 (en) * 2013-12-19 2015-06-25 David I. Poisner MIR Two Dimensional Scanner
US9761049B2 (en) 2014-03-28 2017-09-12 Intel Corporation Determination of mobile display position and orientation using micropower impulse radar
US10147291B2 (en) * 2014-05-15 2018-12-04 Melo Tarcisio Caddah System and method for protecting restricted-access areas against intrusions by pedestrians and/or non-cab vehicles in general, with access permitted for vehicles with a cab, including convertible vehicles with closed top
US10641869B2 (en) * 2016-07-29 2020-05-05 Texas Instruments Incorporated Resonant illumination driver in an optical distance measurement system
US12493355B2 (en) 2022-04-14 2025-12-09 Kohler Co. Touchless plumbing control system

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3471845A (en) * 1966-05-27 1969-10-07 Sylvania Electric Prod Security system
US3810172A (en) * 1972-07-18 1974-05-07 L Burpee Detection system
US3863240A (en) * 1972-12-08 1975-01-28 Aerospace Res Electromagnetic intrusion detection system
US3877002A (en) * 1973-05-25 1975-04-08 Omni Spectra Inc Intrusion detecting system
DK135353B (da) * 1974-11-07 1977-04-12 Schloeer Boerge Anlæg til detektering af bevægelige objekter inden for et overvåget område ved mikrobølgediffraktion.
US4191953A (en) * 1975-01-23 1980-03-04 Microwave and Electronic System Limited Intrusion sensor and aerial therefor
US4274226A (en) * 1979-08-06 1981-06-23 Park Mobile, Inc. Detection of object in path of moving gate
US4322722A (en) * 1980-06-20 1982-03-30 Dti Security, A Division Of Datura International, Inc. Pulsed microwave motion sensor for intrusion detection applications
CA1169939A (en) * 1981-04-16 1984-06-26 Robert K. Harman Intrusion detection system
US4415885A (en) * 1981-05-21 1983-11-15 Stellar Systems, Inc. Intrusion detector
GB2111736B (en) * 1981-11-12 1986-02-12 Standard Telephones Cables Ltd Radar or sonar system
US4531117A (en) * 1983-07-05 1985-07-23 Minnesota Mining And Manufacturing Company Variable frequency RF electronic surveillance system
US4639902A (en) * 1985-06-24 1987-01-27 The United States Of America As Represented By The Secretary Of The Navy Near ultrasonic pattern comparison intrusion detector
JPH0785062B2 (ja) * 1987-06-09 1995-09-13 建設省土木研究所長 電磁波による土の乾燥密度の測定方法
US5248958A (en) * 1988-03-11 1993-09-28 Marcel Milin Hertzian-wave intrusion detetor
DE4300949C1 (de) * 1993-01-15 1994-05-26 Max Planck Gesellschaft Duales Mikrowelleninterferometer
SE501473C2 (sv) * 1993-02-03 1995-02-27 Stiftelsen Metallurg Forsk Sätt att bestämma gasers och flammors tillstånd i smält och förbränningsprocesser
JP3139874B2 (ja) * 1993-03-30 2001-03-05 株式会社東芝 濃度計
JPH0763705A (ja) * 1993-08-26 1995-03-10 Tokimec Inc 氷分濃度計測装置
US5521600A (en) * 1994-09-06 1996-05-28 The Regents Of The University Of California Range-gated field disturbance sensor with range-sensitivity compensation

Also Published As

Publication number Publication date
US5576627A (en) 1996-11-19
DE69621331D1 (de) 2002-06-27
CA2215506A1 (en) 1996-10-03
WO1996030771A2 (en) 1996-10-03
EP0829020A4 (de) 1998-07-08
JPH11503229A (ja) 1999-03-23
JP4015191B2 (ja) 2007-11-28
AU6376696A (en) 1996-10-16
CA2215506C (en) 2009-05-19
WO1996030771A3 (en) 1996-11-21
DE69621331T2 (de) 2003-01-09
EP0829020A2 (de) 1998-03-18
EP0829020B1 (de) 2002-05-22

Similar Documents

Publication Publication Date Title
ATE217977T1 (de) Elektromagnetischer wandler mit beschränktem sichtfeld und verfahren
US6239741B1 (en) UWB dual tunnel diode detector for object detection, measurement, or avoidance
US6218979B1 (en) Wide area time domain radar array
US4091367A (en) Perimeter surveillance system
AU3499995A (en) Time-of-flight radio location system
EP0321877A3 (de) Wetterradar mit Turbulenzdetektion
EP0339242A3 (de) Verfahren und Gerät in Bezug auf die Antenne und Empfangssystem eines Radiotheodolits
KR20050014051A (ko) 초음파 신호에서 주파수 분리를 이용한 거리측정 방법 및장치
US5095312A (en) Impulse transmitter and quantum detection radar system
WO1996008085A3 (en) Rfi suppression circuit and method
AU1175600A (en) A sensor for radiance based diagnostics
GB2274560A (en) Echo pulse detection circuit
US4511897A (en) Sensor system for metallic targets including doppler radar and radiometer
RU2212683C2 (ru) Способ обработки радиолокационного сигнала
KR101022369B1 (ko) 초광대역 신호 추출 방법 및 이를 이용한 초광대역 측정 장치
CA2340978A1 (en) Interrogation system and communication system
IL99516A0 (en) Improved target detector eliminating in-range sensitivity
FR2438276A1 (fr) Dispositif et procede de mesure de la vitesse du vent
RU2227953C2 (ru) Устройство для обнаружения гололедных образований на проводах и грозозащитных тросах линий электропередач
Ruser et al. A low-cost ultrasonic-microwave multisensor for robust sensing of velocity and range
JP3182445B2 (ja) 相関型探知装置ならびに相関型信号検出装置
Wang et al. Detection and tracking of multiple human targets with an uwb monopulse radar
JPH0352834B2 (de)
JP3533260B2 (ja) 波浪周期検出装置
JP2964709B2 (ja) パルス受信装置