BE427354A - - Google Patents
Info
- Publication number
- BE427354A BE427354A BE427354DA BE427354A BE 427354 A BE427354 A BE 427354A BE 427354D A BE427354D A BE 427354DA BE 427354 A BE427354 A BE 427354A
- 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)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR704875X | 1937-05-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE427354A true BE427354A (en:Method) |
Family
ID=9066848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427354D BE427354A (en:Method) | 1937-05-21 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2206644A (en:Method) |
| BE (1) | BE427354A (en:Method) |
| CH (1) | CH207741A (en:Method) |
| DE (1) | DE704875C (en:Method) |
| FR (1) | FR832861A (en:Method) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2500552A (en) * | 1942-08-13 | 1950-03-14 | Rca Corp | Electronic indicator system for radar with spinning antenna or the like |
| US2509230A (en) * | 1946-02-28 | 1950-05-30 | Standard Telephones Cables Ltd | Beacon system |
| US2525815A (en) * | 1947-03-20 | 1950-10-17 | Raymond G Lloyd | System of radio aids for aerial navigation |
| US2632108A (en) * | 1949-07-28 | 1953-03-17 | Rca Corp | Diplexer arrangement |
| DE963073C (de) * | 1952-05-14 | 1957-05-02 | Sperry Rand Corp | Blindlandeeinrichtung in Flugzeugen zur selbsttaetigen Steuerung laengs einer durch Bodenfunkeinrichtungen nach dem Leitstrahlprinzip festgelegten Anflugbahn |
-
0
- BE BE427354D patent/BE427354A/xx unknown
-
1937
- 1937-05-21 FR FR832861D patent/FR832861A/fr not_active Expired
-
1938
- 1938-04-13 CH CH207741D patent/CH207741A/fr unknown
- 1938-04-30 US US205247A patent/US2206644A/en not_active Expired - Lifetime
- 1938-05-21 DE DEC54008D patent/DE704875C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR832861A (fr) | 1938-10-04 |
| CH207741A (fr) | 1939-11-30 |
| DE704875C (de) | 1941-04-09 |
| US2206644A (en) | 1940-07-02 |