BE406833A - - Google Patents
Info
- Publication number
- BE406833A BE406833A BE406833DA BE406833A BE 406833 A BE406833 A BE 406833A BE 406833D A BE406833D A BE 406833DA BE 406833 A BE406833 A BE 406833A
- 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
- G01S1/72—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 ultrasonic, sonic or infrasonic 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)
- A Measuring Device Byusing Mechanical Method (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3698934A GB449610A (en) | 1934-12-24 | 1934-12-24 | Method and apparatus for determining the course of aircraft by means of the acoustically measured elevation and azimuth of the aircraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE406833A true BE406833A (en) |
Family
ID=10392817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE406833D BE406833A (en) | 1934-12-24 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE406833A (en) |
| GB (1) | GB449610A (en) |
-
0
- BE BE406833D patent/BE406833A/xx unknown
-
1934
- 1934-12-24 GB GB3698934A patent/GB449610A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB449610A (en) | 1936-06-24 |