FR2489528B1 - Procede et appareil pour determiner la position d'un objet dans un espace confine - Google Patents
Procede et appareil pour determiner la position d'un objet dans un espace confineInfo
- Publication number
- FR2489528B1 FR2489528B1 FR8116485A FR8116485A FR2489528B1 FR 2489528 B1 FR2489528 B1 FR 2489528B1 FR 8116485 A FR8116485 A FR 8116485A FR 8116485 A FR8116485 A FR 8116485A FR 2489528 B1 FR2489528 B1 FR 2489528B1
- Authority
- FR
- France
- Prior art keywords
- determining
- confined space
- confined
- space
- 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
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
- G01S13/02—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
- 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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Computer Networks & Wireless Communication (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB8027952 | 1980-08-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2489528A1 FR2489528A1 (fr) | 1982-03-05 |
FR2489528B1 true FR2489528B1 (fr) | 1985-10-25 |
Family
ID=10515720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8116485A Expired FR2489528B1 (fr) | 1980-08-29 | 1981-08-28 | Procede et appareil pour determiner la position d'un objet dans un espace confine |
Country Status (6)
Country | Link |
---|---|
US (1) | US4443792A (fr) |
AU (1) | AU540607B2 (fr) |
BE (1) | BE890143A (fr) |
DE (1) | DE3134243A1 (fr) |
FR (1) | FR2489528B1 (fr) |
ZA (1) | ZA815529B (fr) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4620192A (en) * | 1983-09-29 | 1986-10-28 | Raytheon Company | Continuous wave radar with ranging capability |
US4895441A (en) * | 1987-03-19 | 1990-01-23 | Pandel Instruments, Inc. | Method and apparatus for precision ranging |
NL8702342A (nl) * | 1987-10-01 | 1989-05-01 | Hollandse Signaalapparaten Bv | Fm-cw radarapparaat. |
FR2622021B1 (fr) * | 1987-10-16 | 1990-05-04 | Trt Telecom Radio Electr | Dispositif pour mesurer la distance " h " qui le separe d'un objet |
US5049858A (en) * | 1990-04-23 | 1991-09-17 | Physitron, Inc. | Intrusion detection system |
CA2046952C (fr) * | 1990-07-13 | 2002-01-29 | Jeffrey James Felice | Dispositif de mesure |
WO1992014124A1 (fr) * | 1991-02-12 | 1992-08-20 | Krohne Messtechnik Gmbh & Co. Kg | Circuit electrique pour appareils de mesure du niveau de citernes industrielles et similaires |
DE4234300C2 (de) * | 1992-10-12 | 1998-11-26 | Grieshaber Vega Kg | Füllstand-Meßverfahren |
US5321408A (en) * | 1992-12-31 | 1994-06-14 | Baker Hughes Incorporated | Microwave apparatus and method for ullage measurement of agitated fluids by spectral averaging |
DE4331353C2 (de) * | 1993-09-15 | 1995-08-31 | Endress Hauser Gmbh Co | Radar-Abstandsmeßgerät |
DE4345242A1 (de) * | 1993-09-15 | 1995-04-06 | Endress Hauser Gmbh Co | Frequenzumsetzungsschaltung für ein Radar-Abstandsmeßgerät |
DE4332071C2 (de) * | 1993-09-21 | 1995-09-07 | Endress Hauser Gmbh Co | Verfahren zur Füllstandsmessung nach dem Radarprinzip |
DE69730416T2 (de) * | 1997-06-27 | 2005-09-08 | Eads Deutschland Gmbh | Füllstandmessradargerät |
JP3518725B2 (ja) * | 1998-06-29 | 2004-04-12 | オムロン株式会社 | レーダ装置および物体探知方法 |
DE19961855B4 (de) * | 1999-12-22 | 2007-11-29 | Endress + Hauser Gmbh + Co. Kg | Verfahren und Vorrichtung zur Bestimmung des Füllstands eines Füllguts in einem Behälter |
US20050233278A1 (en) * | 2004-04-20 | 2005-10-20 | Yunsoon Kim | Pin for fixing dental model |
US7679545B2 (en) * | 2004-08-05 | 2010-03-16 | Georgia Tech Research Corporation | Suppressing motion interference in a radar detection system |
US7823446B2 (en) * | 2006-11-06 | 2010-11-02 | Rosemount Tank Radar Ab | Pulsed radar level gauging with relative phase detection |
DE602008005577D1 (de) * | 2008-07-28 | 2011-04-28 | Siemens Milltronics Proc Instr | Pulsradarabstandsmessungssystem |
US9541444B2 (en) * | 2014-04-01 | 2017-01-10 | Rosemount Tank Radar Ab | Self-diagnosing FMCW radar level gauge |
US10371558B2 (en) * | 2016-08-31 | 2019-08-06 | Deere & Company | System and method for measuring a bin level via an electromagnetic signal |
US10481105B2 (en) | 2016-08-31 | 2019-11-19 | Deere & Company | Measurement device and method for estimating yield of a harvested crop |
US10585185B2 (en) | 2017-02-03 | 2020-03-10 | Rohde & Schwarz Gmbh & Co. Kg | Security scanning system with walk-through-gate |
CN116755088B (zh) * | 2023-08-09 | 2023-11-17 | 中国科学院空天信息创新研究院 | 一种基于雷达的粮仓深度与异物的探测与成像方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1100119A (en) * | 1965-03-12 | 1968-01-24 | Cambridge Consultants | Method of and apparatus for detecting and measuring amounts of material |
FR2057197A5 (fr) * | 1969-08-05 | 1971-05-21 | Thomson Csf | |
US3680074A (en) * | 1969-11-03 | 1972-07-25 | Zeev Lieser | Intrusion systems employing digital processing circuitry |
US3703722A (en) * | 1971-06-02 | 1972-11-21 | E Systems Inc | Motion detection system with split-ring monostatic doppler detection |
DE2129290B2 (de) * | 1971-06-12 | 1973-11-08 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Vorrichtung zum Messen des Full Standes von Hochofen |
US3967283A (en) * | 1974-02-13 | 1976-06-29 | Automation Industries, Inc. | Large area motion sensor |
IT1160079B (it) * | 1977-11-17 | 1987-03-04 | Nec Corp | Radar per l'indicazione di oggetti in movimento |
GB2020507B (en) * | 1978-02-24 | 1982-04-28 | Hawker Siddeley Dynamics Eng | Method and apparatus for measurement of the contents of a bunker or silo |
DE2818942C2 (de) * | 1978-04-28 | 1986-03-27 | Zellweger Uster Ag, Uster | Verfahren zur Raumüberwachung und Vorrichtung zur Durchführung des Verfahrens |
-
1981
- 1981-08-11 US US06/291,884 patent/US4443792A/en not_active Expired - Fee Related
- 1981-08-11 ZA ZA815529A patent/ZA815529B/xx unknown
- 1981-08-20 AU AU74356/81A patent/AU540607B2/en not_active Ceased
- 1981-08-28 BE BE0/205809A patent/BE890143A/fr not_active IP Right Cessation
- 1981-08-28 FR FR8116485A patent/FR2489528B1/fr not_active Expired
- 1981-08-29 DE DE19813134243 patent/DE3134243A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
US4443792A (en) | 1984-04-17 |
DE3134243A1 (de) | 1982-07-01 |
FR2489528A1 (fr) | 1982-03-05 |
BE890143A (fr) | 1981-12-16 |
AU540607B2 (en) | 1984-11-29 |
ZA815529B (en) | 1982-08-25 |
AU7435681A (en) | 1982-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |