FR2641872B1 - Systeme de localisation d'helicopteres dissimules derriere un ecran vegetal - Google Patents
Systeme de localisation d'helicopteres dissimules derriere un ecran vegetalInfo
- Publication number
- FR2641872B1 FR2641872B1 FR8900538A FR8900538A FR2641872B1 FR 2641872 B1 FR2641872 B1 FR 2641872B1 FR 8900538 A FR8900538 A FR 8900538A FR 8900538 A FR8900538 A FR 8900538A FR 2641872 B1 FR2641872 B1 FR 2641872B1
- Authority
- FR
- France
- Prior art keywords
- helicopters
- behind
- plant screen
- locating hidden
- hidden
- 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
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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F41—WEAPONS
- F41G—WEAPON SIGHTS; AIMING
- F41G5/00—Elevating or traversing control systems for guns
- F41G5/12—Elevating or traversing control systems for guns acoustically influenced
-
- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/87—Combinations of systems using electromagnetic waves other than radio waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V1/00—Seismology; Seismic or acoustic prospecting or detecting
- G01V1/001—Acoustic presence detection
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Remote Sensing (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Life Sciences & Earth Sciences (AREA)
- Computer Networks & Wireless Communication (AREA)
- Electromagnetism (AREA)
- Geology (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- General Engineering & Computer Science (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900538A FR2641872B1 (fr) | 1989-01-18 | 1989-01-18 | Systeme de localisation d'helicopteres dissimules derriere un ecran vegetal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8900538A FR2641872B1 (fr) | 1989-01-18 | 1989-01-18 | Systeme de localisation d'helicopteres dissimules derriere un ecran vegetal |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2641872A1 FR2641872A1 (fr) | 1990-07-20 |
FR2641872B1 true FR2641872B1 (fr) | 1991-10-11 |
Family
ID=9377820
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8900538A Expired - Lifetime FR2641872B1 (fr) | 1989-01-18 | 1989-01-18 | Systeme de localisation d'helicopteres dissimules derriere un ecran vegetal |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2641872B1 (fr) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2715231B1 (fr) * | 1994-01-18 | 1996-04-19 | Mesure Inf Sarl | Procédé de détection d'ondes électromagnétiques réfléchies par des objets vibrants. |
DE10240314A1 (de) * | 2002-08-31 | 2004-03-11 | Rheinmetall W & M Gmbh | Vorrichtung zum Bekämpfen von Zielen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL133616C (fr) * | 1966-02-16 | |||
US3474253A (en) * | 1966-06-02 | 1969-10-21 | Us Navy | Method and apparatus for optically detecting acoustic disturbances |
DE2829239C1 (de) * | 1978-07-04 | 1983-06-09 | Eltro GmbH, Gesellschaft für Strahlungstechnik, 6900 Heidelberg | Verfahren und Anordnung zur Erkennung eines anfliegenden Hubschraubers zum Zweck einer Abwehraktion |
US4386848A (en) * | 1980-08-11 | 1983-06-07 | Martin Marietta Corporation | Optical target tracking and designating system |
CA1224935A (fr) * | 1984-11-28 | 1987-08-04 | Her Majesty The Queen, In Right Of Canada, As Represented By The Ministe R Of The National Research Council And The Minister Of Energy, Mines And Resources | Reception interferometrique optique des ultrasons |
US4721385A (en) * | 1985-02-11 | 1988-01-26 | Raytheon Company | FM-CW laser radar system |
US4790651A (en) * | 1987-09-30 | 1988-12-13 | Chesapeake Laser Systems, Inc. | Tracking laser interferometer |
-
1989
- 1989-01-18 FR FR8900538A patent/FR2641872B1/fr not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
FR2641872A1 (fr) | 1990-07-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |