BE473137A - - Google Patents
Info
- Publication number
- BE473137A BE473137A BE473137DA BE473137A BE 473137 A BE473137 A BE 473137A BE 473137D A BE473137D A BE 473137DA BE 473137 A BE473137 A BE 473137A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
-
- 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 |
|---|---|---|---|
| US442069A US2373090A (en) | 1942-05-07 | 1942-05-07 | Glide path beacon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473137A true BE473137A (el) |
Family
ID=23755418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473137D BE473137A (el) | 1942-05-07 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2373090A (el) |
| BE (1) | BE473137A (el) |
| CH (1) | CH263315A (el) |
| DE (1) | DE914506C (el) |
| FR (1) | FR924914A (el) |
| GB (1) | GB590491A (el) |
| NL (1) | NL80750C (el) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2422076A (en) * | 1943-07-28 | 1947-06-10 | Rca Corp | Antenna system |
| US2597026A (en) * | 1946-12-19 | 1952-05-20 | Paul B Patton | Heated drum for warm air furnaces |
| 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 |
| DE1005578B (de) * | 1953-01-13 | 1957-04-04 | Int Standard Electric Corp | Gleitwegeinrichtung fuer Blindlandeverfahren |
| US3277482A (en) * | 1963-12-16 | 1966-10-04 | Acf Ind Inc | Navigation or position locating system transmitting carrier and side band waves separately from spaced radiators |
| US3409890A (en) * | 1966-12-28 | 1968-11-05 | Univ Sydney | Landing system for aircraft |
-
0
- BE BE473137D patent/BE473137A/xx unknown
- NL NL80750D patent/NL80750C/xx active
-
1942
- 1942-05-07 US US442069A patent/US2373090A/en not_active Expired - Lifetime
-
1944
- 1944-11-16 GB GB22765/44A patent/GB590491A/en not_active Expired
-
1945
- 1945-12-20 FR FR924914D patent/FR924914A/fr not_active Expired
-
1947
- 1947-05-17 CH CH263315D patent/CH263315A/de unknown
-
1950
- 1950-10-01 DE DEF4302A patent/DE914506C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE914506C (de) | 1954-07-05 |
| NL80750C (el) | |
| CH263315A (de) | 1949-08-31 |
| US2373090A (en) | 1945-04-10 |
| GB590491A (en) | 1947-07-18 |
| FR924914A (fr) | 1947-08-20 |