FR34488E - - Google Patents
Info
- Publication number
- FR34488E FR34488E FR34488DA FR34488E FR 34488 E FR34488 E FR 34488E FR 34488D A FR34488D A FR 34488DA FR 34488 E FR34488 E FR 34488E
- 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
-
- 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
- G01S3/143—Systems for determining direction or deviation from predetermined direction by vectorial combination of signals derived from differently oriented antennae
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR648804T | 1927-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR34488E true FR34488E (nl) | 1929-06-19 |
Family
ID=9002888
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR34488D Expired FR34488E (nl) | 1927-03-16 | ||
| FR648804D Expired FR648804A (fr) | 1927-03-16 | 1927-03-16 | Indicateur électrique, simple et double, d'angle de direction d'ondes électriques ou transformables en électricité |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR648804D Expired FR648804A (fr) | 1927-03-16 | 1927-03-16 | Indicateur électrique, simple et double, d'angle de direction d'ondes électriques ou transformables en électricité |
Country Status (1)
| Country | Link |
|---|---|
| FR (2) | FR648804A (nl) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE872581C (de) * | 1939-10-16 | 1953-04-02 | Saba Gmbh | Verfahren und Einrichtung zur Peilung elektromagnetischer Wellen, insbesondere von Radiowellen |
-
0
- FR FR34488D patent/FR34488E/fr not_active Expired
-
1927
- 1927-03-16 FR FR648804D patent/FR648804A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE872581C (de) * | 1939-10-16 | 1953-04-02 | Saba Gmbh | Verfahren und Einrichtung zur Peilung elektromagnetischer Wellen, insbesondere von Radiowellen |
Also Published As
| Publication number | Publication date |
|---|---|
| FR648804A (fr) | 1928-12-14 |