BE469705A - - Google Patents
Info
- Publication number
- BE469705A BE469705A BE469705DA BE469705A BE 469705 A BE469705 A BE 469705A BE 469705D A BE469705D A BE 469705DA BE 469705 A BE469705 A BE 469705A
- Authority
- BE
- Belgium
- Prior art keywords
- wavelengths
- waves
- apply
- frequencies
- signals
- Prior art date
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)
- Superheterodyne Receivers (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE469705A true BE469705A (OSRAM) |
Family
ID=120080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE469705D BE469705A (OSRAM) |
Country Status (1)
| Country | Link |
|---|---|
| BE (1) | BE469705A (OSRAM) |
-
0
- BE BE469705D patent/BE469705A/fr unknown
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