FR2012900B1 - - Google Patents
Info
- Publication number
- FR2012900B1 FR2012900B1 FR6923869A FR6923869A FR2012900B1 FR 2012900 B1 FR2012900 B1 FR 2012900B1 FR 6923869 A FR6923869 A FR 6923869A FR 6923869 A FR6923869 A FR 6923869A FR 2012900 B1 FR2012900 B1 FR 2012900B1
- 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.)
- Expired
Links
Classifications
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- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/8083—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems determining direction of source
-
- 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
- G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
- G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
- G01S3/802—Systems for determining direction or deviation from predetermined direction
- G01S3/809—Rotating or oscillating beam systems using continuous analysis of received signal for determining direction in the plane of rotation or oscillation or for determining deviation from a predetermined direction in such a plane
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681766753 DE1766753B2 (en) | 1968-07-12 | 1968-07-12 | ARRANGEMENT FOR DETERMINING THE DIRECTION OF INCIDING WATER SOUND WAVES IN A LARGE ANGLED AREA |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2012900A1 FR2012900A1 (en) | 1970-03-27 |
FR2012900B1 true FR2012900B1 (en) | 1974-05-31 |
Family
ID=5699083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6923869A Expired FR2012900B1 (en) | 1968-07-12 | 1969-07-11 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1766753B2 (en) |
FR (1) | FR2012900B1 (en) |
GB (1) | GB1269566A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2439383A1 (en) * | 1978-10-20 | 1980-05-16 | Petroles Cie Francaise | Ultrasonic measurement of angles under water - uses pairs of receivers to determine phase differences from single emitter |
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1968
- 1968-07-12 DE DE19681766753 patent/DE1766753B2/en active Granted
-
1969
- 1969-07-11 FR FR6923869A patent/FR2012900B1/fr not_active Expired
- 1969-07-11 GB GB3498869A patent/GB1269566A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1766753A1 (en) | 1972-03-23 |
GB1269566A (en) | 1972-04-06 |
DE1766753B2 (en) | 1972-11-09 |
FR2012900A1 (en) | 1970-03-27 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AR | Application made for restoration | ||
ST | Notification of lapse | ||
JD | Different final judgements |