NL42281C - - Google Patents
Info
- Publication number
- NL42281C NL42281C NL42281DA NL42281C NL 42281 C NL42281 C NL 42281C NL 42281D A NL42281D A NL 42281DA NL 42281 C NL42281 C NL 42281C
- 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 |
|---|---|---|---|
| DE2101436X | 1933-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL42281C true NL42281C (xx) |
Family
ID=7984979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL42281D NL42281C (xx) | 1933-07-26 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2101436A (xx) |
| FR (1) | FR775029A (xx) |
| NL (1) | NL42281C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3409890A (en) * | 1966-12-28 | 1968-11-05 | Univ Sydney | Landing system for aircraft |
-
0
- NL NL42281D patent/NL42281C/xx active
-
1934
- 1934-06-25 FR FR775029D patent/FR775029A/fr not_active Expired
- 1934-07-26 US US737010A patent/US2101436A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| FR775029A (fr) | 1934-12-18 |
| US2101436A (en) | 1937-12-07 |