DE3163473D1 - Distance measuring equipment - Google Patents

Distance measuring equipment

Info

Publication number
DE3163473D1
DE3163473D1 DE8181302212T DE3163473T DE3163473D1 DE 3163473 D1 DE3163473 D1 DE 3163473D1 DE 8181302212 T DE8181302212 T DE 8181302212T DE 3163473 T DE3163473 T DE 3163473T DE 3163473 D1 DE3163473 D1 DE 3163473D1
Authority
DE
Germany
Prior art keywords
distance measuring
measuring equipment
equipment
distance
measuring
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
Application number
DE8181302212T
Other languages
English (en)
Inventor
Tatsukichi Koshio
Osamu Okamoto
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.)
NEC Corp
Original Assignee
NEC Corp
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 JP6611380A external-priority patent/JPS6018018B2/ja
Priority claimed from JP12487480A external-priority patent/JPS5749877A/ja
Priority claimed from JP3028581A external-priority patent/JPS57144477A/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE3163473D1 publication Critical patent/DE3163473D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G01S13/74—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems
    • G01S13/76—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted
    • G01S13/78—Systems using reradiation of radio waves, e.g. secondary radar systems; Analogous systems wherein pulse-type signals are transmitted discriminating between different kinds of targets, e.g. IFF-radar, i.e. identification of friend or foe
    • G01S13/785—Distance Measuring Equipment [DME] systems
    • G01S13/788—Coders or decoders therefor; Special detection circuits
DE8181302212T 1980-05-19 1981-05-19 Distance measuring equipment Expired DE3163473D1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP6611380A JPS6018018B2 (ja) 1980-05-19 1980-05-19 距離測定装置
JP12487480A JPS5749877A (en) 1980-09-09 1980-09-09 Distance measuring device
JP3028581A JPS57144477A (en) 1981-03-03 1981-03-03 Range finder

Publications (1)

Publication Number Publication Date
DE3163473D1 true DE3163473D1 (en) 1984-06-14

Family

ID=27286910

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181302212T Expired DE3163473D1 (en) 1980-05-19 1981-05-19 Distance measuring equipment

Country Status (3)

Country Link
US (1) US4455556A (de)
EP (1) EP0040541B1 (de)
DE (1) DE3163473D1 (de)

Families Citing this family (38)

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FR2545297A1 (fr) * 1983-04-26 1984-11-02 Thomson Csf Dispositif de retard et son utilisation dans le dispositif de decodage d'un equipement de mesure de distance
JPS6064282A (ja) * 1983-09-19 1985-04-12 Nissan Motor Co Ltd 超音波式距離測定装置
US4672567A (en) * 1985-02-19 1987-06-09 Allied Corporation Median filter for reducing data error in distance measuring equipment
FR2579796A1 (fr) * 1985-04-02 1986-10-03 Thomson Csf Dispositif de generation d'un signal de forme complexe par approximations lineaires
DE68925998T2 (de) * 1988-06-29 1996-09-12 Topcon Corp Hochauflösendes Zeitdifferenzmessgerät
US5175695A (en) * 1989-09-11 1992-12-29 Suparules Limited UL trasonic measuring apparatus
IT1259026B (it) * 1992-05-21 1996-03-11 Alcatel Italia Disposizione per confrontare due raffiche di segnale, temporaneamente separate ed a due differenti frequenze
US5499199A (en) * 1993-10-05 1996-03-12 James G. Demas Distance measuring system
US5742635A (en) * 1994-05-05 1998-04-21 Sanconix, Inc. Enhanced time of arrival method
US5705750A (en) * 1995-03-15 1998-01-06 Sanyo Electric Co., Ltd. Ultrasonic sensor and pipetting apparatus using same
US5959568A (en) * 1996-06-26 1999-09-28 Par Goverment Systems Corporation Measuring distance
DE10247713A1 (de) * 2002-10-12 2004-04-22 Conti Temic Microelectronic Gmbh Verfahren zur Ermittlung des Abstands zwischen zwei Sende-Empfangs-Stationen
US7518532B2 (en) * 2005-05-26 2009-04-14 Tc License Ltd. Intermodulation mitigation technique in an RFID system
US9699607B2 (en) 2005-12-15 2017-07-04 Polte Corporation Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology
US7969311B2 (en) * 2005-12-15 2011-06-28 Invisitrack, Inc. Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology
US10091616B2 (en) 2005-12-15 2018-10-02 Polte Corporation Angle of arrival (AOA) positioning method and system for positional finding and tracking objects using reduced attenuation RF technology
US7872583B1 (en) * 2005-12-15 2011-01-18 Invisitrack, Inc. Methods and system for multi-path mitigation in tracking objects using reduced attenuation RF technology
US7561048B2 (en) * 2005-12-15 2009-07-14 Invisitrack, Inc. Methods and system for reduced attenuation in tracking objects using RF technology
US9288623B2 (en) 2005-12-15 2016-03-15 Invisitrack, Inc. Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology
US9913244B2 (en) 2005-12-15 2018-03-06 Polte Corporation Partially synchronized multilateration or trilateration method and system for positional finding using RF
US10834531B2 (en) 2005-12-15 2020-11-10 Polte Corporation Multi-path mitigation in rangefinding and tracking objects using reduced attenuation RF technology
US9813867B2 (en) 2005-12-15 2017-11-07 Polte Corporation Angle of arrival (AOA) positioning method and system for positional finding and tracking objects using reduced attenuation RF technology
US10281557B2 (en) 2005-12-15 2019-05-07 Polte Corporation Partially synchronized multilateration/trilateration method and system for positional finding using RF
JP5259093B2 (ja) * 2007-02-02 2013-08-07 株式会社東芝 Ｄｍｅ地上局装置
US20110221633A1 (en) * 2010-03-11 2011-09-15 Benjamin Bela Schramm Methods and systems for determining the distance between two objects using wirelessly transmitted pulses
US8837307B2 (en) 2010-05-26 2014-09-16 Qualcomm Incorporated Two-way ranging messaging scheme
US8886148B2 (en) * 2010-05-26 2014-11-11 Qualcomm Incorporated Signal based gain control
US8879407B2 (en) 2010-05-26 2014-11-04 Qualcomm Incorporated Two-way ranging messaging scheme
US8812063B2 (en) 2010-05-26 2014-08-19 Qualcomm Incorporated Signal characteristic-based leading edge detection
US8831141B2 (en) 2010-06-25 2014-09-09 Qualcomm Incorporated Leading edge detection
US11125850B2 (en) 2011-08-03 2021-09-21 Polte Corporation Systems and methods for determining a timing offset of emitter antennas in a wireless network
KR101876784B1 (ko) 2011-08-03 2018-07-10 폴테 코포레이션 감소된 감쇠 ｒｆ 기술을 이용하여 오브젝트들을 거리 측정 및 추적할 때의 다중―경로 저감
US11835639B2 (en) 2011-08-03 2023-12-05 Qualcomm Technologies, Inc. Partially synchronized multilateration or trilateration method and system for positional finding using RF
US10863313B2 (en) 2014-08-01 2020-12-08 Polte Corporation Network architecture and methods for location services
US10845453B2 (en) 2012-08-03 2020-11-24 Polte Corporation Network architecture and methods for location services
US10440512B2 (en) 2012-08-03 2019-10-08 Polte Corporation Angle of arrival (AOA) positioning method and system for positional finding and tracking objects using reduced attenuation RF technology
US11255945B2 (en) 2018-03-27 2022-02-22 Polte Corporation Multi-path mitigation in tracking objects using compressed RF data
US10820160B1 (en) 2020-01-24 2020-10-27 Rockwell Collins, Inc. HF positioning via smoothing of ionospheric undulations

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3267464A (en) * 1963-10-30 1966-08-16 Itt Rapid synchronous time interval detector
US3458817A (en) * 1967-02-13 1969-07-29 Westinghouse Electric Corp Microwave high power short pulse shaper
US3716857A (en) * 1970-11-27 1973-02-13 Itt A navigation system utilizing pulse timing
US3736589A (en) * 1971-12-13 1973-05-29 Westinghouse Electric Corp Means for generating a flat-topped pulse with sine-squared rise and fall characteristics
US3772699A (en) * 1972-08-23 1973-11-13 E Systems Inc Radio navigation pulse pair detector
US3870993A (en) * 1973-05-21 1975-03-11 Republic Electronics Ind Corp Distance measuring equipment for aircraft employing precision distance measuring means
US3890618A (en) * 1973-08-30 1975-06-17 Us Navy Bessel sequence echo-location system
US3934251A (en) * 1974-11-07 1976-01-20 The Bendix Corporation Automatic t0 control for use in airborne DME system
US4028698A (en) * 1975-09-02 1977-06-07 The Cessna Aircraft Company DME apparatus and method
US4123755A (en) * 1975-10-10 1978-10-31 William Fishbein Radar interference reduction
DE2630851A1 (de) * 1976-07-09 1978-01-12 Standard Elektrik Lorenz Ag Bezugsstation fuer ein entfernungsmessystem
US4213129A (en) * 1978-11-13 1980-07-15 Motorola, Inc. Delay stabilizing system
US4320399A (en) * 1980-10-09 1982-03-16 Westinghouse Electric Corp. Microwave pulse spectrum control

Also Published As

Publication number Publication date
EP0040541B1 (de) 1984-05-09
EP0040541A1 (de) 1981-11-25
US4455556A (en) 1984-06-19

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