DE3519254A1 - Ultraschall-entfernungsmesser - Google Patents

Ultraschall-entfernungsmesser

Info

Publication number
DE3519254A1
DE3519254A1 DE19853519254 DE3519254A DE3519254A1 DE 3519254 A1 DE3519254 A1 DE 3519254A1 DE 19853519254 DE19853519254 DE 19853519254 DE 3519254 A DE3519254 A DE 3519254A DE 3519254 A1 DE3519254 A1 DE 3519254A1
Authority
DE
Germany
Prior art keywords
wave
ultrasonic
opening
range finder
ultrasonic range
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.)
Granted
Application number
DE19853519254
Other languages
German (de)
English (en)
Other versions
DE3519254C2 (US20110009641A1-20110113-C00185.png
Inventor
Hiroshi Yokohama Kanagawa Kobayashi
Hiroaki Yokosuka Kanagawa Oubayashi
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
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
Priority claimed from JP10756084A external-priority patent/JPS60252284A/ja
Priority claimed from JP10755984A external-priority patent/JPS60252283A/ja
Priority claimed from JP7791984U external-priority patent/JPS60189874U/ja
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of DE3519254A1 publication Critical patent/DE3519254A1/de
Application granted granted Critical
Publication of DE3519254C2 publication Critical patent/DE3519254C2/de
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/004—Mounting transducers, e.g. provided with mechanical moving or orienting device
    • 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/521—Constructional features
    • 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
    • G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
    • G01S7/523—Details of pulse systems
    • G01S7/526—Receivers
    • G01S7/527—Extracting wanted echo signals
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/002—Devices for damping, suppressing, obstructing or conducting sound in acoustic devices
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
    • G11B20/10—Digital recording or reproducing
    • G11B20/18—Error detection or correction; Testing, e.g. of drop-outs
    • G11B20/1876—Interpolating methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
DE19853519254 1984-05-29 1985-05-29 Ultraschall-entfernungsmesser Granted DE3519254A1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP10756084A JPS60252284A (ja) 1984-05-29 1984-05-29 超音波センサ
JP10755984A JPS60252283A (ja) 1984-05-29 1984-05-29 超音波センサ
JP7791984U JPS60189874U (ja) 1984-05-29 1984-05-29 超音波送受波器

Publications (2)

Publication Number Publication Date
DE3519254A1 true DE3519254A1 (de) 1985-12-05
DE3519254C2 DE3519254C2 (US20110009641A1-20110113-C00185.png) 1987-10-08

Family

ID=27302560

Family Applications (2)

Application Number Title Priority Date Filing Date
DE19853519254 Granted DE3519254A1 (de) 1984-05-29 1985-05-29 Ultraschall-entfernungsmesser
DE3546565A Expired - Lifetime DE3546565C2 (de) 1984-05-29 1985-05-29 Ultraschall-Entfernungsmeser

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE3546565A Expired - Lifetime DE3546565C2 (de) 1984-05-29 1985-05-29 Ultraschall-Entfernungsmeser

Country Status (3)

Country Link
US (2) US4739860A (US20110009641A1-20110113-C00185.png)
DE (2) DE3519254A1 (US20110009641A1-20110113-C00185.png)
GB (3) GB2160321B (US20110009641A1-20110113-C00185.png)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3617039A1 (de) * 1986-02-21 1987-08-27 Niles Parts Co Ltd Vorrichtung zur verhinderung der uebertragung von nebenwellen bei einer ultraschallsender- und -empfaengereinrichtung an fahrzeugen
DE3627015A1 (de) * 1986-08-09 1988-02-11 Krupp Gmbh Automatisches regelsystem fuer eine kontinuierliche schnittkantenregelung
DE3919091A1 (de) * 1989-06-10 1990-12-13 Heinz Plauschineit Meldeanordnung mit einer bei bedarf signale abgebenden meldevorrichtung
DE3939387A1 (de) * 1989-11-29 1991-06-06 Swf Auto Electric Gmbh Abstandswarnanlage, insbesondere fuer kraftfahrzeuge
DE102007036166B4 (de) * 2007-08-02 2013-10-17 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Aufnahme wenigstens eines Ultraschallsensors in einem verfahrbaren Gerät, insbesondere einem autonom betriebenen Staubsammelroboter, und verfahrbares Gerät mit einer solchen Vorrichtung
DE102012207164A1 (de) 2012-04-30 2013-10-31 Robert Bosch Gmbh Verfahren zum Betreiben eines Abstandssensors zur Umfelderkennung

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6060024A (ja) * 1983-09-09 1985-04-06 Nissan Motor Co Ltd 車両におけるロ−ル剛性制御装置
US4739860A (en) * 1984-05-29 1988-04-26 Nissan Motor Co., Ltd. Ultrasonic rangefinder
GB8718717D0 (en) * 1987-08-07 1987-09-16 Sonin Inc Measuring distances
US4964104A (en) * 1989-01-09 1990-10-16 Motorola Inc. System for measuring position using electronic or ultrasonic devices
DE8902375U1 (de) * 1989-02-25 1989-04-27 Krone AG, 1000 Berlin Ultraschall-Meßgerät
FR2654520B1 (fr) * 1989-11-10 1992-08-14 Midirobots Dispositif de detection d'objets par capteurs ultrasoniques.
DE4000698A1 (de) * 1990-01-12 1991-07-18 Hermesmeyer Alexander C Dipl I Vorrichtung und verfahren zum erkennen der anwesenheit eines fahrzeugs mittels einer ultraschallvorrichtung
US6334505B1 (en) * 1990-11-15 2002-01-01 Ming-Chiang Li Optimum edges for speakers and musical instruments
JP2702817B2 (ja) * 1991-03-05 1998-01-26 ダイワ精工株式会社 魚釣用リールの糸長計測装置
US5427323A (en) * 1992-10-09 1995-06-27 Daiwa Seiko, Inc. Fishline length measurement device
GB9314822D0 (en) * 1993-07-17 1993-09-01 Central Research Lab Ltd Determination of position
JP2982657B2 (ja) * 1995-06-23 1999-11-29 株式会社村田製作所 超音波距離計装置
US5907521A (en) * 1995-06-23 1999-05-25 Murata Manufacturing Co., Ltd. Ultrasonic range finder using ultrasonic sensor
DE19601656B4 (de) * 1996-01-18 2009-07-16 Valeo Schalter Und Sensoren Gmbh Bedämpfter Ultraschallwandler
US5684756A (en) * 1996-01-22 1997-11-04 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Noise reducing screen devices for in-flow pressure sensors
GB9618947D0 (en) * 1996-09-11 1996-10-23 Hustwitt Michael W Ultrasonic object detection system
GB2352294A (en) * 1996-09-11 2001-01-24 Michael William Hustwitt Ultrasonic object detection system
JPH10123235A (ja) * 1996-10-15 1998-05-15 Denso Corp 超音波センサ及び車両用障害物検出装置
US6067080A (en) * 1997-02-21 2000-05-23 Electronics For Imaging Retrofittable apparatus for converting a substantially planar surface into an electronic data capture device
US6326565B1 (en) 1997-02-28 2001-12-04 Electronics For Imaging, Inc. Marking device for electronic presentation board
US6292177B1 (en) 1997-03-05 2001-09-18 Tidenet, Inc. Marking device for electronic presentation board
US6442213B1 (en) * 1997-04-22 2002-08-27 Silicon Laboratories Inc. Digital isolation system with hybrid circuit in ADC calibration loop
JP3267231B2 (ja) * 1998-02-23 2002-03-18 日本電気株式会社 超指向性スピーカ
US6151014A (en) * 1998-02-26 2000-11-21 Pagasus Technologies Ltd. Systems and processing algorithms for ultrasound time-of-flight digitizer systems
GB2339021A (en) * 1998-06-30 2000-01-12 Subacoustech Limited Distance measuring systems and aircraft altimeters
US6115326A (en) * 1998-10-22 2000-09-05 Integrated Medical Systems, Inc. Ultrasonic micro-machined selectable transducer array
US6094402A (en) * 1998-11-23 2000-07-25 Trw Inc. Ultrasonic transducer
DE19937195B4 (de) * 1999-08-06 2006-03-09 Valeo Schalter Und Sensoren Gmbh Ultraschallwandler
US6392327B1 (en) 2000-03-29 2002-05-21 James L. Sackrison Sonic transducer and feedback control method thereof
JP4381674B2 (ja) * 2002-10-28 2009-12-09 三菱電機株式会社 超音波利用装置
US7305886B2 (en) * 2004-06-07 2007-12-11 Board Of Trustees Of Michigan State University Noise detecting apparatus
US8555721B2 (en) * 2007-12-27 2013-10-15 Scott Taillet Sound measuring device
JP5755993B2 (ja) * 2011-10-21 2015-07-29 理想科学工業株式会社 超音波センサ
US9081094B2 (en) * 2012-02-22 2015-07-14 Honeywell International Inc. Aircraft radar altimeter structure
CN104303213B (zh) * 2012-05-08 2018-11-13 梅伊有限公司 声硬币传感器
DE102013211846A1 (de) * 2013-06-21 2014-12-24 Robert Bosch Gmbh Verfahren zum Betrieb eines Umfelderfassungssystems eines Fahrzeugs
KR20150118495A (ko) * 2014-04-14 2015-10-22 삼성전자주식회사 초음파 프로브, 초음파 영상 장치 및 초음파 영상 장치를 제어하는 방법
JP6748507B2 (ja) * 2016-07-29 2020-09-02 キヤノン株式会社 情報処理装置及び情報処理装置の製造方法

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086033B (de) 1955-04-08 1960-07-28 Willibald Hauer Luftresonator zur Raumschalldaempfung
US3234502A (en) * 1963-07-29 1966-02-08 Charles A Sicuranza Echo ranging apparatus
DE1943772U (de) 1966-02-17 1966-08-04 Walter Ploeger Leuchtzeichengeber fuer kraftfahrzeuge.
DE2038839A1 (de) 1969-08-07 1971-02-18 Cosmocord Ltd Schallschutzvorrichtung fuer Ohren
DE2113073A1 (de) 1970-03-18 1971-10-07 Ind Patent Dev Corp Stercophonischer Kopfhoerer
DE2408028A1 (de) 1974-02-20 1975-08-21 Freudenberg Carl Fa Schallschluckanordnung
DE2906704A1 (de) 1978-02-22 1979-08-30 Fischer & Porter Co Ultraschalltransponder
GB1553933A (en) 1976-04-27 1979-10-17 Tokyo Shibaura Electric Co Probe for ultrasonic diagnostic apparatus
DE2834683B1 (de) 1978-08-08 1979-10-31 Weltin Optac Schallabsorber
DE2905804A1 (de) 1979-02-15 1980-08-28 Bosch Siemens Hausgeraete Geraet zur raumueberwachung
DE3115321A1 (de) * 1980-07-10 1982-02-04 Nippon Soken "ultraschall-sende-und-empfangseinrichtung fuer fahrzeuge"
US4326274A (en) 1979-07-04 1982-04-20 Kabushiki Kaisha Morita Seisakusho Transmission system of aerial ultrasonic pulse and ultrasonic transmitter and receiver used in the system
DE3137745A1 (de) * 1981-09-23 1983-04-07 Egon 5000 Köln Gelhard Sensor fuer die durchfuehrung der distanzmessung nach dem ultraschalll-echoprinzip
JPS58182571A (ja) * 1982-04-20 1983-10-25 Nippon Denso Co Ltd 車輌用障害物検出装置
JPS58189573A (ja) * 1982-04-28 1983-11-05 Diesel Kiki Co Ltd 車輛用障害物検出装置

Family Cites Families (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190466A (en) * 1937-10-08 1940-02-13 Bell Telephone Labor Inc Telephone substation apparatus
US2611445A (en) * 1948-01-29 1952-09-23 Stromberg Carlson Co Echo ranging system
US2580439A (en) * 1949-09-07 1952-01-01 Bell Telephone Labor Inc Directional acoustic system
US2795709A (en) * 1953-12-21 1957-06-11 Bendix Aviat Corp Electroplated ceramic rings
GB862031A (en) * 1958-09-19 1961-03-01 Babcock & Wilcox Ltd An improved method of and apparatus for ultrasonically testing butt welds
US3234501A (en) * 1962-05-07 1966-02-08 Gen Signal Corp Protective casing for ultrasonic transducers
US3427866A (en) * 1965-10-26 1969-02-18 Frederick Gordon Weighart Ultrasonic thickness gauge and flow detector
US3512605A (en) * 1967-08-31 1970-05-19 David D Mccorkle Stereo speaker headrest for an automobile seat
CA918367A (en) * 1968-08-28 1973-01-09 Okada Hiroshi Press-molded cross-linked polyolefin foams and a process for producing the same
FR2189970A1 (en) * 1972-06-16 1974-01-25 Cartonnage Ste Enerale Acoustically insulating enclosures - comprising a cellulosic fibre shell lined with polyurethane foam
JPS5321953A (en) * 1976-08-12 1978-02-28 Matsushita Electric Works Ltd Ultrasonic wave transmitting and receiving apparatus
JPS5845673B2 (ja) * 1978-01-30 1983-10-12 オムロン株式会社 超音波式物体検知器
JPS56153268A (en) * 1980-04-30 1981-11-27 Diesel Kiki Co Ltd Distance measuring device
JPS56153267A (en) * 1980-04-30 1981-11-27 Diesel Kiki Co Ltd Distance measuring device using ultrasonic wave
US4333352A (en) * 1980-10-14 1982-06-08 Leeds & Northrup Company Injection-molded Doppler flowmeter transducer assembly
JPS5768574A (en) * 1980-10-16 1982-04-26 Hiroshi Shimoda Method of pumping up water in power plant utilizing wind and water power
JPS5768575A (en) * 1980-10-17 1982-04-26 Hiroyasu Funakubo Apparatus for feeding fluid under pressure
JPS5793271A (en) * 1980-12-02 1982-06-10 Nippon Denso Co Ltd Trouble detector in ultrasonic device
JPS5784375A (en) * 1980-11-14 1982-05-26 Nippon Denso Co Ltd Failure detector for supersonic device
JPS57175266A (en) * 1981-04-21 1982-10-28 Nippon Denso Co Ltd Obstacle detector for car
JPS57179678A (en) * 1981-04-30 1982-11-05 Nippon Kikai Kogyo Kk Ultrasonic method and device for detecting distance
JPS57182544A (en) * 1981-05-06 1982-11-10 Nippon Denso Co Ltd Detector for road condition
JPS5866079A (ja) * 1981-10-15 1983-04-20 Sharp Corp 物体検知装置
JPS58115327U (ja) * 1982-01-22 1983-08-06 ドクター　アロイス　スタンキーヴィッツ　ゲゼルシャフト　ミット　ベシュレンクテル　ハフツング 内装遮音材
JPS58184359A (ja) * 1982-04-22 1983-10-27 Mitsubishi Electric Corp 電動ポンプ用圧力タンク装置
JPS58188371A (ja) * 1982-04-26 1983-11-02 Mitsubishi Electric Corp 円盤状記録担体再生装置
GB2123952B (en) * 1982-06-23 1986-10-01 Univ Belfast Apparatus for and method of measuring the evenness of a surface
US4437332A (en) * 1982-09-30 1984-03-20 Krautkramer-Branson, Inc. Ultrasonic thickness measuring instrument
JPS59106084A (ja) * 1982-12-09 1984-06-19 Comput Basic Mach Technol Res Assoc 文字読取り装置
DE3301848C2 (de) * 1983-01-20 1984-11-08 Siemens AG, 1000 Berlin und 8000 München Ultraschallwandler
JPS59145666A (ja) * 1983-02-08 1984-08-21 Nissan Motor Co Ltd 路面状態検知装置および該検知装置を使用した制御装置
EP0136697A3 (en) * 1983-10-03 1987-03-25 Nissan Motor Co., Ltd. Ultrasonic vehicle rangefinder
JPS60189876A (ja) * 1984-03-09 1985-09-27 Japan Storage Battery Co Ltd 鉛電池用比重センサ
JPS60189873A (ja) * 1984-03-09 1985-09-27 Japan Storage Battery Co Ltd モノブロツク鉛蓄電池
US4739860A (en) * 1984-05-29 1988-04-26 Nissan Motor Co., Ltd. Ultrasonic rangefinder
GB8432508D0 (en) * 1984-12-21 1985-02-06 Avtaec Ltd Underwater transducers

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1086033B (de) 1955-04-08 1960-07-28 Willibald Hauer Luftresonator zur Raumschalldaempfung
US3234502A (en) * 1963-07-29 1966-02-08 Charles A Sicuranza Echo ranging apparatus
DE1943772U (de) 1966-02-17 1966-08-04 Walter Ploeger Leuchtzeichengeber fuer kraftfahrzeuge.
DE2038839A1 (de) 1969-08-07 1971-02-18 Cosmocord Ltd Schallschutzvorrichtung fuer Ohren
DE2113073A1 (de) 1970-03-18 1971-10-07 Ind Patent Dev Corp Stercophonischer Kopfhoerer
DE2408028A1 (de) 1974-02-20 1975-08-21 Freudenberg Carl Fa Schallschluckanordnung
GB1553933A (en) 1976-04-27 1979-10-17 Tokyo Shibaura Electric Co Probe for ultrasonic diagnostic apparatus
DE2906704A1 (de) 1978-02-22 1979-08-30 Fischer & Porter Co Ultraschalltransponder
DE2834683B1 (de) 1978-08-08 1979-10-31 Weltin Optac Schallabsorber
DE2905804A1 (de) 1979-02-15 1980-08-28 Bosch Siemens Hausgeraete Geraet zur raumueberwachung
US4326274A (en) 1979-07-04 1982-04-20 Kabushiki Kaisha Morita Seisakusho Transmission system of aerial ultrasonic pulse and ultrasonic transmitter and receiver used in the system
DE3115321A1 (de) * 1980-07-10 1982-02-04 Nippon Soken "ultraschall-sende-und-empfangseinrichtung fuer fahrzeuge"
DE3137745A1 (de) * 1981-09-23 1983-04-07 Egon 5000 Köln Gelhard Sensor fuer die durchfuehrung der distanzmessung nach dem ultraschalll-echoprinzip
JPS58182571A (ja) * 1982-04-20 1983-10-25 Nippon Denso Co Ltd 車輌用障害物検出装置
JPS58189573A (ja) * 1982-04-28 1983-11-05 Diesel Kiki Co Ltd 車輛用障害物検出装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3617039A1 (de) * 1986-02-21 1987-08-27 Niles Parts Co Ltd Vorrichtung zur verhinderung der uebertragung von nebenwellen bei einer ultraschallsender- und -empfaengereinrichtung an fahrzeugen
DE3627015A1 (de) * 1986-08-09 1988-02-11 Krupp Gmbh Automatisches regelsystem fuer eine kontinuierliche schnittkantenregelung
DE3919091A1 (de) * 1989-06-10 1990-12-13 Heinz Plauschineit Meldeanordnung mit einer bei bedarf signale abgebenden meldevorrichtung
DE3939387A1 (de) * 1989-11-29 1991-06-06 Swf Auto Electric Gmbh Abstandswarnanlage, insbesondere fuer kraftfahrzeuge
DE102007036166B4 (de) * 2007-08-02 2013-10-17 BSH Bosch und Siemens Hausgeräte GmbH Vorrichtung zur Aufnahme wenigstens eines Ultraschallsensors in einem verfahrbaren Gerät, insbesondere einem autonom betriebenen Staubsammelroboter, und verfahrbares Gerät mit einer solchen Vorrichtung
DE102012207164A1 (de) 2012-04-30 2013-10-31 Robert Bosch Gmbh Verfahren zum Betreiben eines Abstandssensors zur Umfelderkennung
WO2013164115A1 (de) 2012-04-30 2013-11-07 Robert Bosch Gmbh Verfahren zum betreiben eines abstandssensors zur umfelderkennung

Also Published As

Publication number Publication date
DE3519254C2 (US20110009641A1-20110113-C00185.png) 1987-10-08
US4796726A (en) 1989-01-10
GB2185817A (en) 1987-07-29
GB8704173D0 (en) 1987-04-01
GB2160321B (en) 1988-10-12
GB8704174D0 (en) 1987-04-01
GB2186690B (en) 1988-10-12
GB2186690A (en) 1987-08-19
GB2160321A (en) 1985-12-18
GB8513476D0 (en) 1985-07-03
US4739860A (en) 1988-04-26
DE3546565C2 (de) 1993-12-23

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