NL53117C - - Google Patents
Info
- Publication number
- NL53117C NL53117C NL53117DA NL53117C NL 53117 C NL53117 C NL 53117C NL 53117D A NL53117D A NL 53117DA NL 53117 C NL53117 C NL 53117C
- 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
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL571239X | 1939-06-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL53117C true NL53117C (de) |
Family
ID=19787505
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL53117D NL53117C (de) | 1939-06-23 | ||
| NL94008D NL94008B (de) | 1939-06-23 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL94008D NL94008B (de) | 1939-06-23 |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE895790C (de) |
| FR (1) | FR870145A (de) |
| GB (1) | GB571239A (de) |
| NL (2) | NL94008B (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3351941A (en) * | 1949-10-06 | 1967-11-07 | Robert M Page | Radio way-following system |
-
0
- NL NL53117D patent/NL53117C/xx active
- NL NL94008D patent/NL94008B/xx unknown
-
1940
- 1940-06-20 GB GB10635/40A patent/GB571239A/en not_active Expired
- 1940-11-14 DE DES19950D patent/DE895790C/de not_active Expired
-
1941
- 1941-02-18 FR FR870145D patent/FR870145A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB571239A (en) | 1945-08-14 |
| FR870145A (fr) | 1942-03-03 |
| DE895790C (de) | 1953-11-05 |
| NL94008B (de) |