BE505789A - - Google Patents
Info
- Publication number
- BE505789A BE505789A BE505789DA BE505789A BE 505789 A BE505789 A BE 505789A BE 505789D A BE505789D A BE 505789DA BE 505789 A BE505789 A BE 505789A
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR688814X | 1950-09-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE505789A true BE505789A (xx) |
Family
ID=9026935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE505789D BE505789A (xx) | 1950-09-13 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2657381A (xx) |
| BE (1) | BE505789A (xx) |
| DE (1) | DE897271C (xx) |
| GB (1) | GB688814A (xx) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2379442A (en) * | 1942-05-11 | 1945-07-03 | Fed Telephone & Radio Corp | Instrument landing guide system |
| US2406876A (en) * | 1942-05-29 | 1946-09-03 | Standard Telephones Cables Ltd | Instrument navigation system |
-
0
- BE BE505789D patent/BE505789A/xx unknown
-
1951
- 1951-08-31 GB GB20601/51A patent/GB688814A/en not_active Expired
- 1951-09-12 DE DEI4599A patent/DE897271C/de not_active Expired
- 1951-09-12 US US246202A patent/US2657381A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB688814A (en) | 1953-03-11 |
| DE897271C (de) | 1953-11-19 |
| US2657381A (en) | 1953-10-27 |