BE476746A - - Google Patents
Info
- Publication number
- BE476746A BE476746A BE476746DA BE476746A BE 476746 A BE476746 A BE 476746A BE 476746D A BE476746D A BE 476746DA BE 476746 A BE476746 A BE 476746A
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US316728A US2302102A (en) | 1940-02-01 | 1940-02-01 | Four course radio beacon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE476746A true BE476746A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=23230385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE476746D BE476746A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1940-02-01 |
Country Status (3)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2564703A (en) * | 1947-10-29 | 1951-08-21 | Sperry Corp | Omni-azimuth guidance system |
| US2572041A (en) * | 1947-10-29 | 1951-10-23 | Sperry Corp | Selective azimuth signaling system |
| US2527570A (en) * | 1947-12-01 | 1950-10-31 | Int Standard Electric Corp | Glide path system |
-
0
- BE BE476746D patent/BE476746A/xx unknown
-
1940
- 1940-02-01 US US316728A patent/US2302102A/en not_active Expired - Lifetime
-
1947
- 1947-02-04 FR FR941391D patent/FR941391A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2302102A (en) | 1942-11-17 |
| FR941391A (fr) | 1949-01-10 |