FR2276597B1 - - Google Patents
Info
- Publication number
- FR2276597B1 FR2276597B1 FR7422427A FR7422427A FR2276597B1 FR 2276597 B1 FR2276597 B1 FR 2276597B1 FR 7422427 A FR7422427 A FR 7422427A FR 7422427 A FR7422427 A FR 7422427A FR 2276597 B1 FR2276597 B1 FR 2276597B1
- 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
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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
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/52—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S15/00
- G01S7/52003—Techniques for enhancing spatial resolution of targets
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7422427A FR2276597A1 (fr) | 1974-06-27 | 1974-06-27 | Dispositif de mesure fine de gisement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7422427A FR2276597A1 (fr) | 1974-06-27 | 1974-06-27 | Dispositif de mesure fine de gisement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2276597A1 FR2276597A1 (fr) | 1976-01-23 |
| FR2276597B1 true FR2276597B1 (US07935154-20110503-C00006.png) | 1976-12-24 |
Family
ID=9140594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7422427A Granted FR2276597A1 (fr) | 1974-06-27 | 1974-06-27 | Dispositif de mesure fine de gisement |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2276597A1 (US07935154-20110503-C00006.png) |
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1974
- 1974-06-27 FR FR7422427A patent/FR2276597A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2276597A1 (fr) | 1976-01-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |