FR2211660A1 - - Google Patents
Info
- Publication number
- FR2211660A1 FR2211660A1 FR7226156A FR7226156A FR2211660A1 FR 2211660 A1 FR2211660 A1 FR 2211660A1 FR 7226156 A FR7226156 A FR 7226156A FR 7226156 A FR7226156 A FR 7226156A FR 2211660 A1 FR2211660 A1 FR 2211660A1
- Authority
- FR
- France
- 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
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
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio 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
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio 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
- G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S5/18—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using ultrasonic, sonic, or infrasonic waves
- G01S5/20—Position of source determined by a plurality of spaced direction-finders
-
- 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
- G01S2205/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
- G01S2205/01—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations specially adapted for specific applications
- G01S2205/03—Airborne
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2137074A DE2137074A1 (de) | 1971-07-24 | 1971-07-24 | Verfahren und vorrichtung zum auffinden und verfolgen von schallabstrahlenden objekten im wasser |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2211660A1 true FR2211660A1 (xx) | 1974-07-19 |
FR2211660B1 FR2211660B1 (xx) | 1977-08-26 |
Family
ID=5814696
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7226156A Expired FR2211660B1 (xx) | 1971-07-24 | 1972-07-20 |
Country Status (5)
Country | Link |
---|---|
DE (1) | DE2137074A1 (xx) |
FR (1) | FR2211660B1 (xx) |
GB (1) | GB1360345A (xx) |
IT (1) | IT966656B (xx) |
NL (1) | NL7209602A (xx) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2937900C2 (de) * | 1979-09-19 | 1982-05-27 | Siemens AG, 1000 Berlin und 8000 München | Verfahren und Einrichtung zur automatischen Personenortung |
GB2133149B (en) * | 1982-05-10 | 1986-04-09 | Clive Robert Green | Detecting device |
SE455890B (sv) * | 1983-02-24 | 1988-08-15 | Philips Norden Ab | Sett att bestemma leget av en ljudkella inom ett vattenomrade samt anleggning for utforande av settet |
GB8716239D0 (en) * | 1987-07-10 | 1988-04-27 | British Aerospace | Position identification |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448713A (en) * | 1944-12-02 | 1948-09-07 | Rca Corp | Radio listening buoy |
FR1005524A (fr) * | 1947-08-01 | 1952-04-11 | Perfectionnements apportés aux bouées flottantes de repérage, notamment aux bouées de repérage et de détection des bancs de poissons | |
FR1240790A (fr) * | 1958-10-23 | 1960-09-09 | Dispositif de navigation pour avions |
-
1971
- 1971-07-24 DE DE2137074A patent/DE2137074A1/de active Pending
-
1972
- 1972-03-28 GB GB1457572A patent/GB1360345A/en not_active Expired
- 1972-06-23 IT IT26112/72A patent/IT966656B/it active
- 1972-07-12 NL NL7209602A patent/NL7209602A/xx unknown
- 1972-07-20 FR FR7226156A patent/FR2211660B1/fr not_active Expired
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2448713A (en) * | 1944-12-02 | 1948-09-07 | Rca Corp | Radio listening buoy |
FR1005524A (fr) * | 1947-08-01 | 1952-04-11 | Perfectionnements apportés aux bouées flottantes de repérage, notamment aux bouées de repérage et de détection des bancs de poissons | |
FR1240790A (fr) * | 1958-10-23 | 1960-09-09 | Dispositif de navigation pour avions |
Also Published As
Publication number | Publication date |
---|---|
FR2211660B1 (xx) | 1977-08-26 |
NL7209602A (xx) | 1974-03-25 |
IT966656B (it) | 1974-02-20 |
GB1360345A (en) | 1974-07-17 |
DE2137074A1 (de) | 1974-05-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |