BE405522A - - Google Patents
Info
- Publication number
- BE405522A BE405522A BE405522DA BE405522A BE 405522 A BE405522 A BE 405522A BE 405522D A BE405522D A BE 405522DA BE 405522 A BE405522 A BE 405522A
- 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
- G01S3/12—Means for determining sense of direction, e.g. by combining signals from directional antenna or goniometer search coil with those from non-directional antenna
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61G—COUPLINGS; DRAUGHT AND BUFFING APPLIANCES
- B61G5/00—Couplings for special purposes not otherwise provided for
- B61G5/02—Couplings for special purposes not otherwise provided for for coupling articulated trains, locomotives and tenders or the bogies of a vehicle; Coupling by means of a single coupling bar; Couplings preventing or limiting relative lateral movement of vehicles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US404998A US2313047A (en) | 1941-08-01 | 1941-08-01 | Direction finding system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE405522A true BE405522A (US07655688-20100202-C00086.png) |
Family
ID=23601886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE405522D BE405522A (US07655688-20100202-C00086.png) | 1941-08-01 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2313047A (US07655688-20100202-C00086.png) |
| BE (1) | BE405522A (US07655688-20100202-C00086.png) |
| FR (1) | FR941227A (US07655688-20100202-C00086.png) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL69482C (US07655688-20100202-C00086.png) * | 1942-12-11 |
-
0
- BE BE405522D patent/BE405522A/xx unknown
-
1941
- 1941-08-01 US US404998A patent/US2313047A/en not_active Expired - Lifetime
-
1946
- 1946-03-27 FR FR941227D patent/FR941227A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR941227A (fr) | 1949-01-05 |
| US2313047A (en) | 1943-03-09 |
