NL53397C - - Google Patents
Info
- Publication number
- NL53397C NL53397C NL53397DA NL53397C NL 53397 C NL53397 C NL 53397C NL 53397D A NL53397D A NL 53397DA NL 53397 C NL53397 C NL 53397C
- 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 |
---|---|---|---|
DE849730X | 1938-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL53397C true NL53397C (en) |
Family
ID=6775931
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL53397D NL53397C (en) | 1938-02-04 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR849730A (en) |
NL (1) | NL53397C (en) |
-
0
- NL NL53397D patent/NL53397C/xx active
-
1939
- 1939-02-01 FR FR849730D patent/FR849730A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR849730A (en) | 1939-11-30 |