NL54087C - - Google Patents
Info
- Publication number
- NL54087C NL54087C NL54087DA NL54087C NL 54087 C NL54087 C NL 54087C NL 54087D A NL54087D A NL 54087DA NL 54087 C NL54087 C NL 54087C
- 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 |
|---|---|---|---|
| DE212232X | 1938-09-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL54087C true NL54087C (enrdf_load_html_response) |
Family
ID=5806979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL54087D NL54087C (enrdf_load_html_response) | 1938-09-03 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH212232A (enrdf_load_html_response) |
| FR (1) | FR859456A (enrdf_load_html_response) |
| NL (1) | NL54087C (enrdf_load_html_response) |
-
0
- NL NL54087D patent/NL54087C/xx active
-
1939
- 1939-08-11 CH CH212232D patent/CH212232A/de unknown
- 1939-08-24 FR FR859456D patent/FR859456A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR859456A (fr) | 1940-12-19 |
| CH212232A (de) | 1940-11-15 |