NL58146C - - Google Patents
Info
- Publication number
- NL58146C NL58146C NL58146DA NL58146C NL 58146 C NL58146 C NL 58146C NL 58146D A NL58146D A NL 58146DA NL 58146 C NL58146 C NL 58146C
- 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)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE549958X | 1940-04-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL58146C true NL58146C (ja�@�@) |
Family
ID=20311768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL58146D NL58146C (ja�@�@) | 1940-04-10 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2309063A (ja�@�@) |
| FR (1) | FR869411A (ja�@�@) |
| GB (1) | GB549958A (ja�@�@) |
| NL (1) | NL58146C (ja�@�@) |
-
0
- NL NL58146D patent/NL58146C/xx active
-
1940
- 1940-10-29 US US363281A patent/US2309063A/en not_active Expired - Lifetime
-
1941
- 1941-01-21 FR FR869411D patent/FR869411A/fr not_active Expired
- 1941-01-31 GB GB1292/41A patent/GB549958A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR869411A (fr) | 1942-02-02 |
| US2309063A (en) | 1943-01-19 |
| GB549958A (en) | 1942-12-16 |