NL136250B - - Google Patents
Info
- Publication number
- NL136250B NL136250B NL136250DA NL136250B NL 136250 B NL136250 B NL 136250B NL 136250D A NL136250D A NL 136250DA NL 136250 B NL136250 B NL 136250B
- 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)
- Details Of Aerials (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US423252A US2367177A (en) | 1941-12-17 | 1941-12-17 | Radio beacon with quadrant identification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL136250B true NL136250B (xx) |
Family
ID=23678195
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL136250D NL136250B (xx) | 1941-12-17 | ||
| NL67853D NL67853C (xx) | 1941-12-17 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67853D NL67853C (xx) | 1941-12-17 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2367177A (xx) |
| BE (1) | BE465286A (xx) |
| CH (1) | CH258623A (xx) |
| FR (1) | FR970201A (xx) |
| GB (1) | GB560364A (xx) |
| NL (2) | NL67853C (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11767127B2 (en) | 2019-10-27 | 2023-09-26 | Francesco DeAngelis | Automated aviator recognition system and method for recognizing an aviator |
-
0
- NL NL136250D patent/NL136250B/xx unknown
- BE BE465286D patent/BE465286A/xx unknown
- NL NL67853D patent/NL67853C/xx active
-
1941
- 1941-12-17 US US423252A patent/US2367177A/en not_active Expired - Lifetime
-
1942
- 1942-12-11 GB GB17652/42A patent/GB560364A/en not_active Expired
-
1946
- 1946-04-01 FR FR970201D patent/FR970201A/fr not_active Expired
-
1947
- 1947-02-17 CH CH258623D patent/CH258623A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BE465286A (xx) | |
| FR970201A (fr) | 1951-01-02 |
| GB560364A (en) | 1944-03-31 |
| CH258623A (de) | 1948-12-15 |
| NL67853C (xx) | |
| US2367177A (en) | 1945-01-16 |