NL55627C - - Google Patents
Info
- Publication number
- NL55627C NL55627C NL55627DA NL55627C NL 55627 C NL55627 C NL 55627C NL 55627D A NL55627D A NL 55627DA NL 55627 C NL55627 C NL 55627C
- 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)
- Aerials With Secondary Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE204547X | 1937-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL55627C true NL55627C (en) |
Family
ID=5782432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL55627D NL55627C (en) | 1937-05-25 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2238261A (en) |
| CH (1) | CH204547A (en) |
| FR (1) | FR838403A (en) |
| GB (1) | GB502302A (en) |
| NL (1) | NL55627C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2761134A (en) * | 1952-01-18 | 1956-08-28 | Bendix Aviat Corp | Means for operating antennas |
-
0
- NL NL55627D patent/NL55627C/xx active
-
1938
- 1938-05-21 CH CH204547D patent/CH204547A/en unknown
- 1938-05-24 GB GB15476/38A patent/GB502302A/en not_active Expired
- 1938-05-24 FR FR838403D patent/FR838403A/en not_active Expired
- 1938-05-25 US US209973A patent/US2238261A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB502302A (en) | 1939-03-15 |
| FR838403A (en) | 1939-03-06 |
| CH204547A (en) | 1939-05-15 |
| US2238261A (en) | 1941-04-15 |