BE473178A - - Google Patents
Info
- Publication number
- BE473178A BE473178A BE473178DA BE473178A BE 473178 A BE473178 A BE 473178A BE 473178D A BE473178D A BE 473178DA BE 473178 A BE473178 A BE 473178A
- 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)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Traffic Control Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US542118A US2397531A (en) | 1944-06-26 | 1944-06-26 | Radio beacon system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473178A true BE473178A (fr) |
Family
ID=24162415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473178D BE473178A (fr) | 1944-06-26 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2397531A (fr) |
| BE (1) | BE473178A (fr) |
| FR (1) | FR951328A (fr) |
| GB (1) | GB622997A (fr) |
| NL (1) | NL136963C (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2610321A (en) * | 1948-02-28 | 1952-09-09 | Int Standard Electric Corp | Glide path antenna |
| US2539500A (en) * | 1948-02-28 | 1951-01-30 | Int Standard Electric Corp | Glide path and localizer system |
-
0
- NL NL136963D patent/NL136963C/xx active
- BE BE473178D patent/BE473178A/xx unknown
-
1944
- 1944-06-26 US US542118A patent/US2397531A/en not_active Expired - Lifetime
-
1945
- 1945-05-11 GB GB11940/45A patent/GB622997A/en not_active Expired
-
1947
- 1947-08-06 FR FR951328D patent/FR951328A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR951328A (fr) | 1949-10-21 |
| NL136963C (fr) | |
| GB622997A (en) | 1949-05-11 |
| US2397531A (en) | 1946-04-02 |