NL52622C - - Google Patents
Info
- Publication number
- NL52622C NL52622C NL52622DA NL52622C NL 52622 C NL52622 C NL 52622C NL 52622D A NL52622D A NL 52622DA NL 52622 C NL52622 C NL 52622C
- 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)
- Transmitters (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL488021X | 1936-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL52622C true NL52622C (en:Method) |
Family
ID=19786651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL52622D NL52622C (en:Method) | 1936-05-14 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE728539C (en:Method) |
| FR (1) | FR821845A (en:Method) |
| GB (1) | GB488021A (en:Method) |
| NL (1) | NL52622C (en:Method) |
-
0
- NL NL52622D patent/NL52622C/xx active
-
1937
- 1937-05-11 GB GB10423/38A patent/GB488021A/en not_active Expired
- 1937-05-12 DE DEP78789D patent/DE728539C/de not_active Expired
- 1937-05-13 FR FR821845D patent/FR821845A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE728539C (de) | 1942-11-28 |
| FR821845A (fr) | 1937-12-14 |
| GB488021A (en) | 1938-06-29 |