NL42433C - - Google Patents
Info
- Publication number
- NL42433C NL42433C NL77060A NL77060A NL42433C NL 42433 C NL42433 C NL 42433C NL 77060 A NL77060 A NL 77060A NL 77060 A NL77060 A NL 77060A NL 42433 C NL42433 C NL 42433C
- 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 |
|---|---|---|---|
| DEL87790D DE639458C (en) | 1935-03-26 | 1935-03-26 | Target bearing method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL42433C true NL42433C (en) | 1938-01-15 |
Family
ID=6538794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL77060A NL42433C (en) | 1935-03-26 | 1936-03-20 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2117848A (en) |
| DE (1) | DE639458C (en) |
| FR (1) | FR803767A (en) |
| GB (1) | GB453565A (en) |
| NL (1) | NL42433C (en) |
-
1935
- 1935-03-26 DE DEL87790D patent/DE639458C/en not_active Expired
-
1936
- 1936-03-20 NL NL77060A patent/NL42433C/xx active
- 1936-03-24 FR FR803767D patent/FR803767A/en not_active Expired
- 1936-03-25 US US70790A patent/US2117848A/en not_active Expired - Lifetime
- 1936-03-26 GB GB9008/36A patent/GB453565A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2117848A (en) | 1938-05-17 |
| DE639458C (en) | 1936-12-05 |
| FR803767A (en) | 1936-10-08 |
| GB453565A (en) | 1936-09-14 |