NL57670C - - Google Patents
Info
- Publication number
- NL57670C NL57670C NL57670DA NL57670C NL 57670 C NL57670 C NL 57670C NL 57670D A NL57670D A NL 57670DA NL 57670 C NL57670 C NL 57670C
- 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)
- Coils Of Transformers For General Uses (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE216332X | 1937-07-03 | ||
| CH204895T | 1938-06-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL57670C true NL57670C (xx) |
Family
ID=25724100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL57670D NL57670C (xx) | 1937-07-03 |
Country Status (2)
| Country | Link |
|---|---|
| CH (1) | CH216332A (xx) |
| NL (1) | NL57670C (xx) |
-
0
- NL NL57670D patent/NL57670C/xx active
-
1938
- 1938-06-29 CH CH216332D patent/CH216332A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH216332A (de) | 1941-08-15 |