NL220877A - - Google Patents
Info
- Publication number
- NL220877A NL220877A NL220877DA NL220877A NL 220877 A NL220877 A NL 220877A NL 220877D A NL220877D A NL 220877DA NL 220877 A NL220877 A NL 220877A
- Authority
- NL
- Netherlands
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1190028T | 1957-10-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL220877A true NL220877A (en:Method) |
Family
ID=9666119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL220877D NL220877A (en:Method) | 1957-10-30 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE561042A (en:Method) |
| FR (1) | FR1190028A (en:Method) |
| NL (1) | NL220877A (en:Method) |
-
0
- NL NL220877D patent/NL220877A/xx unknown
- BE BE561042D patent/BE561042A/xx unknown
-
1957
- 1957-10-30 FR FR1190028D patent/FR1190028A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1190028A (fr) | 1959-10-08 |
| BE561042A (en:Method) |