FR2144568A1 - - Google Patents
Info
- Publication number
- FR2144568A1 FR2144568A1 FR7124628A FR7124628A FR2144568A1 FR 2144568 A1 FR2144568 A1 FR 2144568A1 FR 7124628 A FR7124628 A FR 7124628A FR 7124628 A FR7124628 A FR 7124628A FR 2144568 A1 FR2144568 A1 FR 2144568A1
- 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
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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
- G01S3/02—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 radio waves
- G01S3/14—Systems for determining direction or deviation from predetermined direction
- G01S3/46—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
- G01S3/48—Systems for determining direction or deviation from predetermined direction using antennas spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems the waves arriving at the antennas being continuous or intermittent and the phase difference of signals derived therefrom being measured
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R25/00—Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measuring Phase Differences (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712133000 DE2133000A1 (de) | 1971-07-02 | 1971-07-02 | Breitbandiges phasenmessystem fuer mikrowellenimpulse |
| FR7124628A FR2144568B1 (en:Method) | 1971-07-02 | 1971-07-06 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712133000 DE2133000A1 (de) | 1971-07-02 | 1971-07-02 | Breitbandiges phasenmessystem fuer mikrowellenimpulse |
| FR7124628A FR2144568B1 (en:Method) | 1971-07-02 | 1971-07-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2144568A1 true FR2144568A1 (en:Method) | 1973-02-16 |
| FR2144568B1 FR2144568B1 (en:Method) | 1976-09-03 |
Family
ID=25761362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7124628A Expired FR2144568B1 (en:Method) | 1971-07-02 | 1971-07-06 |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2133000A1 (en:Method) |
| FR (1) | FR2144568B1 (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2064257B (en) * | 1978-10-13 | 1983-03-09 | Marconi Co Ltd | Radio direction finders |
-
1971
- 1971-07-02 DE DE19712133000 patent/DE2133000A1/de active Pending
- 1971-07-06 FR FR7124628A patent/FR2144568B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2144568B1 (en:Method) | 1976-09-03 |
| DE2133000A1 (de) | 1973-01-18 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |