BE441653A - - Google Patents
Info
- Publication number
- BE441653A BE441653A BE441653DA BE441653A BE 441653 A BE441653 A BE 441653A BE 441653D A BE441653D A BE 441653DA BE 441653 A BE441653 A BE 441653A
- Authority
- BE
- Belgium
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
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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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2931539A GB536178A (en) | 1939-11-03 | 1939-11-03 | Improvements in or relating to radio compasses and radio direction finding systems |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE441653A true BE441653A (US06265458-20010724-C00018.png) |
Family
ID=10289592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE441653D BE441653A (US06265458-20010724-C00018.png) | 1939-11-03 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE441653A (US06265458-20010724-C00018.png) |
| FR (1) | FR867846A (US06265458-20010724-C00018.png) |
| GB (1) | GB536178A (US06265458-20010724-C00018.png) |
-
0
- BE BE441653D patent/BE441653A/xx unknown
-
1939
- 1939-11-03 GB GB2931539A patent/GB536178A/en not_active Expired
-
1940
- 1940-11-29 FR FR867846D patent/FR867846A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR867846A (fr) | 1941-11-29 |
| GB536178A (en) | 1941-05-06 |
