BE423439A - - Google Patents
Info
- Publication number
- BE423439A BE423439A BE423439DA BE423439A BE 423439 A BE423439 A BE 423439A BE 423439D A BE423439D A BE 423439DA BE 423439 A BE423439 A BE 423439A
- Authority
- BE
- Belgium
- Prior art keywords
- vertical axis
- horns
- transmission members
- transmission
- horizontal
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000010348 incorporation Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 210000000056 organ Anatomy 0.000 description 2
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)
- Adornments (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE423439A true BE423439A (enExample) |
Family
ID=84892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE423439D BE423439A (enExample) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE423439A (enExample) |
-
0
- BE BE423439D patent/BE423439A/fr unknown
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