NL53425C - - Google Patents
Info
- Publication number
- NL53425C NL53425C NL53425DA NL53425C NL 53425 C NL53425 C NL 53425C NL 53425D A NL53425D A NL 53425DA NL 53425 C NL53425 C NL 53425C
- 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 |
|---|---|---|---|
| DE212231X | 1938-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53425C true NL53425C (enEXAMPLES) |
Family
ID=5806971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL53425D NL53425C (enEXAMPLES) | 1938-07-14 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH212231A (enEXAMPLES) |
| FR (1) | FR857062A (enEXAMPLES) |
| NL (1) | NL53425C (enEXAMPLES) |
-
0
- FR FR857062D patent/FR857062A/fr not_active Expired
- NL NL53425D patent/NL53425C/xx active
-
1939
- 1939-06-16 CH CH212231D patent/CH212231A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| FR857062A (enEXAMPLES) | 1940-08-27 |
| CH212231A (de) | 1940-11-15 |