BE474224A - - Google Patents
Info
- Publication number
- BE474224A BE474224A BE474224DA BE474224A BE 474224 A BE474224 A BE 474224A BE 474224D A BE474224D A BE 474224DA BE 474224 A BE474224 A BE 474224A
- 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)
- Transmitters (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR902646T | 1943-10-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474224A true BE474224A (fr) |
Family
ID=9404311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474224D BE474224A (fr) | 1943-10-15 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2540414A (fr) |
| BE (1) | BE474224A (fr) |
| FR (1) | FR902646A (fr) |
| NL (1) | NL66405C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020018716A1 (fr) * | 2018-07-17 | 2020-01-23 | California Institute Of Technology | Architecture de réseau d'émetteurs-récepteurs non réciproques ayant un seul élément non réciproque |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR630248A (fr) * | 1926-05-21 | 1927-11-25 | Ondes Dirigees Sa Des | Procédé de repérage |
| US2107155A (en) * | 1935-07-27 | 1938-02-01 | Bell Telephone Labor Inc | Radio directional indicator |
| GB504744A (en) * | 1937-10-29 | 1939-05-01 | Marconi Wireless Telegraph Co | Improvements in or relating to navigation aiding radio transmitters |
| US2367372A (en) * | 1941-01-04 | 1945-01-16 | Rca Corp | Radio directional indication system |
| BE478014A (fr) * | 1942-07-01 | |||
| USRE23050E (en) * | 1944-03-02 | 1948-11-23 | Radio beacon |
-
0
- NL NL66405D patent/NL66405C/xx active
- BE BE474224D patent/BE474224A/xx unknown
-
1943
- 1943-10-15 FR FR902646D patent/FR902646A/fr not_active Expired
-
1947
- 1947-07-01 US US758335A patent/US2540414A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR902646A (fr) | 1945-09-05 |
| US2540414A (en) | 1951-02-06 |
| NL66405C (fr) |