DE69734081T2 - Ferndetektionssysteme mit Nachempfangsfokussierung - Google Patents

Ferndetektionssysteme mit Nachempfangsfokussierung Download PDF

Info

Publication number
DE69734081T2
DE69734081T2 DE69734081T DE69734081T DE69734081T2 DE 69734081 T2 DE69734081 T2 DE 69734081T2 DE 69734081 T DE69734081 T DE 69734081T DE 69734081 T DE69734081 T DE 69734081T DE 69734081 T2 DE69734081 T2 DE 69734081T2
Authority
DE
Germany
Prior art keywords
focussing
post
detection systems
remote detection
remote
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69734081T
Other languages
English (en)
Other versions
DE69734081D1 (de
Inventor
Ralph Benjamin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Bristol
Original Assignee
University of Bristol
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 University of Bristol filed Critical University of Bristol
Publication of DE69734081D1 publication Critical patent/DE69734081D1/de
Application granted granted Critical
Publication of DE69734081T2 publication Critical patent/DE69734081T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q21/00—Antenna arrays or systems
    • H01Q21/06—Arrays of individually energised antenna units similarly polarised and spaced apart
    • H01Q21/08—Arrays of individually energised antenna units similarly polarised and spaced apart the units being spaced along or adjacent to a rectilinear path
    • 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
    • G01S13/89—Radar or analogous systems specially adapted for specific applications for mapping or imaging
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/2658—Phased-array fed focussing structure
    • 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
    • G01S13/04—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
    • 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
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88—Sonar systems specially adapted for specific applications
    • G01S15/89—Sonar systems specially adapted for specific applications for mapping or imaging
    • G01S15/8906—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques
    • G01S15/8909—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration
    • G01S15/8913—Short-range imaging systems; Acoustic microscope systems using pulse-echo techniques using a static transducer configuration using separate transducers for transmission and reception

Landscapes

  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar Systems Or Details Thereof (AREA)
DE69734081T 1996-06-06 1997-06-02 Ferndetektionssysteme mit Nachempfangsfokussierung Expired - Lifetime DE69734081T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9611800.5A GB9611800D0 (en) 1996-06-06 1996-06-06 Post-reception focusing in remote detection systems

Publications (2)

Publication Number Publication Date
DE69734081D1 DE69734081D1 (de) 2005-10-06
DE69734081T2 true DE69734081T2 (de) 2006-06-14

Family

ID=10794815

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69734081T Expired - Lifetime DE69734081T2 (de) 1996-06-06 1997-06-02 Ferndetektionssysteme mit Nachempfangsfokussierung

Country Status (4)

Country Link
US (1) US5920285A (de)
EP (1) EP0812005B1 (de)
DE (1) DE69734081T2 (de)
GB (2) GB9611800D0 (de)

Families Citing this family (91)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100294229B1 (ko) * 1998-09-07 2001-07-12 이민화 동일영상점을갖는펄스형태의평면파들을합성함으로써송신집속을구현하는방법
EP1119779A1 (de) * 1998-10-12 2001-08-01 Marconi Electronic Systems Limited System zum entdecken von gegenständen in der bodenfläche
FR2786651B1 (fr) * 1998-11-27 2002-10-25 Commissariat Energie Atomique Transducteur ultrasonore de contact, a elements multiples
US7952511B1 (en) * 1999-04-07 2011-05-31 Geer James L Method and apparatus for the detection of objects using electromagnetic wave attenuation patterns
WO2001018561A2 (en) * 1999-09-08 2001-03-15 Witten Technologies, Inc. Ground penetrating radar array and timing circuit
US6496137B1 (en) * 1999-09-19 2002-12-17 Mala Geoscience Ab Ground penetrating radar array and timing circuit
US6417805B1 (en) * 1999-10-21 2002-07-09 General Electric Company Three-dimensional channel sounder for DTV receivers
NL1013661C2 (nl) * 1999-11-24 2001-06-14 Univ Delft Tech Gronddoordringende radarinrichting en werkwijze voor het detecteren van een object op of onder een grondoppervlak.
US6700526B2 (en) 2000-09-08 2004-03-02 Witten Technologies Inc. Method and apparatus for identifying buried objects using ground penetrating radar
DE10050655C1 (de) * 2000-10-13 2002-01-24 Hilti Ag GPR-Mehrfachantennen-Vorrichtung zur Materialerkundung für den kombinierten Einsatz mit einem Handwerkzeug
US6982666B2 (en) * 2001-06-08 2006-01-03 The United States Of America As Represented By The Secretary Of The Navy Three-dimensional synthetic aperture radar for mine detection and other uses
US6949930B2 (en) 2002-04-08 2005-09-27 Witten Technologies, Inc. Time domain induction method and apparatus for locating buried objects in a medium by inducing and measuring transient eddy currents
US6700381B2 (en) 2002-04-08 2004-03-02 Witten Technologies Inc. Method and apparatus for locating objects using parametric inversion
US6679847B1 (en) * 2002-04-30 2004-01-20 Koninklijke Philips Electronics N.V. Synthetically focused ultrasonic diagnostic imaging system for tissue and flow imaging
US8332455B2 (en) * 2002-06-06 2012-12-11 International Business Machines Corporation Simultaneous analysis of multiple data sources by sychronization
EP1543353A4 (de) * 2002-09-27 2008-10-22 Innovatum Inc Vorrichtung und verfahren zur verwendung von dauerstrichstrahlung zur erkennung und auffindung von hinter einer oberfläche verborgenen zielen
US7230564B2 (en) * 2004-06-11 2007-06-12 1M International Corporation Microwave method and system for material inspection
US20090012391A9 (en) * 2004-09-10 2009-01-08 Simpkin Ray A Imaging system
EP1788946A4 (de) * 2004-09-10 2009-11-04 Ind Res Ltd Abbildungssystem
US20070293752A1 (en) * 2004-09-10 2007-12-20 Industrial Research Limited Synthetic Focusing Method
US7850611B2 (en) * 2004-09-20 2010-12-14 Innervision Medical Technologies Inc. System and methods for improved ultrasound imaging
US7819805B2 (en) 2004-09-20 2010-10-26 Mgb Investments Limited Partnership Sub-nyquist sampling of acoustic signals in ultrasound imaging
US8234923B2 (en) 2004-09-20 2012-08-07 Innervision Medical Technologies Inc. Systems and methods for ultrasound imaging
GB0502651D0 (en) 2005-02-09 2005-03-16 Univ Bristol Methods and apparatus for measuring the internal structure of an object
US7535407B2 (en) * 2005-03-15 2009-05-19 Prairielands Energy Marketing, Inc. Apparatus using continuous-wave radiation for detecting and locating targets hidden behind a surface
US7914451B2 (en) * 2005-09-15 2011-03-29 Innervision Medical Technologies Inc. Determining attributes using ultrasound
US7548185B2 (en) 2005-09-30 2009-06-16 Battelle Memorial Institute Interlaced linear array sampling technique for electromagnetic wave imaging
JP5013044B2 (ja) † 2005-11-30 2012-08-29 ウシオ電機株式会社 光照射式加熱装置
WO2007092054A2 (en) 2006-02-06 2007-08-16 Specht Donald F Method and apparatus to visualize the coronary arteries using ultrasound
US8473239B2 (en) 2009-04-14 2013-06-25 Maui Imaging, Inc. Multiple aperture ultrasound array alignment fixture
GB0617586D0 (en) * 2006-09-07 2006-10-18 Mbda Uk Ltd Improvements in or relating to scanners
EP2088932B1 (de) 2006-10-25 2020-04-08 Maui Imaging, Inc. Verfahren und vorrichtung zur herstellung von ultraschallbildern mithilfe mehrerer öffnungen
DE102007039897B3 (de) * 2007-08-23 2008-10-16 Universität Karlsruhe (Th) Verfahren zum Betrieb einer Antennengruppe mit mehreren Sendern und mehreren Empfängern sowie zugehörige Vorrichtung
US9788813B2 (en) 2010-10-13 2017-10-17 Maui Imaging, Inc. Multiple aperture probe internal apparatus and cable assemblies
US9282945B2 (en) * 2009-04-14 2016-03-15 Maui Imaging, Inc. Calibration of ultrasound probes
GB0721694D0 (en) * 2007-11-05 2007-12-12 Univ Bristol Methods and apparatus for measuring the contents of a search volume
US8165095B2 (en) * 2007-11-30 2012-04-24 Motorola Mobility, Inc. System and method to improve RF simulations
ITTO20090173A1 (it) * 2009-03-10 2010-09-11 Aresys S R L Sensore per la rilevazione dello spostamento di oggetti.
US8040273B2 (en) * 2009-07-14 2011-10-18 Raytheon Company Radar for imaging of buildings
GB0920839D0 (en) 2009-11-27 2010-01-13 Univ Bristol Contrast agents for medical imaging
US8106813B2 (en) * 2010-01-27 2012-01-31 Unnikrishna Sreedharan Pillai Multichannel constant envelope orthogonal waveforms using receiver design
WO2011103303A2 (en) 2010-02-18 2011-08-25 Maui Imaging, Inc. Point source transmission and speed-of-sound correction using mult-aperture ultrasound imaging
WO2012051308A2 (en) 2010-10-13 2012-04-19 Maui Imaging, Inc. Concave ultrasound transducers and 3d arrays
US9121943B2 (en) * 2011-05-23 2015-09-01 Sony Corporation Beam forming device and method
FR2977683B1 (fr) * 2011-07-06 2016-01-15 Claude Chekroun Dispositif pour detecter des objets tels que des mines
FR2977681A1 (fr) 2011-07-06 2013-01-11 Claude Chekroun Dispositif pour detecter au moins un objet enfoui dans un amoncellement et procede mis en oeuvre dans un tel dispositif
TW201336478A (zh) 2011-12-01 2013-09-16 Maui Imaging Inc 使用以回音為基及多孔徑都卜勒超音波之移動偵測
KR20140107648A (ko) 2011-12-29 2014-09-04 마우이 이미징, 인코포레이티드 임의의 경로들의 ｍ-모드 초음파 이미징
CN107028623B (zh) 2012-02-21 2020-09-01 毛伊图像公司 使用多孔超声确定材料刚度
EP2833791B1 (de) 2012-03-26 2022-12-21 Maui Imaging, Inc. Verfahren zur verbesserung der ultraschallbildqualität durch anwendung von gewichtungsfaktoren
US8884807B1 (en) * 2012-05-09 2014-11-11 Malå Geoscience USA Pseudo real time receive signal sampling for ground penetrating radar
CA2873858C (en) * 2012-05-17 2018-02-13 Deep Imaging Technologies, Inc. A system and method using near and far field ulf and elf interferometry synthetic aperture radar for subsurface imaging
US9572549B2 (en) 2012-08-10 2017-02-21 Maui Imaging, Inc. Calibration of multiple aperture ultrasound probes
US9057782B2 (en) * 2012-08-17 2015-06-16 Geophysical Survey Systems, Inc. Realization of time-domain ultra wideband ground-penetrating radar using high speed accumulation and interpolated sampling
US9986969B2 (en) 2012-08-21 2018-06-05 Maui Imaging, Inc. Ultrasound imaging system memory architecture
WO2014160291A1 (en) 2013-03-13 2014-10-02 Maui Imaging, Inc. Alignment of ultrasound transducer arrays and multiple aperture probe assembly
US9883848B2 (en) 2013-09-13 2018-02-06 Maui Imaging, Inc. Ultrasound imaging using apparent point-source transmit transducer
US9372256B2 (en) * 2014-02-26 2016-06-21 Farrokh Mohamadi Wafer scale sensor ultra-wideband array for tissue diagnosis
CA2944756C (en) * 2014-04-03 2023-08-29 Evolv Technologies, Inc. Feature extraction for radar
JP6656734B2 (ja) * 2014-04-07 2020-03-04 レヴィテクション エルティーディ．Ｌｅｖｉｔｅｃｔｉｏｎ Ｌｔｄ． 近傍領域における電磁波探査及び特定
EP3182900B1 (de) 2014-08-18 2019-09-25 Maui Imaging, Inc. Netzwerkbasiertes ultraschallabbildungssystem
EP3408037A4 (de) 2016-01-27 2019-10-23 Maui Imaging, Inc. Ultraschallbildgebung mit spärlichen array-sonden
WO2017175190A1 (en) 2016-04-07 2017-10-12 Uhnder, Inc. Adaptive transmission and interference cancellation for mimo radar
US10261179B2 (en) 2016-04-07 2019-04-16 Uhnder, Inc. Software defined automotive radar
US9846228B2 (en) 2016-04-07 2017-12-19 Uhnder, Inc. Software defined automotive radar systems
US9791564B1 (en) 2016-04-25 2017-10-17 Uhnder, Inc. Adaptive filtering for FMCW interference mitigation in PMCW radar systems
US10573959B2 (en) 2016-04-25 2020-02-25 Uhnder, Inc. Vehicle radar system using shaped antenna patterns
US9945935B2 (en) 2016-04-25 2018-04-17 Uhnder, Inc. Digital frequency modulated continuous wave radar using handcrafted constant envelope modulation
US9772397B1 (en) 2016-04-25 2017-09-26 Uhnder, Inc. PMCW-PMCW interference mitigation
WO2017187242A1 (en) 2016-04-25 2017-11-02 Uhnder, Inc. On-demand multi-scan micro doppler for vehicle
WO2017187331A1 (en) 2016-04-25 2017-11-02 Uhnder, Inc. Vehicle radar system with a shared radar and communication system
WO2017187299A2 (en) 2016-04-25 2017-11-02 Uhnder, Inc. Successive signal interference mitigation
US9575160B1 (en) 2016-04-25 2017-02-21 Uhnder, Inc. Vehicular radar sensing system utilizing high rate true random number generator
US9791551B1 (en) * 2016-04-25 2017-10-17 Uhnder, Inc. Vehicular radar system with self-interference cancellation
US9753121B1 (en) 2016-06-20 2017-09-05 Uhnder, Inc. Power control for improved near-far performance of radar systems
US10447392B2 (en) 2016-07-01 2019-10-15 Elwha Llc Massively multi-user MIMO using space time holography
US10374669B2 (en) 2016-08-31 2019-08-06 Elwha Llc Tunable medium linear coder
US9869762B1 (en) 2016-09-16 2018-01-16 Uhnder, Inc. Virtual radar configuration for 2D array
US10782394B2 (en) 2017-02-08 2020-09-22 Texas Instruments Incorporated Slim object detection using multi-polarized millimeter wave signals
WO2018146530A1 (en) 2017-02-10 2018-08-16 Uhnder, Inc. Reduced complexity fft-based correlation for automotive radar
US11454697B2 (en) 2017-02-10 2022-09-27 Uhnder, Inc. Increasing performance of a receive pipeline of a radar with memory optimization
WO2018146633A1 (en) 2017-02-10 2018-08-16 Uhnder, Inc. Programmable code generation for radar sensing systems
US10359513B2 (en) * 2017-05-03 2019-07-23 Elwha Llc Dynamic-metamaterial coded-aperture imaging
US10425837B2 (en) 2017-10-02 2019-09-24 The Invention Science Fund I, Llc Time reversal beamforming techniques with metamaterial antennas
US10833381B2 (en) 2017-11-08 2020-11-10 The Invention Science Fund I Llc Metamaterial phase shifters
US11105890B2 (en) 2017-12-14 2021-08-31 Uhnder, Inc. Frequency modulated signal cancellation in variable power mode for radar applications
WO2020077067A1 (en) * 2018-10-12 2020-04-16 Massachusetts Institute Of Technology Heterogeneous subsurface imaging systems and methods
US11841265B2 (en) 2018-10-12 2023-12-12 The Trustees Of Boston University Heterogeneous subsurface imaging systems and methods
US11474225B2 (en) 2018-11-09 2022-10-18 Uhnder, Inc. Pulse digital mimo radar system
WO2020183392A1 (en) 2019-03-12 2020-09-17 Uhnder, Inc. Method and apparatus for mitigation of low frequency noise in radar systems
US20210215820A1 (en) 2020-01-13 2021-07-15 Uhnder, Inc. Method and system for intefrence management for digital radars

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3178711A (en) * 1959-08-06 1965-04-13 North American Aviation Inc High resolution scanning radar
DE2203442C2 (de) * 1972-01-25 1974-04-11 Standard Elektrik Lorenz Ag Funknavigationssystem mit zyklischer Impulsabstrahlung durch eine Strahlerzeile zur Azimut- oder Elevationsbestimmung
GB2034554B (en) * 1978-11-09 1982-12-15 Emi Ltd Holographic imaging using electromagnetic waves
GB8825435D0 (en) * 1988-10-31 1988-12-29 Cross T E Detection of non metallic material
DE4007612C1 (de) * 1990-03-09 1991-05-16 Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De
US5339080A (en) * 1993-04-08 1994-08-16 Coleman Research Corporation Earth-penetrating synthetic image radar

Also Published As

Publication number Publication date
DE69734081D1 (de) 2005-10-06
EP0812005B1 (de) 2005-08-31
EP0812005A2 (de) 1997-12-10
US5920285A (en) 1999-07-06
GB9711365D0 (en) 1997-07-30
EP0812005A3 (de) 1999-12-08
GB9611800D0 (en) 1996-08-07
GB2313956A (en) 1997-12-10

Similar Documents

Publication Publication Date Title
DE69734081T2 (de) Ferndetektionssysteme mit Nachempfangsfokussierung
DE69629547D1 (de) Fernsensor mit Bereitschaftsbetrieb
DE69733511D1 (de) Radaranlage mit vereinfachter Bauart
DE69715822T2 (de) Zündsystem mit ionisationsdetektor
DE69536055D1 (de) Ortungsanlage
NO954851D0 (no) Transponder detekteringssystem
DE69706040T2 (de) Sensorsysteme
BR9404412A (pt) Sistema de monitoramento
NO983086D0 (no) Fjernstyringssystem
DE69836580D1 (de) Erkennungssystem
DE69421067D1 (de) System zur gefahrwahrnehmungspruefung
DE69738270D1 (de) Erfassungssystem
DE69701557T2 (de) Verbinder mit Kupplungserkennungsmitteln
DE69726777D1 (de) Empfänger mit Differenzdetektion
BR9401853A (pt) Sistema de ligaçoes
DE69717412D1 (de) Übertragungssystem mit verbesserter verriegelungserkennung
DE69735107D1 (de) Detektionssystem mit erhöhter rauschtoleranz
DE69811588T2 (de) Schaltersystem mit Gangerkennung
DE69410805T2 (de) Mehrfachsensorsysteme
ATA86997A (de) Fernüberwachungssystem
DE29609453U1 (de) Zentrales Ferntastsystem
DE29619420U1 (de) Bauelement-System mit ineinander greifenden Elementen
KR950001041U (ko) 빗물감지장치
DE29620032U1 (de) Alarmanlage
DE29609583U1 (de) Alarmanlage

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
R082 Change of representative

Ref document number: 812005

Country of ref document: EP

Representative=s name: MEHLER ACHLER PATENTANWAELTE, 65185 WIESBADEN, DE