NL49009C - - Google Patents
Info
- Publication number
- NL49009C NL49009C NL49009DA NL49009C NL 49009 C NL49009 C NL 49009C NL 49009D A NL49009D A NL 49009DA NL 49009 C NL49009 C NL 49009C
- 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)
- Mobile Radio Communication Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR823436T | 1936-10-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL49009C true NL49009C (https=) |
Family
ID=9281367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL49009D NL49009C (https=) | 1936-10-01 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2182118A (https=) |
| FR (1) | FR823436A (https=) |
| GB (1) | GB482102A (https=) |
| NL (1) | NL49009C (https=) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2539594A (en) * | 1948-07-17 | 1951-01-30 | Robert H Rines | System and method of communication |
-
0
- NL NL49009D patent/NL49009C/xx active
-
1936
- 1936-10-01 FR FR823436D patent/FR823436A/fr not_active Expired
-
1937
- 1937-07-30 GB GB21187/37A patent/GB482102A/en not_active Expired
- 1937-08-25 US US160837A patent/US2182118A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| GB482102A (en) | 1938-03-23 |
| US2182118A (en) | 1939-12-05 |
| FR823436A (fr) | 1938-01-20 |