BE472666A - - Google Patents
Info
- Publication number
- BE472666A BE472666A BE472666DA BE472666A BE 472666 A BE472666 A BE 472666A BE 472666D A BE472666D A BE 472666DA BE 472666 A BE472666 A BE 472666A
- 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
- 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)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB71/41A GB546970A (en) | 1941-01-02 | 1941-01-02 | Improvements in or relating to radio systems for landing aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472666A true BE472666A (en:Method) |
Family
ID=9697889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472666D BE472666A (en:Method) | 1941-01-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2344070A (en:Method) |
| BE (1) | BE472666A (en:Method) |
| FR (1) | FR932833A (en:Method) |
| GB (1) | GB546970A (en:Method) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2602161A (en) * | 1947-01-25 | 1952-07-01 | Sperry Corp | Modulation system for craft guidance |
| US3381294A (en) * | 1965-09-02 | 1968-04-30 | R.W. Hodgson | Apparatus and method for physically defining an instrument-perceptible spacial location |
-
0
- BE BE472666D patent/BE472666A/xx unknown
-
1941
- 1941-01-02 GB GB71/41A patent/GB546970A/en not_active Expired
-
1942
- 1942-04-09 US US438297A patent/US2344070A/en not_active Expired - Lifetime
-
1946
- 1946-08-27 FR FR932833D patent/FR932833A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2344070A (en) | 1944-03-14 |
| FR932833A (fr) | 1948-04-02 |
| GB546970A (en) | 1942-08-07 |