NL49666C - - Google Patents
Info
- Publication number
- NL49666C NL49666C NL49666DA NL49666C NL 49666 C NL49666 C NL 49666C NL 49666D A NL49666D A NL 49666DA NL 49666 C NL49666 C NL 49666C
- 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 |
---|---|---|---|
FR828947T | 1937-11-09 |
Publications (1)
Publication Number | Publication Date |
---|---|
NL49666C true NL49666C (zh) |
Family
ID=9283982
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL49666D NL49666C (zh) | 1937-11-09 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR828947A (zh) |
NL (1) | NL49666C (zh) |
-
0
- NL NL49666D patent/NL49666C/xx active
-
1937
- 1937-11-09 FR FR828947D patent/FR828947A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR828947A (fr) | 1938-06-03 |