NL63638C - - Google Patents
Info
- Publication number
- NL63638C NL63638C NL63638DA NL63638C NL 63638 C NL63638 C NL 63638C NL 63638D A NL63638D A NL 63638DA NL 63638 C NL63638 C NL 63638C
- 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 |
|---|---|---|---|
| US861591XA | 1938-11-16 | 1938-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL63638C true NL63638C (fr) |
Family
ID=22196671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL63638D NL63638C (fr) | 1938-11-16 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR861591A (fr) |
| NL (1) | NL63638C (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR923688A (fr) * | 1946-02-13 | 1947-07-15 | Radio Electr Soc Fr | Perfectionnements aux radio-altimètres |
-
0
- NL NL63638D patent/NL63638C/xx active
-
1939
- 1939-11-13 FR FR861591D patent/FR861591A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR861591A (fr) | 1941-02-12 |