BE444455A - - Google Patents
Info
- Publication number
- BE444455A BE444455A BE444455DA BE444455A BE 444455 A BE444455 A BE 444455A BE 444455D A BE444455D A BE 444455DA BE 444455 A BE444455 A BE 444455A
- 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
- G01S3/04—Details
- G01S3/08—Means for reducing polarisation errors, e.g. by use of Adcock or spaced loop antenna systems
-
- 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 |
|---|---|---|---|
| DE223092X | 1940-10-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE444455A true BE444455A (de) |
Family
ID=5848657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE444455D BE444455A (de) | 1940-10-10 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE444455A (de) |
| CH (1) | CH223092A (de) |
| FR (1) | FR879494A (de) |
-
0
- BE BE444455D patent/BE444455A/xx unknown
-
1941
- 1941-12-30 CH CH223092D patent/CH223092A/de unknown
-
1942
- 1942-02-19 FR FR879494D patent/FR879494A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR879494A (fr) | 1943-02-24 |
| CH223092A (de) | 1942-08-31 |